Phytochemistry Quiz
59 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of compound has a sugar unit attached to a phenolic compound?

  • Phenolic glycosides (correct)
  • Mucilage
  • Alkaloids
  • Polysaccharides

    • What is the role of the added sugar unit in phenolic glycosides?

  • To decrease the need for gut flora
  • To extract fat-soluble constituents
  • To reduce water solubility
  • To enhance biological activity (correct)

    • Which type of solution will extract fat-soluble constituents like alkaloids?

  • Alcohol-based solutions (correct)
  • Water-based solutions
  • Vinegar-based solutions
  • Oil-based solutions

    • What influences the solubility of phytochemicals?

    <p>Temperature of the extraction solvents</p> Signup and view all the answers

    Which compound has varying affinities for different solvents?

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

    What will water-based solutions extract?

    <p>Polysaccharides and tannins</p> Signup and view all the answers

    Which factor affects the ionization of a solution?

    <p>Type of solvent used</p> Signup and view all the answers

    What is the purpose of flavonoids in a plant?

    <p>Protection from UV radiation</p> Signup and view all the answers

    Which major class includes compounds such as alkamides and fatty acids?

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

    What do glycosides consist of?

    <p>A glycogen (sugar unit) and an aglycone (any other compound) attached by a glycosidic bond</p> Signup and view all the answers

    Which major class includes compounds like salicylic acid, coumarins, and tannins?

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

    What is the primary function of terpenoids in plants?

    <p>Providing a source of volatile oils</p> Signup and view all the answers

    What are alkaloids primarily known for in plants?

    <p>Having pharmacological effects</p> Signup and view all the answers

    What distinguishes glycosides from other compounds?

    <p>Consisting of two different molecules attached via a glycosidic bond</p> Signup and view all the answers

    Which type of herbal constituent is generally not very soluble in water and more so in alcohol?

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

    What type of herbal constituent is a polysaccharide that absorbs water and may form a sludge in alcohol?

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

    Which herbal constituent is insoluble in water and is readily soluble in alcohol?

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

    What type of herbal constituent is partially soluble in both water and alcohol?

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

    Which type of herbal constituent volatizes in hot water, 40% alcohol, or oil?

    <p>Volatile Oils</p> Signup and view all the answers

    What type of herbal constituent is soluble in alcohol and fixed oils, and slightly soluble in water?

    <p>Volatile Oils</p> Signup and view all the answers

    Which type of herbal constituent varies in solubility depending on their glycoside?

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

    Which type of plant metabolites are fundamental to the life of the plant?

    <p>Primary metabolites</p> Signup and view all the answers

    What is the approximate number of discovered secondary plant metabolites?

    <p>200,000</p> Signup and view all the answers

    What is the primary difference between primary and secondary plant metabolites?

    <p>Primary metabolites are fundamental to the life of a plant, while secondary metabolites serve diverse functions within plants.</p> Signup and view all the answers

    What is the main characteristic of herbal constituents?

    <p>They have distinct medicinal properties</p> Signup and view all the answers

    What is the purpose of a herbal monograph?

    <p>To provide reliable herbal information</p> Signup and view all the answers

    Why are herbal constituents classified based on their solubility?

    <p>To predict their medicinal applications</p> Signup and view all the answers

    What is the primary function of flavonoids in plants?

    <p>Protect the plant from UV radiation</p> Signup and view all the answers

    Which major class of constituents includes compounds like alkamides and fatty acids?

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

    What distinguishes glycosides from other compounds?

    <p>Attachment via glycosidic bond</p> Signup and view all the answers

    What is the primary function of terpenoids in plants?

    <p>Production of volatile oils</p> Signup and view all the answers

    Which type of herbal constituent is insoluble in water and is readily soluble in alcohol?

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

    What does the glycone unit in glycosides refer to?

    <p>Sugar unit</p> Signup and view all the answers

    Which type of herbal constituent is known for its varying affinities for different solvents?

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

    Which type of herbal constituent is insoluble in water and more soluble in alcohol?

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

    What type of herbal constituent is a polysaccharide that absorbs water and may form a sludge in alcohol?

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

    Which herbal constituent is partially soluble in both water and alcohol?

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

    What type of compound volatizes in hot water, 40% alcohol, or oil?

    <p>Volatile Oils</p> Signup and view all the answers

    Which herbal constituent is readily soluble in water or alcohol?

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

    In which solvents are resins generally insoluble?

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

    Which herbal constituent varies in solubility depending on its glycoside?

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

    Which type of plant metabolites do not appear to be fundamental to sustain life but serve diverse functions within plants?

    <p>Secondary metabolites</p> Signup and view all the answers

    How many secondary plant metabolites are estimated to still be uncovered by science?

    <p>80,000-90,000</p> Signup and view all the answers

    What book provides information on how plants work and the amazing things they do?

    <p>How Plants Work: The Science behind the Amazing Things Plants Do</p> Signup and view all the answers

    Which type of herbal constituents are referred to as plant constituents in herbalism?

    <p>Secondary metabolites</p> Signup and view all the answers

    Which category of plant metabolites includes proteins, lipids, carbs, and chlorophyll?

    <p>Primary metabolites</p> Signup and view all the answers

    What is the approximate number of secondary plant metabolites that have been discovered?

    <p>~200,000</p> Signup and view all the answers

    Which class of chemicals are secondary metabolites that are fundamental to the life of the plant?

    <p>Primary metabolites</p> Signup and view all the answers

    What is the primary function of the sugar unit in phenolic glycosides?

    <p>To activate the aglycone unit</p> Signup and view all the answers

    Which solvent is most suitable for extracting alkaloids?

    <p>45-60% alcohol</p> Signup and view all the answers

    What factor does NOT influence constituent solubility?

    <p>Molecular size of the plant extract</p> Signup and view all the answers

    Which type of constituents are extracted by water-based solutions?

    <p>Mucilage and tannins</p> Signup and view all the answers

    How does the polarity of a phytochemical molecule affect its solubility?

    <p>Makes it more water soluble</p> Signup and view all the answers

    What is the role of gut flora in relation to aglycone units?

    <p>Break down and activate the aglycone unit</p> Signup and view all the answers

    What is the significance of the added sugar unit in phenolic glycosides?

    <p>To improve water solubility</p> Signup and view all the answers

    Salicylic acid, coumarins, flavonoids, isoflavones, lignans, quinones, tannins are examples of?

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

    Inulin, arabinogalactans, beta-glucans, gum, mucilage are examples of?

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

    Volatile oils, resins, saponins, phytosterols, carotenoids, cardiac glycosides, iridoids

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

    Isoquinoline and pyrrolizidine are examples of?

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

    More Like This

    Phytochemistry Quiz
    50 questions

    Phytochemistry Quiz

    PlayfulHarmony avatar
    PlayfulHarmony
    Herbal Extraction Method Quiz
    18 questions

    Herbal Extraction Method Quiz

    RiskFreeEpigram avatar
    RiskFreeEpigram
    Phytochemical Investigation of Herbal Products
    10 questions

    Phytochemical Investigation of Herbal Products

    SubstantiveCharacterization avatar
    SubstantiveCharacterization
    Herbal Medicine Overview
    43 questions

    Herbal Medicine Overview

    WinningChalcedony3694 avatar
    WinningChalcedony3694
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser