AP Ch 37 Outline Quiz

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  • 1/9 Questions

    Which element is NOT one of the three most common ones in a plant?

    • Oxygen
    • Sulfur
    • Carbon
    • Hydrogen
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About This Quiz


Let’s take another look at plants in this AP Ch 37 Outline Quiz, shall we? In this one we’ll be focusing primarily on the topic of Plant Nutrients, asking you a host of questions regarding trees, water, the Casparian strip, the plasma membrane, epiphytes and much more! How well will you do?

AP Ch 37 Outline Quiz - Quiz

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  • 2. 

    A stomate allows carbon dioxide into the leaf and water out of the leaf.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    Stomates are small openings found on the surface of leaves that regulate the exchange of gases and water vapor. They allow carbon dioxide to enter the leaf for photosynthesis, which is essential for the plant's growth. Additionally, stomates also facilitate the release of excess water vapor through transpiration, preventing the leaf from becoming waterlogged. Therefore, the statement that stomates allow carbon dioxide into the leaf and water out of the leaf is true.

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  • 3. 

    An epiphyte is a plant that

    • Is not able to carry out photosynthesis.

    • Does not have roots but absorbs nutrients from the air.

    • Has a relationship with mycorrhizal fungi on its roots.

    • Has a relationship with nitrogen-fixing bacteria on its roots.

    Correct Answer
    A. Does not have roots but absorbs nutrients from the air.
    Explanation
    An epiphyte is a plant that does not have roots but absorbs nutrients from the air. Epiphytes are able to obtain nutrients and water from the atmosphere through specialized structures such as trichomes or scales on their leaves. They do not rely on roots to extract nutrients from the soil like other plants. Instead, they attach themselves to other plants or structures for support, using them as a substrate. This adaptation allows epiphytes to thrive in environments where soil conditions may be unfavorable or limited, such as in tree canopies or on rocks.

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  • 4. 

    Which of these is most likely to be produced by the plant in usable amounts?

    • Minerals

    • Water

    • Oxygen

    • Carbon dioxide

    Correct Answer
    A. Oxygen
    Explanation
    Plants are known to produce oxygen through the process of photosynthesis. During photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose and release oxygen as a byproduct. Oxygen is essential for various biological processes and is used by both plants and animals for respiration. Therefore, it is most likely that the plant will produce oxygen in usable amounts.

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  • 5. 

    The plasma membrane of plant cells

    • Actively transports water into the cell.

    • Allows the entry of all minerals equally.

    • Actively transports some mineral ions into the cell.

    • Concentrates minerals up to 100 times as much as in the soil.

    Correct Answer
    A. Actively transports some mineral ions into the cell.
    Explanation
    The plasma membrane of plant cells actively transports some mineral ions into the cell. This is because plants need certain minerals, such as potassium and magnesium, for various cellular processes and growth. The plasma membrane contains specific transport proteins that actively move these mineral ions from areas of lower concentration outside the cell to areas of higher concentration inside the cell. This selective transport allows plants to regulate the uptake of minerals and maintain proper cellular function.

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  • 6. 

    Which force pushes water into the xylem as osmosis moves water into the root?

    • Water stress

    • Atmospheric pressure

    • Root pressure

    • Guttation

    • Transpiration

    Correct Answer
    A. Root pressure
    Explanation
    Root pressure is the force that pushes water into the xylem as osmosis moves water into the root. This pressure is generated by the active transport of minerals into the root cells, which creates a higher solute concentration in the root compared to the surrounding soil. This causes water to move into the root through osmosis, creating a positive pressure that pushes the water up the xylem vessels. Root pressure is especially important in young plants or during periods of high water availability.

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  • 7. 

    Which term describes forcing water out of the plant at the edges of its leaves?

    • Which term describes forcing water out of the plant at the edges of its leaves?

    • Atmospheric pressure

    • Root pressure

    • Guttation

    • Transpiration

    Correct Answer
    A. Guttation
    Explanation
    Guttation is the term that describes the process of forcing water out of the plant at the edges of its leaves. This occurs when excess water pressure builds up in the plant, causing water to be released through specialized structures called hydathodes. Guttation typically happens during periods of high humidity and can be observed as droplets of water forming on the edges of leaves. It is different from transpiration, which is the process of water loss from the plant through the stomata on the leaf surface. Root pressure and atmospheric pressure are not directly related to the specific process described.

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  • 8. 

    Which statement is NOT true about stomates?

    • As guard cells become turgid, the stomates open.

    • There are two guard cells around each stomate.

    • Guard cells take up potassium ions and water enters the guard cells.

    • Guard cells surrounding stomates lack chloroplasts that other epidermal cells contain.

    • Stomates open and close on a daily basis, even if kept in the dark, on a circadian rhythm.

    Correct Answer
    A. Guard cells surrounding stomates lack chloroplasts that other epidermal cells contain.
    Explanation
    Guard cells surrounding stomates lack chloroplasts that other epidermal cells contain. Stomates are small openings on the surface of leaves that allow for gas exchange. Guard cells, which surround the stomates, control the opening and closing of the stomates. When the guard cells become turgid, they swell and the stomates open, allowing for the exchange of gases. However, unlike other epidermal cells, guard cells lack chloroplasts, which are responsible for photosynthesis. This is because the primary function of guard cells is to regulate gas exchange, rather than produce energy through photosynthesis.

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  • 9. 

    The main component of phloem is

    • Hormones.

    • Amino acids.

    • Sucrose.

    • Glucose.

    • Lipids.

    Correct Answer
    A. Sucrose.
    Explanation
    Sucrose is the correct answer because it is the main component of phloem. Phloem is responsible for transporting sugars, mainly in the form of sucrose, from the leaves to other parts of the plant. This transportation allows the plant to distribute nutrients and energy to where it is needed for growth and development. Hormones, amino acids, glucose, and lipids are not the main components of phloem and do not play a primary role in its function.

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  • Jul 15, 2024
    Quiz Edited by
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  • Apr 14, 2009
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    Rnreda
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