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Class 9 Biology · Chapter 6 · Test 1

Biomolecules and Carbohydrates

25 MCQs on biochemistry, molecular biology, biomolecules, metabolism, carbohydrates, monosaccharides, disaccharides, polysaccharides, sources, and functions.

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

    What is the study of chemical processes that occur within living organisms called?

    • ABiochemistry
    • BEcology
    • CTaxonomy
    • DBiogeography
    Show answer

    Answer: A

    The textbook defines biochemistry as the study of the chemical processes that occur within living organisms.

  2. Question 2

    What does molecular biology study?

    • AThe structure and function of biomolecules
    • BThe classification of organisms
    • CThe movement of organisms
    • DThe structure of ecosystems
    Show answer

    Answer: A

    The textbook states that molecular biology is the study of the structure and function of biomolecules.

  3. Question 3

    Which of the following are included among biomolecules?

    • ACarbohydrates, lipids, proteins, and nucleic acids
    • BOnly carbohydrates and proteins
    • COnly lipids and vitamins
    • DOnly nucleic acids
    Show answer

    Answer: A

    The textbook states that biomolecules include carbohydrates, lipids, proteins, and nucleic acids.

  4. Question 4

    Large biomolecules are commonly called:

    • AMicromolecules
    • BMacromolecules
    • CMinerals
    • DInorganic substances
    Show answer

    Answer: B

    The textbook states that biomolecules are mostly large in size and are called macromolecules.

  5. Question 5

    Which of the following is listed as a function of biomolecules?

    • AThey play crucial roles in the structure and functions of organisms.
    • BThey only provide water.
    • CThey only form minerals.
    • DThey only control temperature.
    Show answer

    Answer: A

    The textbook states that biomolecules play crucial roles in the structure and functions of organisms.

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