Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Which of the following bases is not present in DNA?

Options

  1. AAdenine
  2. BUracil
  3. CCytosine
  4. DGuanine

Correct answer

B. Uracil

Step-by-step solution

The bases present in DNA are: Adenine, Guanine, Cytosine and Thymine. Hence Uracil is not present in D.N.A. Uracil is present in R.N.A.

Practice Biomolecules on Quantrex Academy →

More from Biomolecules

What type of sugar is the stachyose? 2026What is the number of stereo structure of glucose? 2026Which of the following is having largest size? 2026Which of the following is non reducing sugar? 2026Which of the following exists as a zwitter ion ? 2026Which of the following is a disaccharide ? 2026Name the polymer in which chains are formed by -1,4-glycosidic linkages between -glucose units and branches are formed by -1,6-glycosidic linkages. 2026Match List I with List II List I (CARBOHYDRATE) List II (TYPE) (A). Glycogen (I). Oligosaccharide (B). Stachyose (II). Monosaccharide (C). Ribose (III). Polysaccharide Choose the c 2026 Full Biomolecules list All NTA Abhyas NEET PYQs