The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
(a) water vapour (b) oxygen (c) carbon dioxide (d) all the above
(c) carbon dioxide
Green plants follow the process of photosynthesis so that they can make their own food by using CO2 and water in the presence of sunlight.
So, during the day time if the plant is releasing CO2, then it means photosynthesis is not taking place and only respiration is happening, which is not possible in the daytime because the respiration process in plants occurs in the absence of the sun means at night.
So usually carbon dioxide is not released by the plants during day time.
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