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 (C)</p> Signup and view all the answers

Which type of terpenoid is composed of six C5 units?

<p>Triterpenoids (B)</p> Signup and view all the answers

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

<p>Gibberellins (D)</p> Signup and view all the answers

What is the composition of sesquiterpenoids?

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

Which plant hormone is a sesquiterpenoid?

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

Which of the following plants is a source of artemisinin?

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

What type of terpenoid is artemisinin?

<p>Sesquiterpenoid (B)</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 (D)</p> Signup and view all the answers

Which class of terpenoids is composed of six isoprene units?

<p>Triterpenoids (A)</p> Signup and view all the answers

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

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

Which of the following is a triterpenoid with antileukemic properties?

<p>Quassinoids (D)</p> Signup and view all the answers

What is the most common carotenoid in higher plants?

<p>Beta-carotene (B)</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 (A)</p> Signup and view all the answers

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

<p>ISOTRETINOIN (B)</p> Signup and view all the answers

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