Which gas is released by plants during the ‘Night’?
ACarbon Dioxide
BMethane
COxygen
DNitrogen
Explanation
• Plants respire at night, just like animals.
• They take in oxygen and release carbon dioxide.
• This is a metabolic necessity for cellular maintenance.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers
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