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Tardigrade
Question
Biology
The most primitive type of mammalian placenta is :
Q. The most primitive type of mammalian placenta is :
1986
198
Rajasthan PMT
Rajasthan PMT 1998
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A
epithelio - chorial
B
syndesmo - chorial
C
endothelio - chorial
D
haemo - chorial
Solution:
Epithelio-chorial placenta is primitive type having 6 layers e.g. old hoofed mammals (Horse, Ass etc.)