Breeding and Biotechnology Two Marks Questions

10th Standard

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20
  1. Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.

  2. Name the types of stem cells.

  3. State the importance of biofertiliser.

  4. How was IR-8 variety produced?

  5. Name the methods of selection.

  6. What is Inbreeding depression?

  7. List the objective of animals breeding?

  8. Differentiate Embryonic and Adult stem cells.

  9. Name the methods of plant breeding to develop high yielding varieties or crop improvment.

  10. Define Genetic engineering.

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