Some foliar roots also produce adventitious roots as in:

1. Oxalis

2. Coleus

3. Tapioca

4. Bryophyllum

The cells of which of the following regions of the root are responsible for growth of its length?

1. Root cap

2. Region of meristematic activity

3. Region of elongation

4. Region of maturation

The region responsible for growth in the length of the root is:

1. A

2. B

3. C

4. D

Root hairs develop from the region of

(1) maturation

(2) elongation

(3) root cap

(4) meristematic activity

Roots play insignificant role in absorption of water in

1. sunflower

2. Pistia

3. pea

4. wheat