CH 5: Transpiration
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Questions and Answers

Which of the following is not a function of root systems in plants?

  • Photosynthesis (correct)
  • Anchorage
  • Nutrient Uptake
  • Reproduction
  • From which part of a plant embryo does the root system originate?

  • Radicle (correct)
  • Cotyledon
  • Plumule
  • Hypocotyl
  • What type of root system is common in dicotyledons?

  • Fibrous root system
  • Adventitious root system
  • Tap root system (correct)
  • Aerial root system
  • What is the main role of root systems in plants?

    <p>Nutrient uptake</p> Signup and view all the answers

    Which type of root system is not mentioned in the text?

    <p>Tuberous root system</p> Signup and view all the answers

    What is the main function of lateral roots?

    <p>Nutrient uptake</p> Signup and view all the answers

    Which of the following is not a function of root systems in plants related to plant growth and survival?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the main function of the primary root in dicotyledons?

    <p>To develop lateral roots</p> Signup and view all the answers

    Which of the following is not a type of root system mentioned in the text?

    <p>Tuberous root system</p> Signup and view all the answers

    What is the main function of storage roots?

    <p>Storage</p> Signup and view all the answers

    What type of root system is typically found in monocotyledons?

    <p>Fibrous or adventitious root system</p> Signup and view all the answers

    Which tissue in roots is responsible for the upward transport of water and mineral salts?

    <p>Xylem</p> Signup and view all the answers

    What is the main function of the epidermis in dicotyledonous roots?

    <p>Water and mineral absorption</p> Signup and view all the answers

    What is the role of the Casparian strip in the endodermis of dicotyledonous roots?

    <p>Regulating water flow</p> Signup and view all the answers

    What is the primary role of transpiration in plant physiology?

    <p>Aiding in cooling and nutrient distribution</p> Signup and view all the answers

    What is the mechanism that drives the upward movement of water and nutrients in plants?

    <p>Transpirational pull</p> Signup and view all the answers

    Which process is influenced by the cohesive and adhesive properties of water in plants?

    <p>Transpiration</p> Signup and view all the answers

    What tissue in dicotyledonous roots is responsible for producing new xylem and phloem tissues?

    <p>Cambium</p> Signup and view all the answers

    What is the main function of phloem in roots?

    <p>Transporting organic nutrients</p> Signup and view all the answers

    How does transpiration support non-woody plants?

    <p>By maintaining cell turgor pressure</p> Signup and view all the answers

    What is the main function of storage roots in plants?

    <p>Acting as storage sites for nutrients and carbohydrates</p> Signup and view all the answers

    Which function does transpiration support in plants?

    <p>Exposure to sunlight</p> Signup and view all the answers

    What is the primary role of nutrient uptake by roots in plants?

    <p>Supporting various physiological processes</p> Signup and view all the answers

    Which type of root system is characterized by a main tap root that develops lateral roots?

    <p>Tap root system</p> Signup and view all the answers

    What is the function of roots in the translocation of water and nutrients?

    <p>Transportation to stems and leaves</p> Signup and view all the answers

    In dicotyledonous plants, what part of the plant embryo gives rise to the root system?

    <p>Radicle</p> Signup and view all the answers

    Which physiological process is supported by the structural support provided by roots to stems and leaves?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the main function of the endodermis in dicotyledonous roots?

    <p>Regulates water flow to the xylem and phloem</p> Signup and view all the answers

    Which tissue in roots is primarily responsible for maintaining cell turgor pressure?

    <p>Cortex</p> Signup and view all the answers

    How does the transpirational pull contribute to plant physiology?

    <p>Drives upward movement of water and nutrients</p> Signup and view all the answers

    Which tissue in dicotyledonous roots encircles the stele and contributes to lateral root growth?

    <p>Pericycle</p> Signup and view all the answers

    What is the main function of the capillary action in the context of root functionalities?

    <p>Drives upward movement of water and nutrients</p> Signup and view all the answers

    Which tissue is responsible for providing shape, protection, and strength in dicotyledonous roots?

    <p>Cambium</p> Signup and view all the answers

    What is the primary role of the phloem tissue in dicotyledonous roots?

    <p>Transports organic nutrients from leaves downward</p> Signup and view all the answers

    What is the main function of the epidermis in root functionality?

    <p>Absorbs water and minerals</p> Signup and view all the answers

    What is the primary function of the Cambium in dicotyledonous roots?

    <p>Producing new xylem and phloem tissues</p> Signup and view all the answers

    Which tissue in roots features the Casparian strip and controls water flow to the xylem and phloem?

    <p>Endodermis</p> Signup and view all the answers

    In dicotyledonous root systems, what is the main role of the Pericycle tissue?

    <p>Encircling the stele for lateral root growth</p> Signup and view all the answers

    What is the primary function of Collenchyma and Sclerenchyma in roots?

    <p>Providing mechanical support and strength</p> Signup and view all the answers

    Which tissue is responsible for facilitating the transport of organic nutrients from leaves to roots?

    <p>Phloem</p> Signup and view all the answers

    What process is essential for nutrient distribution and maintaining plant turgidity through upward movement of water?

    <p><strong>Transpiration</strong></p> Signup and view all the answers

    What is the main role of Xylem tissue in roots?

    <p><strong>Transporting water and mineral salts</strong></p> Signup and view all the answers

    Which tissue contributes to root functionalities by producing new xylem and phloem tissues?

    <p><strong>Cambium</strong></p> Signup and view all the answers

    Which of the following is a primary function of modified roots in plants?

    <p>Reproduction</p> Signup and view all the answers

    Which layer in the roots of dicotyledonous plants is responsible for limiting the apoplastic movement of water?

    <p>Endodermis</p> Signup and view all the answers

    Which type of root system is characterized by a shallow and fibrous network of roots?

    <p>Fibrous Root System</p> Signup and view all the answers

    Which plant tissue in roots primarily facilitates the downward movement of water and nutrients via capillary action?

    <p>Xylem</p> Signup and view all the answers

    Which physiological process is supported by the structural support provided by roots to stems and leaves in plant growth?

    <p>Photosynthesis</p> Signup and view all the answers

    Which tissue in dicotyledonous roots is responsible for the downward transport of sugars and other organic materials?

    <p>Phloem</p> Signup and view all the answers

    Which plant tissue in dicotyledonous roots encircles the stele and regulates the flow of water and nutrients into the central vascular cylinder?

    <p>Endodermis</p> Signup and view all the answers

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