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प्रश्न
Write two major functions of testis.
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उत्तर
- 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.
संबंधित प्रश्न
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.
Why is it important that a very large number of sperms should be present in the semen ?
List the structures, in their correct sequence, through which the sperms must pass from the time they are produced in the testes to the time they leave the urethra.
Fill in the blank:
Male gemetes are produced inside _______.
What happens in a boy’s body under the influence of hormones?
Write important function of the following:
Inguinal canal
Describe the functions of the following:
Testis
Describe the functions of the following:
Oviduct
Define the following term:
Hernia
Differentiate between the following pair:
Bulbo-urethral gland and prostate gland
Differentiate between the following pair:
Hymen and clitoris
Choose the correct answer:
Removal of testes is called ____________
With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum.
A couple is unable to conceive. Which modern techniques are available to overcome this problem?
Differentiate
Urinogenital duct and Ureter.
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?
The diagram shown below is the lateral section of the testis of man. Study it carefully and answer the questions that follow:
(i) Label the part I to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 2.
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
Explain the term Androgens.
Name the Following
The hormone that stimulates the development of secondary sexual characters in males.
Multiple Choice Question:
Which one of the following Is the route that a sperm follows when it leaves the testes of a mammal?
State names of organs in male reproductive system.
Identify the location of Leydig cells.
Which of the following is a secondary sexual character observed in males?
In the male reproductive system, the vasa deferens joins the ____________.
The ________ secrete testosterone after puberty.
The enlarged end of penis is covered by a loose fold of skin is called ______.
In the process of spermatogenesis, first maturation division is called ______.
Spermatids are transformed into sperm by a process called ______.
The vas deferens receives duct from the seminal vesicle and opens into urethra as ______.
Urethral meatus refers to the ______.
Male hormone is produced in the testis by cells of ______.
______ carries sperms to the seminal vesicles.
What is the length of the sperm?
