Question

A leaf primordium grows into the ***** leaf lamina by means of

(a) apical meristem

(b) lateral meristem

(c) marginal meristem

(d) at first by apical meristem and later largely by marginal meristem

Answer 1

Correct option (d) at first by apical meristern and later largely by marginal meristem

Explanation

Apical menstem is present at the tips of stems, roots and leaves, it takes part in initial growth or elongation of roots, stems and leaves. Marginal meristem or plate meristem has parallel layers of cells which divide anticlinally in two planes as in growing flat organs like-leaves.