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ThinkQuest
Webcytology was created for ThinkQuest 1999.
Quizzes

Chrysophytes and Pyrrophytes

[go to this section in the Guide]
Chapter Seven: The Classification of Unicellular Organisms


Question 1
 Chrysophytes have a yellow-brown color because they contain a pigment called
   1.  fucoxanthin
2.  ribulose diphosphate
3.  acetaldehyde
4.  lignin
 

Question 2
 Chrysophytes store their food primarily in the form of
   1.  water
2.  carbon dioxide
3.  starch
4.  oils
 

Question 3
 What type of compounds are often used to strengthen the cell walls of chrysophytes?
   1.  silicon compounds
2.  chlorine compounds
3.  flourine compounds
4.  carbon compounds
 

Question 4
 Another name for pyrrophytes is
   1.  protozoans
2.  sarcodines
3.  dinoflagellates
4.  chrysophytes
 

Question 5
 Pyrrophytes are bioluminescent, which means that they
   1.  store food as both starch and oil
2.  have a rigid cell wall made of cellulose
3.  shed light, so they glow in the dark
4.  produce their own food
 


 
 

ThinkQuest Team #27819 - 27819@for.net
Team: Andrew Kallem, Josh Tauberer
Coaches: Ms. Acerra, Mr. Kwitkin