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Photosynthesis in Autotrophs

The loss of w...

Question

The loss of water through the cuticles present in the leaf is known as ___.

A

Stomatal transpiration

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B

Cuticular transpiration

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C

Areolar transpiration

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D

None of the above

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Solution

The correct option is B
Cuticular transpiration

The loss of water through the cuticles present in the leaf is known as cuticular transpiration.A plant cuticle is a protecting film covering the epidermis of leaves.

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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?

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.

Q. The path of water in stomatal transpiration is

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 is not a purpose of transpiration?

Q. Identify the structure through which cuticular transpiration happens.

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