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Differentiate between morula and blastoc...

Differentiate between morula and blastocyst as stages in human embryonic development. Which of these stages gets implanted in the uterine wall and about how many days after fertilization?

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(a) Draw a diagrammatic sectional view of the female reproductive system of human and label the parts (i) where the secondary oocytes develop (ii) which helps in collection of ovum after ovulation (iii) where fertilization occurs (iv) where implantation of embryo occurs.

Study the figure given below and answer the questions that follow : (a)Name the stage of human embryo the figure represents. (b)Identify 'A' in the figure and mention its function . ( c )Mention the fate of the inner cell mass after implantation in the uterus . (d)Where are the stem cells located in this embryo ?

A radioactive element gets spilled over the floor of a room. Its half-life period is 30 days. If the initial activity is ten times the permissible value, after how many days will it be safe to enter the room ?

(a) At which stage of life does gametogenesis begin in human male and female respectively ? (b )Name the organs where gametogensis gets completed in male and female respectively.

(a) Draw a sectional view of human female reproductive system and label the part where (i) eggs develop. (ii) fertilization take place. (iii) fertilized egg gets implanted. (b) Describe, in brief, the changes the uterus undergoes (i) to receive the zygote. (ii) if zygote is not formed.

OSWAAL PUBLICATION-HUMAN REPRODUCTION-TOPIC-2 (MENSTRUAL CYCLE,FERTILISATION AND PREGNANCY)(SHORT ANSWER TYPE QUESTIONS-I)
  1. Menstrual cycles are absent during pregnancy. Why?

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  2. Women experiences two major events in their life time one at menarche ...

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  3. Corpus luteum in pregnancy has a long life. However, if fertilisation ...

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  4. Placenta has endocrine function. Does it have other functions? Explain...

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  5. What are the events taking place in the ovary and uterus during follic...

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  6. Given below is a flow chart showing ovarian changes during menstrual c...

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  7. Differentiate between morula and blastocyst as stages in human embryon...

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  8. Name the hormone responsible for the descent of testes into the scrotu...

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  9. What is pregnancy hormone? Why is it so called? Name two sources of th...

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  10. (a) Name the foetal membrane that provides a fluid medium to the devel...

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  11. What structure forms the corpus luteum and at what stage? Name two hor...

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  12. Differentiate between the action of LH in males and females.

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  13. Mention the significance of fertilization.

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  14. What is fertilization membrane? How it is formed?

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  15. What is parturition ? Which hormones are involved in induction of part...

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  16. What is menstrual cycle? Which hormones regulate menstrual cycle?

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  17. Differentiate between menarche and menopause.

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  18. What is corpus luteum? Under what conditions does it undergo degenerat...

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  19. What is colostrum? How the milk production hormonally regulated?

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  20. What is placenta? Give its functions?

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