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MCQs

Total Questions : 29 | Page 3 of 3 pages
Question 21. . Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of
  1.    chlorophyta
  2.    chrysophyta
  3.    pyrrophyta
  4.    rhodophyta
 Discuss Question
Answer: Option D. -> rhodophyta
Question 22. . Frustules made of silica are characteristic of
  1.    euglenoids
  2.    diatoms
  3.    desmids
  4.    seaweeds
 Discuss Question
Answer: Option B. -> diatoms
Question 23. . Which of the following best describes the algae known as diatoms?
  1.    Cells have intricate shells of silicon dioxide with two halves
  2.    Cells are encased in rigid walls composed of cellulose coated with silicon
  3.    Cells have flagella and a light-detecting eye spot
  4.    Cells contain carotenoid pigments as well as chlorophyll A and B
 Discuss Question
Answer: Option A. -> Cells have intricate shells of silicon dioxide with two halves
Question 24. . Algae are found in all of the following places except
  1.    oceans
  2.    soils
  3.    lakes and streams
  4.    associates with fungi
 Discuss Question
Answer: Option B. -> soils
Question 25. . Chrysolaminarin is an energy storage material characteristic of
  1.    chlorophyta
  2.    chrysophyta
  3.    phaeophyta
  4.    rhodophyta
 Discuss Question
Answer: Option B. -> chrysophyta
Question 26. . Frustules made of silica are characteristic of
  1.    euglenoids
  2.    diatoms
  3.    desmids
  4.    seaweeds
 Discuss Question
Answer: Option B. -> diatoms
Question 27. . Chrysolaminarin is an energy storage material characteristic of
  1.    chlorophyta
  2.    chrysophyta
  3.    phaeophyta
  4.    rhodophyta
 Discuss Question
Answer: Option B. -> chrysophyta
Question 28. . Which of the following best describes the algae known as diatoms?
  1.    Cells have intricate shells of silicon dioxide with two halves
  2.    Cells are encased in rigid walls composed of cellulose coated with silicon
  3.    Cells have flagella and a light-detecting eye spot
  4.    Cells contain carotenoid pigments as well as chlorophyll A and B
 Discuss Question
Answer: Option A. -> Cells have intricate shells of silicon dioxide with two halves
Question 29. . Algae are found in all of the following places except
  1.    oceans
  2.    soils
  3.    lakes and streams
  4.    associates with fungi
 Discuss Question
Answer: Option B. -> soils

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