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प्रश्न
Choose the correct answer:
The aim of sexual reproduction _________
विकल्प
over production
continuity of race
low production
none
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उत्तर
The aim of sexual reproduction continuity of race
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संबंधित प्रश्न
List any four methods of contraception used by humans. State in brief two advantages of adopting such preventive methods.
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
Describe in brief the structure of placenta
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?
Explain why, a human zygote is more likely to grow into an adult than a frog zygote.
Trace the path of sperms from where they are produced in human body to the exterior.
List and explain in brief three methods of contraception.
Answer the following question:
Why are family planning measures needed in our country?
Rewrite the following terms in a correct and logical sequence:
The luteal phase, follicular phase, menstrual phase, ovulatory phase.
Which stage of human reproduction involves the fusion of sperm and egg to form a zygote?
