Course

Introductory Biology

Study Pack

Set 18 Protists

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Question 1

(Multiple Choice)

Free
A woman was told by her doctor that while she is pregnant,she might want to let someone else care for her cats so she would not contract toxoplasmosis through which mechanism?

A) exposure to infected cat feces
B) fleas that transmit toxoplasmosis
C) scratches from infected claws
D) infection from mice the cat may bring into the house
E) infection from saliva

Answer

Question 2

(Multiple Choice)

Free
A protective layer made of rigid or elastic protein strips surrounding the cell membrane of euglenoids is a

A) cell wall.
B) pseudopodium.
C) gullet.
D) flagellum.
E) pellicle.

Answer

Question 3

(Multiple Choice)

Free
Which group of protists consume CO2 and produce O2 for much of Earth,serving as the base of food webs in lakes,streams,and the oceans?

A) radiolarians
B) protozoa
C) amoeba
D) slime mold
E) algae

Answer