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1.

Significance of fertilizin and antifertilizin in fertilization is – (a) Attract gametes (b) Protection of spermatozoa (c) attachment of the sperms on the ovum surface (d) All of the above

Answer»

The answer is (c) attachment of the sperms on the ovum surface

2.

Which part of the sperm head comes in the contact with egg at the time of fertilization? (a) Acrosome (b) Acromegaly (c) Acronis (d) Anterior lobe

Answer»

The answer is (d) Anterior lobe

3.

Who has given the concept of fertilizin?

Answer»

The answer is F.R. Lillie

4.

Site of fertilization in female human is – (a) Vagina (b) Seminal vesicles (c) Uterus (d) Fallopian tubes

Answer»

The answer is (d) Fallopian tubes

5.

Who has studied the acrosome reaction?

Answer»

The answer is  Colwin, 1963.

6.

Spermatozoan moves by – (a) Tail (b) Head (c) Acrosome (d) Middle par

Answer»

The answer is (a) Tail

7.

The substances for energy conservation during sperm motility are – (a) Androgamone – I (b) Androgamone – II (c) Gynogamone – I (d) Gynogamone – II

Answer»

The answer is (a) Androgamone – I

8.

Where fertilizin is present?

Answer»

The surface of the ovum.

9.

Fertilizin is secreted by – (a) Ovum (b) Spermatid (c) Graafian follicle (d) Ovary

Answer»

The answer is (a) Ovum