A
Burning crop residue in-situ to quickly clear fields for the next sowing cycle
B
Removing crop residue directly from agricultural fields for industrial uses like biomass pelleting and bio-ethanol
C
Managing crop residue inside the field using machinery like Happy Seeders
D
Leaving crop residue to decompose naturally without any human intervention
Correct answer: (b) Removing crop residue directly from agricultural fields for industrial uses like biomass pelleting and bio-ethanol
Explanation
Option B is correct because ex-situ management involves removing residue from the field for external industrial utilization. Option C describes in-situ management, while Options C and D do not represent ex-situ processing.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
-
2026 · Q10 · General Studies · 2 marks
Consider the following statements about the Rigvedic period: I. Irrigation from wells allowed agriculture to expand away from flood plains and strips on river margins into the present Punjab and Haryana plains having underground water levels reasonably close to the surface. II. Draught-animal power was employed to draw up water out of the wells. Which of the following information support/supports the above statements? 1. There is evidence in the Rigveda of the use of ashma chakra (stone pulley wheel) and ahava (strapped wooden pails) to draw up water. 2. Mention has been made in the Rigveda of the use of implements like parashu/kulisha (axe) and datra/sreni (sickle). 3. There is a history of the use of ox, even before the Rigveda, for ploughing the land and pulling the carts -
2020 · Q48 · General Studies · 2 marks
Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products made of polyurethane Select the correct answer using the code given below: -
2020 · Q83 · General Studies · 2 marks
What is/are the advantage/ advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without burning the residue of previous crop. 2. Without the need for 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: -
2019 · Q35 · General Studies · 2 marks
Consider the following: 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into atmosphere due to the burning of crop/biomass residue? -
2015 · Q7 · GS II · 12 marks
Does the right to clean environment entail legal regulation on burning crackers during Diwali? Discus in the light of Article 21 of Indian Constitution and judgements of the apex in this regard.