491.
In the development of a frog, the gastrulation process involves
A
Epiboly
B
Emboly
C
Invagination
D
All of the above
Answer :
All of the above
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492.
Which one of the following is not the function of placenta? It :
A
secretes estrogen
B
facilitates removal of carbon dioxide and waste material from embryo
C
secretes oxytocin during parturition
D
facilitates supply of oxygen and nutrients to embyo
Answer :
secretes oxytocin during parturition
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493.
Which acid occur in semen
A
Citric acid
B
Mallic acid
C
Oxalo acetic acid
D
Succinic acid
Answer :
Citric acid
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494.
Corpus lulteum is
A
Excretory
B
Endocrine
C
Digestive
D
Reproductive
Answer :
Endocrine
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495.
Endometrium is lining of
A
Testis
B
Urinary bladder
C
Uterus
D
Ureter
Answer :
Uterus
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496.
Ostium is the aperture present in
A
Oviduct
B
Fallopian funnel
C
Ovisac
D
Cloaca
Answer :
Fallopian funnel
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497.
Vasa- efferentia connect the
A
Testes with epididymis
B
Kidneys eith cloaca
C
Testes with urinogenital duct
D
None of the above
Answer :
Testes with epididymis
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498.
Acrosome of spermatozoa is formed for
A
Lysosomes
B
Golgi bodies
C
Ribosome
D
Mitochondria
Answer :
Golgi bodies
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499.
Meroblatic cleacage takes place in
A
Hydra
B
Amphioxus
C
Frog
D
Chick
Answer :
Chick
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500.
A mature sperm has
A
A pair of flagella
B
A nucleus, a acrosome and a centriole
C
A nucleus, an acrosome, a apir of centrioles
D
A nucleus, an acrosome, a pair of centrioles and a tail.
Answer :
A nucleus, an acrosome, a pair of centrioles and a tail.
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