Biology Past Questions and Answers

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In an experiment to study the rate of water loss in plants, leaves of a potted plant were treated as follows:
I. Upper surface covered with Vaseline ll. Lower surface covered with Vaseline
III. Both surfaces covered with Vaseline IV. None of the leaf surfaces coveredIndicate in a descending order, the rate of water loss from the leaves

The following are methods of measuring plant growth except

Which of the following will ease the friction between the ends of bones in a movable joint?

Diffusion is most effective in living organisms, when the surface area is

The function of the red blood cells is to