Poisonous Plants and Their Toxins
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Questions and Answers

What are plants that produce toxins and/or cause irritation on contact referred to as?

  • Poisonous plants (correct)
  • Irritant flora
  • Toxic vegetation
  • Harmful shrubbery
  • Which type of protection is most common in plants against herbivorous animals?

  • Chemical defenses (correct)
  • Speed and agility
  • Camouflage
  • Physical barriers
  • What is an example of a defensive compound that emerged relatively early in the evolutionary history of plants?

  • Caffeine
  • Nicotine
  • Capsaicin
  • Tannin (correct)
  • Which group of plants is known to contain more complex molecules such as polyacetylenes?

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

    What do many of the known plant defense compounds primarily defend against?

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

    What is the main cause of coordination in plants?

    <p>Chemical system involving plant hormones (C)</p> Signup and view all the answers

    Which type of movement in plants is not dependent on stimulus and is growth independent?

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

    What happens to the leaves of a touch me not plant (Mimosa pudica) when touched?

    <p>They fold up immediately (D)</p> Signup and view all the answers

    What is the primary role of phytohormones in plants?

    <p>Regulating plant coordination (B)</p> Signup and view all the answers

    How many types of movements are exhibited by plants?

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

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