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The Fundamental Unit of Life Test - 2

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The Fundamental Unit of Life Test - 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Prokaryotic cells do not have

    Solution

    Membrane bound organelles like mitochondria, chloroplast and lysosomes are absent in the prokaryotic cell.

     

  • Question 2
    1 / -0

    Rough endoplasmic reticulum looks rough under a microscope because of the presence of

    Solution

    Ribosomes are attached to the surface of endoplasmic reticulum which gives it a rough appearance.

     

  • Question 3
    1 / -0

    Name the plastids in which starch, oils and protein granules are stored?

    Solution

    Leucoplasts are colourless plastids that help store food in the form of starch, fats and proteins. 

     

  • Question 4
    1 / -0

    Which is the control centre of the cell?

    Solution

    Nucleus controls all the activities of the cell.

     

  • Question 5
    1 / -0

    Which of the following is the incorrect statement with respect to cell?

    Solution

    Virchow suggested in the cell theory that all cells arise from pre-existing cells.

     

  • Question 6
    1 / -0

    A prokaryotic cell contains ______________.

    Solution

    Any prokaryotic cell contains a single large chromosome.

     

  • Question 7
    1 / -0

    Name two cell regions containing their own genetic material.

    Solution

    Most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA.

     

  • Question 8
    1 / -0

    During diffusion, there is spontaneous movement of particles from a region of higher concentration to a region of lower concentration in a given volume of

    Solution

    In the process of diffusion, particles move down the concentration gradient only in a fluid medium i.e. the medium has to be either liquid or gas and not a solid. Therefore, the phenomenon of diffusion can not be seen in a solid medium.

     

  • Question 9
    1 / -0

    The free-living cells in the pond water were first discovered by ______________.

    Solution

    The free-living cells in the pond water were first discovered by Anton von Leeuwenhoek.

     

  • Question 10
    1 / -0

    Which statement is incorrect with respect to multi-cellular organisms?

    Solution

    Every cell is not responsible to carry out all the functions of the body. In multi-cellular organisms there is division of labour and each group of cell has a specific function to perform.

     

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