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प्रश्न
What are the signs of puberty in human males and females?
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उत्तर
In a boy: Change of voice and discharge of semen.
In a girl: Appearance of the menses, the appearance of mammary glands, and widening of the hips.
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संबंधित प्रश्न
What is placenta?
What are the functions of testes in the human male reproductive system?
Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?
Match the Column:
| no | Column A | Column B |
| 1 | Allele | Control of automobile exhaust |
| 2 | Leydig cells | Tourniquet |
| 3 | Utriculus | Alternate forms of genes |
| 4 | Snake bite | Dynamic equilibrium |
| 5 | Euro IV norms | Testosterone |
| Sudden change in genes | ||
| Static equilibrium |
What are the male sex cells in humans called?
What is gestation period? How much is the gestation period in humans?
State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.
Name the following:
Organ where implantation takes place.
How does human sperm locomote?
Given below are the events in human reproduction. Write them in correct sequential order.
Insemination, gametogenesis, fertilisation, parturition, gestation, implantation
