Guard cells regulate...

Guard cells regulate

A

Photosynthesis

B

Intensity of light entering leaves

C

Change in green colour

D

Closing and opening of stomata

Text Solution

Verified by Experts

The correct Answer is:

D

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Similar Questions

Explore conceptually related problems

(a) How do guard cells regulate opening and closing of stomatal pores ? (b) Two similar green plants are kept separately in oxygen free containers, one in dark and the other in continuous light. Which one will live longer ? Give reason.

The stomatal pore is guarded by two kidney shaped guard cells. Name the epidermal cells surrounding the guard cells. How does a guard cell differ from an epidermal cell ? Use a diagram to illustrate your answer.

Knowledge Check

Guard cell regulate

A

Respiration

B

Transpiration

C

Photosynthesis

D

Photoerspiration

Guard cells line

A

Stomata

B

Hydathode

C

Pnunmatophore

D

Lenticle

I. Transpiration and gaseous exchange occur through stomata II. Cell wall of guard cells are homogenous in nature III. Guard cells are regular in shape IV. Cellulosic microfibrils are longitudinally oriented in guard cells The correct statements are -

A

All

B

Only IV

C

Only I and III

D

I, II and IV

Similar Questions

Explore conceptually related problems

A : During stomatal opening there is relative change in TP of guard cell and subsidiary cell. R: TP of subsidiary cell decreases during opening and that of guard cells increase .

Guard cells help in

Guard cells help in

In stomata guard cells are

Guard cells surround the stomatal pore. Dumbbell-shaped guard cells are found in

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