Plant Biology: Ergot Life Cycle Quiz
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Questions and Answers

Which plant acts synergistically with cymbopogon proximus?

  • Alkaloids of ephidra
  • Red algae
  • Brown algae
  • Flavonoids of ruta (correct)
  • What is a characteristic of lower plants mentioned in the content?

  • Absence of vascular tissues (correct)
  • Presence of vascular tissues
  • Presence of stomata
  • Presence of lignified elements
  • What role does pectin have according to the content?

  • Source of flavonoids
  • Used for bleaching
  • Provides antiviral properties
  • Laxative or anti-diarrhoea (correct)
  • Which statement is true regarding the properties of brown algae?

    <p>It is dichotomously branched.</p> Signup and view all the answers

    What substance is indicated to bleach red algae?

    <p>Sunlight or sulfur dioxide</p> Signup and view all the answers

    What structure is formed during the resting stage of the organism?

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

    What do the scleroteum germinate to produce in spring?

    <p>Spherical heads</p> Signup and view all the answers

    What is contained within the flask-shaped cavities formed by the organism?

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

    How are the ascospores transported to the rye flowers?

    <p>By the wind</p> Signup and view all the answers

    Where do the hyphae penetrate after ascospores reach the rye flowers?

    <p>Ovary wall</p> Signup and view all the answers

    What are the two distinct periods in the life cycle of Ergot?

    <p>Active and resting stages</p> Signup and view all the answers

    During which stage does Ergot exhibit diversity of active constituents?

    <p>Active stage</p> Signup and view all the answers

    Which stage in Ergot's life cycle follows the active stage?

    <p>Resting stage</p> Signup and view all the answers

    What characterizes the active stage of Ergot?

    <p>Diversity of active constituents</p> Signup and view all the answers

    Which of the following is NOT a stage in Ergot’s life cycle?

    <p>Fractions stage</p> Signup and view all the answers

    What is the primary characteristic of the stem described in the content?

    <p>It has a quadrangular shape and a dark purplish tinge.</p> Signup and view all the answers

    What type of stomata is mentioned in relation to the plant?

    <p>Anomocytic stomata.</p> Signup and view all the answers

    Which of the following describes a usage of the cannabis fixed oil?

    <p>It is a source of omega-3.</p> Signup and view all the answers

    What effect does lA dimethyl amide have on individuals?

    <p>Induces hallucination</p> Signup and view all the answers

    What type of fibers are referred to as being very strong and used for making ropes?

    <p>Pericyclic fibers.</p> Signup and view all the answers

    Which component is found in the cell wall of ergot?

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

    What physiological activity is associated with the resin mentioned?

    <p>It influences the central nervous system.</p> Signup and view all the answers

    Which of the following tests is associated with detecting alkaloids?

    <p>Van Urk reagent</p> Signup and view all the answers

    What condition is characterized by symptoms resulting from ergot consumption?

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

    Which characteristic is NOT associated with the cannabis plant as described?

    <p>It contains an extensive fibrous layer.</p> Signup and view all the answers

    What is the term used to describe the branching nature of the type of plant mentioned?

    <p>Monopodial branching.</p> Signup and view all the answers

    Which of the following is true about muscle contraction and vasocontraction?

    <p>They are unrelated physiological processes</p> Signup and view all the answers

    What is the significance of collecting the described plant in autumn?

    <p>Alkaloids are present in higher concentration.</p> Signup and view all the answers

    What is a primary use of N-alkylamine alkaloids in medical treatment?

    <p>Smooth muscle relaxant</p> Signup and view all the answers

    Which of the following is NOT a characteristic of N-alkylamine alkaloids?

    <p>They are safe for use in spasms.</p> Signup and view all the answers

    In what forms are N-alkylamine alkaloids typically administered?

    <p>As injections or tablets</p> Signup and view all the answers

    What is one common medical use of N-alkylamine alkaloids in relation to the respiratory system?

    <p>Nasal bleeding control</p> Signup and view all the answers

    Which of the following properties describes the action of N-alkylamine alkaloids in the cardiovascular system?

    <p>They act as cardiac stimulants.</p> Signup and view all the answers

    Signup and view all the answers

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