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 source of the oxygen released during photosynthesis?
- A.Carbon dioxide (CO₂)
- B.Water (H₂O)
- C.Glucose (C₆H₁₂O₆)
- D.Chlorophyll molecules
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2.Which molecule acts as the electron acceptor in the light reaction of photosynthesis?
- A.NAD⁺.
- B.NADP⁺.
- C.FAD.
- D.Oxygen.
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3.Where do the light reaction and dark reaction of photosynthesis occur in the chloroplast?
- A.Light reaction: granal thylakoids; Dark reaction: stroma
- B.Light reaction: stroma; Dark reaction: granal thylakoids
- C.Both occur in the granal thylakoids
- D.Both occur in the chloroplast membrane
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4.In which phase of photosynthesis is carbon dioxide fixed into glucose?
- A.Light reaction
- B.Dark reaction
- C.Photolysis
- D.Photorespiration
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5.Oxygen given out in photosynthesis comes from the atmosphere.
- A.Yes
- B.No
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