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2009 BGCSE Biology Paper-1 Question-13
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Q-50
An experiment was set up to demonstrate a process which occurs in living organisms. After 30 minutes, the level in the thistle funnel rose. What does this show?
Liquid X is a concentrated solution and Y is a dilute solution.
Liquid X and liquid Y are dilute solutions.
Liquid X is a dilute solution and liquid Y is a concentrated solution.
Liquid X and liquid Y are concentrated solutions.
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