Q. Binding of sperm to secondary oocyte cause …A… which ensures ….B… . The words suitable to fill the blanks are

A) A-polyspermy; B-polarisation
B) A-polarisation; B-polyspermy
C) A-depolarisaton; B-monospermy
D) A- monospermy; B- depolarisation
Explanation

Due to changing of the membrane potential, there is depolarization and due to depolarization the entry of other sperms is blocked. This leads to the monospermy

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.