The stomatal apparatus consists of :-

  • A
    Stomatal aperture only
  • B
    Stomatal aperture and guard cells
  • C
    Subsidiary cells
  • D
    Stomatal aperture,guard cells,and subsidiary cells

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Similar Questions

In terrestrial plants,guard cells differ from other epidermal cells in possessing ..........

$A.$ In dry atmosphere,the relative humidity is low,so the rate of transpiration increases.
$B.$ Slow breeze promotes the rate of transpiration.
$C.$ $ABA$ promotes transpiration.
$D.$ $A$ high salt concentration in soil water increases transpiration.

According to the proton transport theory,which ion plays an important role in the opening and closing of stomata?

Which element takes part in the opening and closing of stomata?

Under what conditions does the rate of transpiration increase?

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