NEET 2017 · Class 11

Biological Classification

Viroids differ from viruses in having

  1. (A)DNA molecules without protein coat
  2. (B)RNA molecules with protein coat
  3. (C)RNA molecules without protein coat
  4. (D)DNA molecules with protein coat

The NCERT line that answers it

Verbatim line

It was found to be a free RNA; it lacked the protein coat that is found in viruses, hence the name viroid.

Chapter
Biological Classification
Section
2.6 VIRUSES, VIROIDS, PRIONS AND LICHENS
Page
11
Words matched
22 of 22

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 viroids are 'a free RNA' that 'lacked the protein coat that is found in viruses', which directly matches option C (RNA molecules without protein coat) and distinguishes it from all 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 2017 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.