Question

The growth of pollen tubes towards ovules is the example of:
a)hydrotropism
b)geotropism
c)phototropism
d)chemotropism​

Answer 1

Answer:

(D) Chemotropism

Explanation:

Chemotropism is the growth of organisms such as bacteria and plants, with the help of a chemical stimulus from outside of the organism or from organism's part. ... An example of chemotropic movement can be seen during the growth of the pollen tube, where growth is always towards the ovules.

Answer 2

Answer:

chemotropism

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