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Class 9 Biology · Chapter 5 · Test 1

Levels of Organization

25 MCQs on levels of biological organization, emergent properties, cells, tissues, organs, organ systems, and organisms.

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 smallest unit of matter that maintains the properties of an element?

    • AAtom
    • BMolecule
    • COrganelle
    • DCell
    Show answer

    Answer: A

    The textbook defines an atom as the smallest unit of matter that maintains the properties of an element.

  2. Question 2

    Which of the following is given as an example of an atom?

    • AWater
    • BProtein
    • CCarbon
    • DMitochondria
    Show answer

    Answer: C

    Carbon is given as an example of an atom.

  3. Question 3

    Atoms combine to form:

    • ACells
    • BMolecules
    • CTissues
    • DOrgans
    Show answer

    Answer: B

    The textbook states that atoms combine to form molecules.

  4. Question 4

    Which of the following is an example of a molecule mentioned in the textbook?

    • ACarbon
    • BWater
    • CMitochondria
    • DHeart
    Show answer

    Answer: B

    Water is given as an example of a molecule.

  5. Question 5

    Molecules combine in ways to make the:

    • ATissue level
    • BOrgan level
    • CSubcellular level
    • DOrganism level
    Show answer

    Answer: C

    The textbook identifies the organelle as the subcellular level.

More tests in Tissues, Organs, and Organ Systems

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