Isodiametric sclereids, found in hard endocarp of coconut and fleshy portion of some fruits are

Histogens are component of or The histogens are differentiated in

Which of the following statements is not true for stomatal apparatus?

Deposition of callose is found in

Assertion : Thick cuticle is mostly present in disease resistant plants.
Reason : Disease causing agents cannot grow on cuticle and cannot invade the cuticle