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36 votes
36 votes
7. Why is transpiration important for plants?

8. Draw a labelled diagram of the external structure of a leaf.
9. Name the male part of a flower. Draw its labelled diagram.
10. What are the advantages of dry cells?
11. What is the difference between a conductor and an insulator?
12. What are the two regions of a shadow?
13. What is the difference between a shadow and an image formed by plane mirror?
14. How has cactus modified itself to live in a desert?
15. Draw the structure of a flower and label its parts.

User Jelly Ama
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1 Answer

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22 votes

Answer: The rate at which water moves through the plants due to transpiration plays an important role in maintaining plant water balance. ... This moves water and other nutrients absorbed by roots to the shoots and other parts of the plant. Hence, transpiration is very important for the survival and productivity of plants.

Explanation: the explanation of the answers is that Advantages of a dry cell are:

The compact size of a dry cell makes it suitable for powering small electronic devices.(toys, flashlights, portable radios, cameras, hearing aids). The electrolyte used in dry cell is relatively not so harmful to the environment. Dry cells are inexpensive. The main disadvantage of a dry cell is that it cannot be recharged once it loses its electrical power, Because when the cells turn any color then you are died.

User Tom El Safadi
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