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Biology 12 Chapter - 20
Reproduction - 17
1.
What are the causes of male infertility?
a) All of the above
b) Oligospermia
c) Azoospermia
d) Sperm deformities
2.
Which is not the causes of male infertility?
a) Azoospermia
b) Sperm deformities
c) Endometriosis
d) Oligospermia
3.
The state of having no sperms is called…………………?
a) Autoimmune disorder
b) Azoospermia
c) Oligospermia
d) Sperm deformities
4.
How much % of male infertility is due to Azoospermia?
a) 50%
b) 5%
c) 10%
d) 90%
5.
The cause of Azoospermia is the blockage of sperm duct due to……………..?
a) All of these
b) Gonorrhoea
c) Infection
d) Injury
6.
Which disease can be the cause of Azoospermia?
a) Autoimmune disorder
b) T.B.
c) Syphilis
d) AIDS
7.
Sperm count below………….million/ml called Oligospermia?
a) 30
b) 10
c) 20
d) 40
8.
How much % of male infertility is due to Oligospermia?
a) 90%
b) 50%
c) 10%
d) 5%
9.
What is the sperm count below 20million/ml called?
a) Azoospermia
b) Sperm deformities
c) Oligospermia
d) Autoimmune disorder
10.
What is the change in shape of sperms called?
a) Autoimmune disorder
b) Azoospermia
c) Oligospermia
d) Sperm deformities
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