NEET 2020 · Class 11

Biological Classification

Which of the following is correct about viroids?

  1. (A)They have free RNA without protein coat
  2. (B)They have DNA with protein coat
  3. (C)They have free DNA without protein coat
  4. (D)They have RNA 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 'a free RNA; it lacked the protein coat', which directly matches option A's description of 'free RNA 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 2020 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.