Differences Between Algae and Plants
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Questions and Answers

What is the main pigment found in Phaeophyta (brown algae)?

  • Chlorophyll a and b
  • Chlorophyll a and d (correct)
  • Chlorophyll c and xanthophyll
  • Chlorophyll a and xanthophyll
  • Which group of algae stores reserve food in the form of mannitol, laminarin, and fats?

  • Xanthophyta (yellow-green algae)
  • Phaeophyta (brown algae) (correct)
  • Euglenophyta
  • Rhodophyta (red algae)
  • What is the distinctive protective covering over the cells of many algal species called?

  • Sporangium
  • Stoma
  • Theca (correct)
  • Chloroplast
  • What type of algae are mainly freshwater organisms?

    <p>Yellow-green algae</p> Signup and view all the answers

    Which group of algae is known for producing the mucilages agar and carrageenan?

    <p>Rhodophyta (red algae)</p> Signup and view all the answers

    What is the main storage form of reserve food in Euglenophyta?

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

    What is a common problem caused by algal blooms in water bodies?

    <p>Creation of dead zones due to oxygen depletion</p> Signup and view all the answers

    Which type of pigment plays a significant role in the coloration of Rhodophyta (red algae)?

    <p>Phycobilin pigments</p> Signup and view all the answers

    How do algal blooms affect the oxygen supply within water bodies?

    <p>Decrease oxygen levels due to excess phytoplankton growth</p> Signup and view all the answers

    What is the main pigment found in Xanthophyta (yellow-green algae)?

    <p>Chlorophyll b</p> Signup and view all the answers

    What is a key structural component of the cell walls of Rhodophyta (red algae)?

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

    Which algal group is characterized by the presence of deposits of calcium in their cell walls?

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

    What is the reserve food storage form in Phaeophyta (brown algae)?

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

    Which algal group is rich in vitamins and often consumed as food?

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

    What pigment is responsible for the yellow coloration in Xanthophyta (yellow-green algae)?

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

    What is a distinctive feature of Euglenophyta?

    <p>Exclusive saltwater habitat</p> Signup and view all the answers

    What type of reproduction is common in algal populations?

    <p>Internal fertilization</p> Signup and view all the answers

    What is the primary function of the mucilaginous matrix in algal cell walls?

    <p>Nutrient storage</p> Signup and view all the answers

    What distinguishes red tides caused by dinoflagellates from blue-green algal blooms?

    <p>Pigment coloration</p> Signup and view all the answers

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