FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Select the correct statements.I. Epidermal cells have small amount of cytoplasm and a large vacuole. II. Waxy layer cuticle is absent in roots. IIl. Root hairs are unicellular, while stem hairs /trichomes are multicellular.IV Trichomes are branched & unbranched, soft stiff and secretory or transpiration preventive. V Guard cells are dumb-bell-shaped in dicots and bean-shaped in monocots (e.g. grass).
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) All except I and II
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All except III
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All except Il and IV
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All except V
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Explanation:
Detailed explanation-1: -Epidermal cells are sclearenchymatous with a small amount of cytoplasm lining the cell wall and a large vacuole. Epidermis is often covered with a waxy thick layer called the cuticle which promotes the loss of water. Epidermal cells are non living .
Detailed explanation-2: -Answer. Explanation: Epidermal cells form the outer covering or surface and are mainly involved in protection and secretion. Guard cells, root hairs, and trichome are all modification of the epidermal cells.
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