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- Question
When does the sun shine vertically on the Equator ?
Options- A. Throughout the year
- B. For six months
- C. Twice a year
- D. Once a year
- Correct Answer
- Twice a year
- 1. Helium is added to the oxygen supply of deep sea divers because it is _________
Options- A. less poisonous than nitrogen
- B. Lighter than nitrogen
- C. Readily miscible with oxygen
- D. less soluble in blood than nitrogen at high pressure Discuss
- 2. A level of atmosphere which is composed partly of electrons and positive ions is called
Options- A. Troposphere
- B. Ionosphere
- C. Stratosphere
- D. Mesosphere Discuss
- 3. Which of the following was India's first interplanetary mission?
Options- A. Chandrayaan Mission
- B. Mangalyaan Mission
- C. Aryabhatta Mission
- D. Philae Mission Discuss
- 4. Why does ice covered in sawdust not melt quickly?
Options- A. Sawdust does not allow the air to touch the ice
- B. The water is absorbed by sawdust
- C. Sawdust is a bad conductor of heat
- D. Sawdust is good conductor of heat Discuss
- 5. Azolla increases soil fertility for ....
Options- A. maize cultivation
- B. wheat cultivation
- C. barley cultivation
- D. rice cultivation Discuss
- 6. Among the given nutrients, milk is a poor source of which of the following ?
Options- A. Vitamin 'C'
- B. Calcium
- C. Protein
- D. Carbohydrate Discuss
- 7. Particulates (< 1 ?m size) remaining suspended in air indefinitely and transported by wind currents are called
Options- A. Mists
- B. Fumes
- C. Aerosols
- D. Smoke Discuss
- 8. The least preferred technique in the disposal of Municipal Solid Waste is
Options- A. Incineration
- B. Composting
- C. Land filling
- D. Bricketting Discuss
- 9. A bomb explodes on the moon. You will hear its sound on earth after _________
Options- A. 20 minutes
- B. 2 hrs 20 minutes
- C. 3.7 hours
- D. You cannot hear the sound of explosion Discuss
- 10. Ornithophily is effected by
Options- A. snails
- B. bats
- C. insects
- D. birds Discuss
General Science problems
Search Results
Correct Answer: less soluble in blood than nitrogen at high pressure
Correct Answer: Ionosphere
Correct Answer: Mangalyaan Mission
Correct Answer: Sawdust is a bad conductor of heat
Correct Answer: rice cultivation
Correct Answer: Vitamin 'C'
Correct Answer: Aerosols
Correct Answer: Bricketting
Correct Answer: You cannot hear the sound of explosion
Correct Answer: birds
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