Photosynthesis In Green Plants Quiz

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Photosynthesis In Green Plants Quiz - Quiz

Do you understand photosynthesis in green plants? Why is it important? Can you assess the photosynthesis diagram? Take this quiz and answer the questions related to the process of photosynthesis, chemical and word equations, and much more. You will not only have an idea of your current knowledge about photosynthesis, but you will also learn more as you attempt these questions. All the best to you with this quiz, and have ultimate fun!


Questions and Answers
  • 1. 

    What chemical enters the leaf from the air?

    • A.

      Oxygen

    • B.

      Nitrogen

    • C.

      Carbon dioxide

    • D.

      Chlorophyll

    Correct Answer
    C. Carbon dioxide
    Explanation
    Carbon dioxide enters the leaf from the air through tiny pores called stomata. These stomata are present on the surface of the leaf and allow the exchange of gases between the plant and the atmosphere. Carbon dioxide is an essential component for photosynthesis, a process in which plants convert carbon dioxide and sunlight into glucose and oxygen. Therefore, carbon dioxide is the chemical that enters the leaf from the air.

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  • 2. 

    When we talk about the "food factories" in a leaf, what specific parts of the leaf are we referring to?

    • A.

      Chlorophyll

    • B.

      Chloroplasts

    • C.

      Stoma

    • D.

      Sponge cell

    Correct Answer
    B. Chloroplasts
    Explanation
    The specific parts of the leaf that are referred to as "food factories" are chloroplasts. Chloroplasts contain the pigment chlorophyll, which is responsible for capturing sunlight and converting it into energy through the process of photosynthesis. This energy is used to produce glucose, the food source for the plant. Therefore, the chloroplasts play a crucial role in the production of food within the leaf.

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  • 3. 

    Sunlight is very important for plants.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Sunlight is crucial for plants as it is the primary source of energy for photosynthesis, the process through which plants convert sunlight into chemical energy to fuel their growth and development. Without sunlight, plants would not be able to produce the necessary sugars and oxygen required for their survival. Sunlight also plays a role in regulating various physiological processes in plants, such as the opening and closing of stomata, which aids in the exchange of gases. Therefore, it can be concluded that sunlight is indeed essential for plants.

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  • 4. 

    The leaf makes food in the form of what kind of energy? Use the diagram to find the answer.

    • A.

      White sugar

    • B.

      Brown sugar

    • C.

      Cane sugar

    • D.

      Glucose or simple sugar

    Correct Answer
    D. Glucose or simple sugar
    Explanation
    The diagram shows that the leaf makes food in the form of glucose or simple sugar. This is supported by the options given, which include white sugar, brown sugar, cane sugar, and glucose or simple sugar. Since glucose or simple sugar is the only option that directly matches the diagram, it can be concluded that the leaf produces glucose or simple sugar as its form of energy.

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  • 5. 

    What is the other substance that is released into the air when the leaf makes its food?

    • A.

      Water

    • B.

      Carbon dioxide

    • C.

      Oxygen

    • D.

      Glucose

    Correct Answer
    C. Oxygen
    Explanation
    When a leaf makes its food through the process of photosynthesis, it releases oxygen into the air as a byproduct. Oxygen is produced during the light-dependent reactions of photosynthesis, where water molecules are split, releasing oxygen gas. This oxygen is then released into the atmosphere through tiny pores called stomata on the surface of the leaf. Therefore, oxygen is the other substance that is released into the air when the leaf makes its food.

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  • 6. 

    Moon is the main source of light used in photosynthesis.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The moon is not a source of light used in photosynthesis. Photosynthesis is the process by which plants convert light energy from the sun into chemical energy to fuel their growth. The moon does not emit its own light but instead reflects the sunlight, so it cannot be considered as the main source of light used in photosynthesis. Therefore, the given statement is false.

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  • 7. 

    We know that a leaf needs 4 things in order to complete the process of photosynthesis. What are these four things? Use the diagram to help you.

    • A.

      Carbon dioxide, water, sunlight, chlorophyll

    • B.

      Oxygen, water, sunlight, chlorophyll

    • C.

      Oxygen, soil, sunlight, chlorophyll

    • D.

      Carbon dioxide, minerals, sunlight, chlorophyll

    Correct Answer
    A. Carbon dioxide, water, sunlight, chlorophyll
    Explanation
    The diagram shows the process of photosynthesis, which is the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight and chlorophyll. Therefore, the correct answer is carbon dioxide, water, sunlight, and chlorophyll.

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  • 8. 

    What gas does the leaf give off into the air during photosynthesis?

    • A.

      Nitrogen

    • B.

      Carbon dioxide

    • C.

      Sulfur dioxide

    • D.

      Oxygen

    Correct Answer
    D. Oxygen
    Explanation
    During photosynthesis, plants absorb carbon dioxide from the air and convert it into glucose and oxygen. The oxygen produced during this process is released into the air as a byproduct. Therefore, the correct answer is oxygen.

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  • 9. 

    How does air enter the leaf?

    • A.

      Holes

    • B.

      Guard cells

    • C.

      Cuticle

    • D.

      Stomata

    Correct Answer
    D. Stomata
    Explanation
    Stomata are tiny openings on the surface of leaves that allow for the exchange of gases, including the entry of air into the leaf. These openings are surrounded by specialized cells called guard cells, which can open and close the stomata to regulate the flow of gases. The cuticle is a waxy layer on the leaf surface that helps to reduce water loss, but it does not directly allow air to enter the leaf. Therefore, stomata is the correct answer as it is specifically designed for the entry of air into the leaf.

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  • 10. 

    In this process, which occurs in plants and animals, sugars and oxygen join to produce water, carbon dioxide, and energy. What is the process?

    • A.

      Hydrogenation

    • B.

      Photosynthesis

    • C.

      Transpiration

    • D.

      Respiration

    Correct Answer
    D. Respiration
    Explanation
    Respiration is the correct answer because it is the process in which sugars and oxygen combine to produce water, carbon dioxide, and energy. This process occurs in both plants and animals, allowing them to convert glucose into usable energy through a series of chemical reactions. It is an essential process for the survival of living organisms.

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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
  • Dec 04, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 08, 2007
    Quiz Created by
    Njacobson

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