Absorption of Water

IMPORTANT

Absorption of Water: Overview

This Topic covers sub-topics such as Plasmodesmata, Absorption of Water, Apoplast, Symplast, Active Absorption and, Passive Absorption

Important Questions on Absorption of Water

MEDIUM
IMPORTANT

Which of the following is not observed during the apoplastic pathway?

MEDIUM
IMPORTANT

Select the path of water inside a root:

EASY
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Symplast pathway of water in plants is not related to

EASY
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In mycorrhiza, fungal filaments help in

EASY
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Force responsible for exudation of liquid drops from the margin of the leaves is

MEDIUM
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Select an incorrect statement.

EASY
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Positive hydrostatic pressure developing in root xylem due to active solute accumulation is called

EASY
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During process of active absorption of water

HARD
IMPORTANT

Which of the following pathway/s of water flow is/are done by osmosis?

MEDIUM
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Which of the following is required for the 'uphill transport' of substances through a membrane?

HARD
IMPORTANT

A portion of a transverse section of the root is shown in the diagram. Identify A-H in the given diagram and choose the correct option. 

Question Image

HARD
IMPORTANT

Which of the following statements are correct?
i. Symplast and vacuolar pathway are in living part of the cell.
ii. Symplast interconnects the nearby cell through plasmodesmata.
iii. Water passes through the tonoplast in vacuolar pathway.
iv. Apoplast is fastest and operates in the nonliving part.

EASY
IMPORTANT

Several horticultural techniques are followed for the production of 'bonsai' plants. One of them is drastic pruning of root system. Which of the following physiological factor is involved in that method

MEDIUM
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What is the name of the phenomenon for the uptake of water at the expense of energy by the cell and usually against the osmotic gradient?

HARD
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Which of the following is a rapid type of absorption:

EASY
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 What is the overarching secondary wall which encloses a part of the pit cavity called as?

EASY
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Cell walls impregnated with water-repellent suberin are present in the cell of:

EASY
IMPORTANT

Which of the following causes entry of water in the root hairs?

HARD
IMPORTANT

State whether the following statements about mycorrhiza are true (T) or false (F).
A. Mycorrhizal fungi form a network around the young root, and they penetrate the root cells.
B. Mycorrhizal roots help the plants to absorb water and minerals.
C. Root provides sugar and nitrogenous organic compounds to mycorrhiza.
D. Pinus seeds can germinate and establish without mycorrhiza.

EASY
IMPORTANT

How absorption of water by a root is increased?