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A potted plant having straight parts A a...

A potted plant having straight parts A and B was placed horizontally on its side as shown in Figure (i). After a few days it was observed that the parts A and B of the plant acquire new positions as shown in figure (ii).
(a) Name the phenomenon exhibited by the position of plant parts A and B in Figure (ii)
(b) Name the stimulus (other than sunlight) which causes plant part A to grow and bend upwards, and plant part B to bend downwards.

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The correct Answer is:
(a) Geotropism (b) Gravity
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  10. Name the most important part of the human brain.

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  11. Which part of the brain maintains posture and equilibrium of the body?

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