CBSE 2022 · Region 1 · Set 2 · Q7 · 3 marks
(a)What does the equation $\displaystyle \mathrm{dN} / \mathrm{dt}=\mathrm{rN}$ express in terms of population growth ?(b)Write the significance of 'r' in a population survey.
(a)
What does the equation $\displaystyle \mathrm{dN} / \mathrm{dt}=\mathrm{rN}$ express in terms of population growth ?
(b)
Write the significance of 'r' in a population survey.
Marking-scheme solution
(a) It indicates exponential / geometric growth
(b) Assesses impact of biotic and abiotic factors on population growth, indicates intrinsic rate of natural increase
Organisms and PopulationsPopulationsUnderstandshort_answermedium
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CBSE Class 12 Biology past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.