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How many sex chromosomes are there in a ...

How many sex chromosomes are there in a sex cell of human-

A

46

B

22

C

2

D

1

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UNITED BOOK HOUSE-HINDU SCHOOL PAPER-EXERCISE
  1. Which pair is correct?

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  2. Which is not a genetical disease?

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  3. How many sex chromosomes are there in a sex cell of human-

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  4. Choose the correct sequence in the evolution of horse-

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  5. The organic base that produced in Miller-Urey experiment-

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  6. Choose which statement is in Lamarck hypothesis-

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  7. Nitrous oxide, Chlorofluro carbon. Carbon-di-oxide, Hydrogen sulphide,...

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  8. Which of the following is related with sanctuary -

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  9. Which of the following statement is not correct about PBR-

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  10. leads to apical dominance

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  11. In meiosis-I is differenceiated.

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  12. The point of location of a gene in a chromsome is called

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  13. helps rohu fish to swim in different layer in water by maintaining dif...

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  14. If non-destroyable pestiside enters into food chain, it leads to

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  15. Infection of part of the respiratory tube takes place in smokers.

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  16. Decide whether the following statements are true or false: Yellow sp...

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  17. Decide whether the following statements are true or false: chromosome...

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  18. Decide whether the following statements are true or false: Male geno...

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  19. Decide whether the following statements are true or false: Organism ...

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  20. Decide whether the following statements are true or false: Nitrobact...

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