Plant Water Relation BIOLOGY - Plant Water Relation

Give an example of plant having both kidney and dumbbell shaped guard cells in stomata.

Give the other name for epidermal cells in roots of plants.

Described the structure of root hair (diagram not expected)

Write a note on hygroscopic water and combined water.

(a) Define- Imbibition
(b) Explain how imbibition helps root hairs in adsorption of water.

Define the following:
(a)Gravitational water (b) Hygroscopic water (c) Combined water (d) Capillary water.

With the help of a neat, labelled diagram describe the structure of root hair.

What is called "elixir of life" What makes it so important?

(a) Give reason - Water acts as thermal buffer.
(b) Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.

Water acts as a thermal buffer. Justify the statement.

Suresh is doing his studies on a plant related to absorption of water. He found different forms of water available in the soil.
(i) Name them.
(ii) Which form of water is absorbed by the plants?
(iii) Name the region in the soil from where roots absorb water.