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NEET Zoology Organisms and Populations 2026 NEET 2026 (Cancelled)

NEET Zoology Question (2026) — Solution

Question

Choose the correct statements regarding population interactions between two species. A. In both parasitism and commensalism, only one species benefits and the other species is harmed. B. Both species benefit in mutualism. C. Both species benefit in commensalism. D. In parasitism, only one species benefits and the other species is harmed. E. In amensalism, one species is harmed and the other is unaffected. Choose the correct answer from the options given below :

Options

  1. A. B and E only
  2. B. A and B only
  3. C. B, D and E only
  4. D. A and D only

Answer

C. B, D and E only

Step-by-step solution

In mutualism, both species benefit from the interaction (+, +). In commensalism, one species benefits and the other is neither harmed nor benefited (+, 0). In parasitism, one species benefits and the other is harmed (+, -). In amensalism, one species is harmed and the other is unaffected (-, 0). Therefore, statements B, D, and E are correct. Answer: B, D and E only

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