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प्रश्न
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Female gonad : Ovaries :: Male gonad : ______.
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उत्तर
Female gonad : Ovaries :: Male gonad : Testes.
संबंधित प्रश्न
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.
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
Do all organisms give birth to individuals like humans?
What is the life support system of a fetus?
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?
Explain how the sex of the child is determined at the time of conception in human beings.
Give the name:
Methods of family planning.
What is reproduction? List its two types.
Define the following:
Monoceious
Identify the given diagram.
Name the parts 1 to 5. 
