(i) The ...a... help in maintaining the press | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) $(i)$ Companion cells are specialized parenchyma cells associated with sieve tube elements in the phloem. They maintain the pressure gradient in t

Vedclass · Accepted Answer

$a$ - Companion cells,$b$ - Transpiration

Vedclass · Answer

(B) $(i)$ Companion cells are specialized parenchyma cells associated with sieve tube elements in the phloem. They maintain the pressure gradient in the sieve tubes by loading and unloading sugars,which creates osmotic potential differences.$(ii)$ Stomata are small pores present on the epidermis of leaves. They regulate the process of transpiration (loss of water vapor) and the exchange of gases like $O_2$ and $CO_2$ between the plant and the atmosphere.

$(i)$ The ...$a$... help in maintaining the pressure gradient in the sieve tubes.
$(ii)$ Stomata regulate the process of ....$b$..... and gaseous exchange.

Similar Questions

Maximum transpiration occurs in

Stomatal index $(I)$ is equal to:

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

The transpiration in plants will be lowest when:

How much of the absorbed water is lost during transpiration in a plant?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

$(i)$ The ...$a$... help in maintaining the pressure gradient in the sieve tubes.$(ii)$ Stomata regulate the process of ....$b$..... and gaseous exchange.