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- Question
What is a Contact Force and explain with an example?
- Correct Answer
- A Contact force is a force applied to a body by another body that is in contact with it Contact force acts on a point of direct contact between the two objects This force can either be continuous as a continuous force or can be momentary in the form of an impulse Contact force is governed by Newton?s Laws Examples :: Contact force is responsible for most of the interactions we experience in the daily life 1 Writing your name with a pen, pushing a car up a hill, lifting an object, etc 2 Kicking a ball, hammering a nail, etc are some of the everyday examples where contact forces are at work In the first case, the force is continuously applied by the person on the car or pen or an object while in the second case the force is delivered in a short impulse Contact forces are often decomposed into orthogonal components one perpendicular to the surface in contact called the normal force, and one parallel to the surface in contact, called the friction force
- 1. Apurvi Chandela is related to _______.
Options- A. Boxing
- B. Archery
- C. Swimming
- D. Shooting Discuss
- 2. Which is fastest swimming fish Discuss
- 3. The only fish that makes nest is the Discuss
- 4. Which one of the following functions is not carried out by smooth endoplasmic reticulum?
Options- A. Transport of materials
- B. Synthesis of lipid
- C. Synthesis of protein
- D. Synthesis of steroid hormone Discuss
- 5. Which one of the following tissues is responsible for increase of girth in the stem of a plant?
Options- A. Tracheid
- B. Pericycle
- C. Intercalary meristem
- D. Lateral meristem Discuss
- 6. Wankhede stadium is situated in
Options- A. Chandigarh
- B. Madras
- C. Mumbai
- D. Bangalore Discuss
- 7. What is a rhinos horn made of ?
Options- A. Bones
- B. Collagen
- C. Fibroin
- D. Kerotin Discuss
- 8. Read the passage carefully and choose the best answer to each question out of the four alternatives. Many plays and films have depicted the life story of Gautama Buddha, but what made the musical play The Way Across unique was its regional focus. Directed by G. Kumara Swamy, the play adapted from the book Telangana lo Buddhism focused on the enlightenment of a cursed Brahmin Bawari and his 16 curious disciples willing to understand the deeper truths of birth, death, rebirth and brotherhood. From the impressive use of projector visuals, music and shadow-play, there was every effort to lend authenticity to the theme. Despite the play's focus on Telangana, the native essence was compromised, due to the English rendition (done for a wider reach). The lines appeared jaded with literal translations. The honest performances from the crew impacted only on a surface-level. Kiran Kumar's Bawari act and Krishna Chaitanya Joshi as Pingiya (said to have propagated Buddhism from Telangana to several regions across South India) grab your attention. What was unique about the play, 'The Way Across'?
Options- A. Story line
- B. Regional focus
- C. It was a musical
- D. It was in English Discuss
- 9. Which one of the following organisms is dependent on saprophytic mode of nutrition?
Options- A. Agaricus
- B. Ulothrix
- C. Riccia
- D. Cladophora Discuss
- 10. Who amongst the following became the only sports person to have been awarded all the three maor sports awards viz.Drona Charya Award, Rajiv Gandhi Khel Ratna Award and Arjuna Award?
Options- A. Prakash Padukone
- B. Sanjeev Kumar Singh
- C. Harika Dronavali
- D. Pullela Gopichand Discuss
More questions
Correct Answer: Shooting
Correct Answer: sailfish
Correct Answer: Stickle back
Correct Answer: Synthesis of protein
Explanation:
Smooth Endoplasmic Reticulumdoes not contain ribosomes on its surface for which it is regarded as smooth. So, proteins cannotbe synthesised by SER provided protein synthesis is the primary task of ribosomes.
Correct Answer: Lateral meristem
Explanation:
In vascular plants, the lateral meristem is one of two meristems in which growth occurs in order to increase stem girth. A meristem is the region of plant tissue found on the tips of roots and shoots. It is where cell division occurs to produce new growth.
Correct Answer: Mumbai
Correct Answer: Kerotin
Correct Answer: Regional focus
Correct Answer: Agaricus
Explanation:
Saprophytic fungi feed on dead plant and animal remains. Many are extremely beneficial, breaking down this organic material into humus, minerals and nutrients that can be utilised by plants. Agaricus is one among them.
Correct Answer: Pullela Gopichand
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