Basics Of Cell Parts And Functions

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Basics Of Cell Parts And Functions - Quiz

Cells are the smallest units of life and have specially modified structures that help it to achieve its functions. Each cell contains smaller organelles that perform various functions such as metabolism, transportation, and secretion of substances. Do you think you can correctly identify the descriptions and functions of plant and animal cell parts? Let's check you now by taking this quiz!


Questions and Answers
  • 1. 

    A network of passageways that carries materials from one part of the cell to another

    • A.

      Endoplasmic reticulum

    • B.

      Cell wall

    • C.

      Vacuole

    • D.

      Chromatin

    • E.

      Ribosomes

    Correct Answer
    A. Endoplasmic reticulum
    Explanation
    The endoplasmic reticulum is a network of passageways within a cell that is responsible for carrying materials from one part of the cell to another. It plays a crucial role in the synthesis, modification, and transport of proteins and lipids. This organelle is involved in the production of proteins that are destined for secretion or for use within the cell, as well as in the detoxification of drugs and other harmful substances. The endoplasmic reticulum is composed of a network of interconnected tubules and flattened sacs, providing a large surface area for various cellular processes.

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  • 2. 

    Cells’ power plants; rod-shaped; has a smooth outer membrane

    • A.

      Chloroplasts

    • B.

      Lysosome

    • C.

      Cytoplasm

    • D.

      Ribosomes

    • E.

      Mitochondria

    Correct Answer
    E. Mitochondria
    Explanation
    Mitochondria are the correct answer because they are known as the power plants of cells. They are rod-shaped organelles with a smooth outer membrane. They are responsible for producing energy in the form of ATP through cellular respiration.

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  • 3. 

            Consists of a jellylike substance that contains many organelles; region between the nucleus and the cell membrane

    • A.

      Ribosomes

    • B.

      Nucleolus

    • C.

      Cytoplasm

    • D.

      Chloroplasts

    • E.

      Cell wall

    Correct Answer
    C. Cytoplasm
    Explanation
    The cytoplasm is a jelly-like substance that fills the region between the nucleus and the cell membrane. It contains many organelles, including ribosomes, which are responsible for protein synthesis. The cytoplasm also houses other organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus. It is involved in various cellular processes such as metabolism, transport of molecules, and support for organelles. The cytoplasm plays a crucial role in maintaining the overall structure and function of the cell.

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  • 4. 

    Directs all of the cell’s activities, including reproduction; contains nucleic acids

    • A.

      Nucleus

    • B.

      Cell membrane

    • C.

      Endoplasmic reticulum

    • D.

      Chromatin

    • E.

      Mitochondria

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus directs all of the cell's activities, including reproduction, and contains nucleic acids. It is the control center of the cell, where DNA is stored and transcribed into RNA. The nucleus also houses the nucleolus, which is responsible for the production of ribosomes. Without the nucleus, the cell would not be able to carry out essential functions and would not be able to reproduce. The other options listed, such as the cell membrane, endoplasmic reticulum, chromatin, and mitochondria, are important components of the cell but do not have the same level of control and involvement in cellular activities as the nucleus.

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  • 5. 

    Found in the nucleus; made of DNA, plus some protein

    • A.

      Vacuole

    • B.

      Ribosomes

    • C.

      Mitochondria

    • D.

      Chromatin

    • E.

      Nucleolus

    Correct Answer
    D. Chromatin
    Explanation
    Chromatin is found in the nucleus and is made up of DNA and some proteins. It plays a crucial role in packaging and organizing DNA within the nucleus. During cell division, chromatin condenses to form chromosomes.

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  • 6. 

            Gives the cell a rigid, box-like shape; outside of the cell membrane; in plants, made of cellulose

    • A.

      Cell wall

    • B.

      Chromatin

    • C.

      Cytoplasm

    • D.

      Lysosome

    • E.

      Cell membrane

    Correct Answer
    A. Cell wall
    Explanation
    The cell wall is a rigid, box-like structure located outside of the cell membrane. It is made of cellulose in plants. This structure provides support and protection to the cell, helping to maintain its shape and prevent it from bursting under osmotic pressure. The cell wall also allows for communication and interaction between neighboring cells.

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  • 7. 

    Photosynthesis takes place here; captures energy in sunlight and uses it to produce food

    • A.

      Nucleus

    • B.

      Nucleolus

    • C.

      Mitochondria

    • D.

      Vacuole

    • E.

      Chloroplasts

    Correct Answer
    E. Chloroplasts
    Explanation
    Chloroplasts are the correct answer because they are the organelles where photosynthesis takes place. They contain chlorophyll, a pigment that captures energy from sunlight, and use this energy to convert carbon dioxide and water into glucose, which is the food for the plant.

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  • 8. 

    Produced in the nucleolus; place where proteins are made; made primarily of RNA

    • A.

      Vacole

    • B.

      Ribosomes

    • C.

      Endoplasmic reticulum

    • D.

      Chromatin

    • E.

      Cytoplasm

    Correct Answer
    B. Ribosomes
    Explanation
    Ribosomes are the correct answer because they are produced in the nucleolus, which is where proteins are made. Ribosomes are primarily made of RNA and are responsible for protein synthesis in the cell. They can be found in the cytoplasm and on the endoplasmic reticulum.

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  • 9. 

    Protects the cell; regulates what substances enter and leave the cell

    • A.

      Nucleus

    • B.

      Nucleolus

    • C.

      Cell membrane

    • D.

      Ribosomes

    • E.

      Lysosome

    Correct Answer
    C. Cell membrane
    Explanation
    The cell membrane is responsible for protecting the cell and regulating the movement of substances into and out of the cell. It acts as a barrier, allowing only certain molecules to pass through while preventing others from entering or leaving the cell. This selective permeability helps maintain the internal environment of the cell and ensures that essential substances are able to enter while waste products and harmful substances are kept out. Therefore, the cell membrane plays a crucial role in maintaining the integrity and functionality of the cell.

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  • 10. 

    Sac within the cytoplasm that is full of fluid; plants have one large one; stores food, water, etc.

    • A.

      Vacuole

    • B.

      Cell wall

    • C.

      Cell membrane

    • D.

      Nucleolus

    • E.

      Chloroplasts

    Correct Answer
    A. Vacuole
    Explanation
    A vacuole is a sac within the cytoplasm that is full of fluid. In plants, there is usually one large vacuole that serves to store various substances such as food, water, and waste products. The vacuole also helps maintain the rigidity and shape of the plant cell. Therefore, the correct answer is vacuole.

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  • 11. 

            Small organelles that contain chemicals (enzymes) that break down food; garbage disposal unit of cell

    • A.

      Mitochondria

    • B.

      Cell wall

    • C.

      Cytoplasm

    • D.

      Lysosome

    • E.

      Vacuole

    Correct Answer
    D. Lysosome
    Explanation
    Lysosomes are small organelles that contain enzymes responsible for breaking down food particles and waste materials in the cell. They act as the "garbage disposal unit" of the cell, helping to remove and recycle cellular waste. Lysosomes play a crucial role in maintaining cellular function and overall cell health.

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  • 12. 

    Where ribosomes are made; part of the nucleus (in the nucleus)

    • A.

      Cell wall

    • B.

      Cell membrane

    • C.

      Nucleolus

    • D.

      Nucleus

    • E.

      Nucleolus

    Correct Answer
    C. Nucleolus
    Explanation
    The nucleolus is responsible for the production of ribosomes, which are essential for protein synthesis. It is located within the nucleus of a cell. This is where the assembly of ribosomal subunits takes place before they are transported out of the nucleus to the cytoplasm, where they can begin their role in protein production. The nucleolus plays a crucial role in the overall functioning of the cell by ensuring the production of ribosomes, which are vital for various cellular processes.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 20, 2009
    Quiz Created by
    Ally8866
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