6th Grade Science - Cell Division

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6th Grade Science Quizzes & Trivia

We have just covered the basics on cell division. Division of cells helps maintain ones health. As we get older, cells die and need replacements. You now know of mitosis and meiosis and how they occur. Give the quiz below a try to refresh your mind on what cell division is all about.


Questions and Answers
  • 1. 

    As a cell grows larger it requires more and more energy and thus needs greater amounts of ________________?

    Explanation
    As a cell grows larger, its metabolic demands increase. This means that the cell needs more energy to sustain its activities and functions. The primary source of energy for cells is glucose, which is obtained from the breakdown of sugar. Therefore, as the cell grows larger, it requires greater amounts of sugar or glucose to meet its increasing energy needs.

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  • 2. 

    As a cell gets bigger, both its cell membrane and its _________ get bigger.

    • A.

      Volume

    • B.

      Membrane

    • C.

      Life processes

    • D.

      Energy

    Correct Answer
    A. Volume
    Explanation
    As a cell gets bigger, its volume increases. This is because volume is a measure of the amount of space occupied by the cell, and as the cell grows, it takes up more space. The cell membrane, on the other hand, may or may not increase in size as the cell grows. The cell membrane is responsible for controlling the movement of substances in and out of the cell, and its size may be influenced by the needs of the cell and the surrounding environment. However, the increase in volume is a more direct and consistent result of cell growth.

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  • 3. 

    Instead of continuing to grow, cells _________ once they reach a certain size.

    • A.

      Die

    • B.

      Divide

    • C.

      Shrink

    • D.

      Explode

    Correct Answer
    B. Divide
    Explanation
    Cells divide once they reach a certain size. This is a natural process called cell division, where a single cell splits into two daughter cells. This allows for growth and replacement of damaged or old cells in the body. Once cells reach a certain size, they cannot continue to grow indefinitely, as it would lead to an imbalance and potential dysfunction. Therefore, they divide to maintain an appropriate size and ensure proper functioning of the organism.

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  • 4. 

    What is the process by which a cell divides into two exact copies of itself called?

    Correct Answer
    mitosis
    Explanation
    Mitosis is the process by which a cell divides into two exact copies of itself. During mitosis, the cell's DNA is replicated and then distributed equally into two daughter cells. This ensures that each daughter cell receives the same genetic information as the parent cell. Mitosis is a crucial process for growth, development, and tissue repair in multicellular organisms. It allows cells to reproduce and maintain the same genetic material, ensuring genetic stability and continuity.

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  • 5. 

    The transfer of blood from one person to another is called a __________.

    Correct Answer
    transfusion
    Explanation
    The transfer of blood from one person to another is referred to as a transfusion. This procedure involves taking blood from a donor and infusing it into a recipient to restore blood volume, replace lost components, or treat specific medical conditions. Transfusions are commonly performed in medical settings such as hospitals and clinics, and they play a crucial role in various medical interventions, including surgeries, treatments for blood disorders, and emergency situations where blood loss occurs.

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