The eutherian placenta is derived from or In mammals placenta is formed by
The eutherian placenta is derived from or In mammals placenta is formed by
- A
Yolk sac
- B
Amnion
- C
Allantois
- D
Chorion allantois
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In adults, length and width of testis is about.....repectively
In adults, length and width of testis is about.....repectively
Extra embryonic membrane amnion is not found in amphibians because
Extra embryonic membrane amnion is not found in amphibians because
Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.
Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.
- [AIIMS 2009]
Which of the following is the group of external genitalia in human female?
Which of the following is the group of external genitalia in human female?
$A$ : All copulations do not lead to fertilisation and pregnancy.
$R$ : Fertilisation can occur if the ovum and sperms are transported simultaneously to the ampullary-isthmic junction
$A$ : All copulations do not lead to fertilisation and pregnancy.
$R$ : Fertilisation can occur if the ovum and sperms are transported simultaneously to the ampullary-isthmic junction