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Similar Questions
2020
Exam:UPSC CSE
Paper:Prelims GS
Topic:ENVIRONME NT
Difficulty:medium

What is/are the advantage/advantages of zero tillage in agriculture?

  1. Sowing of wheat is possible without burning the residue of the previous crop.
  2. Without the need for a nursery of rice saplings, direct planting of paddy seeds in the wet soil is possible.
  3. Carbon sequestration in the soil is possible.
    Select the correct answer using the code given below:
2014
Exam:UPSC CSE
Paper:Prelims GS
Topic:Geography
Difficulty:medium

In India, the problem of soil erosion is associated with which of the following?

  1. Terrace cultivation
  2. Deforestation
  3. Tropical climate
    Select the correct answer using the code given below.
2022
Exam:UPSC CSE
Paper:Prelims GS
Topic:Environme nt
Difficulty:medium

Which of the following are nitrogen-fixing plants?

  1. Alfalfa
  2. Amaranth
  3. Chickpea
  4. Clover
  5. Purslane (Kulfa)
  6. Spinach
    Select the correct answer using the code given below:
2017
Exam:UPSC CSE
Paper:Prelims GS
Topic:Current<br>Affairs
Difficulty:medium

Consider the following statements:

  1. The nation-wide 'Soil Health Card Scheme' aims at expanding the cultivable area under irrigation.
  2. Enabling the banks to assess the quantum of loans to be granted to farmers on the basis of soil quality.
  3. Checking the overuse of fertilizers in farmlands.
    Which of the above statements is/are correct?
2017
Exam:UPSC CSE
Paper:Prelims GS
Topic:Environment
Difficulty:medium

In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique?

  1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
  2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.
  3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation.
    Select the correct answer using the code given below:
Q. 82
DiscussAttempt
UPSC CSE • 2015 • PRELIMS GS
Environment
Medium

What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture?

  1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
  2. Increase in the acidity of soil can take place.
  3. Leaching of nitrate to the groundwater can occur.
    Select the correct answer using the codes given below.

A

1 and 3 only

B

2 only

C

2 and 3 only

D

1, 2, and 3

Kepler. Discussing PYQs. Q.no. 82