NEET 2026 (cancelled) · Question 144 · Class 12

Organisms and Populations

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 :

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

The NCERT line that answers it

Verbatim line

Depending on the outcome, these interactions between two species are classified as competition (both species suffer), predation and parasitism (one benefits and the other suffers), commensalism (one benefits and the other is unaffected), amensalism (one is harmed, other unaffected) and mutualism (both species benefit).

Chapter
Organisms and Populations
Section
11.1.4 Population Interactions
Page
15
Words matched
44 of 44

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=0.8965, combined=0.9379). Verified: high — The span explicitly defines parasitism, commensalism, amensalism, and mutualism, which directly supports statements B and E and refutes A, C, and D.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published NEET 2026 (cancelled) paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.