
Define plasmolysis.
Important Questions on The Fundamental Unit of Life
Correct the following statements by changing the underlined words:
Xylem transports starch from the leaves to all parts of the plant body.



Differentiate between the following pairs on the basis of what is mentioned in the brackets:
Osmosis and Active Transport (Substances undergoing movement)

Give biological explanations for the following:
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered

Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them].

Solution A: Pure water,
Solution B: saturated salt solution,
Solution C: Hydrochloric acid
The sequence of treatments and the ensuring probable effect on the egg are listed below:
I. A - B - C -Remains unchanged
II. B - C - A - Swells
III. C - A - B - Shrinks
IV. B - A - C - Loses salts
Based on the above sequence to treatment which one of the options will be correct?

Correct the following statements by changing the underlined words:
The cell sap of root hair is Hypotonic.

Assertion (): Pea seeds swell more on imbibition than wheat seeds.
Reason (): Proteins have a high imbibing capacity.


A solution of sucrose (molar mass) has been prepared by dissolving sucrose in water.
and vapour pressure of water at is .
The osmotic pressure of the solution at is







The leaves of a well-watered potted plant were found wilted during a hot sunny day.
What explanation should you suggest if the wilted leaves did not recover even during the night?


Define the following
Plasmolysis

