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Reproduction Questions, Paper - 07 |
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Sr. No. |
Questions |
Answers |
1. |
In development, nervous system (brain, spinal cord, nerve cells) is
(a) Ectodermal
(b) Endodermal
(c) Ectomesodermal
(d) Endomesodermal
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Answer: (a) |
2. |
In absence of pregnancy the corpus luteum forms
(a) corpora quadrigemina
(b) corpus callosum
(c) corpus albicans
(d) crura cerebri
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Answer: (c) |
3. |
In a mammalian sperm, spirally arranged mitochondria around an axial filament occurs in
(a) Middle piece
(b) Head
(c) End piece of tail
(d) Principal piece of tail
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Answer: (a) |
4. |
In 28 day human ovarian cycle, ovulation occurs on
(a) Day 1
(b) Day 5
(c) Day 14
(d) Day 28
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Answer: (c) |
5. |
Important sperm lysine used for dissolving egg covering is
(a) Diastase
(b) Androgamone
(c) Hyalouronic acid
(d) Hyalourinidase
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Answer: (d) |
6. |
Implantation occurs after
(a) 7 – 8 days of fertilization
(b) 10 days of fertilization
(c) 5 – 6 days of fertilization
(d) 12 days of fertilization
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Answer: (a) |
7. |
If mammalian ovum fails to get fertilized, which one of the following is unlikely?
(a) Corpus luteum will disintegrate
(b) Progesterone secretion rapidly declines
(c) Estrogen secretion further decreases
(d) Primary follicle starts developing
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Answer: (c) |
8. |
Identical twins in human beings is an example of
(a) polymbryony
(b) Neoteny
(c) Paedogenesis
(d) Parthenogenesis
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Answer: (a) |
9. |
Hyaluronidase is present in
(a) Ovary
(b) Ovum
(c) Sperm
(d) Blood
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Answer: (c) |
10. |
Human gametes differ from all other body cells as
(a) they are without a cell wall
(b) they are motile
(c) they are haploid
(d) none of the above
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Answer: (c) |
11. |
Human female reaches menopause at the age of about
(a) 25 years
(b) 35 years
(c) 50 years
(d) 70 years
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Answer: (c) |
12. |
Human embryo is protected by
(a) Allantois
(b) Amniotic cavity
(c) Pleural cavity
(d) Peritoneal cavity
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Answer: (b) |
13. |
Human egg is
(a) Megalectical
(b) holoblastic
(c) Mesolecithal
(d) Microlecithal
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Answer: (d) |
14. |
Human egg is
(a) Microlecithal
(b) Mesolecithal
(c) Alecithal
(d) Centrolecithal
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Answer: (c) |
15. |
Huma eggs are
(a) Alecithal
(b) Microlecithal
(c) Mesolecithal
(d) Macrolecithal
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Answer: (a) |
16. |
How many layers does the muscle coat of the oviduct have?
(a) one - longitudinal
(b) two inner circular and outer longitudinal
(c) three – oblique fibres in addition to the above
(d) none of the above
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Answer: (b) |
17. |
Hormones controlling human menstrual cycle are
(a) Estrogen
(b) FSH
(c) LH
(d) All of the above
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Answer: (d) |
18. |
Hormone responsible for ovulation and development of corpus luteum is
(a) FSH
(b) LH
(c) LTH
(d) ICSH
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Answer: (b) |
19. |
Graafian follicles are found in
(a) Testic of mammal
(b) Ovary of frog
(c) Ovary of cockroach
(d) Ovary of mammals
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Answer: (d) |
20. |
Gonads develop from embryonic
(a) Ectoderm
(b) Endoderm
(c) Mesoderm
(d) Both mesoderm and endoderm
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Answer: (c) |