Why was the apparatus holding the plant covered with a dark cloth in this experiment?

to decrease the temperature

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to make the plant produce more food

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just to improve the aesthetics

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to stop photosynthesis completely

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Solution

The correct option is D
to stop photosynthesis completely

The apparatus was covered so as to cut the supply of light to the plant. In the presence of the sunlight, photosynthesis may occur which can use up the carbon dioxide formed in the experiment and convert it back to oxygen.

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Q. Photosynthesis is the process by which a plant makes food. What does this process produce?

A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.

(a) What aspect of photosynthesis was being tested ?

(b) Why was the plant placed in the dark before beginning the experiment ?

(1) boiled in water (2) boiled in methylated spirit.

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(e) Draw a neat diagram of a chloroplast and label its parts.

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Why was the apparatus holding the plant covered with a dark cloth in this experiment?

The correct option is D to stop photosynthesis completely The apparatus was covered so as to cut the supply of light to the plant. In the presence of the sunlight, photosynthesis may occur which can use up the carbon dioxide formed in the experiment and convert it back to oxygen.

The correct option is D
to stop photosynthesis completely

The apparatus was covered so as to cut the supply of light to the plant. In the presence of the sunlight, photosynthesis may occur which can use up the carbon dioxide formed in the experiment and convert it back to oxygen.