Science Final Review Grade 7

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| By Ionyblehhmexx
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Ionyblehhmexx
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  • 1/6 Questions

    Do plants or animals make their own food?

    • Plants
    • Animals
    • Neither
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About This Quiz

This is a quiz based on an exam im going to take tommorrow and i thought this was the best way to review everything that i learned for it.

Science Final Review Grade 7 - Quiz

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  • 2. 

    The C_____ M_________ is the organelle that allows materials to enter and leave the cell.

    Explanation
    The cell membrane is the organelle that surrounds and protects the cell. It is selectively permeable, meaning it allows certain materials to enter and leave the cell while preventing others from doing so. This process of regulating the movement of substances in and out of the cell is essential for maintaining homeostasis and carrying out various cellular functions.

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  • 3. 

    The outer most part of a plant cell is the ______ ______.

    • Cell Wall

    • Cell Membrane

    • Cells

    Correct Answer
    A. Cell Wall
    Explanation
    The outermost part of a plant cell is called the cell wall. The cell wall is a rigid layer that surrounds the cell membrane and provides support and protection to the cell. It is made up of cellulose and other polysaccharides, and it helps maintain the shape of the cell and prevents it from bursting under pressure. The cell wall also allows for communication and exchange of materials between adjacent cells.

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  • 4. 

    The __________ is the plant organelle that carries out photosynthesis.

    • Cloroplast

    • Cloroplate

    • Neither

    • Cells

    • Cell Wall

    • Cell Membrane

    Correct Answer
    A. Cloroplast
    Explanation
    The correct answer is Cloroplast. The chloroplast is a plant organelle that carries out photosynthesis, the process by which plants convert sunlight into energy. It contains chlorophyll, a pigment that captures light energy and uses it to produce glucose and oxygen. The chloroplast is responsible for the green color of plants and is essential for their survival and growth.

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  • 5. 

    Both plant and animal cells have ____ _________ and ___________.

    • Cell Wall and Mitocondria

    • Cell Membrane and Mitocondria

    • Semi Permable and Unicellular

    Correct Answer
    A. Cell Membrane and Mitocondria
    Explanation
    Both plant and animal cells have a cell membrane, which is a thin, flexible barrier that surrounds the cell and controls the movement of substances in and out of the cell. The cell membrane is essential for maintaining the cell's internal environment and protecting it from the external environment. Additionally, both plant and animal cells have mitochondria, which are the powerhouses of the cell. Mitochondria are responsible for producing energy through cellular respiration, which is necessary for the cell to carry out its functions.

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  • 6. 

    A _________ is the plant organelle that captures sunlight energy to make food.

    Correct Answer
    chloroplast , Chloroplast
    Explanation
    A chloroplast is a plant organelle that captures sunlight energy to make food.

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  • Oct 21, 2024
    Quiz Edited by
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  • Jun 06, 2011
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    Ionyblehhmexx
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