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

12th Standard

    Reg.No. :
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Biology

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

    1 Marks

    5 x 1 = 5
  1. Restriction enzymes are _____.

    (a)

    Not always required in genetic engineering

    (b)

    Essential tools in genetic engineering

    (c)

    Nucleases that cleave DNA at specific sites

    (d)

    both b and c

  2. Plasmids are ______.

    (a)

    circular protein molecules

    (b)

    required by bacteria

    (c)

    tiny bacteria

    (d)

    confer resistance to antibiotics

  3. EcoRI cleaves DNA at ____.

    (a)

    AGGGTT

    (b)

    GTATATC

    (c)

    GAATTC

    (d)

    TATAGC

  4. Genetic engineering is _____.

    (a)

    making artificial genes.

    (b)

    hybridization of DNA of one organism to that of the others.

    (c)

    production of alcohol by using micro organisms.

    (d)

    making artificial limbs, diagnostic instruments such as ECG, EEG etc.,

  5. Consider the following statements:
    I. Recombinant DNA technology is popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic materials by man invitro
    II. pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriguez from E.coli plasmid
    III. Restriction enzymes belongs to a class of enzymes called nucleases.
    Choose the correct option regarding above statements

    (a)

    I & II

    (b)

    I & III

    (c)

    II & III

    (d)

    I,II & III

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