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In human females, an event that reflects...

In human females, an event that reflects onset of reproductive phase is

A

growth of body

B

changes in hair pattern

C

change in voice

D

menstruation

Text Solution

Verified by Experts

The correct Answer is:
D
Development of female secondary sexual characters marks onset of puberty and initiation of menstrual cycle reflects onset of reproductive phase.
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OSWAL PUBLICATION-REPRODUCTION-NCERT EXEMPLAR (MULTIPLE CHOICE QUESTIONS)
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  2. The ability of a cell to divide into several cells during reproduction...

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  3. The correct sequence of reproductive stages seen in flowering plants i...

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  4. The number of chromosomes in parents and offsprings of a particular sp...

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  5. In Rhizopus, tubular thread-like structures bearing sporangia at their...

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  6. Vegetative propagation refers to formation of new plants from

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  7. Factors responsible for the rapid spread of bread mould on slices of b...

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  8. Length of pollen tube depends on the distance between

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  9. Which of the following statements are true for flowers? (i) Flowers ...

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  10. Which among the following statements are true for unisexual flowers? ...

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  11. Which among the following statements are true for sexual reproduction ...

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  12. In the given figure the parts A, B and Care sequentially

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  13. Offspring formed as a result of sexual reproduction exhibit more varia...

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  14. Reproduction is essential for living organisms in order to

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  15. During adolescence, several changes occur in the human body. Mark one ...

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  16. In human females, an event that reflects onset of reproductive phase i...

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  17. In human males, the testes lie in the scrotum, because it helps in the

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  18. Which among the following is not the function of testes at puberty? ...

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  19. The correct sequence of organs in the male reproductive system for tra...

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  20. Which among the following diseases is not sexually transmitted?

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