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Biology Test 33...

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  • Question 1
    4 / -1

    What is the primary function of surfactant in the lungs?

  • Question 2
    4 / -1

    Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary DNA in a clone of cells, followed by its detection using autoradiography because:

  • Question 3
    4 / -1

    In the five-kingdom system of classification proposed by R.H. Whittaker, which kingdom does not include photosynthetic organisms?

  • Question 4
    4 / -1

    Which of the following is a characteristic feature of archaebacteria that distinguishes them from eubacteria?

  • Question 5
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    Which of the following processes in bacteria involves the transfer of genetic material by a bacteriophage?

  • Question 6
    4 / -1

    Which group of algae is known for forming "red tides" that can produce toxins harmful to marine life?

  • Question 7
    4 / -1

    The Taq polymerase enzyme is obtained from

  • Question 8
    4 / -1

    Which process involves the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration?

  • Question 9
    4 / -1

    Which of the following is not required for any of the techniques of DNA fingerprinting available at present?

  • Question 10
    4 / -1

    What is the main function of chloroplasts in plant cells?

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