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प्रश्न
What is sexual reproduction? What are its essential features?
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उत्तर
It is a type of reproduction usually found in higher animals and plants where male and female sexes produce male and female heterogametes separately, which on fertilisation produce a zygote.
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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.
What are the different methods of contraception?
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
Which part of the human body produces ova?
What do the ovaries in a woman produce?
What is the frequency of menstrual cycle in human females (or women)?
Describe in brief the role of testis in human male reproductive system.
Sketch and label human female reproductive system.
Is the woman responsible for sex-determination of child? Justify your answer.
Multiple Choice Question:
What will happen if the temperature of the scrotal sacs temporarily goes to about 2°C lower than body temperature?
______ is a lytic enzyme released by the sperm.
