NEET Previous Year Question
If ‘+’ sign is assigned to beneficial interaction, ‘−’ sign to detrimental and ‘0’ sign to neutral interaction, then the population interaction represent by ‘+’ ‘−’ refers to
Topic: NEET PYQ
Answer: C. Full step-by-step solution below.
- AAmensalism
- BCommensalism
- CParasitism
- DMutualism
Correct answer: C
Solution
(c) In a (+ , −) interaction, one species benefits while the other is harmed, which is characteristic of parasitism (also true for predation, but among the given options, parasitism fits best).More Organisms & Populations PYQs
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