Test Your Knowledge Of Important Cell Organelles!

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| By Marybeth.knight
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Test Your Knowledge Of Important Cell Organelles! - Quiz

Whether you’re studying biology in school or you just happen to be interested in the tiny components that make us who we are, this is the quiz for you! Answer all of the questions to test your knowledge of important cell organelles! How much do you know about them?


Questions and Answers
  • 1. 

    Which organelle creates ATP energy for a cell?

    • A.

      Chloroplast

    • B.

      Mitochondria

    • C.

      Ribosome

    • D.

      Nucleus

    Correct Answer
    B. Mitochondria
    Explanation
    The mitochondria is the organelle responsible for creating ATP energy for a cell. ATP is the main energy currency of the cell, and it is produced through a process called cellular respiration, which takes place in the mitochondria. This organelle is often referred to as the "powerhouse" of the cell because it generates the energy needed for various cellular activities. The chloroplast, on the other hand, is responsible for photosynthesis in plant cells, not ATP production. Ribosomes are involved in protein synthesis, and the nucleus contains the cell's genetic material.

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  • 2. 

    What is the function of chloroplasts?

    • A.

      Makes sugar from sunlight

    • B.

      Creates energy for the cell

    • C.

      Holds the DNA

    • D.

      Is used for storage

    Correct Answer
    A. Makes sugar from sunlight
    Explanation
    Chloroplasts are responsible for converting sunlight into energy through the process of photosynthesis. During photosynthesis, chloroplasts use sunlight, water, and carbon dioxide to produce glucose (sugar) and oxygen. This glucose serves as a source of energy for the cell and is used for various cellular processes. Therefore, the function of chloroplasts is to make sugar from sunlight.

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  • 3. 

    Plant cells have one big____ used for storage, but animal cells have lots of small ones.

    • A.

      Nucleus

    • B.

      Mitochondria

    • C.

      Vacuole

    • D.

      Cytoplasm

    Correct Answer
    C. Vacuole
    Explanation
    Plant cells have one big vacuole used for storage, but animal cells have lots of small ones. The vacuole in plant cells is a large membrane-bound organelle that stores water, nutrients, and waste products. It helps maintain the cell's shape and structure, and also plays a role in regulating turgor pressure. In contrast, animal cells have smaller vacuoles that are involved in various functions such as storing waste, maintaining pH balance, and regulating ion concentration. The presence of one big vacuole in plant cells and multiple small vacuoles in animal cells is a key difference between the two cell types.

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  • 4. 

    What are most important parts of chromosomes?

    • A.

      DNA

    • B.

      Proteins

    • C.

      Lipids

    • D.

      carbohydrates

    Correct Answer
    A. DNA
    Explanation
    The most important parts of chromosomes are DNA. DNA carries the genetic information that determines an organism's traits and characteristics. It contains the instructions for building and maintaining an organism. Proteins, lipids, and carbohydrates are important components of cells, but they are not the primary components of chromosomes. Chromosomes are made up of DNA molecules that are tightly coiled and packaged with proteins called histones.

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  • 5. 

    Which description best fits the cell membrane?

    • A.

      Transparent

    • B.

      Rigid for support

    • C.

      Thick and waxy

    • D.

      Semi-permeable

    Correct Answer
    D. Semi-permeable
    Explanation
    The cell membrane is described as semi-permeable because it selectively allows certain substances to pass through while restricting the passage of others. This characteristic is essential for maintaining the internal environment of the cell and regulating the movement of molecules in and out of the cell.

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  • 6. 

    Which of the following organelles do animal cells have?

    • A.

      Chloroplasts

    • B.

      Cell wall

    • C.

      One large vacuole

    • D.

      Mitochondria

    Correct Answer
    D. Mitochondria
    Explanation
    Animal cells have mitochondria. Mitochondria are membrane-bound organelles found in the cytoplasm of eukaryotic cells. They are responsible for producing energy in the form of ATP through cellular respiration. Animal cells require energy for various cellular processes, and mitochondria play a crucial role in meeting this energy demand. Unlike plant cells, animal cells do not have chloroplasts, cell walls, or one large vacuole.

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  • 7. 

    What is the function of the nucleus?

    • A.

      Storage for nutrients

    • B.

      Control center for cell

    • C.

      Makes energy

    • D.

      Photosynthesizes

    Correct Answer
    B. Control center for cell
    Explanation
    The nucleus is the control center for the cell. It contains the cell's genetic material, including DNA, which carries the instructions for the cell's activities. The nucleus regulates gene expression and controls the synthesis of proteins necessary for cell function. It also plays a role in cell division, as it is involved in the replication and distribution of DNA during mitosis and meiosis. Therefore, the nucleus is essential for the overall coordination and regulation of cellular processes, making it the control center of the cell.

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  • 8. 

    What is the nutritious goo inside cells called?

    • A.

      Chloroplasts

    • B.

      Nucleus

    • C.

      Cytoplasm

    • D.

      Cellojello

    Correct Answer
    C. Cytoplasm
    Explanation
    Cytoplasm is the correct answer because it refers to the gel-like substance found inside cells. It contains various nutrients, proteins, and organelles that are essential for the cell's functioning. Chloroplasts are responsible for photosynthesis in plant cells, while the nucleus is the control center of the cell. Cellojello is not a scientific term and does not exist.

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  • 9. 

    Where does photosynthesis happen?

    • A.

      Chloroplasts

    • B.

      Ribosomes

    • C.

      Mitochondria

    • D.

      Vacuoles

    Correct Answer
    A. Chloroplasts
    Explanation
    Photosynthesis is the process by which plants convert sunlight into energy. It occurs in the chloroplasts of plant cells, where chlorophyll, a green pigment, captures sunlight and uses it to convert carbon dioxide and water into glucose and oxygen. Chloroplasts are specialized organelles found in plant cells that contain chlorophyll and are responsible for carrying out photosynthesis. Therefore, the correct answer is chloroplasts.

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  • 10. 

    Where are proteins made?

    • A.

      Chloroplasts

    • B.

      Mitochondria

    • C.

      Nucleus

    • D.

      Ribosomes

    Correct Answer
    D. Ribosomes
    Explanation
    Proteins are made in ribosomes. Ribosomes are small structures found in cells that are responsible for protein synthesis. They read the genetic information stored in DNA and use it to assemble amino acids into proteins. Therefore, ribosomes are the correct answer for where proteins are made.

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  • 11. 

    Animal cells do not have...

    • A.

      Chloroplasts

    • B.

      Cell walls

    • C.

      A squarish shape

    • D.

      A large central vacuole

    • E.

      They have none of the above

    Correct Answer
    E. They have none of the above
    Explanation
    Animal cells do not have chloroplasts, cell walls, a squarish shape, or a large central vacuole. These features are typically found in plant cells. Animal cells lack chloroplasts because they do not perform photosynthesis like plants do. They also lack cell walls, which provide structural support and protection in plant cells. Animal cells have a round or irregular shape, rather than a squarish shape. Additionally, animal cells do not have a large central vacuole, which is a storage organelle found in plant cells. Therefore, the correct answer is that animal cells have none of the above features.

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  • 12. 

    Which organelle is this?

    • A.

      Vacuole

    • B.

      Nucleus

    • C.

      Chloroplast

    • D.

      Mitochondria

    Correct Answer
    D. Mitochondria
    Explanation
    The correct answer is mitochondria. Mitochondria are organelles found in eukaryotic cells that are responsible for generating energy in the form of ATP through cellular respiration. They have a double membrane structure and contain their own DNA, allowing them to produce some of their own proteins. Mitochondria are commonly referred to as the "powerhouses" of the cell due to their crucial role in energy production.

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  • 13. 

    • A.

      This is the cell membrane up close

    • B.

      This is the mitochondria up close

    • C.

      These are the ribosomes up close

    • D.

      This is cytoskeleton up close

    Correct Answer
    A. This is the cell membrane up close
  • 14. 

    • A.

      These are animal cells - the dark lines show the vacuoles

    • B.

      These are animal cells - the dark lines show the cell walls

    • C.

      These are plant cells - the dark lines show the vacuoles

    • D.

      These are plant cells - the dark lines show the cell walls

    Correct Answer
    D. These are plant cells - the dark lines show the cell walls
  • 15. 

    What is this?

    • A.

      Vacuole

    • B.

      Nucleus

    • C.

      Chloroplast

    • D.

      Mitochondria

    Correct Answer
    C. Chloroplast
    Explanation
    Chloroplasts are organelles found in plant cells that are responsible for photosynthesis. They contain chlorophyll, a pigment that captures sunlight and converts it into chemical energy. This energy is then used to produce glucose, which is the main source of energy for the plant. Chloroplasts also help in the synthesis of other important molecules, such as amino acids and lipids. Unlike other organelles listed, chloroplasts are only found in plant cells and are crucial for their survival and growth.

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  • 16. 

    Which organelle looks like dots on a cell diagram?

    • A.

      Cytoplasm

    • B.

      Nucleus

    • C.

      Ribosomes

    • D.

      Mitochondria

    Correct Answer
    C. Ribosomes
    Explanation
    Ribosomes are the organelles that appear as dots on a cell diagram. They are responsible for protein synthesis and can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum. These small structures consist of RNA and protein and are essential for the production of proteins in the cell.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 01, 2010
    Quiz Created by
    Marybeth.knight
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