Q32 of 367 Page 73

What is transpiration?

The loss of water in the form of vapour from the aerial parts of the plant is known as transpiration.


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30

What is xylem tissue? Name the two kinds of cells in xylem tissue. State whether these cells are living or dead.

 31

What is phloem tissue? Phloem contains two types of cells joined side by side. Name these two types of cells. State whether these cells are living or dead.

 32

What do you mean by 'translocation' with respect to transport in plants?

 32

Which plant tissue is involved in translocation : xylem or phloem ?