Breeding and Biotechnology Four and Seven Marks Questions

10th Standard EM

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 55
    5 x 4 = 20
  1. Write a note an selection.

  2. Write a essay on polyploidy breeding.

  3. Why are Genetically modified organisms produced? Explain the purpose and advantages.

  4. Plants seeds got from other countries are tested in plant quarantine. Reason out.

  5. A farmer has lot of banana trees in his form. He wishes to go in for selection to improve the crop. Which method can he adopt in banana?

  6. 5 x 7 = 35
  7. Describe mutation breeding with an example.

  8. Biofortification may help in removing hidden hunger. How?

  9. With a neat labelled diagram explain the techniques involved in gene cloning.

  10. A breeder wishes to incorporate desirable characters into the crop plants. Prepare a list of characters he will incorporate

  11. Organic farming is better than Green Revolution. Give reasons.

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