Cell Structure and Function Quiz
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Questions and Answers

What did Robert Hooke observe in the cork slices under a simple magnifying device?

  • Microscopic organisms
  • Partitioned boxes or compartments (correct)
  • Honeycomb structure
  • Living cells

    • What term did Robert Hooke coin for the boxes he observed in the cork slices?

  • Honeycomb
  • Microstructure
  • Cell (correct)
  • Compartment

    • What could be observed only after the discovery of improved microscopes?

  • Partitioned boxes in cork
  • Cells of living organisms (correct)
  • Microscopic organisms
  • Honeycomb structure

    • What is the significance of the discovery of improved microscopes in the study of cells?

    <p>Enhanced understanding of cell structure and functions</p> Signup and view all the answers

    What does the comparison between bricks in a building and cells in living organisms illustrate?

    <p>Both are basic structural units</p> Signup and view all the answers

    What does the egg of a hen represent?

    <p>A single cell</p> Signup and view all the answers

    What are the basic components of a cell?

    <p>Cell membrane, cytoplasm, and nucleus</p> Signup and view all the answers

    What gives shape and rigidity to plant cells?

    <p>Cell wall</p> Signup and view all the answers

    What is the function of pseudopodia in amoeba?

    <p>Changing its shape</p> Signup and view all the answers

    What provides shape to both plant and animal cells?

    <p>Cell membrane</p> Signup and view all the answers

    What is the relationship between the size of a cell and the size of the organism?

    <p>No relation; the size of a cell is related to its function, not the size of the organism</p> Signup and view all the answers

    What distinguishes multicellular organisms from single-celled organisms?

    <p>Made of more than one cell</p> Signup and view all the answers

    What is a key difference between plant and animal cells?

    <p>Presence of a cell wall in plant cells</p> Signup and view all the answers

    What is the function of the nucleus in both plant and animal cells?

    <p>Contains genetic material and acts as the control center of the cell</p> Signup and view all the answers

    Which organelle is responsible for photosynthesis in plant cells?

    <p>Chloroplasts</p> Signup and view all the answers

    What distinguishes prokaryotic cells from eukaryotic cells?

    <p>Presence of a well-organized nucleus with a nuclear membrane</p> Signup and view all the answers

    What is the role of vacuoles in plant and animal cells?

    <p>Storage and maintaining turgor pressure</p> Signup and view all the answers

    What is the function of the cell wall in plant cells?

    <p>Provides protection against environmental variations and external factors</p> Signup and view all the answers

    What is the main function of the cytoplasm in a cell?

    <p>Contains various organelles such as mitochondria, golgi bodies, and ribosomes</p> Signup and view all the answers

    What is the role of plastids in plant cells?

    <p>Essential for photosynthesis</p> Signup and view all the answers

    What term did Robert Hooke coin for the boxes he observed in the cork slices?

    <p>Cells</p> Signup and view all the answers

    What did Robert Hooke observe in the cork slices under a simple magnifying device?

    <p>Partitioned boxes resembling a honeycomb</p> Signup and view all the answers

    What does the comparison between bricks in a building and cells in living organisms illustrate?

    <p>Both are basic structural units with different designs, shapes, and sizes</p> Signup and view all the answers

    What distinguishes prokaryotic cells from eukaryotic cells?

    <p>Presence of membrane-bound organelles</p> Signup and view all the answers

    What is the role of vacuoles in plant and animal cells?

    <p>Storage of substances and maintenance of turgidity</p> Signup and view all the answers

    What is the function of the nucleus in both plant and animal cells?

    <p>Control of cellular activities and storage of genetic material</p> Signup and view all the answers

    What provides shape and rigidity to plant cells?

    <p>Cell wall</p> Signup and view all the answers

    What is the main function of the cytoplasm in a cell?

    <p>Energy production</p> Signup and view all the answers

    What is a key difference between plant and animal cells?

    <p>Presence of chloroplasts</p> Signup and view all the answers

    What is the function of pseudopodia in amoeba?

    <p>Locomotion</p> Signup and view all the answers

    What distinguishes prokaryotic cells from eukaryotic cells?

    <p>Presence of nucleus</p> Signup and view all the answers

    What is the relationship between the size of a cell and the size of the organism?

    <p>The size of the cell is related to its function, not the size of the organism</p> Signup and view all the answers

    Which organelle is responsible for photosynthesis in plant cells?

    <p>Chloroplasts</p> Signup and view all the answers

    What provides protection against environmental variations and external factors in plant cells?

    <p>Cell wall</p> Signup and view all the answers

    What is the main function of the nucleus in a cell?

    <p>Genetic material storage</p> Signup and view all the answers

    What is the key difference between plant and animal cells?

    <p>Presence of cell wall</p> Signup and view all the answers

    What is the role of vacuoles in plant and animal cells?

    <p>Storage and maintaining turgor pressure</p> Signup and view all the answers

    What distinguishes prokaryotic cells from eukaryotic cells?

    <p>Lack of well-organized nucleus with a nuclear membrane</p> Signup and view all the answers

    What is the entire content of a living cell, including the cytoplasm and the nucleus, known as?

    <p>Protoplasm</p> Signup and view all the answers

    What is the function of plastids in plant cells?

    <p>Photosynthesis</p> Signup and view all the answers

    Study Notes

    Plant and Animal Cell Structure and Function

    • Plant cells have a cell wall, a cell membrane, cytoplasm, and a nucleus, while animal cells lack a cell wall.
    • The cell wall in plant cells provides protection against environmental variations and external factors.
    • The nucleus, present in both plant and animal cells, contains the genetic material and acts as the control center of the cell.
    • The cytoplasm, a jelly-like substance, contains various organelles such as mitochondria, golgi bodies, and ribosomes.
    • The nucleus is surrounded by a nuclear membrane, which is porous and allows the movement of materials between the cytoplasm and the inside of the nucleus.
    • The nucleus also contains a nucleolus and chromosomes, which carry genes and aid in the inheritance of characteristics.
    • Prokaryotic cells, like bacteria and blue-green algae, lack a well-organized nucleus with a nuclear membrane, while eukaryotic cells, including plant and animal cells, have a well-organized nucleus with a nuclear membrane.
    • Vacuoles, large in plant cells and smaller in animal cells, are present in the cytoplasm and play a role in storage and maintaining turgor pressure.
    • Plastids, including chloroplasts containing chlorophyll, are present in plant cells and are essential for photosynthesis.
    • Comparing plant and animal cells, plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells lack these features.
    • The structure of the nucleus differs in cells of plants, animals, and bacteria, with prokaryotic cells lacking a nuclear membrane.
    • The entire content of a living cell, including the cytoplasm and the nucleus, is known as protoplasm, the living substance of the cell.

    Plant and Animal Cell Structure and Function

    • Plant cells have a cell wall, a cell membrane, cytoplasm, and a nucleus, while animal cells lack a cell wall.
    • The cell wall in plant cells provides protection against environmental variations and external factors.
    • The nucleus, present in both plant and animal cells, contains the genetic material and acts as the control center of the cell.
    • The cytoplasm, a jelly-like substance, contains various organelles such as mitochondria, golgi bodies, and ribosomes.
    • The nucleus is surrounded by a nuclear membrane, which is porous and allows the movement of materials between the cytoplasm and the inside of the nucleus.
    • The nucleus also contains a nucleolus and chromosomes, which carry genes and aid in the inheritance of characteristics.
    • Prokaryotic cells, like bacteria and blue-green algae, lack a well-organized nucleus with a nuclear membrane, while eukaryotic cells, including plant and animal cells, have a well-organized nucleus with a nuclear membrane.
    • Vacuoles, large in plant cells and smaller in animal cells, are present in the cytoplasm and play a role in storage and maintaining turgor pressure.
    • Plastids, including chloroplasts containing chlorophyll, are present in plant cells and are essential for photosynthesis.
    • Comparing plant and animal cells, plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells lack these features.
    • The structure of the nucleus differs in cells of plants, animals, and bacteria, with prokaryotic cells lacking a nuclear membrane.
    • The entire content of a living cell, including the cytoplasm and the nucleus, is known as protoplasm, the living substance of the cell.

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    Description

    Test your knowledge of plant and animal cell structure and function with this quiz. Explore the differences between plant and animal cells, including the presence of a cell wall, chloroplasts, and vacuoles. Learn about the nucleus, cytoplasm, and organelles, and understand the distinctions between eukaryotic and prokaryotic cells.

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