Cell Functions And Structure! Test Quiz

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Cell Functions And Structure! Test Quiz - Quiz

A cell is the fundamental unit of all living organisms, which contains genetic information lying within DNA. The term 'Cell ' was coined and identified by English Physicist Robert Hooke in 1665. Later, new theories were proposed by German Scientist Schwann and Schleiden. This quiz has been developed to test your knowledge about cell structure and functions. Let's try it out!


Questions and Answers
  • 1. 

    What is the bean-like picture in the cell?

    • A.

      Mitochondria

    • B.

      Chloroplast

    • C.

      Ribosomes

    • D.

      Smooth E.R.

    Correct Answer
    A. Mitochondria
    Explanation
    The correct answer is mitochondria. Mitochondria are bean-shaped organelles found in the cell that are responsible for producing energy in the form of ATP through cellular respiration. They have a double membrane structure and contain their own DNA. The bean-like shape of mitochondria is often used to describe their appearance.

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  • 2. 

    What part of the cell is responsible for breaking down and digesting things?

    • A.

      Ribosomes

    • B.

      Lysosomes

    • C.

      Endoplasmic reticulum

    • D.

      Vacuole

    Correct Answer
    B. Lysosomes
    Explanation
    Lysosomes are responsible for breaking down and digesting things within the cell. They contain enzymes that break down various molecules, such as proteins, lipids, and carbohydrates. These enzymes help in the digestion of cellular waste, recycling of cellular components, and the breakdown of foreign substances that enter the cell. Lysosomes play a crucial role in maintaining cellular homeostasis and are often referred to as the "cell's recycling center" or "garbage disposal system".

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  • 3. 

    Which of the following is found in plant cells, but not animal cells?

    • A.

      Cell wall

    • B.

      Vacuole

    • C.

      Mitochondria

    • D.

      Endoplasmic reticulum

    Correct Answer
    A. Cell wall
    Explanation
    Cell Wall is found in plant cells, but not in animal cells.

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  • 4. 

    What part of the cell makes proteins?

    • A.

      Ribosomes

    • B.

      Mitochondria

    • C.

      Lysosomes

    • D.

      Vacoule

    Correct Answer
    A. Ribosomes
    Explanation
    Ribosomes are responsible for protein synthesis in the cell. They are small, spherical structures found in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes read the genetic information from the DNA and use it to assemble amino acids into proteins. This process is essential for the functioning and structure of cells, as proteins are involved in various cellular processes and functions. Mitochondria, lysosomes, and vacuoles have different roles in the cell, but they are not directly involved in protein synthesis.

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  • 5. 

    Identify the organelle.

    • A.

      Golgi appartus

    • B.

      Endoplasmic reticulum

    • C.

      Mitochondria

    • D.

      Lysosomes

    Correct Answer
    B. Endoplasmic reticulum
    Explanation
    (3 points)

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  • 6. 

    What is the name of the jelly-like substance that is inside the cell?

    • A.

      Cytoplasm

    • B.

      Ectoplasm

    • C.

      Cytokinesis

    • D.

      Mitochondria

    Correct Answer
    A. Cytoplasm
    Explanation
    Cytoplasm is the jelly-like substance that is found inside the cell. It is a semi-fluid material that fills the space between the cell membrane and the nucleus. It contains various organelles, such as mitochondria, ribosomes, and the endoplasmic reticulum, and is responsible for supporting and protecting the cell's organelles.

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  • 7. 

    What cell feature is responsible for powering the cell?

    • A.

      Endoplasmic reticulum

    • B.

       golgi apparatus

    • C.

      Mitochondria

    • D.

      Cytoplasm

    Correct Answer
    C. Mitochondria
    Explanation
    Mitochondria are responsible for powering the cell through the process of cellular respiration. They produce the majority of the cell's energy in the form of adenosine triphosphate (ATP) through the breakdown of glucose and other molecules. This energy is essential for various cellular activities, including metabolism, growth, and movement. The endoplasmic reticulum and golgi apparatus are involved in protein synthesis and transportation, while the cytoplasm is the gel-like substance that fills the cell. However, it is the mitochondria that play a crucial role in generating the energy needed to power the cell's functions.

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  • 8. 

    Where in the cell does DNA replication take place?

    • A.

      Ribosomes

    • B.

      Nucleus

    • C.

      Nucleolus

    • D.

      Mitochondria

    Correct Answer
    B. Nucleus
    Explanation
    DNA replication takes place in the nucleus of the cell. The nucleus is the control center of the cell and contains all the genetic material, including the DNA. During DNA replication, the DNA strands unwind and separate, and new complementary strands are synthesized using the existing strands as templates. This process occurs within the nucleus, where all the necessary enzymes and proteins for DNA replication are present. The other options, such as ribosomes, nucleolus, and mitochondria, are not involved in DNA replication but have different functions within the cell.

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  • 9. 

    What is one major feature that plant cells have that animal cells do not?

    • A.

       lysosome

    • B.

       cell wall

    • C.

      Cell membrane

    • D.

      Ribosomes

    Correct Answer
    B.  cell wall
    Explanation
    One major feature that plant cells have that animal cells do not is a cell wall. The cell wall is a rigid structure made of cellulose that surrounds the cell membrane in plant cells. It provides support and protection to the cell, helping it maintain its shape and resist mechanical stress. Animal cells, on the other hand, do not have a cell wall and rely on other structures like the cytoskeleton for support.

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  • 10. 

    Which cell feature transports ribosomes?

    • A.

      Endoplasmic reticulum

    • B.

      Golgi apparatus

    • C.

      Mitochondria

    • D.

      Cell membrane

    Correct Answer
    A. Endoplasmic reticulum
    Explanation
    The endoplasmic reticulum is responsible for transporting ribosomes within the cell. It is a network of membranes that extends throughout the cytoplasm and is involved in protein synthesis and transport. Ribosomes are the cellular structures responsible for protein synthesis, and they are produced in the nucleus and then transported to the endoplasmic reticulum for further processing and distribution within the cell. Therefore, the endoplasmic reticulum is the correct answer for this question.

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