Question

Growth of pollen tube through the style towards the embryo sac is an example of

• A. Geotropism
• B. Hydrotropism
• C. Thigmotropism
• D. Chemotropism

Answer 1

The correct option is D Chemotropism

• Chemo-tropism is the growth of plants, navigated by chemical stimulus from outside of the organism or organisms part.
• The response of the organism or organism part is termed positive if the growth is towards the stimulus or negative if the growth is away from the stimulus