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I originate from the digestive canal of ...

I originate from the digestive canal of the embryo. I am a tube like structure I have very important blood vassels that connect the embryo with the placenta. Who am I?

A

Chorion

B

Amnion

C

Allantois

D

Follicle

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VGS PUBLICATION-BRILLIANT-REPRODUCTION-EXERCISE
  1. Mention the modes of reproduction in Algae and Fungi.

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  2. Give an example for modified underground stem .

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  3. At 14 th or 15th week of pregnancy the location of foetus and placenta...

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  4. How can you say that placenta supplies nutrition to embryo?

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  5. 'Colostrum' refers to

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  6. What is the need of sexual reproduction ?

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  7. Name the surgical birth control method in males.

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  8. The female hormone inhibin is secreted by

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  9. The leaf which produces spores is called

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  10. The basic forms of asexual reproduction are fission, budding gemmulati...

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  11. Mature Graafian follicle is generally present in the ovary of a health...

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  12. What are the changes that occur in uterus while embryo is devoloping?

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  13. I originate from the digestive canal of the embryo. I am a tube like s...

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  14. Pregnancy lasts, on an average of

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  15. The outermost whorl of a flower is

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  16. Monoecious inflorescence with unisexual flowers is

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  17. The number of cells in embryo sac 1) 7 cells 7 nuclei ii) 7 cells, 8 n...

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  18. What are the methods of artificial propagation ?

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  19. Surgical method: Tubectomy : : Barrier method:……..?.............

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  20. Which of the following group does not constitute vegetative propagatio...

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