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Class 9 Biology · Chapter 6 · Test 5

Biomolecules Full Test

25 MCQs covering DNA, RNA, transcription, translation, proteins, lipids, carbohydrates, metabolism, and the major functions of biomolecules.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    RNA is generally:

    • ADouble-stranded
    • BSingle-stranded
    • CTriple-stranded
    • DWithout nucleotides
    Show answer

    Answer: B

    The textbook states that RNA is single-stranded.

  2. Question 2

    The sugar present in RNA is:

    • ADeoxyribose
    • BRibose
    • CGlucose
    • DFructose
    Show answer

    Answer: B

    The textbook states that RNA contains ribose sugar.

  3. Question 3

    Which set represents the nitrogenous bases of RNA?

    • AA, T, C and G
    • BA, U, C and G
    • CA, T, U and G
    • DT, U, C and G
    Show answer

    Answer: B

    The textbook states that RNA contains adenine, uracil, cytosine and guanine.

  4. Question 4

    Which type of RNA carries genetic information from DNA to the ribosome?

    • AmRNA
    • BtRNA
    • CrRNA
    • DDNA
    Show answer

    Answer: A

    The textbook states that mRNA carries genetic information from DNA to the ribosome for protein synthesis.

  5. Question 5

    What is the main function of tRNA described in the textbook?

    • ATransfers specific amino acids to the ribosome
    • BCarries genetic information from DNA to the ribosome
    • CForms the DNA double helix
    • DStores glucose in cells
    Show answer

    Answer: A

    The textbook states that tRNA transfers specific amino acids to the ribosome in the correct sequence.

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