EASY
Earn 100

Ascent of sap in tall trees occurs due to

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Important Questions on Transportation of Food and Minerals in Plants

MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Give suitable biological reasons for the given statement:

Root hairs become flaccid and droop when excess fertilizers are added to the moist soil around them.
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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

What is a semipermeable membrane ?

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

_____ is the inflow of water molecules from an external solution into a cell.

EASY
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
Osmosis plays an important role in the absorption of water by plants.
HARD
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
What is an ascent of sap? Explain the various forces responsible for the rising of cell sap.
MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

What is plasmolysis ?

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
A plasmolysed protoplasm swells when it is placed in_____water.
MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
Suggest one simple experiment to show that water absorbed by the roots of a plant travels upward through the conducting tissues of the stem.
 
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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
Name the upward movement of water and minerals from roots towards the top of the plant.
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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Distinguish between root pressure and turgor pressure.

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Fill in the blanks :

_____ occurs through a semipermeable membrane.

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Root hairs absorb _____from the soil by active transport.

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Name the membrane which allows the solvent to pass through it but not the solute.

MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

What is diffusion ?

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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
Define diffusion.
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Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

What is root pressure?

MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Write the importance of turgor pressure.

EASY
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants
Cotyledons are also called-
MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Write note on-

Root pressure

MEDIUM
Science>Biology>Transportation of Food and Minerals in Plants>Conduction in Plants

Define the term osmosis.