Description : Root cap is derived from – (1) Derm atogen (2) Calyptrogen (3) Protoderm (4) Histogen
Last Answer : (2) Calyptrogen Explanation: Calyptrogen is a layer of rapidly dividing cells at the tip of a plant root, from which the root cap is formed. It occurs in grasses and many other plants. The ... outermost ones are dead, envelops and protects the growing tip very much as a thimble protects the finger.