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Ch 6: Eukaryotic Microorganisms

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

What is defined as: Rapidly growing, Asexual reproduction, Develop hyphae that develop characteristic culture. Contain cross walls called septa, which divide the hyphae.

a)

mold

b)

algae

c)

protozoa

d)

ascomycota

2.

what is best defined as:the primary fungi causing food spoilage. This group also includes plant pathogens, both producing a negative impact on the economy. However, many are beneficial, best known is penicillum, the mold responsible for penicillin.

a)

ascomycota

b)

algae

c)

mold

d)

protozoa

3.

what is best define as: Photosynthetic organisms, widespread in fresh and marine waters, Main component of plankton, others are found in soil, on rocks, or on plants; some even exist in hot springs or snow banks

a)

algae

b)

mold

c)

fungi

d)

protozoa

4.

what is best defined as:Defined by three common characteristics 1. Eukaryotes 2. Unicellular 3. Lack a cell wall. Many are free-living; others are potential parasites of humans and other animals. Most live in ponds, streams, lakes, and oceans / Others live in moist soil, beach sand, and decaying organic matter.

a)

protozoa

b)

fungi

c)

algae

d)

ascomycota

5.

What are some medical concerns of algae. Select all that apply:

a)

Food poisoning caused by toxins of marine algae such as dinoflagellates

b)

Overgrowth of dinoflagellates causes the “red tide”

c)

Shellfish poisoning in humans

d)

Toxin is only accessible for 1-2 days

6.

Most Protozoans are chemoheterotrophs and obtain nutrients from various sources such as: (Select all that apply:)

a)

other protozoa

b)

host tissue

c)

decaying organic matter

d)

inorganic matter

7.

a type of cell or unicellular organism which has the ability to alter its shape, primarily by extending and retracting pseudopods.

a)

Amoeba

b)

Protozoa

c)

Cestodes

d)

Nematodes

8.

What is an intermittent and remittent fever caused by a protozoan parasite that invades the red blood cells. The parasite is transmitted by mosquitoes in many tropical and subtropical regions.

a)

Ebola

b)

Malaria

c)

Lyme Disease

d)

Zika Virus

9.

Which of the follolwing are true about Helminths. Select all that apply

a)

Often found in blood, feces, and urine

b)

Not Microbes

c)

Smallest Microbes

d)

Many parasitic helminths spend much of their life cycle in a mammalian host

e)

Most of the helminths affecting humans are either flatworms or roundworms

10.

Trematodes are:

a)

flukes

b)

round worms

c)

flat worms

d)

hook worms

e)

flauds

11.

Cestodes are ____________, an intestinal parasites

a)

tapeworms

b)

roundworms

c)

hookworms

d)

flukes

12.

Nematodes are:

a)

round worms

b)

flat worms

c)

tapeworms

d)

flukes

13.

Necator americanus and Ancylostoma duodenale – are types of _________________,they live in the Small intestine of humans and can cause intestinal disease.

a)

round worms

b)

tape worms

c)

hookworms

d)

flukes

14.

dormant stage of the protozoa is a _______

a)

cyst

b)

cryst

c)

fluke

d)

proton

15.

Food poisoning caused by toxins of marine algae when the marine life feeds directly upon the ________

a)

fluke

b)

flagella

c)

dinoflagellates

d)

trematods

16.

pencillin comes from

a)

algae

b)

mycobacteria

c)

ascomycota

d)

amoeba