Chemotropic movement of pollen tubes towards the micropylar end of the ovules in many cases has been attributed to the presence of.

Mucilaginous substances on stigmatic papillae

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Auxins gradient through stylar tissue

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Gibberellins gradient through stigmatic and stylar tissue up to embryo sac

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Calcium gradient through stylar tissue up to embryo sac

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is A Calcium gradient through stylar tissue up to embryo sac
Chemotrophic movement is observed in plant fertilization. Calcium gradient through styler tissue up to embryo sac promotes elongation and orientation of pollen tube growth.
So, the correct option is D.

Suggest Corrections

Similar questions

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

Q. After penetrating stigmatic and stylar tissue, the pollen tube usually grows down towards the egg cell because

Q. A pollen tube enters the ovule through chalaza lying opposite the micropyle. It will enter the embryo sac through.

Pollen pistil interaction is not associated with which of the following features?
(i) Chemical process
(ii) Dynamic process
(iii) Chemotactic growth of pollen tube through style tissue
(iv) Transmission tissue in hollow style

Q. During the process of fertilization the pollen tube of the pollen grains usually enters the embryo sac through
A. Integument
B. Nucellus
C. Chalaza
D. Micropyle

Join BYJU'S Learning Program

Chemotropic movement of pollen tubes towards the micropylar end of the ovules in many cases has been attributed to the presence of.

The correct option is A Calcium gradient through stylar tissue up to embryo sacChemotrophic movement is observed in plant fertilization. Calcium gradient through styler tissue up to embryo sac promotes elongation and orientation of pollen tube growth.So, the correct option is D.

The correct option is A Calcium gradient through stylar tissue up to embryo sac
Chemotrophic movement is observed in plant fertilization. Calcium gradient through styler tissue up to embryo sac promotes elongation and orientation of pollen tube growth.
So, the correct option is D.