CBSE 2025 · Region 4 · Set 1 · Q28 · 3 marks
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
Biodiversity and ConservationBiodiversityRemembershort_answermedium
More from Biodiversity and Conservation
- Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.…2022 · asked 3×
- Given below is a pie chart representing global diversity of vertebrates. Redraw the pie chart identifying the…2024 · asked 3×
- According to a recent wildlife report, the biggest threat to the tiger's survival in Mudumalai Tiger Reserve…2025 · asked 3×
- India has only 2.4% of the world's land area but its share of the global species diversity is:2025 · asked 3×
- Tropical regions harbour more species than the temperate regions. How have biologists tried to explain this…2024 · asked 3×
- Which of the following sacred groves is found in Meghalaya?2026 · asked 3×
- There are many animals, which have become extinct in the wild, but continue to be maintained in zoological…2026 · asked 3×
- Given below is a picture of a natural large habitat that is being continuously broken into smaller patches.…2022 · asked 3×
CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.