Cystoliths sometimes deposited in plant cells are crystals of (aggregation of)
Calcium oxalate
Calcium carbonate
Magnesium carbonate
Glucosides
A timber merchant told to the customer that log of wood he is purchasing belongs to $20$ years old tree. He did so by
Velamen and spongy tissue is found in
According to histogen theory, stem epidermis is derived from
Which of the following have sunken stomata?
Deposition of callose is found in