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.How is a plant destarched before a photosynthetic experiment?
- A.By exposing it to bright sunlight for 24 hours
- B.By keeping it in the dark for 48 to 72 hours
- C.By watering it excessively for 2 days
- D.By removing all its leaves
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2.What is the process called where water is split by sunlight during the light reaction of photosynthesis?
- A.Phosphorylation
- B.Photolysis
- C.Carbon fixation
- D.Respiration
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3.What is the function of carotenoids in photosynthesis?
- A.Absorb green light
- B.Protect chlorophyll from photo-oxidation
- C.Produce ATP
- D.Absorb carbon dioxide
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4.What is the primary food product produced by plants during photosynthesis?
- A.Starch
- B.Glucose
- C.Cellulose
- D.Protein
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5.Why is respiration considered the reversal of photosynthesis?
- A.Respiration produces glucose, while photosynthesis breaks it down.
- B.Respiration is a catabolic process, while photosynthesis is an anabolic process.
- C.Respiration occurs in mitochondria, while photosynthesis occurs in chloroplasts.
- D.Respiration releases oxygen, while photosynthesis absorbs it.
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