Chapter 3: Plant Kingdom MCQs
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Questions and Answers

What is the dominant phase in the life cycle of a bryophyte?

  • Sporophyte
  • Seedling
  • Gametophyte (correct)
  • Prothallus
  • Which process is involved in the sexual reproduction of angiosperms?

  • Budding
  • Simple fertilization
  • Double fertilization and triple fusion (correct)
  • Asexual reproduction only
  • What describes the nature of lichen as a symbiotic relationship?

  • Both components are entirely independent
  • Only the fungal component benefits
  • Only the algal component benefits
  • Both components benefit and cannot survive independently (correct)
  • What part of the lifecycle do heterosporous pteridophytes demonstrate that is a precursor to seed formation?

    <p>Formation of male and female gametes</p> Signup and view all the answers

    Which characteristic would you investigate in a plant that has mycorrhizal and corolloid roots?

    <p>Association with fungal partners</p> Signup and view all the answers

    Which life cycle is characterized by having haploid stages being dominant?

    <p>Haplontic life cycle</p> Signup and view all the answers

    Which of the following groups of algae utilizes mannitol as its reserve food material?

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

    What type of plant is a giant Redwood tree (Sequoia sempervirens)?

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

    Which term describes the formation of two different types of spores in certain plants?

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

    In Bryophytes, what are the male and female sex organs called?

    <p>Antheridia and Archegonia</p> Signup and view all the answers

    How do higher plants differ in organization compared to lower plants?

    <p>Higher plants have a more complex root system</p> Signup and view all the answers

    Which type of spores does Selaginella produce?

    <p>Both microspores and megaspores</p> Signup and view all the answers

    Which of these statements about pteridophytes is false?

    <p>They reproduce exclusively through seeds.</p> Signup and view all the answers

    What is the equivalent of roots in less developed plants?

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

    Which statement explains the significance of Cycas in plant evolutionary history?

    <p>It is considered a 'relic of the past' due to its ancient lineage.</p> Signup and view all the answers

    Cyanobacteria are classified under which of the following groups?

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

    The fusion of two motile gametes which are dissimilar in size is called what?

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

    Which structure constitutes the plant body consisting of holdfast, stipe, and frond?

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

    A plant with thallus organization, haploid rhizoids, and motile male gametes belongs to which group?

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

    What is a Prothallus in the context of plant development?

    <p>A gametophyte free living structure in pteridophytes</p> Signup and view all the answers

    Which statement is true regarding the embryo sac of an Angiosperm?

    <p>It consists of 7 cells and 8 nuclei</p> Signup and view all the answers

    If the diploid number of a flowering plant is 36, what will be the chromosome number in its endosperm?

    <p>54</p> Signup and view all the answers

    Study Notes

    Chapter 3: Plant Kingdom - Multiple Choice Questions

    • Cyanobacteria are classified under Monera.
    • Fusion of two motile gametes, which is dissimilar in size, is termed as Anisogamy.
    • Holdfast, stipe and frond constitutes the plant body in case of Rhodophytes.
    • A plant shows thallus level of organization. It needs water to complete its life cycle because the male gametes are motile. This plant belongs to Bryophytes.
    • A Prothallus is a sporophytic free-living structure in pteridophytes.

    Additional Questions and Answers

    • If the diploid number of a flowering plant is 36, the chromosome number in its endosperm is 54.
    • A protonema is a haploid structure found in mosses.
    • The giant Redwood tree (Sequoia sempervirens) is a gymnosperm.
    • Food is stored as Floridean starch in Rhodophyceae. Mannitol is the reserve food material of algae.

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    Description

    Test your knowledge on the Plant Kingdom with these multiple choice questions based on Chapter 3. This quiz covers essential concepts including classification, reproductive strategies, and structural features of various plant groups. Challenge yourself and see how well you understand the diversity of life in the plant kingdom.

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