Question

A seedling germinating under a stone grows at an angle away from the stone and upward. This response to touch is called ________.

a) Phototropism
b) Geotropism
c) Thigmotropism
d) Hydrotropism

Answer 1

Thigmotropism is the response to touch in plants where they grow in a particular direction as a result of contact with a stimulus.

Step-by-step explanation:

The response to touch in plants is called thigmotropism. This is when a plant grows in a particular direction as a result of contact with a stimulus. For example, if a seedling is germinating under a stone and grows at an angle away from the stone and upward, this is an example of thigmotropism.

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