NEET 2014 · Class 11

Cell Cycle and Cell Division

In 'S' phase of the cell cycle (2014)

  1. (A)amount of DNA doubles in each cell
  2. (B)amount of DNA remains same in each cell
  3. (C)chromosome number is increased
  4. (D)amount of DNA is reduced to half in each cell

The NCERT line that answers it

Verbatim line

S phase marks the phase of DNA replication and chromosome duplication.

Chapter
Cell Cycle and Cell Division
Section
10.5 SIGNIFICANCE OF MEIOSIS
Page
9
Words matched
11 of 11

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 'S phase marks the phase of DNA replication and chromosome duplication,' which directly indicates that DNA amount doubles during S phase, matching option A.

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Question text is reproduced from the published NEET 2014 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.