Which of the following is not RNA molecule?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → q-RNA
Ribonucleic acid (RNA) is a single-stranded nucleic acid containing the sugar β-D-ribose and the bases adenine, guanine, cytosine and uracil. Its main job is protein synthesis; the message for a protein is stored in DNA, but the protein is made with the help of RNA.
Option (1) m-RNA — An RNA molecule. Messenger RNA carries the genetic code from DNA to the ribosome.
Option (2) r-RNA — An RNA molecule. Ribosomal RNA forms part of the ribosome, where the protein chain is built.
Option (3) q-RNA — Not an RNA molecule. There is no RNA of this name; the three types are mRNA, rRNA and tRNA.
Option (4) t-RNA — An RNA molecule. Transfer RNA brings the correct amino acid to the ribosome.
NCERT (2026-27 edition):
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