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Introduction to Microorganisms and Kingdom Protista

Authored by Sharira Kirana

Science

7th Grade

Introduction to Microorganisms and Kingdom Protista
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20 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

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Explain which stage of the malaria parasite is injected into the human bloodstream by the female Anopheles mosquito and describe its role in the infection.

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2.

DROPDOWN QUESTION

1 min • 1 pt

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Green algae get their color from the pigment ​ (a)   found in greatest amounts.

Fucoxanthin and c

Phycoerythrin and c

Phycocyanin and a

chlorophyll a and b

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

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A bacterium with a coiled screw shape is called a (a)   .

4.

MATCH QUESTION

1 min • 1 pt

Match each bacterium to the correct nutritional category.

bacteria that break down decaying matter

Heterotrophic – Saprophytic

bacteria that can produce their own food

Heterotrophic – Parasitic

bacteria that harm their host

Autotrophic bacteria

bacteria in mutually beneficial relation

Heterotrophic – Symbiotic

5.

LABELING QUESTION

1 min • 1 pt

Identify the Protozoans visible in the image.

a
b
c
d
Paramecium sp.
Coleps sp.
Stylonychias sp.
Stentor sp.

6.

HOTSPOT QUESTION

1 min • 1 pt

Select the protozoan that:
• Moves using pseudopodia (false feet)
• Has a translucent, jellylike nucleus
• Contains numerous visible granules
• Performs phagocytosis to engulf food
• Lives in freshwater and feeds on algae, rotifers, and nematode worms

7.

MATCH QUESTION

1 min • 1 pt

Match each protozoan to its characteristic.

Narrow; elongated; red spot; flagella

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Digests cellulose in termites

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Causes Gambian sleeping sickness

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Colonial; 50–50,000 cells

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