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- Question
Charcoal can be made at home by burning
Options- A. wood in absence of air
- B. coal in absence of air
- C. coal in an insufficient supply of air
- D. wood in an insufficient supply of air
- Correct Answer
- wood in absence of air
- 1. Salination of soil is caused by
Options- A. Pesticides
- B. soil erosion
- C. excess irrigation
- D. crop rotation Discuss
- 2. The study of mountains is known as
Options- A. Oncology
- B. Lithology
- C. Orology
- D. Ornithology Discuss
- 3. Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?
Options- A. Sunderbans
- B. Gulf of Mannar
- C. Nandadevi
- D. Corbett Discuss
- 4. Person who is colour-blind cannot distinguish between
Options- A. Black and yellow
- B. Red and green
- C. Yellow and white
- D. Green and blue Discuss
- 5. Which is the warmest layer of the atmosphere?
Options- A. Thermosphere
- B. Troposphere
- C. Stratosphere
- D. Mesosphere Discuss
- 6. Depletion of ozone layer causes
Options- A. Breast cancer
- B. Skin cancer
- C. Lung cancer
- D. Blood cancer Discuss
- 7. SMOG is a combination of
Options- A. Air and water vapour
- B. Water and smoke
- C. Fire and water
- D. Smoke and fog Discuss
- 8. What is the position of the Earth when it is at the greatest distance from the sun ?
Options- A. Aphelion
- B. Antipode
- C. Perihelion
- D. Aldiatc Discuss
- 9. Azolla increases soil fertility for ....
Options- A. maize cultivation
- B. wheat cultivation
- C. barley cultivation
- D. rice cultivation Discuss
- 10. 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
General Science problems
Search Results
Correct Answer: excess irrigation
Correct Answer: Orology
Correct Answer: Corbett
Correct Answer: Red and green
Correct Answer: Thermosphere
Correct Answer: Skin cancer
Correct Answer: Smoke and fog
Correct Answer: Aphelion
Correct Answer: rice cultivation
Correct Answer: Sawdust is a bad conductor of heat
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