Natural Product Classes Quiz
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Questions and Answers

Which of the following is not a use of terpenoids?

  • Building materials (correct)
  • Cosmetics
  • Colorants for foods
  • Pharmaceuticals
  • Which type of terpenoid is composed of isoprene and non-isoprenoid units?

  • Carotenoids
  • Triterpenoids
  • Gibberellins
  • Meroterpenoids (correct)
  • Which type of terpenoid is synthesized by the union of two C10 units?

  • Gibberellins
  • Prodolactones
  • Diterpenoids (correct)
  • Triterpenoids
  • Which of the following is NOT a natural product class of terpenoids?

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

    Which type of terpenoid is composed of six C5 units?

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

    Which type of terpenoid is used as a plant growth regulator?

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

    What is the composition of sesquiterpenoids?

    <p>Three Isoprene units, C15H24</p> Signup and view all the answers

    Which plant hormone is a sesquiterpenoid?

    <p>Abscisic acid (ABA)</p> Signup and view all the answers

    Which class of sesquiterpenoid lactones has a five-membered ring fused to a seven-membered ring?

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

    Which of the following plants is a source of artemisinin?

    <p>Artemisia annua</p> Signup and view all the answers

    What type of terpenoid is artemisinin?

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

    Which of the following is a common biological nucleophile that reacts with sesquiterpenoid lactones?

    <p>Thiol and amino groups of enzymes</p> Signup and view all the answers

    Which class of terpenoids is composed of six isoprene units?

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

    What is one of the most promising antineoplastic drugs derived from a plant source?

    <p>Taxus brevifolia</p> Signup and view all the answers

    Which of the following is a triterpenoid with antileukemic properties?

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

    What is the most common carotenoid in higher plants?

    <p>Beta-carotene</p> Signup and view all the answers

    Which class of terpenoids is responsible for the yellow, orange, red, and purple colors seen in living organisms?

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

    Which of the following is a terpenoid used to treat severe recalcitrant cystic acne?

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

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