(b) If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring ? Justify your answer.

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Solution

A plant is releasing carbon dioxide and taking in oxygen during the day indicates that the plant is respiring; it does not mean that there is no photosynthesis occurring in the plant. Both the process are independent and occurs simultaneously.

Respiration is the process of oxidation of food substances that release carbon dioxide and takes place throughout the day.

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Q. Plants take in carbon dioxide for photosynthesis during the day. Do they also use oxygen during the day? Justify your answer.

Question 40
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.

Q. (a) What would happen if all the green plants disappear from the earth?
(b) If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.

Q. If a plant is releasing carbon dioxide and taking in oxygen during the day, This means that there is no photosynthesis occurring during the day time.

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.

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