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MCQs

Total Questions : 29 | Page 1 of 3 pages
Question 1.  Which of the following is correct?
  1.    All members of photolithotrophic autotrophs are also members of algae, but not all members of algae are members of photolithotrophic autotrophs
  2.    All members of algae are also members of photolithotrophic autotrophs, but not all members of photolithotrophic autotrophs are members of algae
  3.    All members of photolithotrophic autotrophs are members of algae, and all members of algae are members of photolithotrophic autotrophs
  4.    No member of photolithotrophic autotrophs is a member of algae
 Discuss Question
Answer: Option B. -> All members of algae are also members of photolithotrophic autotrophs, but not all members of photolithotrophic autotrophs are members of algae
Question 2.  The number of members of the division Phaeophyta that live in freshwater habitats
  1.    is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
  2.    is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
  3.    is equal to the number of members of the division Chlorophyta that live in freshwater habitats
  4.    none of the above
 Discuss Question
Answer: Option B. -> is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
Question 3.  Which algal division is divided up into three main groups consisting of the golden-brown algae, the yellow-green algae and the diatoms?
  1.    Chlorophyta
  2.    Chrysophyta
  3.    Phaeophyta
  4.    Pyrrophyta
 Discuss Question
Answer: Option B. -> Chrysophyta
Question 4.  Zooxanthellae are algal symbiont that live within coral reef animals. These algae belong to
  1.    chlorophyta
  2.    chrysophyta
  3.    pyrrophyta
  4.    rhodophyta
 Discuss Question
Answer: Option C. -> pyrrophyta
Question 5.  All algae possess
  1.    nuclei
  2.    chloroplasts
  3.    Both (a) and (b)
  4.    none of these
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 6.  Bioluminescence is a phenomenon associated with
  1.    chrysophyta
  2.    phaeophyta
  3.    pyrrophyta
  4.    chlorophyta
 Discuss Question
Answer: Option C. -> pyrrophyta
Question 7.  
Which of the following algal divisions is characterized by possession of chlorophylls A and B, starch as the energy storage material, cellulosic cell walls and live in freshwater and marine habitats?
  1.    Chlorophyta
  2.    Chrysophyta
  3.    Phaeophyta
  4.    Pyrrophyta
 Discuss Question
Answer: Option A. -> Chlorophyta
Question 8.  Which of the following algal divisions is characterized by possession of chlorophylls A and B, paramylon as the energy storage material, and the presence of a pellical instead of a cell wall?
  1.    Chlorophyta
  2.    Euglenophyta
  3.    Pyrrophyta
  4.    Chrysophyta
 Discuss Question
Answer: Option B. -> Euglenophyta
Question 9.  Algae is a nonvalid taxinomic term that refers to
  1.    eukaryotic organisms that have chlorophyll a and produce O2
  2.    well developed cellular structure including a conducting system
  3.    Both (a) and (b)
  4.    none of the above
 Discuss Question
Answer: Option A. -> eukaryotic organisms that have chlorophyll a and produce O2
Question 10. . Laminarin is an energy storage material characteristic of
  1.    chlorophyta
  2.    chrysophyta
  3.    phaeophyta
  4.    pyrrophyta
 Discuss Question
Answer: Option C. -> phaeophyta

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