Q: Where does lengthening and widening occur in plant roots?\nOptions:\n- (A) meristems\n- (B) Epidermis\n- (C) cracking\n- (D) allow growth\n- (E) buds\n- (F) stamens\n- (G) epidermal\n- (H) fruits
Let's think step by step below.

User
Roots have primary and secondary meristems for growth in length and width. Growth occurs in meristems. Without meristems, roots couldn't lengthen or widen.
Thus, the answer is (A).
Assistant