Question 1

India’s biggest water carnival, known as Jal Mahotsav, is organised every year on which island?

Accepted Answer

Introduction / Context: This question tests your awareness of Indian tourism initiatives and state-level festivals that promote adventure, water sports, and local culture. Jal Mahotsav is frequently highlighted in government publicity and tourism campaigns as India's biggest water carnival. Knowing its location is important for general knowledge, especially for exams related to tourism, state schemes, and cultural festivals. The key is to recall which island in India is specifically branded with this large-scale water-based festival. Given Data / Assumptions: We are dealing with India's biggest water carnival called Jal Mahotsav. The event is organised annually on a particular island. The options are Hanuwantiya Island, Havelock Island, Kadmat Island, and Munroe Island. No numerical calculations are required, only factual recall of the location. Concept / Approach: The Jal Mahotsav water carnival is organised in the state of Madhya Pradesh. It is specifically associated with Hanuwantiya Island on the backwaters of the Indira Sagar Dam on the Narmada river. The festival promotes water sports, cultural performances, eco-tourism, and adventure tourism. Other islands in the options, such as Havelock and Kadmat, are famous for tourism but are not linked to the Jal Mahotsav branding. Recognising the connection between Madhya Pradesh tourism and Hanuwantiya Island is the key to solving this question. Step-by-Step Solution: Step 1: Recall which state hosts the Jal Mahotsav water carnival. It is Madhya Pradesh. Step 2: Within Madhya Pradesh, the festival is held on an island in the Indira Sagar Dam reservoir, known as Hanuwantiya Island. Step 3: Compare this with the given options. Havelock Island is in the Andaman and Nicobar Islands, Kadmat Island is in Lakshadweep, and Munroe Island is in Kerala. Step 4: None of these other islands are associated with Jal Mahotsav publicity campaigns. Step 5: Therefore, Hanuwantiya Island matches the well-known tourism initiative for India's biggest water carnival. Verification / Alternative check: You can verify your answer by remembering promotional images and brochures of Madhya Pradesh Tourism, which often use slogans such as “The heart of incredible India” and showcase Jal Mahotsav at Hanuwantiya Island. Media coverage and government press releases also consistently identify Hanuwantiya as the venue for the country's largest water carnival, featuring activities like parasailing, jet skiing, hot air balloon rides, and cultural performances. Why Other Options Are Wrong: Havelock Island: Located in the Andaman and Nicobar Islands, famous for beaches like Radhanagar Beach, but not known for the Jal Mahotsav water carnival. Kadmat Island: Part of the Lakshadweep archipelago and popular for coral reefs and scuba diving, but not associated with this specific festival. Munroe Island: Situated in Kerala's Ashtamudi Lake region and known for backwaters, but again not linked to the Jal Mahotsav branding. Common Pitfalls: Because the name Jal Mahotsav suggests a coastal or island setting, many candidates wrongly associate it with famous sea islands like Havelock or Kadmat. However, the actual venue is an inland island in Madhya Pradesh, not an oceanic island. Another common error is to guess based on familiarity with popular beach destinations rather than the specific tourism campaign connected to Madhya Pradesh. Final Answer: India’s biggest water carnival, Jal Mahotsav, is organised every year on Hanuwantiya Island in Madhya Pradesh.

Question 2

Who heads the High-level Task Force on Public Credit Registry (PCR) constituted by the Reserve Bank of India?

Accepted Answer

Introduction / Context: This question focuses on institutional reforms in the Indian financial system, specifically the creation of a Public Credit Registry (PCR) by the Reserve Bank of India. A Public Credit Registry is a comprehensive database of credit information for borrowers, aimed at improving transparency, risk assessment, and credit discipline. Knowing who chairs important committees and task forces set up by the RBI is a common requirement in banking, financial awareness, and competitive exams. Given Data / Assumptions: The Reserve Bank of India formed a High-level Task Force on Public Credit Registry (PCR). We must identify the person who heads or chairs this task force. The options are S Venkitaraman, G. Ambegaokar, Yeshwant M. Deosthalee, and R S Gujral. No numerical calculations are needed, just correct recall of names and positions. Concept / Approach: The Public Credit Registry is envisaged as a centralised repository for all credit-related information, including data on loans, defaults, and collateral. The task force was set up to study and recommend the design and implementation details of such a registry. Yeshwant M. Deosthalee, a respected banker and former chairman of a major financial institution, was appointed as the head of this High-level Task Force. Recognising his name in connection with the PCR initiative allows you to mark the correct answer quickly. Step-by-Step Solution: Step 1: Recall that the RBI decided to create a Public Credit Registry to consolidate credit information across lenders. Step 2: A High-level Task Force was constituted to provide recommendations on architecture, data sources, and implementation. Step 3: The RBI announced that this task force would be headed by Yeshwant M. Deosthalee. Step 4: Compare this recollection with the options given in the question. Step 5: Confirm that the name Yeshwant M. Deosthalee appears as option C, making it the correct choice. Verification / Alternative check: To cross-check mentally, you can recall that the formation of the Public Credit Registry and the name of its task force chair were widely reported in financial newspapers and RBI press releases. Other names in the options may have held important posts in government or finance, but they were not specifically linked to the PCR task force. Remembering the exact association between Deosthalee and the Public Credit Registry is enough to verify that this is the correct answer. Why Other Options Are Wrong: S Venkitaraman: While he may have held important positions, he is not associated as the head of the RBI's PCR task force. G. Ambegaokar: This name appears in various administrative contexts, but not as the chair of the Public Credit Registry task force. R S Gujral: Also a respected bureaucrat, but not the person announced by RBI to head the PCR initiative. Common Pitfalls: Candidates often confuse names of committee heads when preparing for banking exams because RBI frequently sets up different committees with different chairpersons. A typical mistake is to guess a more familiar name instead of specifically linking Yeshwant M. Deosthalee with the Public Credit Registry. To avoid confusion, it helps to make a brief list of important RBI committees and their heads while preparing, reinforcing the connection through repeated revision. Final Answer: The High-level Task Force on Public Credit Registry (PCR) formed by the Reserve Bank of India is headed by Yeshwant M. Deosthalee.

Question 3

Which bank launched the turnaround initiative called Project Nishchay in partnership with the Boston Consulting Group (BCG) to improve its financial performance?

Accepted Answer

Introduction / Context: This question belongs to the area of banking awareness and corporate restructuring initiatives. Many Indian banks have launched special programmes and projects to strengthen their balance sheets, manage non-performing assets, and improve efficiency. Project Nishchay is one such notable initiative launched in collaboration with the consulting firm Boston Consulting Group (BCG). Knowing which bank undertook this project helps you track important reforms in the banking sector. Given Data / Assumptions: There is a turnaround programme called Project Nishchay. The project aims to accelerate a bank's turnaround and improve financial performance. It was launched in partnership with Boston Consulting Group (BCG). Options: HDFC Bank, IDBI Bank, HSBC, State Bank of India. Concept / Approach: Project Nishchay is associated with IDBI Bank, which historically struggled with a high level of stressed assets and needed a structured turnaround strategy. The bank enlisted BCG's help to design and implement a comprehensive plan covering business processes, risk management, and operational efficiencies. Recognising IDBI Bank as the institution linked with Project Nishchay is a key piece of current affairs knowledge for banking exams. Step-by-Step Solution: Step 1: Recall which Indian bank has been in the news for a high percentage of non-performing assets and hence needed a major turnaround programme. Step 2: Remember that Project Nishchay was explicitly mentioned in news reports as a collaboration between IDBI Bank and BCG. Step 3: Check the options: HDFC Bank and State Bank of India are strong performers and were not the primary banks associated with this specific project. Step 4: HSBC is a global bank and has its own restructuring plans but is not known to have launched Project Nishchay with BCG in the context of Indian banking reforms. Step 5: This leaves IDBI Bank as the correct answer. Verification / Alternative check: One way to verify is to mentally connect the word "Nishchay" with the notion of determination and a bank needing firm resolve to improve its financial health. IDBI Bank's recapitalisation discussions, government stake, and strategic reform plans were widely covered in Indian financial media alongside references to Project Nishchay, making this link easy to recall with practice. Why Other Options Are Wrong: HDFC Bank: A consistently profitable private sector bank, it has not been linked with Project Nishchay in collaboration with BCG. HSBC: A multinational bank headquartered outside India, not the subject of this particular Indian turnaround initiative. State Bank of India: While SBI has undertaken various internal reforms and mergers, the specific branding of Project Nishchay with BCG is associated with IDBI Bank. Common Pitfalls: A common mistake is to associate any major project with the largest or most well-known banks like SBI or HDFC Bank without carefully remembering the exact news reports. Another pitfall is confusing Project Nishchay with other bank-specific initiatives that may have similar Hindi names. To avoid this, it helps to create a concise list of bank projects and match them with the correct institutions during revision. Final Answer: The turnaround initiative Project Nishchay, launched in partnership with Boston Consulting Group (BCG), was started by IDBI Bank.

Question 4

In which year was the Reserve Bank of India (RBI) nationalised as the central bank of independent India?

Accepted Answer

Introduction / Context: This question tests your understanding of the historical development of India's central banking system. The Reserve Bank of India was originally established as a privately owned institution during the British period and was later nationalised after India gained independence. Knowing the year of nationalisation is a staple fact in banking awareness, economic history, and general studies for competitive examinations. Given Data / Assumptions: The Reserve Bank of India was originally set up before independence. It was later taken over by the Government of India through nationalisation. The options for the year of nationalisation are 1939, 1949, 1959, and 1969. No additional numerical calculations are required, only factual recall. Concept / Approach: The Reserve Bank of India commenced operations in 1935 as a private shareholders' bank under the RBI Act, 1934. After independence, to align the central bank's objectives with national economic planning and public interest, the Government of India decided to nationalise it. This nationalisation took effect on 1 January 1949, making the RBI fully owned by the Government of India. Therefore, among the given options, 1949 is the correct year to mark. Step-by-Step Solution: Step 1: Remember that RBI was established in 1935, but that is the year of its establishment, not nationalisation. Step 2: Recall that nationalisation of RBI occurred after India's independence to bring the central bank under government control. Step 3: The specific year of nationalisation is 1949, with effect from 1 January 1949. Step 4: Check the options and confirm that 1949 is offered as one of the choices. Step 5: Select 1949 as the final answer. Verification / Alternative check: You can cross-check this by remembering that another major banking nationalisation event took place later in 1969, but that one concerned 14 large commercial banks, not the RBI itself. Knowing that 1969 is associated with commercial bank nationalisation helps you eliminate option 1969 and fix 1949 for the RBI. Similarly, 1939 and 1959 do not correspond to well-known landmark changes in RBI ownership, reinforcing that 1949 is correct. Why Other Options Are Wrong: 1939: This is close to the year of establishment but does not match any major ownership change for RBI. 1959: There is no famous event of RBI nationalisation in this year. The nationalisation had already occurred in 1949. 1969: This year is associated with the nationalisation of major commercial banks, not the central bank itself. Common Pitfalls: Students sometimes confuse the establishment year (1935) and the nationalisation year (1949), or mix up RBI nationalisation with the 1969 nationalisation of commercial banks. Another common mistake is to choose 1969 simply because it is strongly associated with banking reforms, without carefully reading that the question is specifically about the Reserve Bank of India, not commercial banks. Final Answer: The Reserve Bank of India was nationalised and became a government-owned central bank in the year 1949.

Question 5

Namami Ganga Yojana is an ambitious Union Government project aimed at integrating efforts to clean and protect which major Indian river?

Accepted Answer

Introduction / Context: This question addresses flagship schemes of the Government of India focused on environmental protection and river rejuvenation. The Ganga, or Ganges, is one of the most significant rivers in India, both culturally and economically, and has long needed comprehensive efforts to address pollution and ecological stress. The Namami Ganga Yojana is a centrally funded programme that integrates multiple initiatives to clean and protect the Ganga river basin. Given Data / Assumptions: The question mentions an ambitious Union Government project that integrates efforts to clean and protect the Ganga river. We must match this description to the correct scheme name. Options include other well known schemes such as Uday Desh Ka Aam Nagrik, Urja Ganga, and Ek Bharat Shrestha Bharat, besides Namami Ganga Yojana. The task is purely conceptual and based on scheme recognition. Concept / Approach: Namami Ganga Yojana is the flagship programme specifically launched for the rejuvenation, conservation, and cleaning of the Ganga river. It brings together sewerage treatment projects, river-front development, biodiversity conservation, and public awareness activities under one umbrella. Other schemes in the options are unrelated to cleaning rivers: Uday Desh Ka Aam Nagrik focuses on regional air connectivity, Urja Ganga is about gas pipeline expansion, and Ek Bharat Shrestha Bharat promotes cultural integration among states. Step-by-Step Solution: Step 1: Identify the core goal stated in the question: cleaning and protecting the Ganga river in a comprehensive manner. Step 2: Recall major government schemes. Namami Ganga Yojana is widely known as the river cleaning and rejuvenation programme. Step 3: Examine the other scheme names in the options to confirm they have different objectives. Step 4: Uday Desh Ka Aam Nagrik is about affordable air travel; Urja Ganga relates to gas pipelines; Ek Bharat Shrestha Bharat is about national integration. Step 5: Therefore, Namami Ganga Yojana is the only scheme that fits the description. Verification / Alternative check: You can verify by recalling typical exam questions that ask “Which scheme is associated with cleaning the Ganga?” The answer is almost always Namami Ganga. Government advertisements, documentaries, and press releases frequently use this name when referring to Ganga river conservation efforts, which reinforces the association in memory. Why Other Options Are Wrong: Uday Desh Ka Aam Nagrik: A scheme aimed at making air travel affordable and connecting underserved airports; not related to river cleaning. Urja Ganga: Focuses on energy infrastructure, specifically gas pipeline development, not directly on cleaning the Ganga despite the word "Ganga" appearing in the title. Ek Bharat Shrestha Bharat: Encourages cultural and linguistic exchanges to promote national integration, not environmental protection. Common Pitfalls: Some candidates may be confused by the presence of "Ganga" in the name Urja Ganga and mistakenly think it is about the river itself. However, Urja Ganga emphasises energy infrastructure, whereas Namami Ganga Yojana explicitly targets cleaning and rejuvenating the Ganga river system. Always focus on the stated objective in the question and match it with the correct scheme. Final Answer: The ambitious Union Government project that integrates efforts to clean and protect the Ganga river is Namami Ganga Yojana.

Question 6

Which country is known for having the world’s shortest written national constitution?

Accepted Answer

Introduction / Context: This question examines your comparative knowledge of world constitutions. Different countries have written constitutions of varying length and complexity. Some, like India, are very detailed and long, while others are relatively brief. Being aware of which country has the shortest written constitution helps you understand constitutional diversity and is often asked in general knowledge or polity sections of competitive exams. Given Data / Assumptions: We are comparing the length of written national constitutions across countries. The question asks which country has the world’s shortest written constitution. Options include the United States of America, Monaco, Vatican City, and India. We assume “shortest” refers to the overall length and number of provisions, not the age or language. Concept / Approach: India’s Constitution is well known as one of the lengthiest written constitutions in the world. The United States Constitution is relatively short but not the shortest. Vatican City has fundamental laws, but the context of common GK questions usually highlights Monaco as the country with the shortest written constitution. Accordingly, Monaco’s constitution is widely cited in exam preparation materials as being the shortest among modern nation-state constitutions. Step-by-Step Solution: Step 1: Eliminate India because it is famous for having one of the longest constitutions in the world. Step 2: Consider the United States. Although its constitution is short, it is typically not quoted as the absolute shortest in GK references. Step 3: Vatican City is a unique religious state with fundamental governing laws, but competitive exam material generally mentions Monaco in this specific context. Step 4: Recall that standard GK books and notes often state that Monaco has the shortest written constitution. Step 5: Select Monaco as the correct answer. Verification / Alternative check: To verify, you can think of how these facts are listed in comparative tables: India is marked as longest, while Monaco frequently appears as an example of the shortest written constitution. The United States is discussed for its age and influence, not its extreme brevity in the same sense as Monaco's document. Cross-referencing with multiple GK sources during preparation often confirms this point. Why Other Options Are Wrong: United States of America: Its constitution is relatively concise but is not generally cited as the absolute shortest. Vatican City: While small and unique, Vatican City’s legal framework is considered differently from standard national written constitutions in many exam sources. India: Famous for having a very long and detailed written constitution, so it clearly cannot be the shortest. Common Pitfalls: A frequent error is to guess the United States because students remember hearing that its constitution is short and simple compared to India's. However, the question asks for the world’s shortest written constitution, a superlative that is typically associated with Monaco in exam-oriented GK. Another pitfall is overthinking Vatican City's status without recalling how mainstream GK sources treat this comparison. Final Answer: The country generally recognised as having the world’s shortest written constitution is Monaco.

Question 7

In India, Urdu enjoys official language status in which one of the following states?

Accepted Answer

Introduction / Context: This question tests your understanding of India's linguistic diversity and official language policies at the state level. Different states in India recognise various languages as official, reflecting historical, cultural, and demographic patterns. Urdu, which has a rich literary and cultural tradition, holds official status in certain states and union territories. Recognising where it is officially used is important for exams on polity, geography, and general awareness. Given Data / Assumptions: We are asked to identify the Indian state where Urdu is an official language. The options are Andhra Pradesh, Arunachal Pradesh, West Bengal, and Jammu and Kashmir. We assume “official language” refers to language status granted by the state government or constitution. No numerical calculations are needed, only factual recall. Concept / Approach: Jammu and Kashmir historically recognised Urdu as its official language for administration and government communication, even though a large part of the population speaks Kashmiri and other regional languages. While Urdu is used and recognised in several parts of India and appears in the Eighth Schedule of the Constitution, the specific state in this question that is strongly associated with Urdu as the official language is Jammu and Kashmir. This fact is traditionally highlighted in school-level civics and GK resources. Step-by-Step Solution: Step 1: Recall the Indian state most commonly associated with Urdu as an official language. Jammu and Kashmir is known for this. Step 2: Evaluate the other options. Andhra Pradesh has Telugu as its primary official language; Arunachal Pradesh has English as the official language; West Bengal uses Bengali. Step 3: None of these other states treat Urdu as the main official language in the way Jammu and Kashmir historically does. Step 4: Select Jammu and Kashmir as the correct answer. Verification / Alternative check: Verification can be done by recalling typical polity questions: which state has Urdu as its official language? Standard answers and exam notes consistently mention Jammu and Kashmir in this context. Although language policies and administrative arrangements have evolved over time, for the purpose of classical GK questions, this association remains the reference point. Why Other Options Are Wrong: Andhra Pradesh: Its main official language is Telugu, not Urdu. Arunachal Pradesh: English is the official language for this state, given its multi-ethnic composition. West Bengal: Bengali is the primary official language; Urdu has a presence but does not hold the same official status as in Jammu and Kashmir in standard GK references. Common Pitfalls: A common pitfall is to assume that any state with a sizable Urdu-speaking population automatically has Urdu as an official language, which is not always correct. Another mistake is to confuse the Eighth Schedule recognition of Urdu at the national level with state-specific official language policy. Carefully distinguishing these levels helps in avoiding such errors during exams. Final Answer: Urdu enjoys official language status, in the classic GK sense, in the state of Jammu and Kashmir.

Question 8

How many languages are officially recognised in the Eighth Schedule of the Constitution of India?

Accepted Answer

Introduction / Context: This question concerns Indian polity and the constitutional recognition of languages. The Eighth Schedule of the Constitution lists the languages that have official recognition at the Union level, which influences government communication, examinations, and cultural promotion. Over time, the number of languages in the Eighth Schedule has increased as more languages were added by constitutional amendments. Given Data / Assumptions: The question asks for the total number of languages that are officially recognised in the Eighth Schedule. The options are 17, 19, 22, and 10. We assume the question refers to the updated count after all major amendments currently recognised in standard GK materials. This is a pure recall-based question with no calculation required. Concept / Approach: Originally, the Eighth Schedule contained 14 languages. Later amendments added more languages: Sindhi, Konkani, Manipuri, Nepali, Bodo, Santhali, Maithili, and Dogri were among the languages added in stages. After these additions, the total number of languages in the Eighth Schedule stands at 22. This figure is widely cited in polity textbooks and exam-oriented GK guides. Step-by-Step Solution: Step 1: Remember the original count of languages in the Eighth Schedule was 14. Step 2: Sindhi was added, making it 15. Step 3: Later, Konkani, Manipuri, and Nepali were included, increasing the number further. Step 4: Finally, Bodo, Santhali, Maithili, and Dogri were added, which brought the total to 22. Step 5: Check the options and confirm that 22 is listed; select this as the answer. Verification / Alternative check: You can verify your memory by recalling that most standard polity questions on this topic say, “At present, how many languages are listed in the Eighth Schedule?” The answer consistently given is 22. Also, exam coaching materials frequently display a table listing all 22 languages, which reinforces the correct number through repeated exposure. Why Other Options Are Wrong: 17 and 19: These numbers may mislead students who only partly remember the sequence of additions, but they do not represent the final total. 10: This is far below the actual count and can be eliminated easily based on basic knowledge. Common Pitfalls: A common error is to rely on outdated information or to mix up the numbers associated with other constitutional lists. Some candidates also confuse the number of languages with the number of scheduled tribes or other unrelated statistics. Reviewing updated polity notes and memorising the key constitutional numbers helps avoid such confusion. Final Answer: There are 22 languages officially recognised in the Eighth Schedule of the Constitution of India.

Question 9

Which Indian state became the first to introduce a 'fat tax' on junk food items?

Accepted Answer

Introduction / Context: This question focuses on public health policy and innovative taxation measures adopted by Indian states to discourage unhealthy eating habits. A so called 'fat tax' is a tax imposed on foods that are considered high in fat, sugar, or calories, particularly items like burgers, pizzas, and other junk food sold in restaurants. The aim is to reduce consumption of such foods and generate revenue that can support health initiatives. Given Data / Assumptions: We are asked to identify which Indian state introduced a specific tax on junk food, commonly referred to as a fat tax. The options are Rajasthan, Kerala, Andhra Pradesh, and Bihar. We assume the question refers to the widely reported decision implemented through the state budget. No calculations are required; it is purely a current-affairs recall question. Concept / Approach: Kerala became widely known as the first Indian state to impose a fat tax on certain fast-food and junk food items served in branded restaurants. This measure was announced in the state budget and was discussed in national media as an innovative step to tackle lifestyle diseases such as obesity and diabetes. Other states in the options have not been similarly highlighted for introducing a formal fat tax during the same period. Step-by-Step Solution: Step 1: Recall news reports about an Indian state levying a fat tax on junk food like burgers and pizzas. Step 2: Identify the state as Kerala, which implemented such a tax through its budget. Step 3: Review the options: Rajasthan, Andhra Pradesh, and Bihar have not been reported as pioneers of a fat tax in this context. Step 4: Select Kerala as the correct answer. Verification / Alternative check: You can verify by remembering that Kerala is often in the news for health and education initiatives, and its fat tax announcement drew significant national attention. Many exam preparation materials mention this fact under the heading of innovative state taxes or health-related policies, reinforcing the memory that Kerala was the first Indian state to introduce this type of tax on junk food. Why Other Options Are Wrong: Rajasthan: Known for other policy initiatives, but not specifically as the pioneer of a fat tax on junk food. Andhra Pradesh: Has implemented various schemes in agriculture and welfare, but not highlighted for this specific tax. Bihar: Focuses on different socio-economic programmes; it is not associated with being the first to introduce a fat tax. Common Pitfalls: Some candidates may guess Rajasthan or Andhra Pradesh based on their own assumptions about health initiatives, but without a clear memory of the news item. Another pitfall is to confuse the fat tax with other forms of state-level sin taxes, such as those on alcohol or tobacco, which are more widely implemented and can lead to incorrect associations. Final Answer: The first Indian state to introduce a 'fat tax' on junk food items was Kerala.

Question 10

In which place is the Desert Festival of India held every year?

Accepted Answer

Introduction / Context: This question checks your knowledge of important cultural festivals and tourism events in India. The Desert Festival is a famous annual event that showcases the culture, music, dance, and traditions of the desert regions of Rajasthan. Knowing exactly where it is held helps in questions related to Indian geography, tourism, and culture. Given Data / Assumptions: The question refers to the Desert Festival held in India. We need to identify the specific place where this festival is organised each year. Options include Barmer, Jaisalmer, Sahara, and the general Thar Desert region. We assume the festival mentioned is the popular one promoted by Rajasthan Tourism. Concept / Approach: The well known Desert Festival of India is held in Jaisalmer, a historic city located in the Thar Desert of Rajasthan. The festival features camel races, folk dances, music, turban-tying competitions, and other cultural activities. While Barmer also lies in the desert region, the official and widely publicised Desert Festival is associated specifically with Jaisalmer, making it the correct choice among the options. Step-by-Step Solution: Step 1: Recall the state that hosts the Desert Festival. It is Rajasthan. Step 2: Within Rajasthan, identify the city most famously linked with the Desert Festival. That city is Jaisalmer. Step 3: Compare with the options provided. Barmer is a district in Rajasthan but not the primary venue for the festival. Step 4: Sahara is an African desert, and 'Thar' describes the general desert region, not the specific city. Step 5: Therefore, select Jaisalmer as the correct answer. Verification / Alternative check: You can verify by recalling tourism posters and photographs of the Desert Festival that often show the golden fort and dunes associated with Jaisalmer. Rajasthan Tourism brochures consistently mention Jaisalmer as the venue. Geography and GK books also reinforce this association by listing Jaisalmer when discussing the Desert Festival. Why Other Options Are Wrong: Barmer: Although a desert district, it is not the standard location of the famous Desert Festival in exam-oriented GK. Sahara: This is a desert in Africa and has no connection to the Indian Desert Festival in Rajasthan. Thar (general region): Describes the broader desert area, but the festival is specifically held in Jaisalmer city. Common Pitfalls: Students may mistakenly choose 'Thar' because the festival is indeed in the Thar Desert region. However, competitive exams generally expect the specific city name, which is Jaisalmer. Confusing general geographic regions with precise festival venues is a frequent source of error, so it is important to memorise both the state and the city associated with major cultural events. Final Answer: The Desert Festival is held every year in Jaisalmer, in the Thar Desert region of Rajasthan.

Question 11

Which of the following international financial institutions is often referred to as the “World Bank” in common usage?

Accepted Answer

Introduction / Context: This question is about international financial institutions and their common names. Students preparing for competitive exams must know the basic roles and full forms of organisations like the International Monetary Fund, World Bank, World Trade Organization, and others. The term “World Bank” in strict sense refers primarily to the International Bank for Reconstruction and Development, though in broader usage it may include other affiliated institutions. Given Data / Assumptions: The question asks which institution is also called the “World Bank”. Options include IMF, IBRD, WTO, and IDA. We assume that the question follows standard textbook usage, where IBRD is identified as the World Bank. No calculation is needed; this is purely a conceptual recall question. Concept / Approach: The World Bank Group is a family of institutions, with the two main ones being the International Bank for Reconstruction and Development (IBRD) and the International Development Association (IDA). In common and exam-oriented usage, IBRD is specifically referred to as the World Bank. It provides loans and technical assistance to middle income and creditworthy low income countries for development projects. This distinguishes it from the IMF, which focuses on balance of payments support, and the WTO, which deals with trade rules. Step-by-Step Solution: Step 1: Recall that the World Bank Group includes IBRD and IDA, among others. Step 2: In most textbooks, the term “World Bank” is associated primarily with IBRD. Step 3: Look at the options: IMF deals with monetary cooperation; WTO handles international trade; IDA is part of the World Bank Group but is usually described separately. Step 4: Therefore, select International Bank for Reconstruction and Development (IBRD) as the correct answer. Verification / Alternative check: You can verify by recalling standard definitions: IBRD is the main lending arm of the World Bank for middle income countries. Exam prep material typically lists “IBRD – popularly known as the World Bank” in introductory chapters on international organisations. This repeated wording reinforces the association and makes it easy to confirm the answer in memory. Why Other Options Are Wrong: International Monetary Fund (IMF): Concerned with monetary cooperation, exchange rate stability, and short term balance of payments support, not commonly referred to as the World Bank. World Trade Organization (WTO): Deals with global trade rules and dispute settlement, not with long term development lending. International Development Association (IDA): A concessional lending arm of the World Bank Group for the poorest countries, but in exam GK the term “World Bank” is linked directly to IBRD. Common Pitfalls: Candidates sometimes confuse the World Bank with the World Bank Group as a whole, leading them to choose IDA or think that any development lending institution could be the answer. Others mistakenly pick IMF because it is widely mentioned in the news, even though its role is different. To avoid such mistakes, it is important to remember the specific full forms and core functions of each institution. Final Answer: The institution commonly referred to as the “World Bank” is the International Bank for Reconstruction and Development (IBRD).

Question 12

Which of the following is a well-known example of a producers’ cartel in the global economy?

Accepted Answer

Introduction / Context: This question is about economic organisations and the concept of a cartel. A cartel is a group of independent producers or firms that agree to coordinate prices, production levels, or market sharing to influence the market in their favour. Recognising real world examples of cartels is important for understanding market structures and international economic relations. Given Data / Assumptions: The question asks for an example of a cartel. The options are OPEC, IMF, WTO, and UNO. We assume the question is framed in the context of standard economic textbooks. No numerical or formula based work is required; it is purely conceptual. Concept / Approach: OPEC, the Organization of the Petroleum Exporting Countries, is frequently cited as a classic example of a cartel. Member countries coordinate their oil production policies and often adjust output levels to influence global oil prices. This coordinated action among producers fits the definition of a cartel. In contrast, IMF, WTO, and UNO are intergovernmental organisations with broader policy and governance roles and are not producer cartels. Step-by-Step Solution: Step 1: Recall the definition of a cartel: a group of producers who coordinate to control prices or output. Step 2: Identify which option consists of producer countries with a shared commodity. OPEC brings together major oil exporting countries. Step 3: Recall that OPEC members collaborate to regulate oil production and thereby impact world oil prices. Step 4: Confirm that IMF, WTO, and UNO are not producer groups but general international organisations with different mandates. Step 5: Conclude that OPEC is the correct example of a cartel. Verification / Alternative check: You can verify by recalling that economics textbooks often use OPEC as the primary real world example while explaining the concept of a cartel and oligopoly behaviour. News reports about OPEC meetings frequently mention decisions to cut or increase oil production to stabilise or influence prices, reinforcing the notion of coordinated producer action. Why Other Options Are Wrong: IMF (International Monetary Fund): It provides financial assistance and policy advice to member countries and is not a producers’ cartel. WTO (World Trade Organization): It sets rules for international trade and adjudicates disputes; it does not coordinate production among producers. UNO (United Nations Organization): It is a global body addressing peace, security, development, and human rights, not commodity production. Common Pitfalls: A typical mistake is to be distracted by the familiarity of organisations like IMF or WTO, which are often mentioned in news about the global economy. However, these institutions do not fit the definition of a cartel. Focusing on the keyword “producers’ cartel” and remembering OPEC’s role in the oil market will help you avoid confusion. Final Answer: A well-known example of a producers’ cartel in the global economy is OPEC, the Organization of the Petroleum Exporting Countries.

Question 13

Which is the longest river of peninsular India?

Accepted Answer

Introduction / Context: This question focuses on Indian physical geography, specifically the major rivers of the peninsular region. Knowing which rivers are longest, where they flow, and where they drain is fundamental for exam questions in geography and general studies. The peninsular rivers originate mostly in the Western Ghats or central highlands and flow eastward into the Bay of Bengal or westward into the Arabian Sea. Given Data / Assumptions: The question asks for the longest river in peninsular India. Options are Narmada, Godavari, Mahanadi, and Cauvery. We consider only rivers whose basins mainly lie in the peninsular region, not the Himalayan system. No detailed calculation of river length is required; it is a fact-based recall question. Concept / Approach: Among the major peninsular rivers, the Godavari is the longest. It is often referred to as the "Dakshin Ganga" or "Ganga of the South." The river originates in the Western Ghats in Maharashtra and flows through several states before emptying into the Bay of Bengal. While Narmada, Mahanadi, and Cauvery are also important peninsular rivers, their lengths are shorter than that of the Godavari. Step-by-Step Solution: Step 1: List the major peninsular rivers: Godavari, Krishna, Cauvery, Narmada, and Mahanadi, among others. Step 2: Recall that the Godavari is the longest of these, with a length of about 1465 kilometres, making it the longest river in peninsular India. Step 3: Compare with the approximate lengths of the other options. Narmada, Cauvery, and Mahanadi are all shorter. Step 4: Therefore, choose Godavari as the correct option. Verification / Alternative check: Standard geography textbooks and maps often mark the Godavari as the longest river in peninsular India and the second-longest river in India after the Ganga. This fact is usually highlighted in exam-focused notes. Remembering the nickname "Dakshin Ganga" also helps verify that Godavari is the river being referred to. Why Other Options Are Wrong: Narmada: A major west-flowing river, but shorter than the Godavari. Mahanadi: Important for Odisha and Chhattisgarh, but again shorter than the Godavari. Cauvery: A significant river for Karnataka and Tamil Nadu, but not the longest in the peninsular region. Common Pitfalls: Some students mix up "largest river basin" and "longest river" or confuse the role of Krishna with that of Godavari. Others may recall that Narmada is prominent because it flows westward and cut a rift valley, but prominence does not equal length. Focusing on the specific measure asked in the question, which is length, helps avoid such confusion. Final Answer: The longest river of peninsular India is the Godavari.

Question 14

Which country was the first in the world to appoint a national-level ombudsman institution similar to the Lokpal?

Accepted Answer

Introduction / Context: This question tests your understanding of the origin of ombudsman institutions worldwide. The Lokpal in India is a type of ombudsman designed to investigate complaints of corruption against public officials. The concept of an independent ombudsman to address citizens' grievances against the government originally developed in another country long before the Lokpal idea was adopted in India. Given Data / Assumptions: The question asks which country first appointed a national-level ombudsman similar to a Lokpal. Options are Brazil, Burma (Myanmar), Sweden, and India. We assume "first" refers to the earliest modern ombudsman institution created by law. No numerical computation is needed; it is a conceptual history question. Concept / Approach: Sweden is widely regarded as the pioneer of the ombudsman institution. It introduced the office of the Parliamentary Ombudsman in the early nineteenth century to independently oversee public administration and protect citizens' rights. This model inspired many other countries, including India, to later adopt their own ombudsman-type bodies such as Lokpal and Lokayuktas. Therefore, Sweden is the correct answer. Step-by-Step Solution: Step 1: Recall which country is historically credited with inventing the ombudsman institution. This is Sweden. Step 2: Compare the options: Brazil and Burma do not have this distinction in standard political science references. Step 3: India introduced the concept of Lokpal much later, inspired by the Swedish model. Step 4: Therefore, choose Sweden as the correct answer. Verification / Alternative check: You can confirm this by remembering that most polity textbooks and notes explicitly state, “The institution of Lokpal in India is based on the Ombudsman system of Sweden,” and that Sweden was the first to establish such an office. This repeated mention in exam material helps you verify the answer in your mind. Why Other Options Are Wrong: Brazil: Although it has accountability institutions, it is not historically recognised as the originator of the ombudsman concept. Burma (Myanmar): Has experienced various political systems and constitutional changes, but does not hold this distinction. India: Introduced Lokpal much later, drawing inspiration from existing models like the Swedish ombudsman. Common Pitfalls: Some candidates may wrongly choose India because they associate the question with Lokpal alone and overlook the reference to the first country in the world. Others might guess Brazil due to its prominence in Latin American politics, but there is no standard political science basis for that choice. Remembering the Swedish origins of the ombudsman helps avoid these mistakes. Final Answer: The first country to appoint a national-level ombudsman institution similar to a Lokpal was Sweden.

Question 15

In the National Flag of India, the Ashoka Chakra at the centre is a wheel with how many spokes?

Accepted Answer

Introduction / Context: This question belongs to the area of Indian symbols and national identity. The National Flag of India consists of three horizontal stripes and a navy blue wheel, known as the Ashoka Chakra, at the centre of the white band. Knowing the number of spokes in this wheel is a standard fact repeatedly asked in school exams and competitive tests, as it symbolises important values drawn from the Ashokan tradition and the Dharma Chakra motif. Given Data / Assumptions: The question focuses on the Ashoka Chakra depicted in the centre of the Indian National Flag. We must identify how many spokes the wheel contains. Options are 8, 12, 16, and 24. No calculation is necessary; only correct factual recall is required. Concept / Approach: The Ashoka Chakra on the Indian national flag is derived from the Lion Capital of Ashoka at Sarnath, where the Dharma Chakra symbol represents the wheel of law. In the flag, the wheel is navy blue and contains 24 spokes. These spokes are often interpreted as symbolising the 24 hours of the day or various virtues associated with righteous living. Therefore, among the options given, 24 is the correct answer. Step-by-Step Solution: Step 1: Visualise the Indian national flag and focus on the navy blue wheel in the centre. Step 2: Recall that this wheel is the Ashoka Chakra, adapted from the Dharma Chakra at Sarnath. Step 3: Remember that the Ashoka Chakra on the flag has 24 spokes. Step 4: Check the options and match this number with option 24. Step 5: Select 24 as the correct answer. Verification / Alternative check: You can verify by recalling textbook illustrations and official descriptions of the flag. The design specifications clearly state that the Ashoka Chakra must be navy blue with 24 equally spaced spokes. This fact is also mentioned in many GK question banks, and is frequently asked in school-level quizzes, which helps reinforce it in memory. Why Other Options Are Wrong: 8: This is far fewer than the correct count and does not match the official design. 12 and 16: These numbers might appear plausible to the eye in a rough sketch, but the actual design specifies 24 spokes, not 12 or 16. Common Pitfalls: A common mistake is to rely on a rough mental image of the flag and undercount the spokes, leading to choices like 12 or 16. Another pitfall is to confuse symbolic interpretations of the wheel with the precise design requirement. To avoid errors, it is best to simply memorise the exact figure of 24 spokes for the Ashoka Chakra in the national flag. Final Answer: The Ashoka Chakra in the centre of the National Flag of India is a wheel with 24 spokes.

Question 16

Which fort in Rajasthan is popularly known as the “Golden Fort” because of its yellow sandstone appearance?

Accepted Answer

Introduction / Context: This question tests your knowledge of Indian heritage sites, particularly the famous forts of Rajasthan. Many forts in Rajasthan are UNESCO World Heritage Sites and have unique architectural and visual identities. The “Golden Fort” is a nickname associated with one specific fort due to its golden-yellow colour, which results from the sandstone used in its construction. Given Data / Assumptions: The question asks which fort is also called the “Golden Fort”. The options are Chittorgarh, Kumbhalgarh, Ranthambore, and Jaisalmer Fort. We assume the nickname refers to the fort’s distinctive golden appearance in sunlight. No numerical calculations are required; this is an identification question. Concept / Approach: Jaisalmer Fort, located in the city of Jaisalmer in Rajasthan, is famously known as the “Sonar Quila” or “Golden Fort.” Built from yellow sandstone, it appears golden in the daytime and glows in the sunlight, which gives it this popular name. The other forts listed are also important but do not share this specific nickname. Step-by-Step Solution: Step 1: Recall which fort is called “Sonar Quila” or “Golden Fort.” This is Jaisalmer Fort. Step 2: Confirm that Jaisalmer Fort is built with yellow sandstone and stands on Trikuta Hill, giving it a distinctive golden look. Step 3: Recognise that Chittorgarh, Kumbhalgarh, and Ranthambore are famous for other historical reasons but are not commonly called Golden Fort. Step 4: Choose Jaisalmer Fort as the correct answer. Verification / Alternative check: You can verify by recalling that filmmaker Satyajit Ray used the Sonar Quila (Golden Fort) in one of his famous films, further popularising the nickname. Tourism brochures and photographs of the fort often highlight its golden glow at sunrise and sunset, reinforcing the identity of Jaisalmer Fort as the Golden Fort of Rajasthan. Why Other Options Are Wrong: Chittorgarh Fort: Known for its heroic history, towers, and sieges, not specifically for a golden appearance. Kumbhalgarh Fort: Famous for its long walls and strategic location, but not nicknamed Golden Fort. Ranthambore Fort: Associated with the Ranthambore Tiger Reserve and historical battles, but not with the golden colour. Common Pitfalls: A frequent error is to confuse the many forts of Rajasthan and pick one based only on its fame rather than the specific nickname. The key is to remember the link between Jaisalmer’s yellow sandstone architecture and the Golden Fort title. Associating the city of Jaisalmer with golden sand and golden fortifications helps prevent confusion. Final Answer: The fort popularly known as the “Golden Fort” is Jaisalmer Fort in Rajasthan.

Question 17

Which Indian lake is famously known as the lagoon lake of India due to its brackish water and coastal lagoon characteristics?

Accepted Answer

Introduction / Context: This question is about Indian lakes and their classifications. A lagoon is a shallow body of brackish water separated from a larger sea by sandbars, barrier islands, or reefs. India has several important lakes, but one in particular is widely recognised as a coastal lagoon and is therefore often called the lagoon lake of India. Given Data / Assumptions: The question asks which lake is renowned as the lagoon lake of India. Options include Kanjia Lake, Agra Lake, Mansar Lake, and Chilika Lake. We assume that the description refers to a large brackish water lagoon on the east coast. No numerical calculations are required; the question is purely factual. Concept / Approach: Chilika Lake, located in the state of Odisha, is the largest coastal lagoon in India and one of the largest brackish water lakes in the world. It is separated from the Bay of Bengal by a narrow strip of land and supports a rich ecosystem, including migratory birds and dolphins. Because of its lagoon characteristics, it is often referred to as the lagoon lake of India. The other lakes listed do not share this specific fame. Step-by-Step Solution: Step 1: Recall the major brackish water and coastal lagoon lakes in India. Chilika Lake is the most prominent. Step 2: Compare with the options: Kanjia, Agra, and Mansar Lakes are known but are not the largest coastal lagoon. Step 3: Identify Chilika Lake in Odisha as the well known coastal lagoon commonly referred to in GK questions. Step 4: Select Chilika Lake as the correct answer. Verification / Alternative check: You can verify this by remembering that Chilika Lake is often mentioned in geography lessons on wetlands, Ramsar sites, and bird sanctuaries. It is highlighted as a unique brackish water lagoon, distinct from freshwater lakes like Mansar. This repeated mention in textbooks and exam guides confirms that Chilika Lake is the lagoon lake of India. Why Other Options Are Wrong: Kanjia Lake: A smaller lake near Bhubaneswar in Odisha, but not the main lagoon lake. Agra Lake: Not a major lake known as a coastal lagoon; the name can be confusing but it is not the correct answer. Mansar Lake: A freshwater lake, mainly associated with Jammu and Kashmir, not with lagoon characteristics. Common Pitfalls: Occasionally, students may confuse different lake types, such as freshwater, saline, and brackish water bodies, or may simply recognise the name Chilika without remembering why it is special. The key to avoiding mistakes is to link Chilika Lake clearly with phrases like “brackish water lagoon,” “largest coastal lagoon,” and “bird sanctuary” in your memory. Final Answer: The Indian lake famously known as the lagoon lake of India is Chilika Lake in Odisha.

Question 18

Who built Shantiniketan, the famous centre of learning and culture later associated with Rabindranath Tagore?

Accepted Answer

Introduction / Context: This question deals with modern Indian cultural history and education. Shantiniketan is a well known centre of learning, art, and culture in West Bengal. It is closely associated with the Nobel laureate Rabindranath Tagore, who experimented with new forms of education that emphasised creativity, nature, and holistic development rather than rote learning. Given Data / Assumptions: The question asks who built Shantiniketan. The options are Guru Ramdas, Maharaja Pratap Singh, Rabindranath Tagore, and the British Government. We interpret "built" here in the sense of founding and developing the institution as it is widely known. No calculation is required; it is a factual recall question about cultural history. Concept / Approach: Shantiniketan was founded and developed by Rabindranath Tagore as an experimental school and later expanded into Visva Bharati University. While Tagore's family, especially his father Maharshi Debendranath Tagore, owned the land and had a spiritual retreat there, it was Rabindranath Tagore who created the educational institution known as Shantiniketan and gave it its unique character. Therefore, in the context of general knowledge questions, Rabindranath Tagore is regarded as the builder of Shantiniketan as an educational centre. Step-by-Step Solution: Step 1: Recall that Shantiniketan is strongly associated with the life and work of Rabindranath Tagore. Step 2: Remember that he created an open, nature-based school there, which later evolved into Visva Bharati University. Step 3: Evaluate the options: Guru Ramdas and Maharaja Pratap Singh are not connected with this institution, and the British Government did not found it as a colonial project. Step 4: Therefore, Rabindranath Tagore is the correct answer. Verification / Alternative check: You can verify by recalling that Shantiniketan is often described in textbooks as Tagore's experimental school where students studied under the open sky and engaged in arts and crafts alongside formal learning. His educational philosophy and the founding of Visva Bharati at Shantiniketan are frequently mentioned in discussions of modern Indian education, confirming his role as the builder of the institution. Why Other Options Are Wrong: Guru Ramdas: A Sikh Guru with no historical connection to Shantiniketan. Maharaja Pratap Singh: Associated with princely states and different historical contexts, not with Shantiniketan. The British Government: While the British established many institutions, Shantiniketan was a private initiative by Tagore, not a colonial project. Common Pitfalls: Some candidates may confuse the roles of Tagore's father and Tagore himself. While his father had an ashram on the land, the question focuses on building Shantiniketan as a centre of learning, for which Rabindranath Tagore is rightly credited. Another pitfall is simply guessing the British Government because many universities were founded by colonial authorities, but this does not apply here. Final Answer: Shantiniketan, as a famous centre of learning and culture, was built and developed by Rabindranath Tagore.

Question 19

In a botanical garden, which one of the following biological processes is never directly influenced by light?

Accepted Answer

Introduction / Context: Questions about the role of light in plant processes are common in school and competitive examinations because they test basic understanding of plant physiology. In a botanical garden, many processes take place simultaneously, such as flowering, photosynthesis, transpiration, and fertilization. Some of these are strongly and directly controlled by light, whereas others occur largely independent of light intensity and duration. This question asks which listed process is never directly influenced by light, so the focus is on finding the process that does not rely on light as a direct regulatory signal. Given Data / Assumptions: The setting is a botanical garden with normal environmental conditions. Four processes are listed: flowering, photosynthesis, transpiration, and fertilization. Light is considered as an external environmental factor affecting plant processes. We are asked to identify the process that is not directly influenced by light. Concept / Approach: Photosynthesis is the process by which plants manufacture food using light energy, so it is directly dependent on light. Transpiration is the loss of water vapour mainly through stomata, whose opening and closing are strongly influenced by light intensity, so it is also directly affected. Flowering in many plants is controlled by photoperiodism, where day length and light quality directly influence the initiation of flowers. Fertilization, on the other hand, occurs after pollination, when the male gamete fuses with the female gamete inside the ovary. This process is governed by internal biochemical and cellular mechanisms rather than direct light action, making it the correct answer. Step-by-Step Solution: Step 1: Recall that photosynthesis requires light energy to drive the light reactions in chloroplasts. Step 2: Understand that transpiration rate is influenced by stomatal opening, which is stimulated by light in most plants. Step 3: Remember that flowering in many species is controlled by photoperiodism, where the duration and intensity of light regulate flower initiation. Step 4: Note that fertilization is an internal event involving pollen tube growth and gamete fusion within the ovule, and it proceeds even in the absence of direct light. Step 5: Conclude that fertilization is not directly influenced by light, while the other three processes are tightly linked to light. Verification / Alternative check: An easy way to verify this reasoning is to imagine a fertilized ovule inside a flower bud or within fruits that develop in shaded conditions. Fertilization and subsequent embryo development can proceed even when light is minimal or absent, provided other basic conditions are met. In contrast, if light is removed, photosynthesis stops, stomata behave differently, and photoperiodic plants might not flower correctly. This confirms that fertilization is the least directly influenced by light among the given options. Why Other Options Are Wrong: Flowering of plants: Often controlled by photoperiod, where day length and light quality directly influence the floral response, so it is strongly affected by light. Photosynthesis in green leaves: This process cannot occur without light because light energy is essential for converting carbon dioxide and water into glucose and oxygen. Transpiration through stomata: Stomata typically open in light and close in darkness, making transpiration rate closely linked to light intensity. Common Pitfalls: Candidates sometimes think that because fertilization happens in flowers that are exposed to light, light must directly control it. However, the key idea is that fertilization is an internal cellular and genetic process. Another common mistake is to confuse indirect environmental influences with direct control. Light may indirectly influence reproductive timing, but the act of gamete fusion itself is not light dependent. Final Answer: The process in a botanical garden that is never directly influenced by light is Fertilization inside the ovary.

Question 20

For a person suffering from myopia (short sightedness), which type of corrective lens is used to improve distant vision?

Accepted Answer

Introduction / Context: Defects of vision and their correction are classic topics in physics and biology, especially in school level examinations. Myopia, also known as short sightedness, is a condition in which a person can see nearby objects clearly but has difficulty seeing distant objects. This question tests whether you know which optical lens is used in spectacles to correct myopia and restore clear vision for far objects. Given Data / Assumptions: The person is suffering from myopia or short sightedness. The question asks specifically about the type of lens used for correction. Four options are provided: convex, concave, crossed, and cylindrical lenses. We assume standard school level definitions of these lenses and eye defects. Concept / Approach: In a myopic eye, the eyeball is effectively too long or the eye lens has too much converging power. As a result, light rays coming from distant objects converge to form an image in front of the retina instead of exactly on it. To correct this, we must decrease the overall converging power of the eye. This can be achieved by placing a diverging lens in front of the eye, which spreads out the incoming parallel rays before they enter the eye, so that the eye lens forms the image on the retina. A diverging lens is a concave lens. Convex lenses are converging lenses and are used for hypermetropia, not myopia. Step-by-Step Solution: Step 1: Recall that in myopia, distant objects appear blurred while near objects are clear. Step 2: Understand that in a myopic eye, images of distant objects form in front of the retina because the eye's converging power is too high. Step 3: To shift the image back onto the retina, the total converging power must be reduced. Step 4: A concave lens is a diverging lens that spreads incoming parallel light rays slightly before they enter the eye. Step 5: With the concave lens in place, the combined effect of the spectacle lens and the eye lens forms the image exactly on the retina, restoring clear distant vision. Verification / Alternative check: An alternative check is to remember the standard matching of eye defects and lenses: myopia is associated with concave lenses, hypermetropia with convex lenses, and astigmatism with cylindrical lenses. Crossed lenses are not a standard category in basic optics. This standard association provides a quick verification that concave lens is the correct choice for myopia. Why Other Options Are Wrong: Convex lens: This is a converging lens and would increase the total power of the eye, which would worsen myopia instead of correcting it. Crossed lens: This is not a standard optical lens type used for correcting simple refractive errors in basic physics or biology curricula. Cylindrical lens: Used to correct astigmatism, where the curvature of the cornea is irregular, not for simple myopia alone. Common Pitfalls: Students sometimes confuse the lenses used for myopia and hypermetropia, especially under exam pressure. Another pitfall is to assume that any lens that looks thick at the centre must be correct, without recalling whether a converging or diverging effect is needed. It is also important not to mix up cylindrical lenses, which are prescribed specifically for astigmatism, with lenses used for simple short sightedness. Final Answer: The corrective lens used for a person suffering from myopia is a Concave lens.

Basic General Knowledge Questions