a) What does a root do in response to gravity ? What is this phenomenon known as ?
(a) What does a root do in response to gravity ? What is this phenomenon known as ?
(b) What does a stem (or shoot) do in response to light ? What is this phenomenon
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(a) Root bends downwards in the direction of gravity; positive geotropism.
(b) Stem bends towards the light; positive phototropism.
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