CBSE 2024 · Region 3 · Set 1 · Q21 · 2 marks
Write important features of 'humus' formed during the decomposition cycle in a terrestrial ecosystem.(b)Graphically represent the relationship between species richness and area on a log-log scale for bats and fishes.(ii)Write the equation for the relationship as on a logarithmic scale.
Write important features of 'humus' formed during the decomposition cycle in a terrestrial ecosystem.
(b)
Graphically represent the relationship between species richness and area on a log-log scale for bats and fishes.
(ii)
Write the equation for the relationship as on a logarithmic scale.
Marking-scheme solution
Humus – Dark coloured, amorphous, highly resistant to microbial activities, undergoes
decomposition at slow rate, colloidal, reservoir of nutrients.
(b)
(ii)
Log S = Log C + Z Log A
EcosystemDecompositionUnderstandvery_short_answermedium
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.