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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.

चूक किंवा बरोबर
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उत्तर

This statement is false.

Correct statement: 

Androgens are produced by interstitial cells or Leydig cells.

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पाठ 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

APPEARS IN

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

संबंधित प्रश्‍न

Pituitary dwarfism is treated with gene therapy by____

(A) Human insulin
(B) Tissue growth factor - Beta
(C) Tissue plasmogen activator
(D) Human growth hormone producer gene


Choose the ODD one out of the following terms given and name the CATEGORY to which the others belong:

ACTH, TSH, ADH, FSH


Differentiate between Rod cells and cone cells (pigment)


The exact location of the seminal vesicle


Define Spermatogenesis.


Define Reproductive health


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

The testes are located within the:


What is semen? 


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


Complete the following statement by choosing the correct alternative:

Male copulatory organ ______.


Given below is the schematic diagram of the sectional view of the human male reproductive system.

State the functions of the parts numbered 1, 2, 3, 5, 8 and 11.


What differences are there in number, structure, and activity of the male and female gametes in a man?


Explain the Term Penis.


Write the functional activity of the following structure:

Testis


Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.


In the male reproductive system, the vasa efferentia opens into the ______.


Semen is secreted by ______.


The enlarged end of penis is covered by a loose fold of skin is called ______.


In humans, male germs cells differentiate into ______ at the end of first meiotic division.


Sertoli cells are regulated by the pituitary hormone known as ______.


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


Prostate glands are located below ______.


Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.


Why do only male gametes have a tail?


The shared terminal duct of the reproductive and urinary system in the human male is ______.


The Leydig cells as found in the human, body are the secretory source of ______.


______ carries sperms to the seminal vesicles.


Vasa efferentia exist in between:


What is the significance of epididymis in male fertility?


What are spermatogonia?


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