CBSE 2024 · Region 5 · Set 1 · Q19 · 2 marks
Observe the population growth curve and answer the questions given below :
(a)State the conditions under which growth curve ‘A’ and growth curve ‘B’ plotted in the graph are possible.(b)Mention what does ‘K’ in the graph represent.
Observe the population growth curve and answer the questions given below :
(a)
State the conditions under which growth curve ‘A’ and growth curve ‘B’ plotted in the graph are possible.
(b)
Mention what does ‘K’ in the graph represent.
Marking-scheme solution
(a)
Growth curve ‘A’ – unlimited resources (food and space) or limited competition or in absence of checks or in absence of environmental resistance
Growth curve ‘B’ – limited resources or more competition or in presence of checks or in presence of environmental resistance
(b)
‘K’ is the carrying capacity or maximum number of individuals of a population a given habitat can accommodate (beyond which no further growth is possible).
Organisms and PopulationsPopulationsUnderstandvery_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.