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Which of the following is not the correc...

Which of the following is not the correct for gastrulation ?

A

Archenteron is formed

B

All germinal layers are formed

C

Morphogenetic movements

D

Blastomeres and gastrocoel degenerate

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-HUMAN REPRODUCTION -EXERCISE - 2 (NCERT BASED QUESTIONS)
  1. During oogenis , the small structures separated from egg is :

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  2. Foetal sex can be determined by examining cells from amniotic fluid lo...

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  3. Which of the following is not the correct for gastrulation ?

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  4. In human foetus , the heart begins to beat at developmental age of :

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  5. Development of animal embryo from egg without fertilization is called ...

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  6. During embryonic development , endoskeleton and muscle develop from wh...

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  7. Polar bodies are produced during the formation of:

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  8. The part where fertilization of ovum occurs in placental mammals is :

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  9. In a vertabrate which germ layer forms the skeletal muscles ?

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  10. Liver and pancreas of frog and rabbit are derived from :

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  11. Which germ layer developes first during embryonic development?

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  12. Acrosome of spermatozoa is formed from :

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  13. The nervous system of vertebrates is derived from :

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  14. Cavity formed during gastrulation is

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  15. In a sperm, the mitochondria occur:

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  16. Identical twins will be produced when:

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  17. Which set of enzymes is found in the acrosome of mammalian spermatozoa...

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  18. Fixing up of the blastocyst in the wall of the uterus is known as:

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  19. The type of placenta fund in human beings is of type :

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  20. Placenta in human beings is formed by :

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