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12th Standard English Medium Biology (Botany) Subject Principles and Processes of Biotechnology Creative 1 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. Identify the incorrect statement:

    (a)

    French chemist Louis Pasteur demonstrated the fermentation.

    (b)

    Fermentor is a vessel providing optimal condition for microbial action.

    (c)

    Solvent extraction is an upstream process of fermentation.

    (d)

    Distillation and filtration comes under down stream process.

  2. The bacteria responsible for causing Crown Gall:

    (a)

    Escherichia coli

    (b)

    Bacillus subtilis

    (c)

    Bacillus thuringiensis

    (d)

    Agrobacterium tumefaciens

  3. Observe the diagram and name A and B.

    (a)

    A - Plasmid B - Vector

    (b)

    A - Nucleoid - B - Plasmid

    (c)

    A - Bacterial chromosome B - Vector

    (d)

    A - Nucleoid - B - x phage DNA

  4. Statement 1: YAC plasmid behaves like a yeast chromosome.
    Statement 2: Circular YAC multiplies in bacteria.

    (a)

    Statement 1 is correct and Statement 2 is also correct.

    (b)

    Statement 1 is correct and Statement 2 is incorrect

    (c)

    Both the statements are incorrect.

    (d)

    Statement 1 is incorrect and Statement 2 is correct.

  5. Statement 1: DNA is a hydrophobic molecule.
    Statement 2: T-DNA is a part of E-coli plasmid.

    (a)

    Statement 1 is correct and Statement 2 is also correct.

    (b)

    Statement 1 is correct and Statement 2 is incorrect.

    (c)

    Both the statements are incorrect.

    (d)

    Statement 1 is incorrect and Statement 2 is correct.

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