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- #National Eligilibility Cum Entrance Test
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Fertilization in humans is practically feasible only if:
- Option 1)
the sperms are transported into vagina just after the release of ovum in fallopian tube.
- Option 2)
the ovum and sperms are transported simultaneously to ampullary -isthmic junction of the fallopian tube.
- Option 3)
the ovum and sperms are transported simultaneously to ampullary -isthmic junction of the cervix.
- Option 4)
the sperms are transported into cervix within 48 hrs of release of ovum in uterus.
Answers (1)
Process of Fertilisation -
The motile sperms swim rapidly, pass through the cervix, enter into the uterus and finally reach the ampullary region of the fallopian tube. The ovum released by the ovary is also transported to the ampullary region where fertilisation takes place. Fertilisation can only occur if the ovum and sperms are transported simultaneously to the ampullary region.
- wherein
This is the reason why not all copulations lead to fertilisation and pregnancy.
Fertilisation takes place in the ampullary region of fallopian tube.
Option 1)
the sperms are transported into vagina just after the release of ovum in fallopian tube.
Option is incorrect
Option 2)
the ovum and sperms are transported simultaneously to ampullary -isthmic junction of the fallopian tube.
Option is correct
Option 3)
the ovum and sperms are transported simultaneously to ampullary -isthmic junction of the cervix.
Option is incorrect
Option 4)
the sperms are transported into cervix within 48 hrs of release of ovum in uterus.
Option is incorrect
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