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The number of chromosomes in parents and...

The number of chromosomes in parents and offsprings of a particular species remains constant. due to

A

halving of chromosome number during gamete formation

B

doubling of chromosome number during gamete formation

C

doubling of chromosome number after gamete formation

D

multiplication of chromosomes during gamete formation .

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The correct Answer is:
A
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BHARATI BHAWAN (ENGLISH)-REPRODUCTION -Objective Questions
  1. Which of the following factors is/are repsonsible for rapid spread fo...

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  2. Why is reproduction essential for living organisms ?

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

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  4. Why do offspring formed b asexual reproduction look very similar amon...

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  5. Characters that are transmitted from parents to offspring during repro...

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  6. Sexual reproduction results in more variations in the offspring becaus...

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  7. Which of the following statements are true ?

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  8. The male and female gamete-producing organs of a flower is called.

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  9. Which of the following do not represent the correct sequence of reprod...

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  10. Which of the following sequence of events do not represent the corre...

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  11. Which of the following statements are correct ?

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  12. Choose the correct statements among the following :

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  13. Pollen tube grows out of pollen grain and reaches the ovary finally th...

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  14. Length of pollen tube exhibits the distance from

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  15. Which of the following diseases is/are transmitted through sexual cont...

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  16. Which of the following changes occurs during adolescence in boys ?

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  17. Which of the following represents the correct sequence of organs for t...

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  18. Why does testes lie in the scrotum outside the body cavity in human ma...

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  19. Sperms from the testis pass through

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  20. Which of the following functions are not related to testes ?

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