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Biotechnology — GK Questions with Answers

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6 questions
  1. What is Dolly the sheep known for?
    1. being the first GM organism
    2. being the first mammal cloned from an adult cell
    3. being the first transgenic plant
    4. none of these
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    Answer: (B) being the first mammal cloned from an adult cell

    Dolly the sheep was the first mammal successfully cloned from an adult cell through differentiation.

  2. Who is affected by germ-line gene therapy?
    1. only that one patient
    2. the patient's future generations too
    3. only a lab culture
    4. none of these
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    Answer: (B) the patient's future generations too

    Germ-line gene therapy changes sperm or egg cells, so the change is passed down to future generations.

  3. Which bacterium supplies the gene that makes Bt cotton pest-resistant?
    1. Escherichia coli
    2. Bacillus thuringiensis
    3. Lactobacillus
    4. Rhizobium
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    Answer: (B) Bacillus thuringiensis

    Bt cotton carries a cry-toxin gene taken from the soil bacterium Bacillus thuringiensis (Bt).

  4. Why was Golden Rice genetically modified?
    1. to increase protein
    2. to produce beta-carotene
    3. to resist pests
    4. to stay fresh longer
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    Answer: (B) to produce beta-carotene

    Golden Rice was engineered so its edible grain biosynthesises beta-carotene, a precursor of vitamin A.

  5. What is ELISA most commonly used to test for?
    1. malaria
    2. HIV antibodies
    3. tuberculosis
    4. dengue
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    Answer: (B) HIV antibodies

    One of the main uses of ELISA is detecting HIV antibodies in blood samples.

  6. Which "colour" branch of biotechnology is linked to agriculture?
    1. red
    2. white
    3. green
    4. blue
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    Answer: (C) green

    Green biotechnology is the branch connected with applying biotechnology to agricultural processes.

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