Question

The diagram shows an experiment set up to investigate osmosis in living cells What happens

to the volumes of water (X) and sugar solution (Y) after 12 hours? Give reason.
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Answer 1

Answer:

1. a. The volume of water in the dish decreased.

b. The volume of salt solution in the potato increased

a Osmosis

b. 3 points from:

- there was a higher concentration of water in the

dish than in the potato

- so water moved into the potato.

- from a high concentration of water to a lower concentration of water

- by osmosis.

c. Root hairs, or in the roots.

d. Osmosis enables the plant to absorb water to maintain cell turgidity (or to replace water lost by transpiration).