in case of respiration of plants, they use stomata. but are there certain stomatas that let in oxygen and release carbon dioxide?

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Solution

Carbon dioxide is released and oxygen is consumes from stomata all throughout the day and night during respiration (as plants respire during day and night).
It is photosynthesis, during which the plants consume carbon dioxide and release oxygen during day time.

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Q. State whether the following statements are true or false.

Statement 1: During respiration, humans and animals take in carbon dioxide and release oxygen.

Statement 2: During photosynthesis, plants utilise carbon dioxide and release oxygen.

Q. Case: Transpiration is the evaporative loss of water by plants. It occurs mainly through the stomata in the leaves. Besides the loss of water vapour in transpiration, exchange of oxygen and carbon dioxide in the leaf also occurs through pores called stomata. Normally stomata remain open during the day and close at night.

Based on the above case answer the following question:

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening, carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of the following options.

How plants do photosynthesis and respiration at the same time in the day as in respiration,oxygen is inhaled and carbon dioxide is exhaled and in photosynthesis,carbon dioxide is inhaled and oxygen is exhaled.So they are opposite.So how do they carry out both the processess at the same time?

Q. Statement 1: Plants take up carbon dioxide and release oxygen in the presence of light.
Statement 2: Plants respire all the time.

Q. Case: Transpiration is the evaporative loss of water by plants. It occurs mainly through the stomata in the leaves. Besides the loss of water vapour in transpiration, exchange of oxygen and carbon dioxide in the leaf also occurs through pores called stomata. Normally stomata remain open during the day and close at night.

Based on the above case answer the following question:

Which of the following statements is not true for stomatal apparatus?

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in case of respiration of plants, they use stomata. but are there certain stomatas that let in oxygen and release carbon dioxide?

Carbon dioxide is released and oxygen is consumes from stomata all throughout the day and night during respiration (as plants respire during day and night). It is photosynthesis, during which the plants consume carbon dioxide and release oxygen during day time.

Carbon dioxide is released and oxygen is consumes from stomata all throughout the day and night during respiration (as plants respire during day and night).
It is photosynthesis, during which the plants consume carbon dioxide and release oxygen during day time.