Question

State the methods of excretion in plants?

Answer 1

Methods of excretion on plants are:

1. of water by transpiration.

2. waste products may be stored in vacuoles or may be stored in leaves which fall off.

3. resine and gums are stored in xylem.

4. some waste substance may be excreted in the soil.

5. as by products move out of the plants by diffusion through stomata.

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Answer 2

Carbon dioxide gas produced as a result of respiration is used up during photosynthesis. Thus, the waste released by both photosynthesis and respiration are used up by each other. Leaves have tiny pores called stomata and stems have pores called lenticels through which excess gaseous wastes are sent out.