2. Questions Bank
  3. 12th Class
  4. Chemistry
  5. Biomolecules / जैव-अणु

12th Class Chemistry Biomolecules / जैव-अणु Question Bank MCQs - Biomolecules

  • question_answer
    Which is not the correct statement about RNA and DNA?

    A) DNA is active in virus whereas RNA never appears in virus

    B) DNA exists as dimer while RNA is usually single-stranded

    C) DNA contains deoxyribose as its sugar and RNA contains ribose

    D) RNA contains uracil in place of thymine (found in DNA) as a base

    Correct Answer: A

    Solution :

    [a]
    A retrovirus is a RNA virus that is duplicated in a host cell.
    \[\therefore \] Statement is incorrect and rest all statement are correct.


You need to login to perform this action.
You will be redirected in 3 sec spinner