Science

9th

grade

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The fundamental unit of life

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following statement marks as a difference between plant cell and animal cell?

    Plant cells have cell wall which animal cells do not.

    Plant cells do not have vacuole while animal cells do have

    Plant cells have only cell membrane while animal cells have both cell wall as well as cell membrane.

    Plant cells have more plastids while animal cells have few plastids.

  • 2. Multiple Choice
    20 seconds
    1 pt

    The proteins and lipids, essential for building the cell membrane, are manufactured by:

    Golgi apparatus

    Endoplasmic reticulum

    Mitochondria

  • 3. Multiple Choice
    30 seconds
    1 pt

    A cell will swell up if

    the concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium.

    the concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell.

    the concentration of water molecules is same in the cell and in the surrounding medium

    concentration of water molecules does not matter

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