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Morula is formed from a cell known as…
a) blastocysts              
b) blastomeres
c) micromeres             
d) macromeres

b

During the embryonic development, the blastocyst starts embedding into uterine lining on day………
a) 3rd   
b) 5th               
c) 21st 
d) 7th

d

The tightening of connection between neighbor cells of morula during early embryonic development is known as……
a) compaction
b) conception
c) contraction             
d) adhesion

a

A thick transparent membrane surrounding mammalian ovum before implantation is called………
a) trophoblast             
b) epiblast
c) zona pellucida       
d) chorion

c



Early morula is present in……
a) uterus                                 
b) fallopian tube
c) cervix                                 
d) none of these

b

Explanation: fallopian tube also known as oviduct



By day 3 or 4 after fertilization, the embryo consists of about……cells.
a) 2                 
b) 4                 
c) 8                 
d) 100

d

Explanation: these cells floats free in the uterus



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