Vitelline membrane is a

Which of the following statements regarding fertilization is/are correct ? (i) The acrosome is filled with hydrolytic enzymes which help in dissolving the membrane of the ovum at the time of fertilization. (ii) Vitelline membrane is the first membrane to be faced by sperms while trying to fuse with the ovum . (iii) There must be synchronicity in the release of ovum and entry of sperm for the formation of zygote . (iv) The meiotic division of the secondary oocyte is concluded with the entry of male gamete.

Which of the following statements regarding fertilization is/are correct ? (i) The acrosome is filled with hydrolytic enzymes which help in dissolving the membrane of the ovum at the time of fertilization. (ii) Vitelline membrane is the first membrane to be faced by sperms while trying to fuse with the ovum . (iii) There must be synchronicity in the release of ovum and entry of sperm for the formation of zygote . (iv) The meiotic division of the secondary oocyte is concluded with the entry of male gamete.

Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Each of the following questions/statements has four suggested answers. Choose the correct answer: Layers of an ovum from outside inside are:- i. Corona radiata, zona pellucida and vitelline membrane ii. Zona pellucida, corona radiata and vitelline membrane iii. Vitelline membrane, zona pellucida and corona radiata iv. Zona pellucida, vetelline membrane and corona radiata

Puncture of the vitelline membrane of egg is done by____

After fertilisation, vitelline membrane transforms into fertilisation membrane. Why?

Name the cells which form the vitelline membrane