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1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Extrusion of second polar body from egg nucleus occurs :
A
Before entry of sperm into ovum
B
Simultaneously with first cleavage
C
After entry of sperm but before fertilization
D
After fertilization
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Hormones secreted by the placenta to maintain pregnancy are
A
hCG, hPL, progestogens, prolactin
B
hCG, hPL, estrogens, relaxin, oxytocin
C
hCG, hPL, progestogens, estrogens
D
hCG, progestogens, estrogens, glucocorticoids
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
The amnion of mammalian embryo is derived from
A
ectoderm and mesoderm
B
endoderm and mesoderm
C
mesoderm and trophoblast
D
ectoderm and endoderm
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
The difference between spermiogenesis and spermiation is
A
in spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed
B
in spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed
C
in spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed
D
in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules
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