Breeding and Biotechnology Model Question Paper

10th Standard EM

    Reg.No. :
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Science

Time : 02:30:00 Hrs
Total Marks : 60
    6 x 1 = 6
  1. Pusa Komal is a disease resistant variety of _________.

    (a)

    sugarcane

    (b)

    rice

    (c)

    cow pea

    (d)

    maize

  2. Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.

    (a)

    chilli

    (b)

    maize

    (c)

    sugarcane

    (d)

    wheat

  3. rDNA is a

    (a)

    vector DNA

    (b)

    circular DNA

    (c)

    recombinant of vector DNA and desired DNA

    (d)

    satellite DNA

  4. Organisms with modified endogenous gene or a foregin gene are also known as

    (a)

    transgenic organsims

    (b)

    genetically modified

    (c)

    mutated

    (d)

    both a and b

  5. Dr. Norman received the Nobel peace prize in_________

    (a)

    1960

    (b)

    1980

    (c)

    1956

    (d)

    1970

  6. The International rice research institute is located at___________.

    (a)

    New Delhi

    (b)

    Mexico

    (c)

    Phillipines

    (d)

    China

  7. 5 x 1 = 5
  8. Economically important crop plants with superior quality are raised by_________.

    ()

    plant breeding

  9. __________ technique made it possible to genetically engineer living organism. 

    ()

    Gene therapy

  10. Similar DNA fingerprinting is obtained for __________.

    ()

    identical twins

  11. In gene cloning the DNA of interest is integrated in a __________.

    ()

    vector

  12. ________is a hybrid of wheat and rye

    ()

    Triticale

  13. 5 x 1 = 5
  14. Sonalika

  15. (1)

    Sugarcane

  16. Saccharum

  17. (2)

    Beta carotene

  18. Insulin

  19. (3)

    first hormone produced using rDNA technique

  20. Golden rice

  21. (4)

    Replication

  22. Plasmid

  23. (5)

    Semi-dwarf wheat

    5 x 2 = 10
  24. Define genetic engineering.

  25. Name the types of stem cells.

  26. State the importance of biofertiliser.

  27. Mention two characteristics of stem cells.

  28. What is rDNA?

  29. 5 x 4 = 20
  30. Discuss the method of breeding for disease resistance.

  31. Name two maize hybrids rich in amino acid lysine.

  32. State the applications of DNA fingerprinting technique.

  33. Differentiate between outbreeding and inbreeding.

  34. Write a note an selection.

  35. 2 x 7 = 14
  36. Describe mutation breeding with an example.

  37. Discuss the importance of biotechnology in the field of medicine.

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