NEET 2016 Biology question

Specialized epidermal cells surrounding the guard cells are called:

(1)Complementary cells
(2)Subsidiary cellsCorrect
(3)Bulliform cells
(4)Lenticels

Answer: (2)

Solution

Stomata are bounded by two bean-shaped (in dicots) or dumb-bell-shaped (in grasses) guard cells. The epidermal cells adjacent to the guard cells that become specialised in their shape and size are known as subsidiary cells (NCERT, Anatomy of Flowering Plants). Hence option

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Question ID VK-092008