The length of different internodes in a culm of sugarcane is variable because of
Shoot apical meristem
Position of axillary buds
Size of leaf lamina at the node below each internode
Intercalary meristem
Promeristem is found in
What is the function of vessels in flowering plants?
Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut ? Indicate these cuts with the help of line drawings.