Anatomy of Root

Q. When protoxylem develops towards the periphery, it is called as

1. Endarch
2. None of the above
3. Centripetal xylem
4. Centrifugal xylem

Q.

Root hairs occur in the zone of:

1. Cell division

2. Cell elongation

3. Cell maturation

4. Root cap

Q. Why roots are unable to absorb water from capillarities below the diamter of 0.2 micrometer.