Question

ripen stigma secretes the sugary substances which stimulates the pollen grains which fall on the stigma .what type of response do you think​

Answer 1

Chemotropism

Explanation:

• Chemotropism is the growth or movement of a plant or plant part in response to a chemical stimulus.

• An example is the growth of a pollen tube down the style during fertilization in response to the presence of sugars in the style.