Biology Class: Carbohydrates and Plant Anatomy
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Questions and Answers

What is the composition ratio of hydrogen to oxygen in carbohydrates?

  • 3:1
  • 2:1 (correct)
  • 4:1
  • 1:1

    • Which of the following is NOT classified as a carbohydrate?

  • Cellulose
  • Glucose
  • Lactose
  • Saponin (correct)

    • What type of carbohydrate are glucose and fructose classified as?

  • Simple sugars (correct)
  • Modified carbohydrates
  • Polysaccharides
  • Disaccharides

    • Which chemical test is used to determine the general presence of carbohydrates?

    <p>Molisch test</p> Signup and view all the answers

    What are glycosides primarily composed of?

    <p>A sugar residue and a non-sugar residue</p> Signup and view all the answers

    Which glycosides are known to have laxative properties?

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

    Which of the following tests would be used for the detection of coumarins?

    <p>Borntrager’s test</p> Signup and view all the answers

    In the classification of alkaloids, which of the following is an example of a phenolic nucleus?

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

    Which type of hair is characteristic to the Compositae family?

    <p>Shaggy glandular hair</p> Signup and view all the answers

    What is the shape of guard cells found in monocot plants?

    <p>Dumbbell shaped</p> Signup and view all the answers

    Which type of stalk is defined as having cells arranged in more than two rows?

    <p>Pluriseriate stalk</p> Signup and view all the answers

    What characteristic feature is observed in the stomata of dicot plants?

    <p>Can have two or more subsidiary cells</p> Signup and view all the answers

    Which type of hair is specifically found in species like Cannabis?

    <p>Glandular hair</p> Signup and view all the answers

    What type of hair is known to have cells arranged on two rows?

    <p>Biseriate stalk</p> Signup and view all the answers

    Which type of hair is characteristic to the Solanaceae family?

    <p>Clavate hair</p> Signup and view all the answers

    Which of the following is a type of stomata shape found in dicots?

    <p>Dumbbell shaped</p> Signup and view all the answers

    What distinguishes volatile oils from fixed oils in terms of volatility?

    <p>Volatile oils are volatile while fixed oils are non-volatile</p> Signup and view all the answers

    Which test is specific for solanaceous alkaloids?

    <p>Vital’s test</p> Signup and view all the answers

    What type of compounds are tannins defined as?

    <p>Polyphenolic compounds</p> Signup and view all the answers

    Which of the following is a therapeutic use of spasmolytic oils?

    <p>Treatment of pain</p> Signup and view all the answers

    What indicates the presence of most alkaloids in Mayer's test?

    <p>Creamy white precipitate</p> Signup and view all the answers

    Which statement is true regarding the saponification of oils?

    <p>Fixed oils are not saponified with alkali</p> Signup and view all the answers

    Which oil is known for having a bactericidal effect?

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

    What is a characteristic of condensed tannins?

    <p>They can precipitate proteins</p> Signup and view all the answers

    What distinguishes angiosperms from gymnosperms in terms of seed structure?

    <p>Angiosperm seeds are covered by closed carpels.</p> Signup and view all the answers

    Which of the following statements is true regarding the number of species in angiosperms and gymnosperms?

    <p>Only about 750 species represent angiosperms.</p> Signup and view all the answers

    What type of root system do monocotyledons typically have?

    <p>Fibrous roots</p> Signup and view all the answers

    Which feature characterizes the vascular bundles in dicotyledons?

    <p>Closed and arranged in a ring</p> Signup and view all the answers

    Which of the following compounds is associated with the Pinaceae family for medicinal use?

    <p>Turpentine oil</p> Signup and view all the answers

    Which statement correctly describes the ground tissue in monocotyledons and dicotyledons?

    <p>Monocots have undifferentiated ground tissue, while dicots have differentiated layers.</p> Signup and view all the answers

    How does seed dispersal differ between gymnosperms and angiosperms?

    <p>Gymnosperms primarily rely on wind for seed dispersal.</p> Signup and view all the answers

    What is a common characteristic of plants in the same family?

    <p>They often produce similar types of compounds.</p> Signup and view all the answers

    What medicinal use is associated with the plant Cynara?

    <p>Treatment of liver and gallbladder complaints</p> Signup and view all the answers

    What active chemical constituent is found in the Opium poppy?

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

    Which of the following plants is known for its strong laxative properties?

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

    What is the primary medicinal use of Datura?

    <p>Antispasmodic and used for motion sickness</p> Signup and view all the answers

    Which alkaloid is associated with the plant Pilocarpus jaborandi?

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

    What is a known medicinal use of Liquorice?

    <p>Expectorant and treatment for ulcers</p> Signup and view all the answers

    Which plant contains Echinacin as an active chemical constituent?

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

    What type of effect does Belladonna have on the pupils?

    <p>Dilation of the pupils</p> Signup and view all the answers

    What is a primary medicinal use of Ginkgo biloba?

    <p>Memory improvement</p> Signup and view all the answers

    Which active chemical constituent is found in Ephedra sp.?

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

    What is a notable side effect of using Ephedra sp.?

    <p>Hypertensive reaction</p> Signup and view all the answers

    Which family includes garlic and onion?

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

    What medicinal effect does curcumin, found in turmeric, primarily support?

    <p>Reducing inflammation</p> Signup and view all the answers

    What active constituents are associated with saw palmetto?

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

    Which plant is recognized for its use in gastrointestinal disorders?

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

    Which of the following is NOT a medicinal use associated with garlic and onion?

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

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