Multiple epidermis on dorsal and ventral side of the leaf is found in
Zea mays
Ficus benghalensis
Mangifera indica
Nerium oleander
The length of different internodes in a culm of sugarcane is variable because of
Heartwood differs from sapwood in
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
Root hair develop from the region of
Tunica differs from corpus in