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प्रश्न
Give Technical Term:
What are the age restrictions for marriages by law for boys and girls in India?
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उत्तर
For boys 21 years; for girls 18 years
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संबंधित प्रश्न
Newly formed DNA copies may not be identical at times. Give one reason.
What are the organs in humans which produce the gametes?
Mention two functions of human ovaries.
fertilisation in humans can occur only once in a month. Why?
Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of human male reproductive system?
Trace the path of sperms from where they are produced in human body to the exterior.
Give two important unique features of the human reproductive system.
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
Consider the following:
- The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
- The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
- The first polar body is associated with the formation of the primary oocyte.
- Luteinising Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
