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Question

Name the two main types of tropism.


A

Growing and developing

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B

Positively and negatively

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C

Root and shoot development

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D

Happily and sadly

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Solution

The correct option is B

Positively and negatively


Tropism means response of an organism or a plant to a stimulus. Positive tropism means plant response towards the stimulus. Negative tropism means plant response away from the stimulus. Phototropism is the movement of a plant in the direction of light.


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