Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CSE2020
What is the use of biochar in farming ?
- Biochar can be used as a part of the growing medium in vertical farming
- When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms
- When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time
Which of the statements given above is/are correct ?
- A 1 and 2 only
- B 2 only
- C 1 and 3 only
- D 1, 2 and 3 ✓
✓ Correct answer: (D)
Agriculture › Soils & Inputs
CSE1981
Gypsum is added to the soil.
- A To increase the alkalinity
- B To decrease the acidity
- C To decrease the alkalinity ✓
- D As an insecticide
✓ Correct answer: (C)
Agriculture › Soils & Inputs
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