Practice- Photosynthesis & Cellular Respiration

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  • 1/24 Questions

      The green pigment in the chloroplast is called _________________.

    • Chlorophyll
    • Water
    • Cytoplasm
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About This Quiz

Photosynthesis is the process through which plants take in carbon dioxide and re-introduce oxygen to the atmosphere. This process uses sunlight energy and turns it into chemical energy that assists in cellular respiration. This is a very simple and easy quiz about photosynthesis and cellular respiration. It will review or teach you some things that are important on the topic. Let's start!

Practice- Photosynthesis & Cellular Respiration - Quiz

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  • 2. 

    The purpose of photosynthesis is to convert solar energy and CO2 to glucose for food

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. Glucose is a type of sugar that serves as a source of energy for plants. Therefore, the purpose of photosynthesis is indeed to convert solar energy and CO2 into glucose, which is used as food for plants.

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  • 3. 

    What does the Chloroplast do?

    • Stores water

    • Conduct photosynthesis

    • Control cellular activities

    Correct Answer
    A. Conduct photosynthesis
    Explanation
    Chloroplasts are responsible for conducting photosynthesis, a process in which they convert sunlight, water, and carbon dioxide into glucose and oxygen. This process is crucial for the production of energy and food for the plant. Chloroplasts contain chlorophyll, a pigment that captures sunlight and initiates the photosynthetic reaction. Therefore, the correct answer is conduct photosynthesis.

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  • 4. 

    What is the main difference between aerobic and anaerobic respiration?

    • Aerobic uses sugar, Anaerobic does not.

    • Aerobic uses oxygen, Anaerobic does not.

    • Anaerobic uses oxygen, Aerobic does not.

    Correct Answer
    A. Aerobic uses oxygen, Anaerobic does not.
    Explanation
    Aerobic respiration refers to the process in which cells use oxygen to break down glucose and produce energy. On the other hand, anaerobic respiration occurs when cells break down glucose without the presence of oxygen. The main difference between the two is that aerobic respiration requires oxygen, while anaerobic respiration does not.

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  • 5. 

    Photosynthesis makes _____ gas, which we inhale to breathe with for cellular respiration to occur.

    • Carbon dioxide

    • Water

    • Oxygen

    Correct Answer
    A. Oxygen
    Explanation
    During photosynthesis, plants convert carbon dioxide and water into glucose and oxygen. Oxygen is released as a byproduct and is essential for cellular respiration to occur. In cellular respiration, oxygen is used by cells to break down glucose and produce energy in the form of ATP. Therefore, oxygen gas produced during photosynthesis is the correct answer as it is the gas we inhale to breathe and support cellular respiration.

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  • 6. 

    Which words are missing from the equation for photosynthesis? carbon dioxide (CO2) + ________  + sunlight --->  sugar + __________

    • Sugar, nitrogen

    • Energy, ATP

    • Water, oxygen

    • Oxygen, carbon dioxide

    Correct Answer
    A. Water, oxygen
    Explanation
    During photosynthesis, carbon dioxide (CO2) is combined with water and sunlight to produce sugar and oxygen. Water is necessary for the process as it provides the hydrogen atoms needed to form the sugar molecule. Oxygen is released as a byproduct of photosynthesis.

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  • 7. 

    Cellular respiration energy can be released by breaking down which molecule? 

    • Glucose

    • Water

    • CO2

    Correct Answer
    A. Glucose
    Explanation
    Glucose is the correct answer because it is the molecule that is broken down during cellular respiration to release energy. This process occurs in the mitochondria of cells and involves a series of chemical reactions that convert glucose into ATP (adenosine triphosphate), the main energy currency of cells. Through the breakdown of glucose, cells are able to produce ATP, which is used for various cellular processes and functions.

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  • 8. 

    Photosynthesis is to chloroplasts as cellular respiration is to:

    • Chloroplasts

    • Cytoplasm

    • Mitochondria

    • Nuclei

    Correct Answer
    A. Mitochondria
    Explanation
    Photosynthesis is the process by which plants convert sunlight into energy using chloroplasts. Similarly, cellular respiration is the process by which cells convert energy from nutrients into a usable form. This process occurs in the mitochondria, which are known as the "powerhouses" of the cell. They generate ATP, the molecule that provides energy for cellular activities. Therefore, the correct answer is mitochondria.

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  • 9. 

    Many plants in the room will decrease the level of ________ from the air, but increase the level of _____________.

    • Carbon dioxide, oxygen

    • Oxygen, carbon dioxide

    • Carbon dioxide, axe

    Correct Answer
    A. Carbon dioxide, oxygen
    Explanation
    Plants perform photosynthesis, a process in which they take in carbon dioxide and release oxygen. Therefore, having many plants in a room will decrease the level of carbon dioxide from the air and increase the level of oxygen.

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  • 10. 

    What is found in a plant cell but not in an animal cell?

    • Cell membrane

    • Cytoplasm

    • Chloroplasts

    • Golgi apparatus

    Correct Answer
    A. Chloroplasts
    Explanation
    Chloroplasts are found in plant cells but not in animal cells. Chloroplasts are responsible for photosynthesis, the process by which plants convert sunlight into energy. They contain chlorophyll, a green pigment that captures light energy. Animal cells do not have chloroplasts because they do not undergo photosynthesis. Instead, animal cells obtain energy from food through cellular respiration.

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  • 11. 

    Plants and animals exchange materials through the processes of photosynthesis and respiration. Which of these statements is true about the way these two processes are related?

    • The products of photosynthesis inhibit respiration.

    • The products of photosynthesis are also the products of respiration.

    • The product of photosynthesis are the reactants of respiration.

    Correct Answer
    A. The product of photosynthesis are the reactants of respiration.
    Explanation
    The correct answer is "The product of photosynthesis are the reactants of respiration." This statement is true because during photosynthesis, plants produce glucose and oxygen as products. These products are then used as reactants during respiration, where glucose is broken down to release energy and oxygen is used to help in the process. Therefore, the products of photosynthesis (glucose and oxygen) are the reactants of respiration.

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  • 12. 

    A student is collecting the gas given off from a plant in bright sunlight at a temperature at 27c. Which gas would the student be collecting?

    • Nitrogen 

    • Carbon dioxide

    • Oxygen 

    Correct Answer
    A. Oxygen 
    Explanation
    In bright sunlight, plants undergo photosynthesis, a process in which they convert carbon dioxide and water into glucose and oxygen. Oxygen is the gas given off by plants during photosynthesis. Therefore, the student would be collecting oxygen gas from the plant.

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  • 13. 

    Cellular respiration occurs in which cell type? (click all that apply)

    • Plant

    • Animal

    • Rocks

    Correct Answer(s)
    A. Plant
    A. Animal
    Explanation
    Cellular respiration is the process by which cells convert glucose and oxygen into carbon dioxide, water, and energy in the form of ATP. This process occurs in both plant and animal cells. Plant cells carry out cellular respiration in their mitochondria, just like animal cells. However, rocks do not have cells and therefore cannot carry out cellular respiration.

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  • 14. 

    Cellular aerobic respiration takes place in the presence of _______

    Correct Answer(s)
    oxygen
    Explanation
    Cellular aerobic respiration is a metabolic process that occurs in the presence of oxygen. During this process, cells break down glucose molecules to produce energy in the form of ATP. Oxygen acts as the final electron acceptor in the electron transport chain, which is a critical step in aerobic respiration. Without oxygen, cells would not be able to efficiently generate ATP through aerobic respiration and would instead rely on anaerobic processes, such as fermentation, which produce less energy. Therefore, the presence of oxygen is essential for cellular aerobic respiration.

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  • 15. 

    Which of the following statements is most correct?

    • Aerobic respiration occurs without oxygen and makes 2 ATP.

    • Aerobic respiration occurs with oxygen and makes 36 ATP.

    • Anaerobic respiration occurs with oxygen and makes 36 ATP.

    • Anaerobic respiration occurs without oxygen and makes 36 ATP.

    Correct Answer
    A. Aerobic respiration occurs with oxygen and makes 36 ATP.
    Explanation
    Aerobic respiration is a metabolic process that occurs in the presence of oxygen. During this process, glucose is broken down to produce ATP, which is the energy currency of the cell. Aerobic respiration is more efficient than anaerobic respiration because it can produce a larger amount of ATP. The statement "Aerobic respiration occurs with oxygen and makes 36 ATP" is the most correct because it accurately describes the process and the amount of ATP produced.

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  • 16. 
    What products of photosynthesis and reactants for respiration belong in the box to complete the cycle? - ProProfs

    What products of photosynthesis and reactants for respiration belong in the box to complete the cycle?

    • Carbon dioxide

    • Oxygen

    • Glucose and oxygen

    Correct Answer
    A. Glucose and oxygen
    Explanation
    During photosynthesis, plants use carbon dioxide and water to produce glucose and oxygen. Glucose is a sugar molecule that serves as a source of energy for the plant. Oxygen is released as a byproduct of photosynthesis. In respiration, glucose is broken down in the presence of oxygen to release energy for the plant's metabolic processes. Therefore, glucose and oxygen complete the cycle of photosynthesis and respiration.

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  • 17. 

    Photosynthesis uses sunlight to convert water and carbon dioxide into:

    • Oxygen

    • High- energy sugars and starches

    • ATP and oxygen

    • Oxygen and high- energy sugars and starches

    Correct Answer
    A. Oxygen and high- energy sugars and starches
    Explanation
    Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into oxygen and high-energy sugars and starches. Oxygen is produced as a byproduct of photosynthesis, which is released into the atmosphere. The high-energy sugars and starches, such as glucose, are stored by the plant for energy. This process is essential for the survival of plants and plays a crucial role in maintaining the balance of oxygen and carbon dioxide in the atmosphere.

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  • 18. 

    In cellular respiration what is the correct equation (click all that apply)

    • 6O2+c6H12O6->6CO2+6H2O+energy

    • 602+C6H12O6+energy -> 6CO2+6H2O

    • 6O2+C6H12O6+energy->6CO2+6H2O

    Correct Answer
    A. 6O2+c6H12O6->6CO2+6H2O+energy
    Explanation
    The correct equation for cellular respiration is 6O2+c6H12O6->6CO2+6H2O+energy. This equation represents the process of breaking down glucose (C6H12O6) and oxygen (O2) to produce carbon dioxide (CO2), water (H2O), and energy. This equation shows the balanced stoichiometry of the reactants and products involved in cellular respiration.

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  • 19. 

    Which is the correct equation for photosynthesis? (click all that apply)

    • CO2+H2O -> C6H12O6+O2

    • H2O + O2 -> energy+C6H12O6

    • CO2+H2O -> C6H12O6+O2

    Correct Answer(s)
    A. CO2+H2O -> C6H12O6+O2
    A. CO2+H2O -> C6H12O6+O2
    Explanation
    The correct equation for photosynthesis is CO2+H2O -> C6H12O6+O2. This equation represents the process of photosynthesis, where carbon dioxide (CO2) and water (H2O) combine with the help of sunlight to produce glucose (C6H12O6) and oxygen (O2). This equation is a simplified representation of the overall process of photosynthesis, which occurs in plants and some microorganisms, and is essential for the production of oxygen and energy-rich molecules.

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  • 20. 

    Anaerobic respiration occurs without oxygen and makes how many ATP?

    Correct Answer(s)
    2
    Explanation
    Anaerobic respiration is a metabolic process that occurs in the absence of oxygen. During anaerobic respiration, glucose is broken down to produce energy in the form of ATP. However, since this process does not involve the electron transport chain, which is dependent on oxygen, the amount of ATP produced is limited. In anaerobic respiration, only a net gain of 2 ATP molecules is produced per glucose molecule. Therefore, the correct answer is 2.

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  • 21. 

    Cellular respiration occurs in what organelle?

    Correct Answer(s)
    mitochondria
    Explanation
    Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. This energy is produced in the form of ATP, which is the main energy currency of cells. Mitochondria are the organelles responsible for carrying out cellular respiration. They have an inner and outer membrane, and contain enzymes and proteins necessary for the different stages of respiration, such as glycolysis, the Krebs cycle, and oxidative phosphorylation. Therefore, the correct answer is mitochondria.

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  • Current Version
  • Mar 10, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 15, 2019
    Quiz Created by
    Kyle Pearson
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