NEETBiologyAnatomy of Flowering PlantsMCQ+4 / −1
Which of the following statements is not true for
stomatal apparatus ?
- AStomata are involved in gaseous exchange
- BInner walls of guard cells are thick
- CGuard cells invariably posses chloroplasts and mitochondria
- DGuard cells are always surrounded by subsidiary cells
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Correct answer: D
Sometimes, a few epidermal cells in the vicinity of the guard cells become specialised in their shape and size and are known as subsidiary cells or accessory cells.
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