Carbohydrates Quiz
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Questions and Answers

What is the primary difference between simple and complex carbohydrates?

  • Complex carbohydrates provide quick bursts of energy.
  • Simple carbohydrates are broken down quickly by the body to be used as energy. (correct)
  • Complex carbohydrates are easily digested by the body.
  • Simple carbohydrates are only found in fruits and not in other food groups.

    • What is the function of lipids in the body?

  • Lipids are involved in the transportation of oxygen in the blood.
  • They are responsible for maintaining body temperature.
  • They form an essential part of the structure of all cells. (correct)
  • They are the primary source of quick energy for the body.

    • What is the difference between starch and glycogen?

  • Glycogen is the stored form of sugar in plants, while starch is in animals. (correct)
  • Starch is a polymer of glucose, while glycogen is a simple sugar.
  • Starch is the stored form of sugar in animals, while glycogen is in plants.
  • Starch is easily broken down, while glycogen is compact and insoluble.

    • What are the functions of the stomata?

    <p>Allow water vapor to escape (transpiration)</p> Signup and view all the answers

    What is the difference between essential and non-essential amino acids?

    <p>Non-essential amino acids can be made by the body.</p> Signup and view all the answers

    What is the function of guard cells in the leaf?

    <p>Regulate the opening and closing of stomata to control gas exchange</p> Signup and view all the answers

    Why are the epidermis layers of the leaf covered in a waxy cuticle?

    <p>To reduce water loss through evaporation and protect against pathogens</p> Signup and view all the answers

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

    <p>Transport sugars produced in the leaves to other parts of the plant</p> Signup and view all the answers

    Why do guard cells close the stomata at night?

    <p>To prevent water loss during periods of low light and reduced photosynthesis</p> Signup and view all the answers

    How has the leaf adapted to maximize its ability to perform photosynthesis?

    <p>By having a large surface area, thin structure, and containing chloroplasts in the palisade layer</p> Signup and view all the answers

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