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- Question
Which of the following statements is/are correct? 1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves. 2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant. 3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant. Select the correct answer using the code given below.
Options- A. 1 only
- B. 1 and 2 only
- C. 2 and 3 only
- D. 1, 2 and 3
- Correct Answer
- 1, 2 and 3
ExplanationAll are correct. Gravitational waves don?t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world?s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.
- 1. The exchange of materials between blood and interstitial fluid occurs only at the _____.
Options- A. Veins
- B. Capillaries
- C. Arteries
- D. Arterioles Discuss
- 2. Which of the following three R's are regarded as environment friendly?
Options- A. Reduce ? Reuse ? Recycle
- B. Reduce ? Reuse ? Reutilize
- C. Recollect ? Reuse ? Reutilize
- D. Reduce ? Renew ? Reutilize Discuss
- 3. In which industry Potassium Nitrate is used commercially?
Options- A. Glass Manufacturing
- B. Electroplating
- C. Fire Cracker Manufacturing
- D. Leather Industry Discuss
- 4. A difference between 2 longitudes at equator is nearby equivalent to _____ km.
Options- A. 101
- B. 111
- C. 121
- D. 91 Discuss
- 5. Which one of the following statements is not correct?
Options- A. Pavo cristatus is the national bird of India.
- B. Nelumbo nucifera gaertn is the national flower of India.
- C. Ficus benghalens is is the national tree of India.
- D. Mangifera indica is the national animal of India. Discuss
- 6. Which disease is caused by Nickel?
Options- A. Itai Itai
- B. Dermatitis
- C. Learning disability
- D. Asthma Discuss
- 7. Which of the following pair/pairs is/are INCORRECT? I. Golden revolution - Fruits production II. Blue revolution - Increasing production of fertilizers III. Yellow revolution - For the production of eggs
Options- A. Only I
- B. Only II
- C. Both I and II
- D. Both II and III Discuss
- 8. Which colour is formed when Blue and Green are mixed?
Options- A. Cyan
- B. Brown
- C. Black
- D. Violet Discuss
- 9. Which of the following planet is also known as 'Earth's twin'?
Options- A. Mercury
- B. Venus
- C. Jupiter
- D. Saturn Discuss
- 10. _______ determines colour, texture, chemical properties, mineral content and permeability of soil.
Options- A. Flora & Fauna
- B. Time
- C. Climate
- D. Parent rock Discuss
General Science problems
Search Results
Correct Answer: Capillaries
Correct Answer: Reduce ? Reuse ? Recycle
Correct Answer: Fire Cracker Manufacturing
Correct Answer: 111
Correct Answer: Mangifera indica is the national animal of India.
Explanation:
All are correct except D, as Mangifera indica is scientific name of Mango
Correct Answer: Dermatitis
Correct Answer: Both II and III
Correct Answer: Cyan
Correct Answer: Venus
Correct Answer: Parent rock
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