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.What is the primary acceptor of atmospheric carbon dioxide in the dark reaction?
- a.RuBP (Ribulose-1,5-bisphosphate)
- b.ATP
- c.NADP
- d.Chlorophyll
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2.(i) What is the aim of the experiment?
- A.To show that oxygen is released during Photosynthesis.
- B.To show that Photosynthesis occurs in the presence of KOH.
- C.To show that chlorophyll is necessary for Photosynthesis.
- D.To show that carbon dioxide is necessary for Photosynthesis.
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3.Why do enzymes involved in photosynthesis require an optimum temperature?
- A.To prevent denaturation
- B.To increase water absorption
- C.To reduce oxygen production
- D.To slow down glucose synthesis
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4.256. The specific function of light energy in photosynthesis is to
- A.Synthesize glucose
- B.activate chloroplast
- C.split water
- D.reduce carbon dioxide
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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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