Question

The thimble-like structure that covers the root apex is termed as___.

Answer 1

The thimble-like structure that covers the root apex is termed as a root cap or calyptra. The functions of a root cap are:
i) It protects the root tip from rubbing with soil particles.
ii) It makes the root tip slippery by giving out a slippery substance so that the roots may easily pass through the soil.