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Question
Small pores on the epidermis of leaf are called:
Small pores on the epidermis of leaf are called:
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Solution
The correct option is A Stomata
The epidermis is the outermost covering of the cell and it is composed of living cells. The epidermis is usually closely packed, without intercellular spaces or chloroplasts. The outer walls are exposed to the atmosphere and usually thickened, and may be covered by a waxy, waterproof cuticle. Apart from the normal epidermal cells, there are also stomata in the epidermis of leaves and stems. A stoma is an opening (pore) that is bounded by two bean-shaped cells called guard cells. They help in the gaseous exchange and release of water in the form of water vapour.Hence, the correct option is A.
The epidermis is the outermost covering of the cell and it is composed of living cells. The epidermis is usually closely packed, without intercellular spaces or chloroplasts. The outer walls are exposed to the atmosphere and usually thickened, and may be covered by a waxy, waterproof cuticle. Apart from the normal epidermal cells, there are also stomata in the epidermis of leaves and stems. A stoma is an opening (pore) that is bounded by two bean-shaped cells called guard cells. They help in the gaseous exchange and release of water in the form of water vapour.
Hence, the correct option is A.
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