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Question

Which molecule is primarily responsible for storing genetic information in most living organisms?

This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is

DNA

DNA (Deoxyribonucleic Acid) is the molecule primarily responsible for storing genetic information in most living organisms.

RNA, protein and lipid perform other important biological functions, but DNA is the primary long-term repository of genetic information.

Hence, DNA is the correct answer.

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Similar Questions

  1. Consider the following vitamins.
    1. Vitamin D
    2. Vitamin B12
    3. Vitamin K
    4. Vitamin C
    Which of them are water soluble?
  2. Which type of sugar is responsible for sweetening in fruits?
  3. ______ is a sulphur containing amino acid.
  4. Glucose has ______ carbon molecules.
  5. Read the following and answer the question based on it. 

    Proteins are used by the body for energy, metabolism, gene growth and maintenance. 10 to 35 percent of the daily calorie intake should ideally consist of proteins. They are found in all cells of the body. Hair and nail are made up of a protein called keratin, having sulphur bonds. Curlier hair has more sulphur links. Too much intake of proteins can sometimes lead to body weight. 

    Proteins _______________

  6. Which of the following is included among the water-soluble vitamins collectively grouped together in a specific vitamin class known as vitamin B complex?

  7. DNA and RNA are polymers made of long chains of ______.


Important Questions from Biomolecules

  1. Which one of the following statements about fertilizers is not correct?
  2. Which one of the following organelles of mammalian cells is rich in hydrolytic enzymes?

  3. A typical adult human body contains about ________ of magnesium.

  4. Match Column - A with Column - B.

    Column-A (Vitamin)

    Alternative name

    i.

    Vitamin A

    a.

    Ascorbic acid

    ii.

    Vitamin B12

    b.

    Retinol

    iii.

    Vitamin C

    c.

    Cobalamin

    iv.

    Vitamin D

    d.

    Ergocalciferol

  5. Capsaicinoids, carotenoids, phenolics, and vitamins are dominant chemicals in which of the following foods?

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