(D) $\Rightarrow$ Water is essential for all physiological activities of the plant.$\Rightarrow$ Water plays a very important role in all living organ

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(D) $\Rightarrow$ Water is essential for all physiological activities of the plant.$\Rightarrow$ Water plays a very important role in all living organisms.$\Rightarrow$ It provides the medium in which most substances are dissolved.$\Rightarrow$ The protoplasm of the cells is nothing but water in which different molecules are dissolved and suspended.

Class 11 Biology Transport in Plants General

Medium

Why is water essential for plants?

A
It acts as a solvent for nutrients.
B
It is a key component of protoplasm.
C
It is required for all physiological activities.
D
All of the above.

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Transport in Plants

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General

What are the types and functions of aquaporins?

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Xylem is associated with translocation of mainly ... .

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Match the following columns:

Column-$I$ Column-$II$

$P$. Cohesion $I$. Water molecules are attracted to each other more in the liquid phase than in the gaseous phase.

$Q$. Adhesion $II$. Attraction of water molecules to polar surfaces.

$R$. Surface Tension $III$. Mutual attraction between water molecules.

Column-$I$	Column-$II$
$P$. Cohesion	$I$. Water molecules are attracted to each other more in the liquid phase than in the gaseous phase.
$Q$. Adhesion	$II$. Attraction of water molecules to polar surfaces.
$R$. Surface Tension	$III$. Mutual attraction between water molecules.