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ICSE Class 10 Biology Question 3 of 30

Model Question Paper 2 — Question 7

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7
Question

Question 1(vii)

In the process of photosynthesis, the substance which is reduced is :

  1. Glucose
  2. Oxygen
  3. Water
  4. Carbon dioxide
Answer

Carbon dioxide

Reason — In the process of photosynthesis, the substance which is reduced is Carbon dioxide as oxygen is removed from it and the carbon is used in the formation of glucose.