Roots, Stems And Leaves Trivia Quiz Questions And Answers

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Roots, Stems And Leaves Trivia Quiz Questions And Answers - Quiz

Are you ready for this roots, stems, and leaves trivia quiz? The questions and answers here are not just to test your knowledge, but these will also increase your knowledge. The quiz is about botany, and hence, you will be able to understand more about the scientific study of plants. Try to answer as many questions correctly as you can. We wish you all the best. Enjoy your precious time!


Questions and Answers
  • 1. 

    The stem and leaf are collectively referred to as the

    Explanation
    The stem and leaf are collectively referred to as the shoot.

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  • 2. 

    Name a principle function of the stem.

    Explanation
    The stem of a plant serves multiple functions, including support and conduction. It provides structural support to the plant, allowing it to stand upright and resist the forces of gravity and wind. Additionally, the stem contains vascular tissues that transport water, nutrients, and sugars throughout the plant, facilitating conduction. Therefore, support and conduction are both important functions of the stem in plants.

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  • 3. 

    In most vascular plants, what is the principle organ of photosynthesis?

    Explanation
    The leaf is the primary organ of photosynthesis in most vascular plants. It contains specialized cells called chloroplasts, which contain chlorophyll, the pigment responsible for capturing sunlight. Through the process of photosynthesis, the leaf converts sunlight, carbon dioxide, and water into glucose and oxygen. This glucose is then used as a source of energy for the plant, while oxygen is released into the atmosphere. Therefore, the leaf plays a crucial role in the production of food and oxygen for the plant.

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  • 4. 

    The outermost primary permanent tissue in the root.

    Explanation
    The outermost primary permanent tissue in the root is called the epidermis. The epidermis is a single layer of cells that covers the surface of the root and serves as a protective barrier. It helps to prevent water loss and also aids in the absorption of water and minerals from the soil. Additionally, the epidermis contains root hairs, which increase the surface area of the root and enhance its ability to absorb nutrients.

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  • 5. 

    Growth that occurs within the lateral meristems.

    Explanation
    Secondary growth refers to the increase in thickness or girth of a plant stem or root. It occurs within the lateral meristems, which are responsible for the production of secondary tissues such as secondary xylem and phloem. Secondary growth is typically observed in woody plants and is responsible for the development of bark, as well as the increase in stem diameter over time. This type of growth allows the plant to provide support, transport water and nutrients, and store resources.

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  • 6. 

    A root that arises from another, older root; also called a branch root, or secondary root, if the older root is a primary root.

    Explanation
    A lateral root is a type of root that emerges from another, older root. It is also known as a branch root or secondary root when the older root is a primary root. This means that the lateral root is a secondary structure that develops from the primary root, branching out to provide additional support and absorption capabilities for the plant.

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  • 7. 

    The protective tissues formed outside by the cork cambium.

    Explanation
    Cork is the correct answer because it is the protective tissue formed by the cork cambium. The cork cambium is a layer of cells in the outer bark of woody plants that produces cork cells. These cork cells are dead at maturity and have a waxy substance called suberin in their walls, which makes them impermeable to water and gases. Cork acts as a protective barrier, preventing water loss, protecting against mechanical damage, and providing insulation to the underlying tissues.

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  • 8. 

    The meristem that produces the periderm/cork

    Explanation
    The cork cambium is the meristem responsible for producing the periderm or cork in plants. The periderm is the outer protective layer that replaces the epidermis in older stems and roots. The cork cambium is a lateral meristem that produces cork cells towards the outside and phelloderm cells towards the inside. As the cork cells mature, they become impregnated with suberin, a waxy substance that makes them impermeable to water and gases. This layer of cork provides protection against mechanical damage, water loss, and pathogens, making it an essential part of the plant's defense system.

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  • 9. 

    Consists of a hollow cylinder one cell thick and makes up 90% of the secondary tissue produced.

    Explanation
    The correct answer is vascular cambium because it is the tissue that consists of a hollow cylinder one cell thick and makes up 90% of the secondary tissue produced. The vascular cambium is responsible for the growth in girth of woody plants, producing secondary xylem (wood) towards the inside and secondary phloem (bark) towards the outside. It is a meristematic tissue that actively divides to produce new cells, contributing to the increase in diameter of the plant stem.

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  • 10. 

    Produces secondary xylem to the inside of the vascular cylinder.

    Explanation
    The correct answer is cambium because cambium is a type of plant tissue that is responsible for producing secondary xylem. Secondary xylem is the tissue that forms inside the vascular cylinder of a plant and is responsible for transporting water and nutrients. The cambium layer is located between the primary xylem and phloem and is responsible for the growth in girth of the plant. It actively divides and produces new cells, which differentiate into secondary xylem cells, contributing to the growth and development of the plant.

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  • 11. 

    How many pounds of pressure do the xylem cells exert?

    Explanation
    The xylem cells in plants exert a pressure known as root pressure, which helps in the movement of water and nutrients from the roots to the rest of the plant. This pressure can be measured in pounds, and in this case, it is 150 lbs or 150 pounds.

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  • 12. 

    Name one of the two root systems associated with monocots or eudicots in vascular plants.

    Explanation
    Monocots and eudicots are two major groups of vascular plants. Monocots have fibrous root systems, which consist of numerous thin roots that branch out in all directions. This type of root system is efficient in absorbing water and nutrients from the soil. On the other hand, eudicots have taproot systems, which consist of a main root (taproot) that grows vertically into the ground and smaller lateral roots that branch off from it. The taproot system provides stability to the plant and allows it to access deeper water sources.

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  • 13. 

    The tissue from which lateral or branch roots originate

    Explanation
    The pericycle is the tissue from which lateral or branch roots originate. It is a layer of cells located just inside the endodermis in the root. The pericycle is responsible for initiating the formation of lateral roots and plays a crucial role in root development and growth. It contains cells that have the ability to divide and differentiate into new root tissues, allowing for the branching and expansion of the root system.

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  • 14. 

    Responsible for all primary or lateral growth in the tips of the roots and shoots in vascular plants.

    Explanation
    The apical meristem is responsible for all primary or lateral growth in the tips of the roots and shoots in vascular plants. It is a region of actively dividing cells that allows for the elongation of the plant body. The apical meristem produces new cells that differentiate into various tissues, allowing for the plant to grow in length and width. This growth is essential for the development and maintenance of the plant's structure and allows for the formation of new leaves, stems, and roots.

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  • 15. 

    Root hiars form in which growth region of the root?

    Explanation
    Root hairs form in the zone of maturation. The zone of maturation is the region of the root where cells differentiate and mature into specialized cell types. In this region, root hairs develop as extensions of the epidermal cells. Root hairs play a crucial role in increasing the surface area of the root, allowing for better absorption of water and nutrients from the soil.

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  • 16. 

    Name one of the three primary meristems which are precursors of the tissue systems in the root.

    Explanation
    The three primary meristems that are precursors of the tissue systems in the root are protoderm, procambium, and ground meristem. The protoderm gives rise to the epidermis, which is the outermost layer of cells in the root. The procambium differentiates into the vascular tissue, including the xylem and phloem, which transport water, nutrients, and sugars throughout the plant. The ground meristem gives rise to the ground tissue, which includes parenchyma, collenchyma, and sclerenchyma cells that provide structural support and store nutrients in the root.

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  • 17. 

    The phylum that includes the angiosperms

    Explanation
    Anthophyta is the correct answer because it is the phylum that includes the angiosperms. Angiosperms are flowering plants that produce seeds enclosed in a fruit. They are characterized by having flowers, double fertilization, and the production of fruits. Anthophyta is the largest phylum in the plant kingdom and includes a wide variety of plants, ranging from small herbs to large trees. This phylum is important as angiosperms are the most diverse and dominant group of plants on Earth, playing a crucial role in ecosystems and providing numerous benefits to humans.

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  • 18. 

    Class of angiosperms which is the largest with at least 200,000 species.

    Explanation
    Eudicots are a class of angiosperms that have the largest number of species, with at least 200,000 known species. This group includes a wide range of flowering plants, such as roses, sunflowers, and beans. Eudicots are characterized by having two seed leaves (cotyledons), net-like veins in their leaves, and floral parts in multiples of four or five. They are diverse in their habitats and can be found in various ecosystems around the world.

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  • 19. 

    Class of angiosperms which is the smaller class that contains 90,000 species.

    Explanation
    Monocots are a class of angiosperms that is smaller in size compared to other classes and contains approximately 90,000 species. They are characterized by having a single cotyledon (embryonic leaf), parallel veined leaves, and flower parts in multiples of three. Some examples of monocots include grasses, lilies, orchids, and palms.

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  • 20. 

    A fruit is a mature _________.

    Explanation
    A fruit is a mature ovary. In plants, the ovary is the part of the flower that contains the developing seeds. After fertilization, the ovary undergoes changes and develops into a fruit. The fruit protects the seeds and aids in their dispersal. It can have various forms and structures, such as berries, drupes, or pods, depending on the type of plant. So, the correct answer is "ovary" as it accurately describes the reproductive structure that develops into a fruit.

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  • 21. 

    What is the name given to the ovary wall? This structure thickens and becomes differentiated into distinct layers.

    Explanation
    The correct answer is pericarp. The pericarp is the name given to the ovary wall. During the development of the ovary, the pericarp thickens and becomes differentiated into distinct layers. It surrounds and protects the seeds within the ovary.

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  • 22. 

    What is the name of the modified stem from which all flower parts develop?

    Explanation
    The receptacle is the modified stem from which all flower parts develop. It is located at the base of the flower and provides support for the petals, sepals, stamens, and pistils. The receptacle also plays a role in the formation of fruits, as it is where the ovary is located and where the seeds develop. Overall, the receptacle is an essential structure in the development and reproduction of flowering plants.

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  • 23. 

    The two lateral meristems are the ____ cambium and the _____ cambium. (separate with comma)

    Explanation
    The two lateral meristems are the cork cambium, which produces cork cells for the outer bark, and the vascular cambium, which produces new vascular tissue for growth. The cork cambium is responsible for the formation of the protective outer layer of the stem, while the vascular cambium is responsible for the production of secondary xylem and phloem, allowing for the increase in girth of the stem.

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  • 24. 

    A simple term for secondary xylem is

    Explanation
    The correct answer is "wood" because secondary xylem refers to the type of tissue that is produced by the vascular cambium in plants, which includes the formation of wood. Wood is a hard, fibrous material that provides structural support to the plant and is composed mainly of secondary xylem cells. Therefore, wood is a simple term that accurately describes secondary xylem.

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  • 25. 

    Outer protective tissue that replaces epidermis when it is destroyed during secondary growth; includes cork, cork cambium, and phelloderm.

    Explanation
    Periderm is the outer protective tissue that forms in plants when the epidermis is damaged or destroyed during secondary growth. It consists of three layers: cork, cork cambium, and phelloderm. The cork layer provides protection against external factors, while the cork cambium produces new cork cells. The phelloderm layer is responsible for producing new cells towards the inside of the plant. Together, these layers make up the periderm, which helps to maintain the integrity and function of the plant's stem or root.

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  • 26. 

    Primary meristematic tissue that gives rise to epidermal tissue.

    Explanation
    The primary meristematic tissue that gives rise to the epidermal tissue is called protoderm. This tissue is responsible for the formation of the outermost layer of cells in plants, which serves as a protective covering. As the plant grows, the protoderm differentiates into various types of epidermal cells, such as stomatal cells, trichomes, and root hairs. These cells play important roles in regulating gas exchange, reducing water loss, and absorbing nutrients. The protoderm is essential for the development and function of the plant's outer layer, making it the correct answer.

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  • 27. 

    Primary meristematic tissue that gives rise to vascular tissue.

    Explanation
    Procambium is the primary meristematic tissue responsible for the formation of vascular tissue. Meristematic tissues are actively dividing tissues that give rise to different types of plant tissues. The procambium specifically gives rise to the primary xylem and phloem, which are the two types of vascular tissues in plants. The primary xylem is responsible for water and mineral transport, while the primary phloem is responsible for the transport of organic nutrients. Therefore, procambium is the correct answer for the primary meristematic tissue that gives rise to vascular tissue.

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  • 28. 

    The meristem at the tip of the root or shoot in a vascular plant.

    Explanation
    The apical meristem is the meristem located at the tip of the root or shoot in a vascular plant. Meristems are regions of actively dividing cells, and the apical meristem is responsible for the growth in length of the plant. It produces new cells that differentiate into various tissues, allowing the plant to extend its roots downward and its shoots upward. The apical meristem is essential for primary growth and is responsible for the development of new leaves, stems, and roots.

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  • 29. 

    The primary meristem that gives rise to the ground tissue.

    Explanation
    The ground meristem is the primary meristem responsible for giving rise to the ground tissue. Ground tissue is a type of plant tissue that makes up the majority of the plant body and is involved in various functions such as storage, support, and photosynthesis. The ground meristem undergoes cell division and differentiation to produce different types of ground tissue cells, including parenchyma, collenchyma, and sclerenchyma cells. These cells then form the ground tissue system, which is essential for the overall structure and function of the plant.

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  • 30. 

    The part of a stem where one or more leaves are attached.

    Explanation
    A node is the part of a stem where one or more leaves are attached. It is the point on the stem where the leaf is connected. Nodes are important because they serve as the site for leaf attachment and branching. They are also the location where buds can develop into new shoots or flowers. Nodes play a crucial role in the growth and development of plants, as they determine the arrangement and pattern of leaves along the stem.

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  • 31. 

    The part of the vascular bundle extending from the base of the leaf to its connection with a vascular bundle in the stem.

    Explanation
    The correct answer is "leaf trace." The leaf trace refers to the part of the vascular bundle that extends from the base of the leaf to its connection with a vascular bundle in the stem. It is responsible for transporting water, nutrients, and sugars between the leaf and the stem.

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  • 32. 

    The region of the stem between two successive nodes.

    Explanation
    Internode refers to the region of the stem between two successive nodes. Nodes are the points on a stem where leaves, branches, or flowers are attached. The internode acts as a supportive structure, providing length and flexibility to the stem. It allows for the growth and expansion of the plant, as well as the transportation of water, nutrients, and sugars between different parts of the plant. Therefore, internodes play a crucial role in the overall development and functioning of a plant.

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  • 33. 

    The wide gap, or region of ground tissue, found in the vascular cylinder where the leaf trace diverges toward the leaf.

    Explanation
    The leaf trace gap refers to the wide gap or region of ground tissue in the vascular cylinder where the leaf trace diverges towards the leaf. This gap allows for the passage of vascular tissue and provides a pathway for nutrients and water to reach the leaf. It also helps to support the leaf and maintain its structure.

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  • 34. 

    An undivided leaf as opposed to a compound leaf.

    Explanation
    A simple leaf refers to a leaf that is undivided, meaning it is not divided into multiple leaflets. It is a single, continuous structure that attaches directly to the stem or branch. In contrast, a compound leaf is composed of multiple leaflets that are attached to a common stalk or petiole. Therefore, the given answer "simple leaf" correctly describes an undivided leaf as opposed to a compound leaf.

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  • 35. 

    A leaf whose blade is divided into several distinct leaflets.

    Explanation
    The given correct answer is pinnate. A pinnate leaf is one that is divided into several distinct leaflets arranged along a central axis or midrib. The leaflets are attached to the midrib, giving the appearance of a feather or a comb. This type of leaf arrangement is commonly found in plants such as roses, ash trees, and ferns.

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  • 36. 

    Vascular bundles that contain the two vascular tissues, xylem and phloem.

    Explanation
    The term "veins" refers to vascular bundles that contain both xylem and phloem tissues. These vascular bundles are responsible for transporting water, nutrients, and sugars throughout the plant. Xylem tissue carries water and minerals upward from the roots to the leaves, while phloem tissue transports sugars and other organic molecules from the leaves to other parts of the plant. Veins play a crucial role in maintaining the plant's overall health and growth by facilitating the movement of essential substances.

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  • 37. 

    A leaf tissue composed of columnar chloroplast-bearing cells.

    Explanation
    The correct answer is palisade parenchyma. This is because palisade parenchyma is a type of leaf tissue that is made up of columnar cells that contain chloroplasts. These cells are responsible for carrying out photosynthesis in the leaf. They are located near the upper surface of the leaf and are arranged in a palisade-like fashion, which allows for maximum light absorption.

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  • 38. 

    A leaf tissue composed of loosely arranged, chloroplast-bearing cells.

    Explanation
    Spongy parenchyma is a type of leaf tissue that is characterized by loosely arranged cells that contain chloroplasts. This tissue is found in the mesophyll layer of leaves and is responsible for gas exchange, allowing for the diffusion of gases such as oxygen and carbon dioxide. The loosely arranged cells create air spaces, which facilitate the movement of gases throughout the leaf. This adaptation allows for efficient photosynthesis by maximizing the surface area available for gas exchange and ensuring that chloroplasts receive an adequate supply of carbon dioxide.

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  • 39. 

    The palisade and spongy parenchyma.

    Explanation
    The mesophyll refers to the specialized tissue found in the leaves of plants. It is responsible for photosynthesis, as it contains the chloroplasts needed for this process. The mesophyll is composed of two types of cells: the palisade parenchyma and the spongy parenchyma. The palisade parenchyma is located on the upper side of the leaf and consists of tightly packed, elongated cells. The spongy parenchyma, on the other hand, is located beneath the palisade parenchyma and consists of loosely arranged, irregularly shaped cells. Together, these two types of cells make up the mesophyll and play a crucial role in the process of photosynthesis.

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  • 40. 

    A minute opening bordered by guard cells in the epidermis of leaves and stems through which gases pass.

    Explanation
    Stomata are minute openings surrounded by guard cells in the epidermis of leaves and stems. These openings allow for the exchange of gases, such as carbon dioxide and oxygen, between the plant and its environment. Stomata play a crucial role in photosynthesis, as they allow carbon dioxide to enter the plant for use in the production of glucose, while also enabling the release of oxygen as a byproduct. The opening and closing of stomata is regulated by various factors, including light intensity, humidity, and carbon dioxide levels, to ensure optimal gas exchange and prevent excessive water loss.

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  • 41. 

    A scar left on a twig when a leaf falls, formed by the protective layer on the surface of the stem and the leaf is abscised.

    Explanation
    A leaf scar is a mark or indentation left on a twig when a leaf falls off. It is formed by the separation of the leaf from the stem, which is known as abscission. The protective layer on the surface of the stem and the leaf is also involved in the formation of the leaf scar. This scar serves as a reminder of the previous attachment point of the leaf and can be used to identify the species of the tree or plant.

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  • 42. 

    The primary root of a plant formed in direct continuation with the root tip or radicle of the embryo; forms a stout, tapering main root from which arise smaller, lateral roots.

    Explanation
    A taproot is the primary root of a plant that grows directly from the root tip or radicle of the embryo. It is a thick and tapering main root that gives rise to smaller lateral roots. This type of root system is common in dicotyledonous plants and provides stability and support to the plant. The taproot system allows the plant to access nutrients and water from deeper soil layers, making it advantageous in dry or nutrient-poor environments.

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  • 43. 

    A structure at the base of the embryo in many vascular plants. In some plants, it pushes the embryo into nutrient-rich tissue of the female gametophyte.

    Explanation
    The suspensor is a structure found at the base of the embryo in many vascular plants. It plays a crucial role in the development of the embryo by pushing it into the nutrient-rich tissue of the female gametophyte. This allows the embryo to receive the necessary nutrients for its growth and development. The suspensor is an important part of the reproductive process in plants and ensures the successful development of the embryo.

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  • 44. 

    The first root of the plant, developing in continuation of the root tip or radicle of the embryo; the taproot.

    Explanation
    The correct answer is "primary root" because it refers to the first root that develops from the root tip or radicle of the plant embryo. This root is also known as the taproot and serves as the main root of the plant, providing support and absorbing nutrients from the soil.

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  • 45. 

    A tissue derived from the apical meristem; of three kinds protoderm, procambium, and ground meristem.

    Explanation
    The answer is "primary meristem, primary meristematic tissue." This is because the given description mentions three kinds of tissues derived from the apical meristem: protoderm, procambium, and ground meristem. These three tissues are examples of primary meristem, which is the initial tissue that gives rise to all other tissues in the plant. Therefore, the correct answer is primary meristem or primary meristematic tissue.

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  • 46. 

    The stalk of the ovule.

    Explanation
    The funiculus refers to the stalk of the ovule, which connects the ovule to the placenta within the ovary. It acts as a conduit, providing nutrients and water to the developing embryo within the ovule. The funiculus also serves as a pathway for the transfer of genetic material from the parent plant to the offspring. Therefore, the funiculus is the correct answer as it accurately describes the structure mentioned in the question.

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  • 47. 

    A tissue formed inwardly by the cork cambium, opposite the cork; inner part of the periderm.

    Explanation
    The phelloderm is a tissue that is formed inwardly by the cork cambium, opposite the cork. It is located in the inner part of the periderm. The periderm is the protective tissue that replaces the epidermis in older stems and roots. The phelloderm plays a role in the secondary growth of woody plants by contributing to the formation of the periderm.

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  • 48. 

    Embryonic tissue regions, primarily concerned with formation of new cells.

    Explanation
    Meristem is the correct answer because it refers to embryonic tissue regions that are responsible for the formation of new cells. These regions are found in plants and are actively involved in growth and development. Meristems are responsible for the production of new cells, which then differentiate into various specialized cell types, allowing for the growth and development of different plant tissues and organs.

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  • 49. 

    Pairs of specialized epidermal cells surrounding a pore, or stoma.

    Explanation
    Guard cells are specialized epidermal cells that surround a pore, known as a stoma. These cells play a crucial role in regulating the opening and closing of the stomata, which are tiny openings on the surface of plant leaves. The guard cells control the exchange of gases, such as oxygen and carbon dioxide, as well as the loss of water vapor through transpiration. When the guard cells are turgid, the stomata open, allowing for gas exchange and transpiration. Conversely, when the guard cells become flaccid, the stomata close, preventing excessive water loss.

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  • 50. 

    A developmental process by which relatively unspecialized cell undergoes a progressive change to a more specialized cell; the specialization of cells and tissues for particular functions during development.

    Explanation
    This statement describes the process of cell differentiation, which is the transformation of unspecialized cells into specialized cells. During development, cells and tissues undergo this process to acquire specific functions.

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