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plants - biology Previous Year Asked Questions with Answers (English) - ObjectiveMCQ

biology

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Diseases
- Vitamins
Human Body
- Circulatory System
- Nervous System
Plants
- Respiration

Subjectsbiologyplants

plants in biology : PYQs with Answers

1 questions · Page 1 of 1

SSC CGL 2021Plants

1.

Which gas is absorbed and which is released by plants during respiration?

A

O₂ absorbed, CO₂ released

B

CO₂ absorbed, O₂ released

C

N₂ absorbed, O₂ released

D

O₂ absorbed, N₂ released

Correct Answer:

A — O₂ absorbed, CO₂ released

Explanation:

During respiration, plants (like animals) absorb O₂ and release CO₂. This is the reverse of photosynthesis.