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Biology · 2025 · 3 marks
CBSE 2025 · Region 4 · Set 1 · Q28
Enlist one advantage and two disadvantages of green revolution.
Enlist one advantage and two disadvantages of green revolution.
Marking-scheme solution
• Advantage of Green revolution:
Increase in the production of crops, support more population in terms of food
• Disadvantages of Green revolution:
Use of agrochemicals (fertilisers and pesticides) led to the pollution of soil or water in long run (biomagnification)
Crop management practices such as irrigation is expensive
Agrochemicals were too expensive
Led to increase in soil salinity
Agrochemicals reduce natural soil fertility
Crops become dependent on fertilisers & pesticides
Or any other correct answer
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.