Life Science: From Bacteria to Plants, Book B

Section 2: Bacteria in Your Life

Self-Check Quiz-Eng.

1.
An organism that uses dead material as a source of food is called a(n) __________.
A)saprophyte
B)omnivore
C)archaebacteria
D)protozoan
2.
In which human organ can large numbers of bacteria be found?
A)the Vena Cava
B)the large intestine
C)the brain
D)the thyroid
3.
Which of these is a chemical to limit the growth of bacteria?
A)nitrogen
B)flagella
C)antibiotics
D)cocci
4.
Helpful bacteria are used in the production of which food?
A)yogurt
B)meat
C)fruit
D)milk
5.
__________ uses bacteria to break down pollutants into simpler, harmless compounds.
A)Chemosynthesis
B)Regeneration
C)Mitosis
D)Bioremediation
6.
Which of these gases is produced as a waste by certain bacteria?
A)hydrogen
B)methane
C)helium
D)argon
7.
What is an organism that causes disease?
A)a saprophyte
B)a protozoan
C)a pathogen
D)a mushroom
8.
A type of food poisoning caused by bacteria in canned foods is called __________.
A)diphtheria
B)tetanus
C)botulism
D)sporangia
9.
Which of these foods is usually pasteurized?
A)meat
B)bananas
C)milk
D)wheat
10.
__________ is made from damaged particles taken from bacterial walls.
A)A vaccine
B)Pasteurization
C)A saprophyte
D)Plasmids
11.
__________ bacteria convert nitrogen into a form used by plants.
A)Oxygen-depriving
B)Calcium-supplementing
C)Potassium-dissolving
D)Nitrogen-fixing
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