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Biology 12 Chapter - 20 Reproduction - 7
1.
Where does the Mitochondria of sperm lie?
a) Midpiece
b) Neck
c) Head
d) Tail
2.
Acrosome is present on the top of ……………….of sperm?
a) Midpiece
b) Head
c) Neck
d) Tail
3.
What is the composition of tail of sperm?
a) Cytoplasm
b) Nucleus
c) Plasma membrane
d) Mitochondria
4.
Which cells provide nutrients to spermatid to differentiate?
a) Leydig cells
b) Follicle cells
c) Germ line cells
d) Sertoli cells
5.
Which glands secrete hormones to control spermatogenesis?
a) Prostate gland and pituitary gland
b) Hypothalamus gland and pituitary gland
c) Thyroid gland and pituitary gland
d) Bulbourethral gland and thyroid gland
6.
Which hormone is secreted by hypothalamus that controls release of gonadotropins from anterior pituitary?
a) GnRH
b) Testosterone
c) LH
d) FSH
7.
Gonadotropins releasing from anterior pituitary include………..?
a) Testosterone
b) FSH and LH
c) Only GnRH
d) GnRH and LH
8.
FSH stimulates spermatogenesis by stimulating ……………?
a) Leydig cells
b) Germ line cells
c) Sertoli cells
d) Follicle cells
9.
LH stimulates…………to release testosterone?
a) Follicle cells
b) Leydig cells
c) Germ line cells
d) Sertoli cells
10.
Which cells secrete testosterone?
a) Sertoli cells
b) Leydig cells
c) Germ line cells
d) Follicle cells
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