STEMs And Leaves Quiz

Reviewed by Stephen Reinbold
Stephen Reinbold, PhD (Biological Sciences) |
Biology
Review Board Member
Stephen Reinbold has a PhD in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.
, PhD (Biological Sciences)
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Quizzes Created: 4 | Total Attempts: 25,205
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Stems And Leaves Quiz - Quiz

Welcome to the Stems and Leaves Quiz! This interactive quiz is designed for students, educators, and plant enthusiasts to explore and enhance their understanding of plant anatomy, specifically focusing on stems and leaves. Stems and leaves play crucial roles in the life of a plant, including supporting structures, conducting water and nutrients, and performing photosynthesis.

With each question tailored to not only test your knowledge but also provide informative feedback, you’ll be able to learn details and trivia that enhance your understanding of the botanical world. Perfect for quick learning or a thorough review session, the Stems and Leaves Quiz Read moreis your go-to resource for mastering the fascinating study of plant structures. Start the quiz today and discover the intricate world of stems and leaves!


Stems and Leaves Questions and Answers

  • 1. 

    The outermost layer of a root, stem, or leaf is called a (an) ________.

    • A.

      Adaptation

    • B.

      Cortex

    • C.

      Cambium

    • D.

      Epidermis

    Correct Answer
    D. Epidermis
    Explanation
    The outermost layer of a root, stem, or leaf is called the epidermis. This layer acts as a protective barrier, preventing the loss of water and nutrients, as well as protecting the plant from external threats such as pathogens and physical damage. The epidermis also contains specialized cells, such as stomata, which regulate gas exchange and transpiration. Overall, the epidermis plays a crucial role in maintaining the health and functioning of the plant.

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  • 2. 

    Which is NOT a function of stems?

    • A.

      Support

    • B.

      Transpiration

    • C.

      Food storage

    • D.

      Water absorption

    Correct Answer
    D. Water absorption
    Explanation
    Water absorption is not a function of stems. Stems primarily have the function of supporting the plant, providing structural support to the leaves, flowers, and fruits. They also play a role in transporting water and nutrients from the roots to the rest of the plant. Stems can also store food reserves, such as sugars and starches, to be used by the plant when needed. However, water absorption is mainly carried out by the roots, which have specialized structures like root hairs to absorb water from the soil.

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  • 3. 

    Food flows down from the leaves of a plant through the _____________.

    • A.

      Phloem

    Correct Answer
    A. Phloem
    Explanation
    The phloem is responsible for transporting food, specifically sugars, from the leaves of a plant to other parts of the plant. This transportation occurs through a process called translocation, where sugars are moved from areas of high concentration to areas of low concentration. The phloem consists of specialized cells called sieve tube elements, which are connected end-to-end to form long tubes. These tubes allow for the efficient movement of sugars throughout the plant, ensuring that all parts receive the necessary nutrients for growth and development.

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  • 4. 

    The leaf in this picture is an example of what type of leaf?

    • A.

      Simple

    • B.

      Complex

    • C.

      Compound

    • D.

      Bunches

    Correct Answer
    C. Compound
    Explanation
    The leaf in the picture is an example of a compound leaf. Compound leaves are composed of multiple leaflets attached to a common stalk, known as the petiole. Each leaflet in a compound leaf has its own individual blade, making it different from simple leaves which have a single blade. This can be observed in the picture where multiple leaflets are connected to a central stalk.

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  • 5. 

    Water and minerals flow up a plant through the ___________________.

    • A.

      Xylem

    • B.

      Cambium

    • C.

      Cortex

    • D.

      Phloem

    Correct Answer
    A. Xylem
    Explanation
    Water and minerals flow up a plant through the xylem. The xylem is a specialized tissue in plants that transports water and nutrients from the roots to the rest of the plant. It consists of long, hollow cells that form a network of tubes, allowing water and minerals to move upwards against gravity. The xylem also provides structural support to the plant.

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  • 6. 

    Which part holds the transportation system for plants?

    • A.

      Stems

    • B.

      Roots

    • C.

      Leaves

    • D.

      Xylem

    Correct Answer
    A. Stems
    Explanation
    Stems hold the transportation system for plants. They contain the xylem, which is responsible for transporting water and nutrients from the roots to the leaves. Additionally, the stems also contain the phloem, which transports sugars and other organic compounds from the leaves to other parts of the plant. Therefore, the stems play a crucial role in the overall transportation system of plants.

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  • 7. 

    The epidermis secretes a waxy coating called the __________________, which keeps water inside the leaf.

    • A.

      Cortex

    • B.

      Cambium

    • C.

      Epidermis

    • D.

      Cuticle

    Correct Answer
    D. Cuticle
    Explanation
    The correct answer is "cuticle" because the cuticle is a waxy coating secreted by the epidermis of a leaf. This cuticle helps to prevent water loss by creating a barrier that keeps water inside the leaf and prevents evaporation.

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  • 8. 

    Besides sunlight, chloroplasts need three things to make food. What are these three things?

    • A.

      Water, minerals, carbon dioxide

    • B.

      Water, chlorophyll, soil

    • C.

      Oil, minerals, oxygen

    • D.

      Water, minerals, oxygen

    Correct Answer
    A. Water, minerals, carbon dioxide
    Explanation
    Chloroplasts, the organelles responsible for photosynthesis, require three things to make food: water, minerals, and carbon dioxide. Water is essential for the process of photosynthesis as it provides the electrons needed for the light reactions. Minerals, such as nitrogen and phosphorus, are necessary for the synthesis of molecules like ATP and NADPH, which are used in the Calvin cycle. Lastly, carbon dioxide is the source of carbon atoms that are incorporated into glucose during the Calvin cycle.

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  • 9. 

    Air comes through tiny pores in the bottom of the leaves called ________________.

    • A.

      Stomata

    Correct Answer
    A. Stomata
    Explanation
    Air enters the leaves through small openings called stomata, which are located on the underside of the leaves. These stomata allow for gas exchange, enabling the plant to take in carbon dioxide for photosynthesis and release oxygen and water vapor.

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  • 10. 

    Plant stems support the ________________ and _____________________.

    • A.

      Branches

    • B.

      Roots

    • C.

      Blossoms

    • D.

      Leaves and flowers

    Correct Answer
    D. Leaves and flowers
    Explanation
    Plant stems support the leaves and flowers. Stems play a crucial role in providing structural support to the plant, allowing leaves and flowers to be elevated and exposed to sunlight for photosynthesis. Stems also transport water, nutrients, and sugars between the roots and leaves, ensuring the proper functioning and growth of the plant. Therefore, the correct answer is "leaves and flowers."

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  • 11. 

    Different leaf shapes have different purposes. What is the purpose for broad, flat green surfaces?

    • A.

      Reduce water loss

    • B.

      Trapping insects

    • C.

      Keep predators away

    • D.

      Collecting sunlight

    Correct Answer
    D. Collecting sunlight
    Explanation
    Broad, flat green surfaces on leaves are adapted for collecting sunlight. The large surface area allows for maximum exposure to sunlight, which is essential for photosynthesis. Sunlight provides the energy needed for plants to convert carbon dioxide and water into glucose and oxygen. Therefore, the purpose of broad, flat green surfaces is to maximize the absorption of sunlight and facilitate the process of photosynthesis.

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Stephen Reinbold |PhD (Biological Sciences) |
Biology
Stephen Reinbold has a PhD in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.

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  • Current Version
  • Apr 19, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Stephen Reinbold
  • Nov 02, 2007
    Quiz Created by
    Njacobson
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