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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Identify True/False statement. Correct false statement to make it true. Androgens are produced by Sertoli cells.

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प्रश्न

Identify True/False statement. Correct false statement to make it true.

Androgens are produced by Sertoli cells.

सत्य या असत्य
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उत्तर

This statement is false.

Correct statement: 

Androgens are produced by interstitial cells or Leydig cells.

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अध्याय 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
अध्याय 2 Human Reproduction
EXERCISES | Q 16. (a) | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
अध्याय 2 Human Reproduction
NCERT EXERCISES | Q 16. (a) | पृष्ठ ११७

संबंधित प्रश्न

Humans reproduce ______.


Describe the structure of a seminiferous tubule.


What is the full form of IVF?


Expand the following biological abbreviations: TSH


Put a tick mark (✓) against the correct alternative in the following statement:

Identify the stage which is formed after the fertilisation of the egg by the sperm?


Name the following : 

The body part in which the testes are present in a human male.


Describe the functions of the following: 

Oviduct 


Sketch the labelled diagram.

Human male reproductive system.


Write the functional activity of the following structure:

Testis


Write the functional activity of the following structure:

Cowper’s gland


Write the functional activity of the following structure:

Seminal fluid


Hormones related to male reproductive system.


Write the functions of Seminal vesicle


Identify the correct sequence of layers that cover the testis (outside to inside).


In the male reproductive system, the vasa deferens joins the ____________.


Urinogenital duct is the ____________.


Which of the following hormone maintains the function of male sex accessory gland and ducts?


Vas deferens receives the duct of seminal vesicle and forms the ______.


Mark the odd one.


Cell at the end of first meiotic division male sperm differentiates into ______.


What is the significance of epididymis in male fertility?


Which of the following provides a proof for forensic test in case of rape?


Assertion (A): Testes in human males are located outside the abdominal cavity in scrotum.

Reason (R): Scrotum provides a lower temperature than the normal body temperature for sperm formation.


Give significance of Leydig's cells.


What is the significance of the testes being located in scrotal sacs outside the abdomen?


Mention the location and the function of Leydig cells.


State very briefly the chief function of the following:

Prostate gland


State very briefly the chief function of the following:

Cowper's gland


Name these:

3 male accessory glands in humans.


Given below is the outline of the male reproductive system. Name the parts labelled 1 to 8. Also name the corresponding structure of part (4) in female reproductive system.


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