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Cell : The Unit of Life Test - 3

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Cell : The Unit of Life Test - 3
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following is a single-celled organism?
  • Question 2
    1 / -0
    Which of the following is not a function of cell wall?
  • Question 3
    1 / -0
    The small size of a cell is favourable because ______________.
  • Question 4
    1 / -0
    Which of the following is the total living substance of a cell?
  • Question 5
    1 / -0
    On rough endoplasmic reticulum (RER), which of the following biomolecules are mainly synthesised by ribosomes?
  • Question 6
    1 / -0

    Name the part of the cell that contains a network of chromatin fibers.

    Solution

    Nucleus contains a network of chromatin fibers.

    The nucleus of the cell contains the majority of the cell's genetic material, i.e., DNA in the form of a DNA-protein complex called chromatin.

    Hence, the correct option is (A).

  • Question 7
    1 / -0
    From which part of the tree is cork obtained?
  • Question 8
    1 / -0
    Which of the following carbohydrates is the major component of cell wall in plants?
  • Question 9
    1 / -0

    Match the following:

    Column A Column B
    (i) Smallest cell (a) Nerve cells
    (ii) Longest cell (b) Mycoplasma 
    (iii) Largest cell (c) Ovum
      (d) Guard cells
    Solution

    Cells are of different shapes and sizes. Different shapes and sizes are due to different functions performed by different cells. The smallest cell is Mycoplasma (PPLO-Pleuro pneumonia-like organisms). It is about 10 micrometer in size. The largest cell is an egg cell of ostrich. The longest cell is the nerve cell. The largest cell in the human body is the female ovum. The smallest cell in the human body is the male gametes, that is sperm.

    Hence, the correct option is (D).

  • Question 10
    1 / -0
    What is the part of cytoplasm other than the organelles called?
  • Question 11
    1 / -0
    Which of the following is not a single-celled organism?
  • Question 12
    1 / -0
    Which of the following structures is/are not found in the cells of angiosperms?
  • Question 13
    1 / -0
    Which of the following is not a membrane bound organelle of cell?
  • Question 14
    1 / -0
    Which of the following organelles forms network system in a cell?
  • Question 15
    1 / -0
    Match the following:

    (i) Red blood cells (A) Elongated
    (ii) White blood cells (B) Biconcave
    (iii) Nerve cells (C) Bean shaped
    (iv) Guard cells (D) Amoeboid
  • Question 16
    1 / -0
    The major component of plant cell wall is
  • Question 17
    1 / -0
    Which of the following structures is/are absent in the cells of a roundworm?
  • Question 18
    1 / -0
    Which of the following is absent in an animal cell?
  • Question 19
    1 / -0
    Which of the molecules are synthesised with the help of smooth endoplasmic reticulum?
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