Root hairs are

What is the primary function of root hairs in plants?

Find the odd one out with respect to radicle leaves (leaves arising from the root).

$A$ fibrous root system is better adapted than a tap root system for

Epiphytes like $Vanda$ develop a special layer of absorptive tissue called $velamen$,consisting of $4$ or $5$ layers of long polygonal cells. $Velamen$ is formed by:

The pneumatophores (respiratory roots) are involved in .......... .