Biology: Classification of Algae and Cyanobacteria
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Questions and Answers

What is a unique feature of Cyanobacteria?

  • Presence of fucoxanthin
  • Presence of reserve starch in pyrenoids
  • Ability to fix nitrogen (correct)
  • Ability to synthesize cellulose

Which division of algae includes Diatoms?

  • Xanthophyta
  • Rhodophyta
  • Chlorophyta
  • Bacillariophyta (correct)

Which type of algae is characterized by the presence of fucoxanthin?

  • Red algae
  • Yellow-green algae (correct)
  • Green algae
  • Brown algae

What is the primary food source of Chlorophyta?

<p>Starch stored in pyrenoids (B)</p> Signup and view all the answers

What is a characteristic of Phaeophyta?

<p>Growing on rocks in shallow water (B)</p> Signup and view all the answers

What is the characteristic that distinguishes Cyanobacteria from true algae?

<p>The presence of a membrane-bound nucleus (D)</p> Signup and view all the answers

Which type of algae is often found in freshwater environments?

<p>Chlorophyta (C)</p> Signup and view all the answers

What is the characteristic of Rhodophyta algae?

<p>They have a red pigment (A)</p> Signup and view all the answers

Which of the following algae groups contains Diatoms?

<p>Bacillariophyta (C)</p> Signup and view all the answers

Which of the following algae groups is classified under the kingdom Monera?

<p>Cyanophyta (C)</p> Signup and view all the answers

What is the characteristic of Phaeophyta algae?

<p>They have a brown pigment (B)</p> Signup and view all the answers

Which of the following is a criterion for classification of algal divisions?

<p>All of the above (D)</p> Signup and view all the answers

Which type of algae is also prokaryotic?

<p>Cyanobacteria (A)</p> Signup and view all the answers

What is the primary characteristic of algae that distinguishes them from plants?

<p>They lack vascular tissues (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of algae?

<p>They have a well-defined body (A)</p> Signup and view all the answers

What is the function of pyrenoids in algae?

<p>Unknown (C)</p> Signup and view all the answers

What is the main component of the cell wall of algae?

<p>Cellulose (A)</p> Signup and view all the answers

Where can algae typically be found?

<p>In environments with adequate moisture (C)</p> Signup and view all the answers

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