Which of the following pair of match is not correct?

A. Pith - Large and well developed in monocotyledonous root.

B. Root hairs - Helps in preventing water loss due to transpiration

C. Sieve tube elements - Its functions are controlled by the nucleus of companion cells.

D. Stomatal apparatus - Consists of stomatal aperture, guard cells and surrounding subsidiary cells

Please do not use chat terms. Example: avoid using "grt" instead of "great".