Cell Organelles And Their Functions Quiz

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Daniel P, MSEd (Science Education) |
Science Education
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With 11 years of urban teaching, Daniel excels as a STEM club teacher, demonstrating expertise in curriculum design, differentiated instruction for IEPs, and adept use of Google Classroom. His commitment to education shines through in his impactful contributions to STEM learning. Daniel holds an MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. With certifications in Special Education and Biology, he is dedicated to curriculum development and enhancing educational experiences for students. He is currently working as a Special Education Teacher at NYC Department of Education.
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Cell Organelles And Their Functions Quiz - Quiz

We welcome you to this "Cell Organelles And Their Functions" quiz. Cell organelles help in the survival of cells by harvesting energy, making new proteins, and getting rid of dead cells. About 12 organelles exist in a cell, each with a specific objective that helps the body carry out its functions.

Challenge yourself to identify organelles and understand their functions, from protein synthesis to energy production and cellular transport. This quiz promises an engaging and educational experience. Let's go on a journey through the microscopic world of cell organelles and unravel the mysteries of cellular function! Take the test Read morebelow and get to see how much knowledge you have gained so far when it comes to cells. All the best!


Cell Organelles and Their Functions Questions and Answers

  • 1. 

    What is the function of a cell wall?

    • A.

      Structure and protection

    • B.

      Organizes DNA

    • C.

      Digests, recycles materials

    • D.

      Communication junction between adjoining cells

    • E.

      ATP formation

    Correct Answer
    A. Structure and protection
    Explanation
    The function of a cell wall is to provide structure and protection to the cell. It acts as a rigid outer layer that gives shape to the cell and protects it from external mechanical forces. The cell wall also helps in preventing the cell from bursting due to osmotic pressure. Additionally, it provides a barrier against pathogens and other harmful substances, ensuring the cell's integrity and survival.

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  • 2. 

    What is the function of the central vacuole?

    • A.

      ATP formation.

    • B.

      Protein synthesis.

    • C.

      Modifies, sorts, and ships lipids for export or for insertion into the cell membrane.

    • D.

      Organizes and moves internal parts of the cell.

    • E.

      Increases the cell surface area, stores metabolic waste, water and nutrients.

    Correct Answer
    E. Increases the cell surface area, stores metabolic waste, water and nutrients.
    Explanation
    The central vacuole functions to increase the cell surface area and store metabolic waste. It helps maintain the shape and structure of the cell by occupying a large portion of the cell's volume. Additionally, the central vacuole stores various substances such as water, ions, nutrients, and waste products. By storing metabolic waste, the vacuole prevents the accumulation of harmful substances within the cell. Moreover, the expansion and contraction of the central vacuole can also contribute to changes in cell size and shape.

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  • 3. 

    What is the primary source of energy for the aerobic energy system?

    • A.

      Glucose

    • B.

      Creatine phosphate

    • C.

      Lactic acid

    • D.

      Fatty acids

    Correct Answer
    A. Glucose
    Explanation
    The primary source of energy for the aerobic energy system is glucose. This system relies on the aerobic metabolism of glucose (and other carbohydrates) to produce ATP (adenosine triphosphate), which is the primary energy currency of cells. Aerobic metabolism occurs in the presence of oxygen and involves the breakdown of glucose through processes such as glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation in the mitochondria.

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  • 4. 

    What role do chloroplasts play?

    • A.

      Organizes and moves internal parts of the cell.

    • B.

      Cell contraction, movements, and structural support.

    • C.

      Assembly of subunits of ribosomes.

    • D.

      Photosynthesis

    • E.

      Structurally supports and gives shape to a cell. Moves the cell and its components. 

    Correct Answer
    D. Photosynthesis
    Explanation
    Chloroplasts are responsible for photosynthesis, the process by which plants convert sunlight into energy. They contain chlorophyll, a pigment that captures light energy, and other molecules necessary for the chemical reactions involved in photosynthesis. Through this process, chloroplasts produce glucose and oxygen, which are essential for the plant's growth and survival. Therefore, the correct answer is photosynthesis.

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  • 5. 

    What is the role of nucleolus?  

    • A.

      Modifies, sorts, and ships lipids for export of for insertion into the cell membrane.

    • B.

      Protein synthesis.

    • C.

      Controls the substances going inside and out of the cell.

    • D.

      Assembly of Subunits of Ribosomes.

    • E.

      Photosynthesis

    Correct Answer
    D. Assembly of Subunits of Ribosomes.
    Explanation
    The nucleolus is responsible for the assembly of subunits of ribosomes. Ribosomes are essential for protein synthesis, and they consist of two subunits that are synthesized separately and then assembled in the nucleolus. Once the subunits are assembled, they are transported out of the nucleolus to the cytoplasm, where they can join together and function as ribosomes. Therefore, the role of the nucleolus is specifically related to the assembly of ribosomal subunits, rather than other cellular processes such as lipid modification, protein synthesis, or controlling substances entering or leaving the cell.

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  • 6. 

    What is the role of ribosomes?

    • A.

      Protein synthesis

    • B.

      Modifies new polypeptide chains and synthesizes lipids

    • C.

      Structurally supports and gives shape to a cell. Moves the cell and its components.

    • D.

      Cell contraction, movements, and structural support

    • E.

      ATP formation

    Correct Answer
    A. Protein synthesis
    Explanation
    Ribosomes play a crucial role in protein synthesis, which involves the creation of new proteins. They act as the site where mRNA is translated into proteins by assembling amino acids in the correct order. This process is essential for the functioning and maintenance of cells, as proteins are involved in various cellular processes such as enzyme activity, cell signaling, and structural support. Therefore, the role of ribosomes in protein synthesis is vital for the overall functioning and survival of cells.

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  • 7. 

    What is the function of rough ER?

    • A.

      Modifies, sorts, and ships lipids for export of for insertion into the cell membrane.

    • B.

      Digests, and recycles materials.

    • C.

      Assembly of subunits of ribosomes.

    • D.

      Communication junction between adjoining cells.

    • E.

      Protein synthesis, processing, and transport.

    Correct Answer
    E. Protein synthesis, processing, and transport.
    Explanation
    The rough endoplasmic reticulum (rough ER) is a complex organelle within a cell that serves several important functions, primarily related to protein synthesis, processing, and transport. It plays a crucial role in the proper functioning of the cell and is characterized by its rough appearance due to the presence of ribosomes attached to its surface.

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  • 8. 

    What is the function of smooth ER?

    • A.

      Communication junction between adjoining cells.

    • B.

      Organizes DNA.

    • C.

      Makes lipids, degrades fats, and inactivates toxins.

    • D.

      Organizes and moves internal parts of the cell.

    • E.

      Digests, and recycles materials.

    Correct Answer
    C. Makes lipids, degrades fats, and inactivates toxins.
    Explanation
    Smooth ER is responsible for making lipids, degrading fats, and inactivating toxins. It does not have a role in communication between cells, organizing DNA, organizing and moving internal parts of the cell, or digesting and recycling materials. Therefore, the correct answer is that smooth ER is involved in lipid synthesis, fat degradation, and toxin inactivation.

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  • 9. 

    What is the importance of the Golgi Body?

    • A.

      It modifies, sorts, and ships lipids for export or for insertion into the cell membrane.

    • B.

      ATP formation.

    • C.

      Photosynthesis

    • D.

      Communication junction between adjoining cells.

    • E.

      Protein synthesis.

    Correct Answer
    A. It modifies, sorts, and ships lipids for export or for insertion into the cell membrane.
    Explanation
    The Golgi Body plays a crucial role in the cell by modifying, sorting, and shipping lipids for export or for insertion into the cell membrane. This process is essential for maintaining the integrity and functionality of the cell membrane. By modifying and sorting lipids, the Golgi Body ensures that they are properly distributed within the cell and transported to their intended destinations. This is important for various cellular processes, including cell signaling, membrane repair, and the export of lipids to other parts of the body.

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  • 10. 

    What role does the cytoskeleton play? 

    • A.

      Structure and protection.

    • B.

      Organizes and moves internal parts of the cell.

    • C.

      Organizes DNA.

    • D.

      Makes lipids, degrades fats, and inactivates toxins

    • E.

      Structurally supports and gives shape to a cell. Moves the cell and its components.

    Correct Answer
    B. Organizes and moves internal parts of the cell.
    Explanation
    The cytoskeleton is a network of protein filaments within cells that provides structural support and facilitates various cellular processes such as cell movement, cell division, and intracellular transport. It helps in organizing and moving internal parts of the cell, including organelles such as the nucleus and mitochondria.

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  • 11. 

    Nucleus plays an important role in ____________. 

    • A.

      Digests, recycles materials

    • B.

      Organizing DNA

    • C.

      Structurally supports and gives shape to a cell. Moves the cell and its components.

    • D.

      Organizes and moves internal parts of the cell.

    • E.

      Makes lipids, degrades fats and inactivates toxins.

    Correct Answer
    B. Organizing DNA
    Explanation
    The nucleus is responsible for organizing DNA within a cell. It contains the cell's genetic material, including chromosomes and genes, which carry the instructions for the cell's functions and characteristics. The nucleus ensures that the DNA is properly organized and packaged, allowing for efficient gene expression and regulation. This organization is crucial for the cell's overall functioning and development.

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  • 12. 

    Lysosome-Like Vesicle helps in _________. 

    • A.

      Organizes and moves internal parts of the cell.

    • B.

      Photosynthesis

    • C.

      Makes lipids, degrades fats and inactivates toxins.

    • D.

      Digesting, and recycling the materials.

    • E.

      Structurally supports and gives shape to a cell. Moves the cell and its components.

    Correct Answer
    D. Digesting, and recycling the materials.
    Explanation
    The Lysosome-Like Vesicle is responsible for digesting and recycling materials within the cell. It breaks down various substances, such as proteins, lipids, and carbohydrates, into smaller components that can be reused by the cell. This process helps to maintain cellular homeostasis by removing waste products and recycling essential nutrients.

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  • 13. 

    Mitochondrion helps in _______. 

    • A.

      Digests, and recycles materials.

    • B.

      Organizes DNA.

    • C.

      Modifies, sorts, and ships lipids for export or for insertion into the cell membrane.

    • D.

      ATP formation.

    • E.

      Structurally supports and gives shape to a cell. Moves the cell and its components.

    Correct Answer
    D. ATP formation.
    Explanation
    Mitochondria are responsible for ATP formation. ATP, or adenosine triphosphate, is the main energy currency of cells. Mitochondria have their own DNA and specialized machinery to generate ATP through a process called oxidative phosphorylation. This process involves the transfer of electrons from molecules in the mitochondria to generate a proton gradient, which is then used to produce ATP. Therefore, the correct answer is ATP formation.

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  • 14. 

    Microtubules help in _____________. 

    • A.

      Modifies, sorts, and ships lipids for export or for insertion into the cell membrane.

    • B.

      Organizes DNA.

    • C.

      Organizing and moving internal parts of the cell.

    • D.

      Makes lipids, degrades fats and inactivates toxins.

    • E.

      Assembly of subunits of ribosomes.

    Correct Answer
    C. Organizing and moving internal parts of the cell.
    Explanation
    Microtubules are responsible for organizing and moving internal parts of the cell. They form a network of protein filaments that provide structural support and act as tracks for transporting organelles, vesicles, and other cellular components. By organizing and moving these internal parts, microtubules play a crucial role in various cellular processes such as cell division, intracellular transport, and maintaining cell shape.

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  • 15. 

    Microfilaments help in ______________. 

    • A.

      Assembly of subunits of ribosomes.

    • B.

      Cell contraction, movements, and structural support.

    • C.

      Controls the substances going inside and out of the cell.

    • D.

      Organizes DNA.

    • E.

      Protein synthesis

    Correct Answer
    B. Cell contraction, movements, and structural support.
    Explanation
    Microfilaments, also known as actin filaments, are thin protein filaments that play a crucial role in cell contraction, movements, and structural support. They form a network within the cell, providing mechanical support and enabling various cellular processes such as cell division, cell migration, and muscle contraction. By interacting with other proteins and motor molecules, microfilaments generate the force necessary for cell movement and shape changes. They also contribute to the maintenance of cell shape and provide structural support to the cell.

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  • 16. 

    Intermediate Filaments helps in __________. 

    • A.

      Strengthening the cell.

    • B.

      Forms of ATP.

    • C.

      Cell contraction, movements, and structural support.

    • D.

      Digests, and recycles materials.

    • E.

      Modifies new polypeptide chains, synthesizes lipids.

    Correct Answer
    A. Strengthening the cell.
    Explanation
    Intermediate filaments play a crucial role in strengthening the cell. They provide mechanical support and stability to the cell, helping it withstand physical stress and maintain its shape. These filaments are particularly important in cells that experience mechanical strain, such as muscle cells and epithelial cells. By forming a strong network within the cytoplasm, intermediate filaments contribute to the overall structural integrity of the cell, ensuring its proper functioning and protection against external forces.

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Daniel P |MSEd (Science Education) |
Science Education
With 11 years of urban teaching, Daniel excels as a STEM club teacher, demonstrating expertise in curriculum design, differentiated instruction for IEPs, and adept use of Google Classroom. His commitment to education shines through in his impactful contributions to STEM learning. Daniel holds an MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. With certifications in Special Education and Biology, he is dedicated to curriculum development and enhancing educational experiences for students. He is currently working as a Special Education Teacher at NYC Department of Education.

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  • Current Version
  • Jun 19, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Daniel P
  • Jan 25, 2009
    Quiz Created by
    Biology100
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