Advertisements
Advertisements
प्रश्न
State the main function of the Sperm duct.
उत्तर
Sperm duct – It carries sperms from the epididymis to the urethra.
APPEARS IN
संबंधित प्रश्न
Name any three parts of the female reproductive system in human beings. Write one function of each.
List two example of each diseases caused due to (i) bacterial infection and (ii) viral infection. Which device or devices may be used to prevent the spread of such diseases.
What are the changes seen in girls at the time of puberty?
State the changes that take place in the uterus when Female gamete/egg is not fertilised
When a cell reproduces, what happens to its DNA?
In human females, an event that indicates the onset of reproductive phase is :
(a) growth of body
(b) change in hair pattern
(c) change in voice
(d) menstruation
When a female child is born, her ovaries already contain thousands of immature eggs (or ova) contained in immature structures A. On maturing, A bursts open and an egg shoots out of the ovary in a process called B. The process B starts in the females at puberty and occurs again and again after a time period x. Before every occurrence of process B, the inner lining of uterus becomes thick and soft with lots of blood vessels in it. When the egg cell gets fertilised by a sperm, then an event C occurs in the life of mature human female which lasts for time period y leading to the birth of baby. If, however, the egg cell released by the ovary does not get a sperm to fuse with, then the thick and soft inner lining of uterus breaks down and comes out of the female's body in an event called D. The occurrence of event D is controlled by chemical substances E.
(a) What are A?
(b) What is process B?
(c) What is the time period x?
(d) Name the event C.
(e) How much is the time period y?
(f) What is the name of process D?
(g) Name the chemical substances E.
Fill in the blank.
In humans, sperm production occurs in the organ ----------------.
Choose the correct answer:
When pregnancy does not occur, the life of corpus luteum is about _____________
Freshly released human egg has ______.
