Question 1

Land plants evolved from charophytes.

Accepted Answer

A) True 
 B)False

Question 2

What do amoebas use pseudopodia for, other than movement?

Accepted Answer

A)   excretion
B)   feeding
C)   avoiding predation
D)   asexual reproductionE) All of the above
F) B) and D)

Question 3

Which of these terms describes kinetoplastids?

Accepted Answer

A)   prokaryotic
B)   photosynthetic
C)   parasitic
D)   ciliatedE) A) and B)
F) A) and C)

Question 4

Figure 24-3 
-In Figure 24-3, under what condition is the structure labelled E formed?

Accepted Answer

A)   high competition
B)   favourable to mating
C)   high heat
D)   low food supplyE) A) and D)
F) B) and C)

Question 5

Figure 24-2 
-In Figure 24-2, what process is occurring in step 1?

Accepted Answer

A)   fusion
B)   mitosis
C)   meiosis
D)   fertilizationE) A) and D)
F) A) and B)

Question 6

Amoeba is a term used to describe unicellular protists that move by means of flagella.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following protists are NOT included in the Unikont supergroup?

Accepted Answer

A)   amoebas
B)   slime moulds
C)   Rhizaria
D)   plasmodial slime mouldsE) B) and C)
F) A) and B)

Question 8

What kind of algae are Rhodophyta?

Accepted Answer

A)   brown
B)   red
C)   blue-green
D)   goldenE) C) and D)
F) B) and C)

Question 9

Slime moulds are classified as Amoebozoa.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is the feature that choanoflagellates received their name after?

Accepted Answer

A)   eye spot
B)   cilium
C)   flagellum
D)   collarE) A) and D)
F) B) and D)

Question 11

Figure 24-3 
-In Figure 24-3, which organism's life cycle is illustrated?

Accepted Answer

A)   cellular slime mould
B)   green alga
C)   water mould
D)   plasmodial slime mouldE) C) and D)
F) None of the above

Question 12

Match each protistan genus with its description.
-Euglena

Accepted Answer

A)  causes African sleeping sickness
B)  unicellular photosynthetic protist
C)  multicellular photosynthetic protist
D)  causes amoebic dysentery
E)  causes a sexually transmitted diseaseF) plasmodial slime mouldG) cellular slime mouldH) the most common intestinal parasite in North AmericaI) Excavate that is a human intestinal parasiteJ) why pregnant women should avoid catsK) D) and J)
L) B) and F)

Question 13

Until recently, protists have been classified according to observable traits such as modes of nutrition and mechanisms of movement. What is the basis for modern protist classification?

Accepted Answer

A)   their evolutionary relatedness
B)   their similarity to plants
C)   their cell wall types
D)   their types of life cyclesE) None of the above
F) C) and D)

Question 14

Colonies are aggregates of potentially independent protist cells that show little or no differentiation.

Accepted Answer

A) True 
 B)False

Question 15

Figure 24-2 
-In Figure 24-2, which step in the life cycle of the organism causes disease symptoms in a human host?

Accepted Answer

A)   step 1
B)   step 4
C)   step 5
D)   step 6E) A) and B)
F) A) and C)

Question 16

Figure 24-1 
-In Figure 24-1, what are the structures labelled as number 4?

Accepted Answer

A)   the pili
B)   the flagella
C)   the cilia
D)   the pelliclesE) None of the above
F) All of the above

Question 17

The White Cliffs of Dover, England, are composed of shells of ancient diatoms.

Accepted Answer

A) True 
 B)False

Question 18

A population boom in which type of organism will cause a red tide?

Accepted Answer

A)   ciliate
B)   brown alga
C)   diatom
D)   dinoflagellateE) B) and D)
F) None of the above

Exam 24: Protists

Until recently, protists have been classified according to observable traits such as modes of nutrition and mechanisms of movement. What is the basis for modern protist classification?

Correct Answer
verified

What kind of algae are Rhodophyta?

Correct Answer
verified

Colonies are aggregates of potentially independent protist cells that show little or no differentiation.

Correct Answer
verified

Figure 24-3 -In Figure 24-3, which organism's life cycle is illustrated?

Correct Answer
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Figure 24-3 -In Figure 24-3, under what condition is the structure labelled E formed?

Correct Answer
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Which of the following is the feature that choanoflagellates received their name after?

Correct Answer
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Which of these terms describes kinetoplastids?

Correct Answer
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Figure 24-2 -In Figure 24-2, what process is occurring in step 1?

Correct Answer
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Amoeba is a term used to describe unicellular protists that move by means of flagella.

Correct Answer
verified

Slime moulds are classified as Amoebozoa.

Correct Answer
verified

What do amoebas use pseudopodia for, other than movement?

Correct Answer
verified

Figure 24-2 -In Figure 24-2, which step in the life cycle of the organism causes disease symptoms in a human host?

Correct Answer
verified

Match each protistan genus with its description. -Euglena

Correct Answer
verified

The White Cliffs of Dover, England, are composed of shells of ancient diatoms.

Correct Answer
verified

A population boom in which type of organism will cause a red tide?

Correct Answer
verified

Which of the following protists are NOT included in the Unikont supergroup?

Correct Answer
verified

Land plants evolved from charophytes.

Correct Answer
verified

Figure 24-1 -In Figure 24-1, what are the structures labelled as number 4?

Correct Answer
verified

Exam 24: Protists

Until recently, protists have been classified according to observable traits such as modes of nutrition and mechanisms of movement. What is the basis for modern protist classification?

Correct AnswerverifiedShow Answer

What kind of algae are Rhodophyta?

Correct AnswerverifiedShow Answer

Colonies are aggregates of potentially independent protist cells that show little or no differentiation.

Correct AnswerverifiedShow Answer

Figure 24-3 -In Figure 24-3, which organism's life cycle is illustrated?

Correct AnswerverifiedShow Answer

Figure 24-3 -In Figure 24-3, under what condition is the structure labelled E formed?

Correct AnswerverifiedShow Answer

Which of the following is the feature that choanoflagellates received their name after?

Correct AnswerverifiedShow Answer

Which of these terms describes kinetoplastids?

Correct AnswerverifiedShow Answer

Figure 24-2 -In Figure 24-2, what process is occurring in step 1?

Correct AnswerverifiedShow Answer

Amoeba is a term used to describe unicellular protists that move by means of flagella.

Correct AnswerverifiedShow Answer

Slime moulds are classified as Amoebozoa.

Correct AnswerverifiedShow Answer

What do amoebas use pseudopodia for, other than movement?

Correct AnswerverifiedShow Answer

Figure 24-2 -In Figure 24-2, which step in the life cycle of the organism causes disease symptoms in a human host?

Correct AnswerverifiedShow Answer

Match each protistan genus with its description. -Euglena

Correct AnswerverifiedShow Answer

The White Cliffs of Dover, England, are composed of shells of ancient diatoms.

Correct AnswerverifiedShow Answer

A population boom in which type of organism will cause a red tide?

Correct AnswerverifiedShow Answer

Which of the following protists are NOT included in the Unikont supergroup?

Correct AnswerverifiedShow Answer

Land plants evolved from charophytes.

Correct AnswerverifiedShow Answer

Figure 24-1 -In Figure 24-1, what are the structures labelled as number 4?

Correct AnswerverifiedShow Answer

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