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The main function of trophoectodrm...

The main function of trophoectodrm

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During embryonic development, the blastocyst formed consists of an outer envelope of cells called the trophoblast and the inner cell mass. The cells of trophoblast form chorion and amnion and hence part of placenta.
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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. identify the labelled parts A-D in the given figure of human foetus wi...

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  2. Structure connecting the fetus to placenta is

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  3. The main function of trophoectodrm

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  4. Why cannot a woman get pregnant again during pregnancy?

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  5. Fetus gets nourishment and oxygen through

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  6. hCG, hPL and relaxin are produced in women

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  7. Which of the following hormones is not a secretory product of human pl...

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  8. Urine test during pregnancy determines the presence of

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  9. In a normal pregnant woman, the amount of total gonadotropin activity ...

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  10. In the event of pregnancy, the corpus luteum persists under the influe...

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  11. During the development of embryo, which of the following occurs first?

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  12. Given below are four statements each with one or two blanks. Select th...

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  13. Identify the correctly matched pair/pairs of the germ layers and their...

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  14. Fill the blanks in the given statements and select the correct option ...

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  15. The structures derived from extoderm are (i). Pituitary gland (ii)...

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  16. Gastrula is the embryonic stage in which

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  17. In the development of the human body, the ectoderm is responsible for ...

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  18. Slect the option that correctly fills up the blanks in the given parag...

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  19. The first movements of the fetus and appearance of hair on its head ar...

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  20. The early stage human embryo distinctly possesses

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