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What do you understand by menstruation?...

What do you understand by menstruation?

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In females, if the ovum released on a particular month is not fertilized by a sperm, it is discharged from the body along with blood. This process is known as menstruation.
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  1. What do you understand by menstruation?

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  2. Pregnancy is also known as .

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  3. In metamorphosis, a changes into an adult through a series of major c...

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  4. How many daughter cells are formed after one cycle of binary fission?

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  5. What is the first step in binary fission?

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  6. Which feature differentiates a tadpole from an adult frog?

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  7. What does the caterpillar transform into during the life cycle of a bu...

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  8. Which is the correct sequence of development in a frog?

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  9. Which of these is the correct set of examples of oviparous animals?

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  10. What do you call the animals whose embryos develop outside the female'...

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  11. What do you call the animals whose embryos develop inside the female's...

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  12. Which of these animals follows internal fertilization?

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  13. Which of these factors ensure fertilization in fishes?

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  14. Which of these animals follow external fertilization?

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  15. Which structure helps in transportation of ovum from an ovary to uteru...

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  16. Where is the female reproductive system present in human beings?

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  17. Which structure helps in transportation of sperms from testes?

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  18. What is the function of the tail in human sperm?

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  19. What is the approximate age at which a human female attains puberty?

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  20. What is puberty?

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  21. Which of these aptly describes a zygote?

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