The growth of the pollen tube towards the ovule induced by a sugary substance as stimulus is
A
Phototropism
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Chemotropism
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Thigmotropism
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Geotropism
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A Chemotropism 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. Phototropism - light Thigmotropism - touch Geotropism - gravity