NEET 2026 (cancelled) · Question 96 · Class 12

Biodiversity and Conservation

Since the origin and diversification of life on Earth, there have been five episodes of mass extinction of species. How is the sixth extinction, which is in progress, different from the previous episodes ?

  1. (A)The current species extinction rates are far lower than those in previous episodes.
  2. (B)The present species extinction rates are 100 to 1000 times faster than in the pre-human times.
  3. (C)The present net species extinction rate is zero.
  4. (D)The current species extinction rate is nearly 10 times faster than that in previous episodes.

The NCERT line that answers it

Verbatim line

The difference is in the rates; the current species extinction rates are estimated to be 100 to 1,000 times faster than in the pre-human times and our activities are responsible for the faster rates.

Chapter
Biodiversity and Conservation
Section
13.1.4 Loss of Biodiversity
Page
6
Words matched
34 of 34

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

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that current extinction rates are 100 to 1,000 times faster than pre-human times, which directly matches option B and distinguishes it from other options.

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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.