ICSE Class 10 Photosynthesis — Mock Test (2027)
Free online mock test for Photosynthesis (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 Photosynthesis 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.The specific function of light energy in the process of photosynthesis is to
- A.reduce carbon dioxide.
- B.synthesise glucose.
- C.activate chlorophyll.
- D.split water molecule.
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2.What pigment group primarily absorbs light for photosynthesis?
- A.Chlorophylls
- B.Carotenes
- C.Xanthophylls
- D.Anthocyanins
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3.How do carbon dioxide and oxygen move into and out of a mesophyll cell?
- A.Active transport
- B.Diffusion
- C.Respiration
- D.Transpiration
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4.Which element is not required for the process of photosynthesis?
- A.Light
- B.Carbon dioxide
- C.Water
- D.Nitrogen
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5.Why is oxygen NOT considered a waste product of photosynthesis?
- A.Oxygen is immediately used by the plant for respiration
- B.Oxygen is a by-product used by all organisms for respiration
- C.Oxygen is converted back into CO₂ by the plant
- D.Oxygen is stored in the plant as starch
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