MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

What Is Fertilization?

In human duri...

Question

In human during fertilisation a sperm firstly comes in contact with which layer of ovum?

A

Zona pellucida

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

B

Vitelline membrane

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

C

Jelly coat

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

D

Corona radiata

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

Open in App

Solution

The correct option is C Corona radiata
Corona radiata is the outer most protective covering of human egg with which the sperms come in contact firstly. Zona pellucida is internal to corona radiata.The vitelline membrane of an egg is laid down by a fertilized egg. Thus, the correct answer is option D.

Suggest Corrections

thumbs-up

0

Similar questions

Q. What happens during fertilisation in humans after many sperms reach close to ovum?

Q. Question 6
Which of the following statement about reproduction in humans is correct?

(a) Fertilisation takes place externally.
(b) Fertilisation takes place in the testes.
(c) During fertilisation, egg moves towards the sperm.
(d) Fertilisation takes place in the human female.

Q. After a sperm has penetrated in ovum during fertilisation, the entry of further sperms is prevented by

Q. Fill up the blanks in the following paragraph by selecting the correct option.
During copulation (coitus), semen is released by the penis into the vagina and is called (i) . The ovum released by the ovary is transported to the (ii) where (iii) takes place. During fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of (iv) . The secretions of the (v) help the sperm enter into the cytoplasm of the ovum.

Q. When a sperm comes in contact with zona pellucida of the ovum, it prevents the entry of other sperms.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Fertilisation

BIOLOGY

Watch in App

explore_more_icon

Explore more

What Is Fertilization?

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon