Presence of vessels in the wood is:

Which of the following statement$(s)$ is/are true?
$(A)$ Uneven thickening of cell wall is characteristic of sclerenchyma.
$(B)$ Periblem forms cortex of the stem and the root.
$(C)$ Tracheids are the chief water transporting elements in gymnosperms.
$(D)$ Companion cell is devoid of nucleus at maturity.
$(E)$ The commercial cork is obtained from $Quercus$ $suber$.

Star-shaped crystals found in $Dioscorea$ are known as:

The primary plant body is made up of:

Write the precise function of:
$(a)$ Sieve tube
$(b)$ Interfascicular cambium
$(c)$ Collenchyma
$(d)$ Aerenchyma

Which one is not a trait of xerophytes?