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Biology · 2022 · 3 marks
CBSE 2022 · Region 2 · Set 2 · Q12
Given below is a picture of a natural large habitat that is being continuously broken into smaller patches. This process is continuing, increasing…
Given below is a picture of a natural large habitat that is being continuously broken into smaller patches. This process is continuing, increasing and expanding over time due to human impact, thereby posing a great risk to the existence of species in the habitat.
(a)
Do you agree with the above statement? Give two suitable reasons in support of your answer.
(b)
Write the ecological term used for such patches formed in an original habitat.
Marking-scheme solution
(a) ● Yes
species / mammals / birds / migratory birds which require large territories (are badly affected), leading to decline of population.Degradation of habitats by fragmentation threatens the survival of many
(b) Fragments / Fragmentation
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CBSE Class 12 Biology past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.