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 majority of photosynthesis occur on Earth?
- A.In forests
- B.In deserts
- C.In oceans
- D.In mountains
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2.Which of the following correctly distinguishes between respiration and photosynthesis based on oxygen usage, glucose metabolism, and chlorophyll requirement?
- A.Respiration uses O₂ and breaks down glucose; photosynthesis releases O₂ and forms glucose; chlorophyll is required for both.
- B.Respiration releases O₂ and forms glucose; photosynthesis uses O₂ and breaks down glucose; chlorophyll is required for neither.
- C.Respiration uses O₂ and breaks down glucose; photosynthesis releases O₂ and forms glucose; chlorophyll is required for photosynthesis only.
- D.Respiration forms glucose and requires chlorophyll; photosynthesis breaks down glucose and does not require chlorophyll.
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3.Which of the following correctly represents the overall summary chemical equation of photosynthesis?
- A.6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂
- B.6CO₂ + 12H₂O + light energy → C₆H₁₂O₆ + 6O₂ + 6H₂O
- C.C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy
- D.6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂ + light energy
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4.Which plant tissue is responsible for transporting starch from the leaves to all parts of the plant body?
- A.Xylem.
- B.Phloem.
- C.Cortex.
- D.Epidermis.
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5.The diagram shows a plant shoot and the same shoot five hours later.
Which change in environmental conditions could cause this change in the shoot?- A.A decrease in available water
- B.A decrease in light intensity
- C.A decrease in wind speed
- D.An increase in humidity
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