Biology: Homeostasis and Plant Functions
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Questions and Answers

Which of the following is NOT a factor that needs to be regulated for homeostasis?

  • Internal temperature
  • Water levels
  • Muscle strength (correct)
  • Blood glucose concentration
  • Homeostasis involves regulating factors that ensure reactions involving enzymes occur at optimal rates.

    True

    What is homeostasis?

    The ability of an organism to regulate its internal conditions.

    An organism regulates its internal conditions such as blood glucose concentration, internal temperature, and ______ levels.

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

    Match the following regulatory factors with their importance:

    <p>Blood glucose concentration = Energy supply regulation Internal temperature = Enzyme activity optimization Water levels = Fluid balance and function pH levels = Acid-base balance</p> Signup and view all the answers

    What is the primary function of the leaf in a plant?

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

    The xylem transports nutrients bidirectionally throughout the plant.

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

    What is the primary role of the phloem in plants?

    <p>To transport sugars and nutrients to where they are needed.</p> Signup and view all the answers

    Water enters the plant through the roots by ______ and mineral ions by ______.

    Signup and view all the answers

    What is the main function of the xylem in a plant?

    <p>Carry water and dissolved minerals upwards</p> Signup and view all the answers

    What is the role of the root system in a plant?

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

    In plants, the process of __________ refers to the upward movement of water through the xylem.

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

    Match the plant parts with their primary functions:

    <p>Leaf = Photosynthesis and gas exchange Flower = Reproductive organs Meristem = Stem cell production Phloem = Transport of sugars and nutrients</p> Signup and view all the answers

    Study Notes

    Homeostasis

    • An organism's ability to regulate/control its internal conditions so crucial reactions (including those involving enzymes) can happen at optimal rates.

    What needs to be regulated:

    • Blood glucose concentration
    • Internal temperature
    • Water levels

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    Description

    This quiz explores the concepts of homeostasis and the essential functions of various plant structures. Questions cover the regulation of internal conditions in organisms and the role of xylem and phloem in nutrient transport. Test your knowledge on how plants maintain their vital processes and adapt to their environment.

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