Which event is possible when changes in the layer of $zona$ $pellucida$ occur due to sperm at the time of fertilization?

  • A
    Sperm enters into the ovum.
  • B
    Block the entry of additional sperms into the ovum.
  • C
    Stop the fertilization process and prevent pregnancy.
  • D
    Possible fertilization process is facilitated and pregnancy occurs.

Explore More

Similar Questions

The phenomenon of fertilization was first perceived by

In humans,fertilization is possible only when,

Insemination is

What is an ectopic pregnancy?

Cleavage is a method of division of a fertilized egg in which the egg:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo