Advertisements
Advertisements
प्रश्न
In humans, there are ____________ pairs of chromosomes.
पर्याय
22
23
44
46
उत्तर
In humans, there are 23 pairs of chromosomes.
APPEARS IN
संबंधित प्रश्न
Write two major functions of testis.
What are the major components of seminal plasma?
ACTH, TSH, ADH, FSH
Differentiate between Spermatogenesis and spermiogenesis.
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
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.
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.
State the Location:
Cowper’s glands
Hormones related to male reproductive system.
How are the sperms formed?
Identify the component(s) of seminal fluid.
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Occurrence of Leydig’s cells and their secretion is ______.
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.
In human males, the testes lie in the scrotum, because it helps in the
Cell at the end of first meiotic division male sperm differentiates into ______.
Answer the following question based on the human male reproductive system:
What is the length of a sperm?
Draw a labelled diagram of male reproductive system.
State very briefly the chief function of the following:
Sperm duct (vas deferens)
