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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Long Answer Question. Do Plants Need Oxygen? If So, What is Its Source? - Biology

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प्रश्न

Long answer question.

Do plants need oxygen? If so, what is its source?

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उत्तर

Yes, plants need oxygen, all the free oxygen in the atmospheric air is the result of photosynthesis. No animal can survive without oxygen as it is needed for respiration. Even the plants use the same oxygen in dark for their own respiration.

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पाठ 4: Photosynthesis and Respiration - Review questions

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सेलिना Concise Biology [English] Class 7 ICSE
पाठ 4 Photosynthesis and Respiration
Review questions | Q 3
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