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- Question
Which best describes how air moves during convection?
Options- A. cool air falls down
- B. warm air falls down
- C. cool air is replaced by warm air
- D. air always falls down
- Correct Answer
- cool air falls down
ExplanationDuring convection, cool and dense air falls through the warmer and less dense air. The warm air having less mass is being displaced by the cooler which is much heavy. Convection always involves the air rising through the atmosphere.
- 1. First Olympic Games were held in
Options- A. 876 BC
- B. 798 BC
- C. 776 BC
- D. 898 BC Discuss
- 2. The minimum age required to become the prime minister of India is
Options- A. 25 years
- B. 30 years
- C. 40 years
- D. 35 years Discuss
- 3. India reached the final of the Davis Cup for the first time in...?
Options- A. 1964
- B. 1966
- C. 1970
- D. 1974 Discuss
- 4. Which of the following is tropical grassland?
Options- A. Taiga
- B. Savannah
- C. Pampas
- D. Prairies Discuss
- 5. Indian Cancer Research institute is located at
Options- A. New Delhi
- B. Calcutta
- C. Chennai
- D. Mumbai Discuss
- 6. The ratio of land to ocean in the southern hemisphere is
Options- A. 1 to 1.5
- B. 1 to 1
- C. 1 to 4
- D. 1 to 10 Discuss
- 7. How many players are there in Water Polo team?
Options- A. 4
- B. 5
- C. 6
- D. 7 Discuss
- 8. Gangubai hangal is the name associated with
Options- A. Literature
- B. Music
- C. Journalism
- D. Environment Discuss
- 9. The largest production of mica in Asia is from
Options- A. Indonesia
- B. Malaysia
- C. Myanmar
- D. India Discuss
- 10. Plants synthesis protein from
Options- A. starch
- B. sugar
- C. amino acids
- D. fatty acids Discuss
More questions
Correct Answer: 776 BC
Correct Answer: 25 years
Correct Answer: 1966
Correct Answer: Savannah
Correct Answer: Mumbai
Correct Answer: 1 to 4
Correct Answer: 7
Correct Answer: Music
Correct Answer: India
Correct Answer: amino acids
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