Define transpiration.

Give an account of factors affecting transpiration.

Describe transpiration pull model of water transport in plants. What are the factors infulencing transpiration? How is it useful to plants?

Explain external and internal factors affecting the rate of transpiration.

Fill in the blanks: More is the leaf area, ……………..is the rate of transpiration.

Fill in the blanks: More is the leaf are,...... is the rate of transpiration.

Give the reasons for the following statements: Cuticle redcues the rate of transpiration.