The leaves of gymnosperms are well-adapted to withstand extremes of temperature, humidity and wind, because of which of the following features?

Options

A. Needle like leaves
B. Thick cuticle
C. Sunken stomata
D. all of these.

Answer

D

Explanation

Conifers have a number of xerophytic characters such as needle-like (e.g., pinus), scale-like (e.g,Thuja) or small and leathery leave (e.g Araucaria Thick cuticle, sclerenchymatous hypodermic and stomata to reduce transpiration. They are, thus, well adapted to tide over the winter period when the soild becomes frozen and availability of water is very little.