Multiple choice questions XXXXX — task. Science CBSE, Class 9.

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1. Select the odd one out:

The movement of water across a semi-permeable membrane is affected by the amount of substances dissolved in it.
Plasma membrane contain chitin sugar in plants.
Molecules soluble in organic solvents can easily pass through the membrane.
Membranes are made of organic molecule like proteins and lipids.

2. Plasmolysis occurs due to:

Absorption
Osmosis
Endosmosis
Exosmosis

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