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.Where does the light reaction of photosynthesis take place?
- a.Stroma
- b.Cytoplasm
- c.Thylakoids
- d.Nucleus
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2.(iii) An alternative chemical that can be used instead of KOH is :
- A.Sodium hydroxide.
- B.Sodium chloride.
- C.Potassium chloride.
- D.Potassium permanganate.
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3.A plant physiologist is investigating the effects of de-starching on a plant. The plant is treated to remove stored starch from certain parts before conducting experiments on photosynthesis. A de-starched plant is one whose:
- A.leaves are free from chlorophyll
- B.aerial parts are free from starch
- C.leaves are free from starch
- D.plant is free from starch
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4.164. 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
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5.Industrial melanism, observed during the industrial revolution, involved a specific organism developing darker coloration to better camouflage in polluted environments. The organism studied for Industrial melanism was a
- A.Moth
- B.Butterfly
- C.Honey bee
- D.Cockroach
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