ICSE Class 10 Chemical Coordination in Plants — Mock Test (2027)
Free online mock test for Chemical Coordination in Plants (ICSE Class 10 Biology) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Chemical Coordination in Plants chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Which one of the following plant hormones is responsible for phototropism in plants?
- A.Cytokinin
- B.Auxin
- C.Ethylene
- D.Gibberellins
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2.Rohit wants to measure the growth in length of a plant for his project. The device used for this is:
- A.Sphygmomanometer
- B.Manometer
- C.Auxanometer
- D.None of these
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3.What causes the sunflower head to point toward the sun?
- A.Auxin accumulates on the shaded side, causing faster growth and curvature toward light.
- B.The sunflower stem hardens on the sunlit side, forcing the head to bend.
- C.The sunflower head is pulled by magnetic forces from the sun.
- D.The roots grow toward the sun, tilting the entire plant.
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4.Assertion (A): Abscisic acid promotes stomatal closure during a drought. Reason (R): Abscisic acid helps the plant to conserve water during stress. Which of the following is correct?
- A.(A) is true and (R) is false.
- B.(A) is false and (R) is true.
- C.Both (A) and (R) are true and (R) is the correct explanation of (A).
- D.Both (A) and (R) are false.
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5.While auxins and gibberellins promote growth in plants, which hormone has an inhibitory effect on stem and root elongation?
- A.Cytokinin
- B.Ethylene
- C.Abscisic acid
- D.Florigen
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