Role Of Stomata In Plant: Test Your Knowledge! Trivia Questions Quiz

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| By Eldee Balolong
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Eldee Balolong
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  • 1/25 Questions

    Stomata are present on underside of

    • Flower
    • Fruit
    • Seed
    • Leaf
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About This Quiz

Do you know what the role of stomata in the plant is? The stomata of the plants are designed to help the plant take in carbon dioxide, which it needs to undergo photosynthesis. Test your knowledge on how the pores open and close, and the importance of this to the environment using this trivia questions quiz. All the best as you tackle it!

Role Of Stomata In Plant: Test Your Knowledge! Trivia Questions Quiz - Quiz

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  • 2. 

    These plant cells are responsible for carrying FOOD throughout the plant system. 

    • Xylem Cells

    • Phloem Cells

    Correct Answer
    A. Phloem Cells
    Explanation
    Phloem cells are responsible for carrying food throughout the plant system. These cells are specialized in transporting sugars, amino acids, and other organic compounds from the leaves to the other parts of the plant, such as the roots, stems, and fruits. They form a network of tubes that allow the movement of nutrients in a process called translocation. In contrast, xylem cells are responsible for transporting water and minerals from the roots to the rest of the plant.

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  • 3. 

    These plant cells are responsible for carrying water throughout the plant system. 

    • Xylem Cells

    • Phloem Cells

    Correct Answer
    A. Xylem Cells
    Explanation
    Xylem cells are responsible for carrying water throughout the plant system. They are specialized cells that form a network of tubes, allowing water to move from the roots to the leaves. Xylem cells are composed of long, hollow tubes that are reinforced with lignin, providing strength and support. They also contain pits and perforations that allow for lateral movement of water between adjacent cells. In addition to water, xylem cells also transport minerals and nutrients from the roots to other parts of the plant.

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  • 4. 

    Which part of the leaf is in-charge for gaseous exchange with the environment?

    • Blade

    • Petiole

    • Stipules

    • Stomata

    Correct Answer
    A. Stomata
    Explanation
    Stomata are small openings located on the surface of the leaf, specifically on the lower epidermis. These openings are responsible for the exchange of gases between the leaf and the environment. During photosynthesis, stomata allow carbon dioxide to enter the leaf, which is essential for the process. At the same time, stomata also release oxygen and water vapor, which are byproducts of photosynthesis. Therefore, stomata play a crucial role in the gaseous exchange necessary for the survival and functioning of the leaf.

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  • 5. 

    These cells control the opening and closing of the stomata.

    • Epidermal cells

    • Chloroplast

    • Epithelial cells

    • Guard cells

    Correct Answer
    A. Guard cells
    Explanation
    Guard cells are specialized cells found in the epidermis of plant leaves and stems. They control the opening and closing of stomata, which are small pores on the surface of leaves that allow for gas exchange. When guard cells take up water, they become turgid and the stomata open, allowing for the exchange of gases like carbon dioxide and oxygen. Conversely, when guard cells lose water, they become flaccid and the stomata close, preventing excessive water loss through transpiration. Therefore, guard cells play a crucial role in regulating the movement of gases and water in plants.

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  • 6. 

    This part of the plant is responsible for gas exchange. 

    • Roots

    • Trunk

    • Flower

    • Leaves

    Correct Answer
    A. Leaves
    Explanation
    Leaves are responsible for gas exchange in plants through tiny openings called stomata. Stomata allow for the exchange of gases, such as oxygen and carbon dioxide, with the surrounding environment. During photosynthesis, leaves take in carbon dioxide and release oxygen. This process is essential for the plant's survival as it provides the necessary oxygen for respiration and removes waste gases. Additionally, leaves also play a crucial role in transpiration, the process of water loss through stomata, which helps in regulating the plant's temperature and maintaining its hydration levels.

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  • 7. 

    Main task of stomata is to

    • Intake of carbon dioxide and the release of oxygen

    • Intake of carbon dioxide

    • Release of oxygen

    • Release of carbon dioxide

    Correct Answer
    A. Intake of carbon dioxide and the release of oxygen
    Explanation
    Stomata are small openings on the surface of plant leaves that allow for gas exchange. The main task of stomata is to facilitate the intake of carbon dioxide, which is essential for photosynthesis, and the release of oxygen, which is a byproduct of photosynthesis. This process is crucial for plants to produce their own food and release oxygen into the atmosphere.

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  • 8. 

    Water moves through the plant from the roots to the leaves and gets lost in the air as water vapor.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Water moves through the plant from the roots to the leaves due to a process called transpiration. Transpiration is the loss of water vapor from the plant's leaves and stems into the surrounding air. This occurs through tiny openings on the surface of leaves called stomata. The water absorbed by the roots is transported through the xylem vessels to the leaves, where it is then released into the air as water vapor. Therefore, the statement "Water moves through the plant from the roots to the leaves and gets lost in the air as water vapor" is true.

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  • 9. 

    Plants in deserts have only few stomata to reduce

    • Water intake

    • Water loss

    • Mineral content

    • Oxygen intake

    Correct Answer
    A. Water loss
    Explanation
    Plants in deserts have only a few stomata to reduce water loss. Stomata are small openings on the surface of leaves that allow for gas exchange, including the release of water vapor through transpiration. In desert environments where water is scarce, plants need to conserve as much water as possible. By having fewer stomata, plants can limit the amount of water that is lost through transpiration, helping them survive in arid conditions.

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  • 10. 

    The stomata is enclosed by how many guard cells: 

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 2
    Explanation
    The stomata is enclosed by two guard cells. Guard cells are specialized cells found in the epidermis of leaves and stems. They surround and control the opening and closing of the stomata, which are small pores on the surface of plants. When the guard cells are turgid (swollen with water), the stomata open, allowing for gas exchange and transpiration. Conversely, when the guard cells are flaccid, the stomata close to prevent excessive water loss. Therefore, the correct answer is 2.

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  • 11. 

    Which area of the plant accounts for 90% of water lost through transpiration?

    • Cuticle

    • Lenticles

    • Lentils

    • Stomata

    Correct Answer
    A. Stomata
    Explanation
    Stomata are tiny openings on the surface of plant leaves that allow for gas exchange and transpiration. They are responsible for the majority of water loss through transpiration because they regulate the release of water vapor from the plant. The cuticle is a waxy layer on the surface of leaves that helps to prevent water loss, so it does not account for a significant amount of water lost through transpiration. Lenticles are small pores on the surface of stems and branches that allow for gas exchange, but they are not as abundant as stomata and therefore do not account for as much water loss. Lentils, on the other hand, are legumes and have no relevance to water loss through transpiration.

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  • 12. 

    Water enters the roots through the process called OSMOSIS. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Osmosis is the process by which water molecules move from an area of lower solute concentration to an area of higher solute concentration through a semipermeable membrane. In plants, water is absorbed by the roots through osmosis, as the concentration of solutes in the soil is higher than in the plant's cells. Therefore, the statement that water enters the roots through osmosis is true.

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  • 13. 

    The guard cells are shaped like: 

    • Discs

    • Elliptical

    • Bean

    • Irregular

    Correct Answer
    A. Bean
    Explanation
    Guard cells are shaped like beans. This shape allows them to create openings called stomata on the surface of leaves. These stomata can open and close to regulate the exchange of gases, such as carbon dioxide and oxygen, between the plant and its environment. The bean shape of guard cells provides stability and flexibility, allowing them to change shape and control the size of the stomatal opening based on environmental conditions like light intensity, humidity, and carbon dioxide levels. This helps the plant to optimize photosynthesis and conserve water.

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  • 14. 

    The movement of water through the plant is called the TRANSPIRATION STREAM.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The movement of water through the plant is called the transpiration stream. This is a process where water is absorbed by the roots, transported through the xylem vessels, and then evaporates from the leaves through tiny pores called stomata. This continuous movement of water is essential for the plant's survival as it helps in nutrient uptake, maintaining cell turgidity, and cooling the plant through evaporation. Therefore, the statement "The movement of water through the plant is called the transpiration stream" is true.

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  • 15. 

    Starch is synthesized in chloroplasts.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Starch is indeed synthesized in chloroplasts. Chloroplasts are the organelles found in plant cells responsible for photosynthesis. During photosynthesis, plants convert sunlight into energy and store it in the form of starch. Starch serves as a long-term energy storage molecule in plants and is synthesized in the chloroplasts through a series of enzymatic reactions. Therefore, the statement "Starch is synthesized in chloroplasts" is true.

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  • 16. 

    The following are parts of the STOMATA EXCEPT for: 

    • Petiole

    • Chloroplast

    • Guard Cell

    • Epidermis Cell

    Correct Answer
    A. Petiole
    Explanation
    Stomata are small openings found on the surface of leaves and stems that allow for gas exchange. The petiole is the stalk that connects a leaf to the stem, and it does not contain stomata. Chloroplasts are responsible for photosynthesis and are found in the mesophyll cells of the leaf, not in the stomata. Guard cells are specialized cells that surround the stomata and control their opening and closing. The epidermis cells cover the outer surface of the leaf and can contain stomata. Therefore, the correct answer is Petiole, as it is not a part of the stomata.

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  • 17. 

    What do you call the process of water loss in plants?

    • Evaporation

    • Demoisturization

    • Water Dehydration

    • Transpiration

    Correct Answer
    A. Transpiration
    Explanation
    Transpiration is the correct answer because it refers to the process of water loss in plants. It specifically involves the movement of water from the roots, through the plant, and out through the leaves. This process is essential for plants as it helps to transport nutrients and minerals, cool the plant, and maintain turgidity. Evaporation is the process of water turning into vapor, but it does not specifically refer to water loss in plants. Demoisturization and water dehydration are not commonly used terms to describe the process of water loss in plants.

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  • 18. 

    Photosynthesis causes huge water losses in the plant accounting to 98%

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Photosynthesis does not cause huge water losses in the plant accounting for 98%. In fact, photosynthesis is a process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. While it is true that water is used during photosynthesis, the amount of water lost is relatively small compared to the overall water content of the plant. The majority of water loss in plants occurs through transpiration, where water is evaporated from the leaves. Therefore, the statement is false.

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  • 19. 

    Water evaporates only through the leaves. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Water does not only evaporate through the leaves. It can also evaporate from other surfaces such as the soil or bodies of water. Evaporation is a process by which water changes from a liquid to a gas and can occur from any surface where water is present.

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  • 20. 

    The following are major roles of the vacuoles found in the stomata's guard cells EXCEPT: 

    • Controls photosynthetic gas exchange

    •  stores compounds that may help to protect photosystems in the chloroplast from damage caused by excess light

    • Synthesizes starch

    Correct Answer
    A. Synthesizes starch
    Explanation
    The vacuoles found in the stomata's guard cells have various roles, including controlling photosynthetic gas exchange and storing compounds that protect photosystems in the chloroplast from excess light damage. However, they do not synthesize starch.

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  • 21. 

    The following are parts of the STOMATA CELL EXCEPT for: 

    • Sap Vacuole

    • Palisade Layer

    • Thick Inner Wall

    • Thin Outer Wall

    Correct Answer
    A. Palisade Layer
    Explanation
    Stomata cells are specialized cells found in the epidermis of leaves. They are responsible for regulating the exchange of gases, such as carbon dioxide and oxygen, between the plant and its environment. The sap vacuole is not a part of the stomata cell. The sap vacuole is a storage organelle found in plant cells that stores water, nutrients, and waste products. The palisade layer, thick inner wall, and thin outer wall are all components of the stomata cell. The palisade layer is a layer of elongated cells located below the epidermis, responsible for photosynthesis. The thick inner wall and thin outer wall help to maintain the structure and function of the stomata cell.

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  • 22. 

    The following are Transpiration areas of the plant EXCEPT for

    • Stomata

    • Roots

    • Cuticle

    • Lenticles

    Correct Answer
    A. Roots
    Explanation
    The roots of a plant do not participate in transpiration. Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves and stems. Stomata, which are small openings on the surface of leaves, allow for gas exchange and water vapor to escape. The cuticle is a waxy layer on the surface of leaves that helps reduce water loss. Lenticles are small openings on the stems and bark of woody plants that allow for gas exchange. However, roots are primarily responsible for water absorption and nutrient uptake from the soil, rather than transpiration.

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  • 23. 

    Guard cells flanking stomata control oxygen and carbon dioxide entering leaf by opening and closing

    • Veins

    • Leaf Pores

    • Stoma

    • Palisade

    Correct Answer
    A. Leaf Pores
    Explanation
    The correct answer is "Leaf Pores" because stomata are small openings found on the surface of leaves, which are surrounded by two specialized cells called guard cells. These guard cells can open and close the stomata to regulate the exchange of gases, such as oxygen and carbon dioxide, between the leaf and the surrounding environment. Therefore, the leaf pores, or stomata, are responsible for controlling the entry of oxygen and carbon dioxide into the leaf.

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  • 24. 

    The following are found in the GUARD CELL in the STOMATA EXCEPT: 

    • Epidermal Cells

    • Nucleus

    • Thick inner wall

    • Sap Vacuole

    Correct Answer
    A. Epidermal Cells
    Explanation
    Guard cells are specialized cells found in the epidermis of plant leaves and stems. They surround and control the opening and closing of the stomata, which are small pores on the surface of the leaf that allow for gas exchange. The nucleus is present in all living cells, including guard cells. The thick inner wall is a characteristic feature of guard cells, as it helps maintain the shape and function of the stomata. The sap vacuole is also found in guard cells, storing water and ions that regulate the opening and closing of the stomata. Therefore, the only option that is not found in guard cells is epidermal cells, as guard cells are a specific type of epidermal cell.

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  • 25. 

    The guard cells regulate the opening and closing of the stomata. Specifically, this part inside the guard cell specifically provides this functionality

    • Chloroplast

    • Sap Vacuole

    • Nucleus

    • Epidermal Walls

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus is responsible for regulating the opening and closing of the stomata through the guard cells. It controls the movement of water and ions in and out of the guard cells, which ultimately determines the opening and closing of the stomata. The nucleus contains the genetic material and controls the cell's activities, including the regulation of stomatal movements.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 13, 2019
    Quiz Created by
    Eldee Balolong
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