Question 23 - MCQs from NCERT Exemplar - Chapter 6 Class 10 - Life Processes

Last updated at July 19, 2026 by

Oxygen liberated during photosynthesis comes from

(A) water

(B) (b) chlorophyll

(C) (c) carbon dioxide

(D) (d) glucose

 

Answer.:

Photosynthesis is a process by which green plants make their own food.

During photosynthesis, the water is oxidised to liberate oxygen gas.

Reaction for Photosynthesis-01.jpg

So, the correct answer is (a) water

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