Cell-The Unit of Life


  1. Cell wall is absent in :









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    Mycoplasma lacks cell wall.

    Correct Option: B

    Mycoplasma lacks cell wall.


  1. Which one of the following is not an inclusion body found in prokaryotes?









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    Polysomes are found in eukaryotes and are defined as a cluster of ribosomes attached to a mRNA molecule. Polysomes are number of ribosomal complexes situated on mRNA.

    Correct Option: C

    Polysomes are found in eukaryotes and are defined as a cluster of ribosomes attached to a mRNA molecule. Polysomes are number of ribosomal complexes situated on mRNA.



  1. Organelles can be separated from cell homogenate through









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    Centrifuge is an instrument used to create a centrifugal force. The homogenate of the cell organelles is allowed to undergo centrifugation by which different cell organelles get separated. This process is known as differential centrifugation.

    Correct Option: C

    Centrifuge is an instrument used to create a centrifugal force. The homogenate of the cell organelles is allowed to undergo centrifugation by which different cell organelles get separated. This process is known as differential centrifugation.


  1. Resolution power is the ability to









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    The ability to distinguish two close objects is called power of resolution.

    Correct Option: B

    The ability to distinguish two close objects is called power of resolution.



  1. Electron microscope has a high resolution power. This is due to









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    Resolution is a power of a microscope to distinguish between two particles that are closely situated. Electron microscope has high resolution power due to very low wavelength of electron beam.

    Correct Option: B

    Resolution is a power of a microscope to distinguish between two particles that are closely situated. Electron microscope has high resolution power due to very low wavelength of electron beam.