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The number of chromosomes in the shoot t...

The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be:

A

20

B

10

C

40

D

15

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ICSE-SELF ASSESSMENT PAPER 06-PART - II (SECTION .C.)
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  4. Represent diagrammatically the E.coli cloning vector pBR322.

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  5. Answer the following questions based on Hershey and Chase.s experiment...

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  6. Answer the following questions based on Hershey and Chase.s experiment...

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  7. Answer the following questions based on Hershey and Chase.s experiment...

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  8. Answer the following questions based on Hershey and Chase experiments:...

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  9. Following the collision of two trains a large number of passengers wer...

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  10. Give an example of an ecological pyramid which is always upright. Just...

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  11. How is child affected if it has grown from the zygote formed by an XX-...

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  12. Write note on: (i) Haemophilia (ii) Downs Syndrome

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  13. Explain enzyme-replacement therapy to treat adenosine deaminase defici...

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  14. Give a brief account of genetic engineering.

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  15. Represent diagrammatically the E.coli cloning vector pBR322.

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  16. Answer the following questions based on Hershey and Chase.s experiment...

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  17. Answer the following questions based on Hershey and Chase.s experiment...

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  18. Answer the following questions based on Hershey and Chase.s experiment...

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  19. Answer the following questions based on Hershey and Chase experiments:...

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  20. Following the collision of two trains a large number of passengers wer...

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  21. Give an example of an ecological pyramid which is always upright. Just...

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