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Question
Write two major functions of testis.
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Solution
- They produce male gametes called spermatozoa by the process of spermatogenesis.
- The leydig cells of the seminiferous tubules secrete the male sex hormone called testosterone. Testosterone aids in the development of secondary sex characteristics in males.
RELATED QUESTIONS
Write the location and functions of the following in human testes :
Leydig cells
Identify True/False statement. Correct false statement to make it true.
Androgens are produced by Sertoli cells.
Identify True/False statement. Correct false statement to make it true.
Leydig cells synthesise androgens.
Define Reproductive health
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Describe the functions of the following:
Prostate gland
Describe the functions of the following:
Testis
Choose the correct answer:
Temperature of scrotum is ______________
Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions that follow:

(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 3.
(iii)What is the significance of the testes being located in the scrotal sac outside the abdomen?
(vi)What is the role played by the inguinal canal?
(v) What is semen?
State the Location:
Seminal vesicle
Write the functional activity of the following structure:
Testis
Write the functional activity of the following structure:
Cowper’s gland
Find an odd one out.
Which of the following is a secondary sexual character observed in males?
Identify the accessory sex gland consisting of 20-30 separate lobes and secreting about 30% of semen.
______ highly coiled seminiferous tubules are present in each testicular lobule.
Select the MISMATCHED pair.
In the process of spermatogenesis, first maturation division is called ______.
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Urethral meatus refers to the ______.
Occurrence of Leydig’s cells and their secretion is ______.
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is ______.
Which of the following hormone maintains the function of male sex accessory gland and ducts?
Which one of the following is not a male accessory gland?
Seminal plasma, the fluid part of semen is formed by ______.
Spot the odd one out from the following structures with reference to the male reproductive system.
Seminal plasma, the fluid part of semen is formed by ______.
Mark the odd one.
Mark the odd one.
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: In the male reproductive system, the transport of sperm takes place in a fluid that also provides nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
The path of sperm transport is given below. Provide the missing steps in blank boxes.

Explain the function of the following structure in the human male reproductive system.
Scrotum
The male accessory gland whose secretion neutralizes the acidity of the urethra and vagina is ______.
The thin-walled sac of skin in which testis descends is ______.
What is the primary role of the testes?
The seminal vesicles are paired glands located at which position relative to the urinary bladder?
