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 of the following is a plant hormone?
- A.Thyroxine
- B.Insulin
- C.Oestrogen
- D.Cytokinin
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2.How do plants perform physiological activities despite lacking a nervous system?
- A.Through electrical impulses transmitted via specialized cells.
- B.By using hormones, including growth promoters and inhibitors.
- C.Via direct communication between root and shoot systems.
- D.Through mechanical movements triggered by wind or touch.
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3.Stems are :
- A.positively geotropic and negatively phototropic
- B.positively geotropic and positively phototropic
- C.negatively phototropic and negatively geotropic
- D.negatively geotropic and positively phototropic
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4.Why can one rotten orange spoil an entire basket of oranges?
- A.The rotten orange releases ethylene gas, which diffuses and accelerates ripening in others.
- B.The rotten orange attracts insects that spread decay to nearby oranges.
- C.The rotten orange absorbs nutrients from surrounding oranges, causing them to spoil.
- D.The rotten orange releases a toxic liquid that contaminates the basket.
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5.A sunflower plant bends towards the sun. It is ________response.
- A.Thigmonastic
- B.Photonastic
- C.Thermonastic
- D.Seismonastic
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