Biology Quiz: Cell Organelles

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Biology Quiz: Cell Organelles - Quiz

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Questions and Answers
  • 1. 

    The powerhouse of the cell:

    • A.

      Mitochondria

    • B.

      Ribosomes

    • C.

      Plastids

    • D.

      Endoplasmic reticulum

    Correct Answer
    A. Mitochondria
    Explanation
    Mitochondria are known as the powerhouse of the cell because they are responsible for producing the majority of the cell's energy in the form of adenosine triphosphate (ATP) through cellular respiration. They have their own DNA and can replicate independently within the cell. This organelle contains enzymes that are involved in the citric acid cycle and oxidative phosphorylation, which are essential for generating ATP. Mitochondria are found in large numbers in cells that require a lot of energy, such as muscle cells, and play a crucial role in maintaining cellular function and metabolism.

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  • 2. 

    The cell organelle with tonoplast and cell sap:

    • A.

      Vacuoles

    • B.

      Mitochondria

    • C.

      Ribosomes

    • D.

      Plastids

    Correct Answer
    A. Vacuoles
    Explanation
    Vacuoles are cell organelles that contain a tonoplast, which is a membrane that surrounds the vacuole and separates its contents from the cytoplasm. The vacuole is filled with cell sap, a mixture of water, ions, sugars, and other substances. This organelle is responsible for storing nutrients, maintaining turgor pressure, and regulating the cell's pH. Therefore, vacuoles are the correct answer to the question.

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  • 3. 

    The cell organelle which helps in the transport of cell products:

    • A.

      Mitochondria

    • B.

      Vacuoles

    • C.

      Plastids

    • D.

      Endoplasmic reticulum

    Correct Answer
    D. Endoplasmic reticulum
    Explanation
    The endoplasmic reticulum is a cell organelle that plays a crucial role in the transport of cell products. It is a network of membranes that extends throughout the cytoplasm of the cell. The endoplasmic reticulum is responsible for the synthesis, folding, and transport of proteins and lipids. It has two main regions: the rough endoplasmic reticulum, which is studded with ribosomes and involved in protein synthesis, and the smooth endoplasmic reticulum, which is involved in lipid metabolism and detoxification. Therefore, the endoplasmic reticulum is the correct answer as it aids in the transport of cell products.

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  • 4. 

    Sites of protein synthesis:

    • A.

      Mitochondria

    • B.

      Plastids

    • C.

      Ribosomes

    • D.

      Chloroplast

    Correct Answer
    C. Ribosomes
    Explanation
    Ribosomes are the sites of protein synthesis in cells. They are small organelles found in both eukaryotic and prokaryotic cells. Ribosomes are responsible for translating the genetic information stored in messenger RNA (mRNA) into proteins. They consist of two subunits, a large and a small subunit, that come together during protein synthesis. Ribosomes can be found free in the cytoplasm or attached to the endoplasmic reticulum. They play a crucial role in the production of proteins, which are essential for various cellular functions and processes.

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  • 5. 

    The cell organelle responsible for secretions:

    • A.

      Mitochondria

    • B.

      Ribosomes

    • C.

      Plastids

    • D.

      Golgi apparatus

    Correct Answer
    D. Golgi apparatus
    Explanation
    The Golgi apparatus is responsible for secretions in the cell. It is involved in the processing, packaging, and distribution of proteins and lipids. It receives proteins and lipids from the endoplasmic reticulum and modifies them by adding sugar molecules or other chemical groups. The Golgi apparatus then packages these modified molecules into vesicles and transports them to their final destination, either within or outside the cell. Therefore, the Golgi apparatus plays a crucial role in the secretion of various substances from the cell.

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  • 6. 

    The cell organelle that help in photosynthesis:

    • A.

      Chloroplast

    • B.

      Leucoplast

    • C.

      Chromoplast

    • D.

      Plastids

    Correct Answer
    A. Chloroplast
    Explanation
    Chloroplasts are the cell organelles that are responsible for photosynthesis in plants. They contain chlorophyll, a pigment that captures sunlight and converts it into chemical energy in the form of glucose. This process is essential for plants to produce food and oxygen. Chloroplasts are found in the cells of green plant tissues and algae, and they have a unique double membrane structure that helps them carry out photosynthesis efficiently. Therefore, chloroplast is the correct answer as it is specifically involved in the process of photosynthesis.

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  • 7. 

    The cell organelle that provides color to fruits and flowers:

    • A.

      Chloroplast

    • B.

      Leucoplast

    • C.

      Chromoplast

    • D.

      Plastids

    Correct Answer
    C. Chromoplast
    Explanation
    Chromoplasts are the cell organelles responsible for providing color to fruits and flowers. They contain pigments such as carotenoids that give fruits and flowers their vibrant hues. Chloroplasts, on the other hand, are responsible for photosynthesis and are found in plant cells. Leucoplasts are colorless organelles that store starch, oils, and proteins. Plastids is a general term that encompasses all types of organelles involved in various metabolic functions in plant cells.

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  • 8. 

    The cell organelle that helps in storage of food:

    • A.

      Chloroplast

    • B.

      Leucoplast

    • C.

      Chromoplast

    • D.

      Plastids

    Correct Answer
    B. Leucoplast
    Explanation
    Leucoplast is the correct answer because it is a type of plastid that is responsible for the storage of food in plant cells. Leucoplasts are colorless and can be found in various parts of the plant, such as roots, tubers, and seeds. They store nutrients such as starch, lipids, and proteins, which are essential for the growth and development of the plant. Unlike chloroplasts and chromoplasts, leucoplasts do not contain pigments and are therefore not involved in photosynthesis or pigment synthesis.

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  • 9. 

    The cell organelle involved in cell division:

    • A.

      Mitochondria

    • B.

      Ribosomes

    • C.

      Centrosomes

    • D.

      Plastids

    Correct Answer
    C. Centrosomes
    Explanation
    Centrosomes are the cell organelles involved in cell division. They play a crucial role in organizing the microtubules during cell division, forming the spindle fibers that help separate the chromosomes. Centrosomes contain a pair of centrioles that aid in the formation of the spindle apparatus. These structures ensure the accurate distribution of genetic material to the daughter cells during both mitosis and meiosis. Mitochondria are responsible for energy production, ribosomes are involved in protein synthesis, and plastids are responsible for various functions like photosynthesis and storage.

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  • 10. 

    The cell organelle that contains various pigments and play a specific role in the functioning of plants:

    • A.

      Chloroplast

    • B.

      Leucoplast

    • C.

      Chromoplast

    • D.

      Plastids

    Correct Answer
    D. Plastids
    Explanation
    Plastids are the correct answer because they are cell organelles that contain various pigments and play a specific role in the functioning of plants. Plastids include chloroplasts, which are responsible for photosynthesis and contain the green pigment chlorophyll, as well as other types such as leucoplasts and chromoplasts that contain different pigments and have specific functions in storage and pigment synthesis in plants.

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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 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 08, 2020
    Quiz Created by
    Alfredhook3
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