NEET BIOLOGY

Detailed explanation-1: -Respiration must not be mistaken for photosynthesis. Respiration occurs all through the day, but the photosynthesis process occurs in the daytime, in the presence of sunlight only. Consequently, respiration becomes evident at night time in plants.

Detailed explanation-2: -Plants respire in both day and night same as human being and photosynthesis only occurs during the day.

Detailed explanation-3: -Respiration takes place during both day and night.

Detailed explanation-4: -These plants do release some oxygen at night when the stomata open and the oxygen can escape. Carbon dioxide is not released during photosynthesis, but small amounts of that gas are emitted both day and night as a by-product of cellular respiration.

Detailed explanation-5: -(ii) Plants carry out photosynthesis only during the day and respiration only at night.