Question

Recognise the figure and find out the correct matching.

• A. a- Cells of corona radiata, b - Zona pellucida, c - Perivitelline space
• B. a - Perivitelline space, b - Cells of corona radiata, c - Zona pellucida
• C. a - Zona pellucida, b - Perivitelline space, c - Cells of corona radiata
• D. a - Zona pellucida, b - Cells of corona radiata, c - Perivitelline space
  

Answer 1

The correct option is D a - Zona pellucida, b - Cells of corona radiata, c - Perivitelline space


Labelled diagram of ovum
The given image represents the structure of ovum:


Structure of ovum
The given structure of ovum shows the below mentioned labelled parts:
a, Zona pellucida - Zona pellucida is a glycoprotein layer secreted by the follicular cells that surrounds the plasma membrane of the egg.
b, Cells of corona radiata - It is the outermost membranous cover of follicular cells that is formed around the developing oocyte in the ovary.
c, Perivitelline space - It is the space present between zona pellucida and the plasma membrane of ovum.

Final answer
(D) a - Zona pellucida, b - Cells of corona radiata, c - Perivitelline space