OnlineCBT
Biology · ANATOMY OF FLOWERING PLANTS
हिन्दीConsider the following statements regarding the epidermal tissue system and its components: (A) The cuticle is a waxy thick layer covering the epidermis that prevents water loss, and it is entirely absent in roots. (B) Stomatal apparatus consists of stomatal aperture, guard cells, and the surrounding subsidiary cells. (C) In grasses, the guard cells are bean-shaped while in dicots they are dumb-bell shaped. (D) Root hairs are multicellular elongations of epidermal cells that help in mineral absorption. Which of the above statements are correct?
Correct answer · Option 4
(A) and (B) only
Explanation
Statements (A) and (B) are correct. (C) is incorrect because guard cells in grasses are dumb-bell shaped and in dicots bean-shaped. (D) is incorrect because root hairs are unicellular.
