Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Biomolecules

Question:

Type of RNA which does not exist is

Options:

m-RNA

s-RNA

r-RNA

t-RNA

Correct Answer:

s-RNA

Explanation:

The correct answer is Option (2) → s-RNA

The main types of RNA found in cells are:

  • m-RNA (messenger RNA) – carries genetic information
  • t-RNA (transfer RNA) – brings amino acids during protein synthesis
  • r-RNA (ribosomal RNA) – forms ribosomes

There is no standard RNA type called s-RNA in basic biology classification.