CBSE 2023 · Region 3 · Set 3 · Q21 · 2 marks
On August $\displaystyle 22$ in the year $\displaystyle 2022$, $\displaystyle 3358$ fires were detected in the Amazon rainforests. Write one short-term and one long-term effect of this event on the biotic and abiotic components of the environment.
Marking-scheme solution
Short-term; Death of organisms / habitat loss of migratory animals/Food loss/Green cover loss/Pollution/ any other correct effect.
Long term: fragmentation of habitat/ effects of pollution/ population decline/important links in food chains disappear leading to imbalances in biodiversity/any other correct effect.
Biodiversity and ConservationBiodiversity ConservationUnderstandvery_short_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 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.