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- Question
Salination of soil is caused by
Options- A. Pesticides
- B. soil erosion
- C. excess irrigation
- D. crop rotation
- Correct Answer
- excess irrigation
- 1. The study of mountains is known as
Options- A. Oncology
- B. Lithology
- C. Orology
- D. Ornithology Discuss
- 2. 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
- 3. 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
- 4. Which is the warmest layer of the atmosphere?
Options- A. Thermosphere
- B. Troposphere
- C. Stratosphere
- D. Mesosphere Discuss
- 5. Super cooling stands for cooling of a liquid :
Options- A. at freezing point
- B. below freezing point
- C. at melting point
- D. above melting point Discuss
- 6. 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 Discuss
- 7. Depletion of ozone layer causes
Options- A. Breast cancer
- B. Skin cancer
- C. Lung cancer
- D. Blood cancer Discuss
- 8. SMOG is a combination of
Options- A. Air and water vapour
- B. Water and smoke
- C. Fire and water
- D. Smoke and fog Discuss
- 9. 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
- 10. Azolla increases soil fertility for ....
Options- A. maize cultivation
- B. wheat cultivation
- C. barley cultivation
- D. rice cultivation Discuss
General Science problems
Search Results
Correct Answer: Orology
Correct Answer: Corbett
Correct Answer: Red and green
Correct Answer: Thermosphere
Correct Answer: below freezing point
Correct Answer: wood in absence of air
Correct Answer: Skin cancer
Correct Answer: Smoke and fog
Correct Answer: Aphelion
Correct Answer: rice cultivation
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