SaraNextGen.Com


Read the following statements and choose the correct answer from the options given below

a)

In the absence of casparian strips, plants are unable to control amount of water and solute it absorbs

b)

Guttation is generally occur during low atmospheric humidity and plentiful soil water

c)

Role of  in stomatal opening is universally accepted

d)

In CAM, plant stomatal remains open in day and night


Question ID - 3940 | Toppr Answer

Read the following statements and choose the correct answer from the options given below

a)

In the absence of casparian strips, plants are unable to control amount of water and solute it absorbs

b)

Guttation is generally occur during low atmospheric humidity and plentiful soil water

c)

Role of  in stomatal opening is universally accepted

d)

In CAM, plant stomatal remains open in day and night

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

According to the active  theory of Levitt, there is influx of  in the guard cell from epidermal cells, which are balanced . At present, the role of  in stomatal opening in universally accepted. In CAM plants, stomata remains closed during day time  Opuntia, pineapple etc. Casparian strips present in the walls of endodermal cells control the amount of water and solute, which is absorbed, by the plants, CAM plants have capacity to store  during night and the same is used in photosynthesis during day time when stomata are closed



SaraNextGen