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Biology · 2023 · 3 marks
CBSE 2023 · Region 5 · Set 1 · Q28
"Biodiversity plays a major role in many ecosystem services that nature provides." (a) Describe any two broadly utilatarian arguments to justify the…
"Biodiversity plays a major role in many ecosystem services that nature provides."
(a)
Describe any two broadly utilatarian arguments to justify the given statement.
(b)
State one ethical reason of conserving biodiversity.
Marking-scheme solution
(a) Oxygen production, pollination, aesthetic pleasure of thick woods and flowers, bird watching, mitigate droughts and floods, cycle nutrients, generate fertile soils, provide wildlife habitat, maintain biodiversity, provide storage site for carbon, provide aesthetic/ cultural/ spiritual values
(b) Philosophical or spiritual realisation that every species has an intrinsic value / Moral duty to care for their well-being / pass on our biological legacy in good order to future generations.
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CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.