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Science · 2024 · 2 marks
CBSE 2024 · Region 3 · Set 1 · Q26
What are decomposers ? List two consequences of their absence in an ecosystem.
Marking-scheme solution
Decomposers are the microorganisms that break-down the complex organic substances into simple inorganic substances.
Consequences :
(i)
No replenishment of soil
(ii)
Foul smell
(iii)
Breeding of flies
(iv)
Accumulation of dead plants and animals in the environment.
(v)
No recycling of nutrients
SECTION C
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.