Cellular Respiration And Photosynthesis

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| By Dlaverty
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Dlaverty
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Quizzes Created: 1 | Total Attempts: 633
Questions: 10 | Attempts: 633

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Cellular Respiration And Photosynthesis - Quiz

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Questions and Answers
  • 1. 

    Select all below that are examples of heterotrophs.

    • A.

      Oak tree

    • B.

      Swan

    • C.

      Pig

    • D.

      Tomato plant

    • E.

      Human

    • F.

      Strawberry

    Correct Answer(s)
    B. Swan
    C. Pig
    E. Human
    Explanation
    The correct answer includes swan, pig, and human. Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy. Swans, pigs, and humans are all examples of animals that obtain their energy by consuming other organisms. Oak trees, tomato plants, and strawberries, on the other hand, are examples of autotrophs, as they can produce their own food through photosynthesis.

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  • 2. 

    Where does photosynthesis take place within a cell?

    • A.

      Mitochondria

    • B.

      Nucleus

    • C.

      Virginia

    • D.

      Chloroplast

    Correct Answer
    D. Chloroplast
    Explanation
    Photosynthesis takes place within the chloroplasts of a cell. Chloroplasts are specialized organelles found in plant cells and some algae. They contain chlorophyll, a pigment that captures sunlight, and other necessary enzymes for the process of photosynthesis. During photosynthesis, chloroplasts convert light energy into chemical energy by using carbon dioxide and water to produce glucose and oxygen. The glucose is then used as a source of energy for the cell. Therefore, the correct answer is chloroplast.

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  • 3. 

    Which energy carrying molecule is used to do the work inside of cells?

    • A.

      Protein

    • B.

      ATP

    • C.

      Glucose

    • D.

      DNA

    Correct Answer
    B. ATP
    Explanation
    ATP (adenosine triphosphate) is the correct answer. ATP is the energy currency of cells and is used to power various cellular processes. It releases energy when the terminal phosphate bond is broken, converting ATP into ADP (adenosine diphosphate). This energy release is used to do the work inside cells, such as muscle contraction, active transport, and synthesis of molecules. Proteins, glucose, and DNA are important molecules in cells but do not directly carry energy for cellular work like ATP does.

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  • 4. 

    Where does cellular respiration take place within a cell?

    • A.

      Mitochondria

    • B.

      Nucleus

    • C.

      Virginia

    • D.

      Chloroplast

    Correct Answer
    A. Mitochondria
    Explanation
    Cellular respiration is the process by which cells convert nutrients into energy in the form of ATP. This process occurs in the mitochondria, which are often referred to as the "powerhouse" of the cell. Mitochondria have their own DNA and are responsible for producing the majority of ATP through aerobic respiration. The other options, such as the nucleus and chloroplast, are not involved in cellular respiration.

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  • 5. 

    Select all below that are examples of autotrophs.

    • A.

      Oak tree

    • B.

      Swan

    • C.

      Pig

    • D.

      Tomato plant

    • E.

      Human

    • F.

      Strawberry

    Correct Answer(s)
    A. Oak tree
    D. Tomato plant
    F. Strawberry
    Explanation
    Autotrophs are organisms that can produce their own food through photosynthesis or chemosynthesis. Oak trees, tomato plants, and strawberries are examples of autotrophs because they are able to convert sunlight into energy through photosynthesis. They have chlorophyll in their cells, which allows them to capture sunlight and convert it into glucose. On the other hand, swans, pigs, and humans are not autotrophs because they cannot produce their own food and rely on consuming other organisms for energy.

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  • 6. 

    Cellular respiration produces glucose.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Cellular respiration does not produce glucose. Instead, glucose is broken down during cellular respiration to produce energy in the form of ATP. Glucose is the starting molecule for cellular respiration, and it is converted into carbon dioxide and water during the process. This conversion releases energy that is used by cells for various functions. Therefore, the statement that cellular respiration produces glucose is incorrect.

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  • 7. 

    What is the substance inside the chloroplast that photosynthesis takes place in, and also gives plants their green color?

    • A.

      Chromatid

    • B.

      Chlorophyll

    • C.

      Chlorine

    • D.

      Chlorox

    Correct Answer
    B. Chlorophyll
    Explanation
    Chlorophyll is the substance inside the chloroplast where photosynthesis takes place and also gives plants their green color. Chlorophyll is a pigment that absorbs light energy and is essential for the conversion of sunlight into chemical energy during photosynthesis. It plays a crucial role in capturing light and initiating the process of photosynthesis, which is vital for plant growth and survival.

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  • 8. 

    What are the inputs for photosynthesis?

    • A.

      Oxygen + sunlight

    • B.

      Carbon dioxide + sunlight

    • C.

      Carbon dioxide + water + sunlight

    • D.

      Oxygen + water + sunlight

    Correct Answer
    C. Carbon dioxide + water + sunlight
    Explanation
    The inputs for photosynthesis are carbon dioxide, water, and sunlight. During photosynthesis, plants use carbon dioxide from the air, water from the soil, and sunlight as energy to produce glucose and oxygen. This process takes place in the chloroplasts of plant cells, where chlorophyll captures sunlight and converts it into chemical energy. The carbon dioxide is absorbed through tiny openings called stomata on the leaves, while water is taken up through the roots. Together with sunlight, these inputs enable plants to produce their own food and release oxygen as a byproduct.

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  • 9. 

    Which energy carrying molecule is used for storage and transport of energy?

    • A.

      Protein

    • B.

      ATP

    • C.

      Glucose

    • D.

      DNA

    Correct Answer
    C. Glucose
    Explanation
    Glucose is the correct answer because it is a carbohydrate that serves as the primary source of energy in living organisms. It is used for both storage and transport of energy in the form of ATP (adenosine triphosphate), which is produced through the breakdown of glucose during cellular respiration. Glucose is converted into ATP in the mitochondria of cells and then transported to where energy is needed for various cellular processes.

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  • 10. 

    What are the inputs for cellular respiration?

    • A.

      Oxygen + water

    • B.

      Oxygen + water + sunlight

    • C.

      Oxygen + water + glucose

    • D.

      Oxygen + glucose

    Correct Answer
    D. Oxygen + glucose
    Explanation
    The inputs for cellular respiration are oxygen and glucose. Oxygen is needed as the final electron acceptor in the electron transport chain, while glucose is the main source of energy that is broken down through a series of metabolic reactions to produce ATP.

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