Question

2. What is tropism ? What type of tropism is shown by the following: (a) Bending of stem of a plant towards sunlight (b) Opening and closing of the guard cells of stomata (c) Flowering and seed-germination in plants regulated by the duration of light​

Answer 1

A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. In tropisms, this response is dependent on the direction of the stimulus.

A) Phototropism

B) Hydrotropism

C) Phototropism

Answer 2

Answer:

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