Q.

In dicots, the guard cells are kidney ______ shaped.

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a

Rice

b

Beans

c

Grasses

d

Maize 

answer is B.

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Detailed Solution

Concept: The live cells that watch over the stomatal pore's opening and shutting are known as guard cells. These cells typically have kidney beans and dumbbell-shaped shapes.
Guard cells are specialised epidermal cells displayed on the surface of leaves and stems of plants that control the vaporous trade in plants. The watch cells shape stomatal pores through which vaporous trade and transpiration take place. In monocots, the protected cells are dumbbell shaped. In dicots, they are kidney or bean shaped.
Hence, the correct answer is option 2.
 
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