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Question
Differentiate between
excretion and transpiration
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Solution
| Excretion | Transpiration | ||
| 1 | It is the process of removing or getting rid of waste matter from the body. | 1 | It is the process of losing excess water from aerial plant parts in the form of water vapour. |
| 2 | Excretion rate is independent of the time of the day. | 2 | The rate of transpiration is more during the day. |
| 3 | All living beings have special organs called excretory organs to get rid of their harmful wastes. | 3 | Plants lose water through stomata and lenticels. |
| 4 | It occurs both in plants and animals. | 4 | It occurs only in plants. |
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The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person’s life, the blood from an artery in the person’s arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person’s blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for circulation. |
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