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The presence or absence of hymen is not ...

The presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/false)

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Read the following statements and find out the incorrect statements (a) Androgens are produced by Sertoli cells (b) Spermatozoa get nutrition from Sertoli cells (c ) Leyding cells are found in ovary (d) Leyding cells synthesise androgens (e) Oogenesis takes place in corpus luteum (f) Menstrual cycle ceases during pregnancy (g) Presence or absence of hymen is not a reliable indictor of virginity of sexual experience

A : Presence or absence of hymen is not a reliable inducator of virginity or sexual experience . R : It can be broken down by a sudden fall or jolt insertion of a vaginal tampon or active participation in some sports like horse riding .

Read the following statements and find out the incorrect statements. a. Mons pubis is a cushion of fatty tissue covered by skin and pubic hair. b. The labia minora are fleshy folds of tissue, which extend doen from the mons pubis and surround the vaginal opening. c. The opening of the vagina is often covered partially by a membrane called hymen. d. The clitoris lies at the upper junction of two labia majora above the urethral opening . e. The presence or absence of hymen is a reliable indicator of virginity or sexual experience.

Go through the following statements (i) Androgens are produced by the interstitial cells (ii) Sertoli cells give rise to germ cells (iii). Secretions of male accessory glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes (iv) The presence or absence of hymen is a very reliable indicator of virginity. Which of these are correct?

State true or false. Phenolphthalein is a natural indicator .

PRADEEP-HUMAN REPRODUCTION -NCERT EXERCISES WITH ANSWERS
  1. Define spermiogenesis and spermiation.

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  2. Draw a labeled diagram of sperm.

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  3. What are the major components of seminal plasma?

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  4. What are the major functions of male accessory ducts and glands?

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  5. What is oogenesis? Give a brief account of oogenesis.

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  6. Draw a labeled diagram of a section through ovary.

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  7. Draw a labeled diagram of a Graafian Follicle?

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  8. Name the functions of the following. (a) Corpus luteum (b) End...

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  9. Androgens are produced by Sertoli cells. (True/False)

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  10. Spermatozoa get nutrition from Sertoli cells. (True/False)

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  11. Leydig cells are found in ovary. (True/False)

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  12. Leydig cells synthesise androgens. (True/False)

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  13. Oogenesis takes place in corpus luteum. (True/False)

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  14. Menstrual cycle ceases during pregnancy. (True/False)

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  15. The presence or absence of hymen is not a reliable indicator of virgin...

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  16. What is menstrual cycle ? Name the hormones that regulate menstrual cy...

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  17. What is parturition? Which hormones are involved in induction of partu...

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  18. In our society the women are often blamed for giving birth to daughter...

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  19. How many eggs are released by a human ovary in a month ? How many eggs...

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  20. How many eggs do you think were released by the ovary of a female dog ...

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