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Mature ovum enters fallopian tube throu...

Mature ovum enters fallopian tube through

A

Nephrostome

B

Ostium

C

Vagina

D

Ureter

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Porogamy is entry for pollen tube through :

Chalazogamy is entry of pollen tube through micropyle.

Correct the statement . Entry of pollen tube through micropyle is called Mesogamy.

Read the given statements and select the correct option Statement 1 : Transfer of an ovum collected from a donor into the Fallopian tube of another female who cannot produce an ovum, is called as GIFT Statement 2 : Transfer of early embryos with upto 8 blastomeres into the Fallopian tube of the female, is called ZIFT.

______involves the transfer of embryo at 8 -celled stage in the fallopian tube of the female.

When pregnancy occurs in the fallopian tube, it is called normal pregnancy.

Assertion : IUT is transfer of embryo with more than 8 blastomeres into the Fallopian tubes Reason : IUT is a very popular method of forming embryos in vivo.

A sperm has just fertilised a human egg in the Fallopian tube. Trace the events that the fertilised egg will undergo upto the implantation of the blastocyst in the uterus.

USHA PUBLICATION-HUMAN REPRODUCTION -EXERCISE
  1. The fusion of the pronuclei of sperm and ovum is known as -----

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  2. Which type of cleavage occurs in the zygote of human female ?

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  3. Mature ovum enters fallopian tube through

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  4. Which extra emboryonic membrane in human prevents desiccation of the e...

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  5. A change in amount of Yolk and its distribution in the egg will affect...

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  6. The first movement of the foetus and appearance of hair on its head ar...

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  7. During which stage of oogenesis the number of chromosomes is reduced t...

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  8. Which germs layers develop into liver and pancreas.

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  9. Notochord develops from which embryonic layer?

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  10. Mammalian placenta is formed from

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  11. In a mature sperm the mitochondria are persent in .

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  12. Which of the following structure is ectodermal in ogrin -----.

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  13. Sertoli cells provide nutrition to----.

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  14. Which one of the following develops into corpus luteum after ovulatio...

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  15. The leydig's cells as found in the human body are the secretory source...

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  16. The product of first maturation division in testis is known as-----.

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  17. Development of spermatozoa is stimulated by which hormone?

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  18. The region where sperm enter the egg is called-

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  19. During fertilisation through which path the male pronucleus moves to m...

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  20. How many spermatozoa are formed from one secondary spermatocyte ?

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