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Diffusion

Which among t...

Question

Which among the following statements is wrong?

A

Plasmolysis is phenomenon seen in living system only

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B

Both plant and animal cells show plasmolysis

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C

No membranes are involved in the process of imbibition

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D

All biological membranes are differentially permeable.

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Solution

The correct option is B Both plant and animal cells show plasmolysis
Animal cells do not have vacuoles.

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Similar questions

Q. Mark the following statements 'true' or false. Rewrite the wrong ones correctly.
(a) All cells have nuclei.
(b) Chloroplasts are present in all plant cells.
(c) Animal cells usually do not have vacuoles.
(d) Animal and plant cells have cell membranes.
(e) Ribosomes are called 'suicide bags'.
(f) The cell wall is made of cellulose which is a living substance.
(g) The cell membrane is freely permeable to all substances.
(h) All living organisms are made up of cells.
(i) Structures present in the cell are called organs.
(j) Cell respiration takes place in mitochondria.

Q. Choose the correct statements.
(i) Cell wall is present in both plant and animal cells.
(ii) Cell membrane is present only in plant cells.
(iii) Cell membrane is semi permeable.
(iv) Cell wall is mainly composed of cellulose.

Q. Read the given statements and select the correct ones.
(i) A membrane which permits the passage of pure solvent molecules to pass through it and not the solute particles is called semi-permeable.
(ii) A membrane which allows some substances to pass through it more readily than others is known as selectively/differentially permeable.
(iii) All living biological membranes are perfectly semipermeable.

Q. Which of the following match is incorrect?
(i) Diffusion - Movement of substances from higher concentration to lower concentration
(ii) Osmosis - Occurs in only one direction
(iii) Semi-permeable membrane - Prevents passage of solute molecules
(iv) Endosmosis - Withdrawal of water from the vacuole
(v) Plasmolysis - Shrinkage of protoplasm when kept in hypotonic solution

Do the process of plasmolysis takes place only in plants ?

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