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The Fundamental Unit of Life Test - 4

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The Fundamental Unit of Life Test - 4
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Weekly Quiz Competition
  • Question 1
    1 / -0

    The fine roots of plants absorb water from the soil through the process of

    Solution

    The concentration of water is higher in the soil than in the root-cells, and hence, according to the concept of osmosis, water moves from the soil to the root cells across the semi-permeable membrane of the root cells.

     

  • Question 2
    1 / -0

    In which case does a single cell constitute a whole organism?

    Solution

    Chlamydomonas is a unicellular green alga.

     

  • Question 3
    1 / -0

    Nucleoid is a feature of

    Solution

    Nucleoid is the nuclear region present in the cytoplasm of prokaryotic cells. Cyanobacteria are prokaryotes. 

     

  • Question 4
    1 / -0

    Animal cells do not show the presence of ______________.

    Solution

    Animal cells do not show the presence of chromoplasts. Chromoplasts are coloured plastids.

     

  • Question 5
    1 / -0

    Which of the following cell is visible to human eye?

    Solution

    The egg of ostrich is very large about 18 cm and hence, it is easily visible to human eye.

     

  • Question 6
    1 / -0

    ___________ cells are C-shaped.

    Solution

    Cartilage cells are C-shaped.

     

  • Question 7
    1 / -0

    A prokaryotic cell ranges in size from

    Solution

    A prokaryotic cell ranges in size from 1-10 micrometre.

     

  • Question 8
    1 / -0

    A cell placed in solution swells up. The solution has

    Solution

    The cells swells up in the solution which means the solution is hypotonic that it has more concentration of solvent molecules and less concentration of solute molecules.

     

  • Question 9
    1 / -0

    How is nucleoid different from nucleus?

    Solution

    Nucleoid is an irregularly-shaped region within the cell which itself is the genetic material whereas nucleus is the membrane-bound organelle contains the genetic material.

     

  • Question 10
    1 / -0

    Which of the following is absent in prokaryotes?

    Solution

    Mitochondria are membrane-bound cell organelles. Membrane-bound cell organelles are absent in prokaryotes.

     

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