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Consider the following statements regarding the root system of angiosperms and choose the correct option given below.
  1. In monocots, the fibrous root system arises from the base of the stem.
  2. The region of elongation is called the root hair region.
  3. In sweet potato, the adventitious roots get swollen and store food.
  4. The stems of maize and sugarcane have supporting roots called prop roots.

A. (i) and (ii) are correct but (iii) and (iv) are wrong.

B. (ii) and (iii) are correct but (i) and (iv) are wrong.

C. (ii) and (iv) are correct but (i) and (iii) are wrong.

D. (i) and (iii) are correct but (ii) and (iv) are wrong.

Correct Answer : D.


The cells of the elongation zone gradually differentiate and mature. Hence, this zone proximal to the region of elongation, is called the region of maturation. From this region some of the epidermal cells form very fine and delicate, thread like structures called root hairs. Stems of maize and sugarcane have supporting roots coming out of the lower nodes of the stem called stilt roots.

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