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Presence or absence of hymen is not a re...

Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False)

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Why, the presence or absence of hymen is not a reliable indicator of virginity or 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 .

The presence or absence of hymen is

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 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?

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Alcohols on treatment with thionyl chloride, in presence of pyridine, yield alkyl chlorides. This process is called Grove's process. (True/False)

In a bacterial culture, some of the colonies produced blue colour in the presence of a chromogenic substrate and some did not due to the presence or absence of an insert (rDNA) in the coding sequence of beta - galactosidase. (a) Mention the mechanism and the steps involved in this experiment. (b) How is it advantageous over simultaneous plating on two plates having different antibiotics?

Read the following statements and select the correct option stating which one is true (T) and which one is false (F). ( A ) ABO grouping is based on the presence or absence of two surface antigens on leucocytes. ( B ) During first pregnancy there is least chance of occurrence of erythroblastosis foetalis due to Rh incompatibility. ( C ) During blood clotting, conversion of fibrinogen to fibrin occurs by action of enzyme thrombokinase. ( D ) All chordates prossess chambered, muscular, dorsal heart to pump blood throughout the body.

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ALLEN-HUMAN REPRODUCTION -Question
  1. Match the column:-

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  2. The clitoris is a tiny finger-like structure, which lies at:

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  3. Presence or absence of hymen is not a reliable indicator of virginity ...

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  4. A functional mammary gland is characteristic of all animal female. (Tr...

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  5. The glandular tissue of each breast is divided into..........mammary l...

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  6. The cell of......secrete milk.

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  7. The alveoli open into.........

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  8. Several mammary ducts join to form a wider ul((A)) which is connected ...

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  9. The primary sex organs the ul((A)) in the males and the ul((B)) in the...

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  10. Correct sequence of spermatogenesis : (a) spermatogonia (b) sperma...

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  11. After spermiogenesis, sperm head become embedded into the..........

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  12. Match the column:

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  13. Match the column:-

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  14. How many structures are haploid ? Spermatogonia , spermatozoa, sperm...

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  15. How many structures are diploid ? Sperms, spermatid, spermatogonia, ...

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  16. Spermatogenesis starts at the age of ul((A)) due to significant increa...

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  17. ul((A)) acts at the leyding cells and stimulates synthesis and secreti...

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  18. The sperm head contains an elongated diploid nucleus. (True/false)

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  19. Which part of sperm produce energy for the movement of tail ?

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  20. The human male ejaculates about ul((A)) million sperms during a coitus...

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