Ultimate Quiz About Cytology

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Quizzes Created: 1 | Total Attempts: 333
Questions: 15 | Attempts: 333

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Cytology Quizzes & Trivia

Questions and Answers
  • 1. 

    TRANSPORT A VARIETY OF SUBSTANCES FROM ONE STRUCTURE TO ANOTHER WITHIN THE CELL.

    • A.

      RIBOSOMES

    • B.

      LYSOSOMES

    • C.

      VESICLES

    Correct Answer
    C. VESICLES
    Explanation
    Vesicles are small sacs made of membrane that transport various substances within the cell. They can transport molecules such as proteins, lipids, and other cellular components from one structure to another, ensuring that the cell functions properly. Vesicles play a crucial role in processes like protein synthesis, secretion, and recycling of cellular waste. Therefore, out of the given options, vesicles are the most suitable structures for transporting a variety of substances within the cell.

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  • 2. 

    Phospholipid bi-layer that surrounds the cell and controls movement of particles into and out of the cell

    Correct Answer
    Plasma membrane
    Explanation
    The plasma membrane is a phospholipid bi-layer that surrounds the cell and controls the movement of particles into and out of the cell. It acts as a barrier, allowing certain substances to pass through while preventing others from entering or leaving the cell. The phospholipid bi-layer consists of a hydrophilic (water-loving) head and hydrophobic (water-fearing) tails, which arrange themselves in a way that creates a selectively permeable membrane. This allows the cell to maintain its internal environment and regulate the transport of molecules, ions, and other substances across the membrane.

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  • 3. 

    Fluid component in which the organelles are suspended

    Correct Answer
    Cytoplasm
    Explanation
    Cytoplasm is the fluid component in which the organelles are suspended. It is a gel-like substance that fills the cell and provides a medium for various cellular processes to occur. The cytoplasm contains various organelles such as mitochondria, ribosomes, and the endoplasmic reticulum, which carry out specific functions within the cell. Additionally, the cytoplasm also contains nutrients, ions, and other molecules necessary for cellular metabolism and growth. Overall, the cytoplasm plays a crucial role in supporting the structure and function of the cell.

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  • 4. 

    Site of rapid RNA production

    Correct Answer
    Nucleolus
    Explanation
    The nucleolus is responsible for the rapid production of RNA within the cell. It is a specialized region within the nucleus where ribosomal RNA (rRNA) is synthesized and assembled with proteins to form ribosomes. The nucleolus contains specific regions called nucleolar organizer regions (NORs) that contain the genes responsible for producing rRNA. These genes are transcribed into precursor molecules of rRNA, which are then processed and assembled into functional ribosomal subunits. Therefore, the nucleolus can be considered as the site of rapid RNA production in the cell.

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  • 5. 

    Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic

    • A.

      Whether or not the cell is partitioned by internal membranes

    • B.

      the presence or absence of a rigid cell wall

    • C.

      The presence or absence of ribosomes

    • D.

      Whether or not the cell carries out cellular metabolism

    • E.

      Whether or not the cell contains DNA

    Correct Answer
    A. Whether or not the cell is partitioned by internal membranes
    Explanation
    The presence or absence of internal membranes in a cell would indicate whether it is prokaryotic or eukaryotic. Prokaryotic cells do not have internal membranes and their genetic material is not enclosed in a nucleus, while eukaryotic cells have internal membranes and their genetic material is enclosed in a nucleus.

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  • 6. 

    In which cell would you find the most lysosomes?

    • A.

      White blood cell that engulfs bacteria

    • B.

      Pancreatic cell that secretes digestive enzymes

    • C.

      Cell in tissue layer lining digestive tract

    • D.

      Muscle cell in thigh of long distance runner

    Correct Answer
    A. White blood cell that engulfs bacteria
    Explanation
    Lysosomes are organelles responsible for breaking down waste materials and cellular debris. The white blood cell that engulfs bacteria, known as a phagocyte, relies heavily on lysosomes to digest and destroy the engulfed bacteria. Therefore, it is expected to have the highest concentration of lysosomes compared to the other cell types mentioned in the options.

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  • 7. 

    Which of the following structures is not directly involved in cell support or movement

    • A.

      Gap junction

    • B.

      Microfilament

    • C.

      Flagellum

    • D.

      Cell wall

    • E.

      Microtubule

    Correct Answer
    A. Gap junction
    Explanation
    Gap junctions are specialized protein channels that allow for direct communication and exchange of small molecules between adjacent cells. They are not involved in cell support or movement, but rather in cell-cell communication and coordination. Microfilaments, microtubules, and the flagellum are all directly involved in cell movement and support, while the cell wall provides structural support and protection to plant cells. Therefore, the correct answer is gap junction.

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  • 8. 

    As a cell becomes larger, its..

    • A.

      Volume increases faster than its surface area

    • B.

      Surface area increases faster than its volume

    • C.

      Surface area increases, but volume stays the same

    • D.

      Volume increases, but its surface area stays the same

    Correct Answer
    A. Volume increases faster than its surface area
    Explanation
    As a cell becomes larger, its volume increases faster than its surface area. This is because the volume of a cell is determined by its three-dimensional size, which increases exponentially as the cell grows larger. On the other hand, the surface area of a cell is determined by its two-dimensional size, which increases at a slower rate compared to volume. This is because the surface area is dependent on the cell's outer surface, while the volume is determined by the amount of space inside the cell. Therefore, as the cell grows larger, the volume increases at a faster rate than the surface area.

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  • 9. 

    Which scientist came up with the term "cell"?

    • A.

      Hooke

    • B.

      Virchow

    • C.

      Boyle

    • D.

      Von Leeuwenhoek

    Correct Answer
    A. Hooke
    Explanation
    Hooke is the correct answer because he was the scientist who first coined the term "cell" in 1665. He used this term to describe the small compartments he observed in a thin slice of cork under a microscope. This discovery was significant in the development of the cell theory, which states that all living organisms are composed of cells.

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  • 10. 

    What cellular part is measured by surface area?

    Correct Answer
    cell membrane
    Explanation
    The cell membrane is the correct answer because it is the outermost part of a cell that separates the internal environment of the cell from the external environment. The surface area of the cell membrane is measured because it plays a crucial role in allowing substances to enter and exit the cell, as well as facilitating communication and interactions with other cells. The larger the surface area of the cell membrane, the more efficient the cell can be in carrying out its functions.

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  • 11. 

    What cellular part is measured by volume?

    Correct Answer
    cytoplasm
    Explanation
    The cytoplasm is the correct answer because it is the cellular part that is measured by volume. The cytoplasm is a gel-like substance that fills the cell and contains various organelles, such as the nucleus, mitochondria, and ribosomes. It occupies the space between the cell membrane and the nucleus and plays a crucial role in maintaining cell shape, supporting organelles, and facilitating cellular processes. By measuring the volume of the cytoplasm, scientists can gain insights into the overall size and composition of the cell.

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  • 12. 

    What digests macromolecules and cleans up old organelles?

    Correct Answer
    Lysosomes
    Explanation
    Lysosomes are responsible for digesting macromolecules and cleaning up old organelles. They contain enzymes that break down proteins, carbohydrates, lipids, and nucleic acids into smaller molecules that can be reused by the cell. Additionally, lysosomes help remove damaged or non-functional organelles through a process called autophagy. This allows the cell to maintain its overall health and function properly.

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  • 13. 

    What sythesizes lipids?

    Correct Answer
    Smooth ER
    Explanation
    Smooth ER is responsible for synthesizing lipids. It contains enzymes that catalyze the production of lipids, such as phospholipids and cholesterol. These lipids are essential components of cell membranes and play a crucial role in various cellular processes. The smooth ER also participates in the detoxification of drugs and toxins, as well as the metabolism of carbohydrates and steroids. Therefore, the smooth ER is the correct answer for the question.

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