What type of tropism is depicted the following picture? Explain.

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Solution

The picture shows thigmonastic movement in plants.
Thigmonasty or seismonasty is the nastic response of a plant or fungus to touch or vibration. Conspicuous examples of thigmonasty include many species in the leguminous subfamily Mimosoideae, active carnivorous plants such as Dionaea and a wide range of pollination mechanisms.

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Similar questions

(a) What is meant by 'tropisms' (or tropic movements )? Explain with an example.

(b) What are the different types of tropisms? Define each type of tropism. Write the name of the stimulus in each case.

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