ICSE Class 10 Plant Growth and Development — Mock Test (2027)
Free online mock test for Plant Growth and Development (ICSE Class 10 Botany) — 74 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 Plant Growth and Development 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.If you forget to add cytokinin to a tissue culture medium that already contains auxin, the most likely consequence is:
- A.Rapid shoot proliferation
- B.Poor cell division and failure to produce new shoots/leaves
- C.Immediate flowering
- D.Stomatal closure
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2.Assertion (A): Increase in protoplasm is the actual basis of growth at the cellular level. Reason (R): Growth is measured directly by estimating the amount of protoplasm in the cell.
- A.Both A and R are true and R is the correct explanation of A
- B.Both A and R are true but R is NOT the correct explanation of A
- C.A is true but R is false
- D.A is false but R is true
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3.Which plant growth regulator would you use to induce rooting in a twig?
- A.Auxin
- B.Abscisic acid
- C.Ethylene
- D.Cytokinin
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4.The inhibition of the growth of lateral (axillary) buds by the growing apical bud is called:
- A.Vernalisation
- B.Apical dominance
- C.Parthenocarpy
- D.Bolting
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5.To quickly ripen a fruit you would apply ethylene. If instead a rotten fruit gets mixed with unripe fruits, the most likely outcome is that:
- A.The unripe fruits remain unripe longer
- B.The unripe fruits ripen faster due to ethylene released by the rotting fruit
- C.The unripe fruits stop respiring
- D.The unripe fruits develop seed dormancy
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