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B3f Controlling Plant Growth

1. Whatever way a seed is planted in the soil, the roots always grow downwards.
This is because:
a. The root anchors the plant
b. To get water and minerals from the soil
The roots grow downward in response to gravity. We call this positive

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Describe how she should do her experiment.
In your answer, include
· how to set up the equipment
· what to look for
· how to make it a fair test.
idea that have light from one side only (1)
idea of observations (of orientation) before and after (1)


lisa linsdell


Answers to questions downloaded in separate document. Suitable for higher level paper with any exam board that covers plant growth.



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