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Cell and Cell Division Test - 2

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Cell and Cell Division Test - 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Most plants differ from most animals in having

    Solution

    Most plants differ from most animals in having localised growth areas and indefinite life spans.

     

  • Question 2
    1 / -0

    Chromosomes at anaphase are of various shapes depending upon position of centromere. It is J shaped when centromere is

    Solution

    If the p (short) arm is so short that it is hard to observe, but still present, then the chromosome is acrocentric. The human genome includes six acrocentric chromosomes: 13, 14, 15, 21, 22 and Y chromosomes.

     

  • Question 3
    1 / -0

    Phosphorus is a structural element in

    Solution

    Phosphorus is a structural element in ATP, ADP and DNA.

     

  • Question 4
    1 / -0

    Which one of the following options is a component of chlorophyll?

    Solution

    Chlorophyll is composed of mineral element magnesium. Chlorophyll is a term used for several closely related green pigments found in cyanobacteria and the chloroplasts of algae and plants.

     

  • Question 5
    1 / -0

    Which of the following pairs of type of cell and cell structure is correct?

    Solution

    As plastids and cell wall are present only in plants, but not in animals and centrosomes are present in animal cells only, so option 2 is correct.

     

  • Question 6
    1 / -0

    Which of the following structures are commonly present in animal cells and not in plant cells?

    I. Cell wall
    II. Lysosomes
    III. Plastids
    IV. Centriole

    Solution

    Among the given options, lysosomes and centriole are mainly present in animal cells but absent in plant cells. Most of the work done by animal lysosomes is done by plant vacuoles.

     

  • Question 7
    1 / -0

    The chief organic substance in cytoplasm is

    Solution

    The chief organic substance in cytoplasm is proteins. Metabolic pathways like glycolysis and cellular processes like cell division take place in the cytoplasm.

     

  • Question 8
    1 / -0

    Besides nucleus, DNA is also found in

    Solution

    Besides nucleus, DNA is also found in ribosomes.Ribosomes are the protein builders or the protein synthesizers of the cell.

     

  • Question 9
    1 / -0

    During which of the following phases does DNA duplicate itself?

    Solution

    DNA doubles its content in the synthetic phase of the cell cycle.

     

  • Question 10
    1 / -0

    Which of the following is the smallest known cell?

    Solution

    PPLO or Pleuro Pnemonia Like Organism is the smallest known cell. It is resistant to antibiotics and causes a kind of pneumonia in humans.

     

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