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Question

Which of these is an odd one out?

This question was previously asked in
SSC CGL 2025 Tier 2 Paper 1 Question Paper (19-Jan-2026)
The correct answer is

DNA

ATP (Adenosine Triphosphate), Glucose, and NADH are all directly involved in cellular energy metabolism:

ATP is the universal energy currency of cells; Glucose is the primary fuel molecule; NADH is an electron carrier in cellular respiration that carries energy.

DNA (Deoxyribonucleic Acid) is the genetic material — it stores hereditary information and is not an energy molecule. Hence DNA is the odd one out.

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