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प्रश्न
Find the odd one out and write it: vagina, uterus, vas deferens, ovary
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उत्तर
Vas deferens.
It is a part of the male reproductive system, while the vagina, uterus and ovary are parts of the female reproductive system.
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संबंधित प्रश्न
Explain the process of fertilization in human beings.
Draw a sectional view of human female reproductive system and label the part where
(i) eggs develop.
(ii) fertilisation takes place.
(iii) fertilised egg gets implanted.
Describe placenta structure.
Describe the function of placenta.
Name the cells that secrete Testosterone
Differentiate between Sperm duct and fallopian rube (function)
Give scientific reasons: Mature erythrocytes in humans lack nucleus and mitochondria
State the main function of the Sperm duct.
Which part of the human body produces ova?
What do the ovaries in a woman produce?
What is the name of the process in which thickened uterus lining alongwith blood vessels is removed from the body of a human female through vaginal bleeding?
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?
State the role of placenta in the development of embryo.
In humans, sperm production occurs in the organ ______.
In humans, ______ chromosome is responsible for maleness.
Pollen grains are formed by ______ division in locules of anthers.
Choose the correct answer:
Fertilization occurs in _____________
Define the following:
Implantation
Give Technical Term:
What are the age restrictions for marriages by law for boys and girls in India?
Mention any two changes that are common to both boys and girls in early teenage years.
