Sample Questions — Populations
Try 5 questions below from Populations. Get all 137 in the MedicNEET app.
MCQ
In the equation dN/dt = rN, what does 'r' represent?
✅ Correct Answer: A
'r' is the per capita growth rate and indicates the potential growth capacity of a population.
MCQ
Which of the following is not a possible interaction between two species?
✅ Correct Answer: D
In nature, most species interact. The main types include mutualism, competition, parasitism, etc. Complete non-interaction is rare.
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MCQ
In a logistic growth curve (sigmoid), the inflection point represents:
✅ Correct Answer: C
In logistic growth, the inflection point marks the fastest growth before the effects of environmental resistance set in.
MCQ
Which of the following is a case where number is not a good measure of population size?
✅ Correct Answer: C
In such cases, percent cover or biomass is more meaningful than mere number.
MCQ
Which statements about parasites and hosts are correct?
I. Most parasites are host-specific.
II. Parasites usually have simplified anatomical features.
III. Parasites increase the growth rate of the host.
IV. Parasites often involve multiple intermediate hosts
✅ Correct Answer: B
I – True: Parasites tend to co-evolve with specific hosts.
II – True: Due to reliance on hosts, they lose unnecessary organs.
III – False: They harm growth, reproduction, and survival.
IV – True: Many have complex life cycles (e.g., liver fluke).
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