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प्रश्न
Multiple Choice Question:
What will happen if the temperature of the scrotal sacs temporarily goes to about 2°C lower than body temperature?
पर्याय
Sperm formation will be stopped
Testes will start rotation movement
Scrotal sacs will contract and come close to the body
Scrotal sacs will relax and go down away from the body
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उत्तर
Scrotal sacs will contract and come close to the body
संबंधित प्रश्न
Which structure in human female is equivalent to the penis in the male?and in what respect the structures are equivalent?
Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of human male reproductive system?
In a flower, the parts that produce male and female gametes are respectively :
(a) sepal and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style
When a fertilised egg E formed in the oviduct of a human female divides repeatedly to form an embryo, the embryo gets implanted in the thick and soft lining of the uterus. After this a disc-like special tissue T develops between the uterus wall and embryo through which all the requirements of the developing embryo (and foetus) are met from the mother's body, The embryo is connected to the tissue T through a string like structure S.
(a) What is the other name of fertilised egg cell E?
(b) What is the name of tissue T?
(c) Name the string-like structure S.
(d) Name two substances which pass from mother's blood to embryo through tissue T and, one type of substance which passes from embryo to mother's blood.
(e) What happens to S when the baby is born? Why?
Describe in brief the role of testis in human male reproductive system.
State the role of placenta in the development of embryo.
Give appropriate term of the following:
The onset of reproductive phase in a young female.
Choose the correct answer:
Fertilization occurs in _____________
Explain the term Parturition or birth.
Freshly released human egg has ______.
