Life Science

Chapter 7: Bacteria

Bacteria

1.
What pigment do cyanobacteria need to make food?
A)aerobes
B)lysosomes
C)chlorophyll
D)ribosomes
2.
Which of these is a shape of a bacteria?
A)prism
B)hexagonal
C)spiral
D)cone
3.
__________ uses bacteria to break down pollutants into simpler, harmless compounds.
A)Chemosynthesis
B)Mitosis
C)Regeneration
D)Bioremediation
4.
Which of these foods is usually pasteurized?
A)wheat
B)milk
C)meat
D)bananas
5.
One of the important scientists who contributed to the discovery of bacteria is ___________.
A)Antonie van Leeuwenhoek
B)Richard Leakey
C)Charles Darwin
D)Albert Einstein
6.
What is an organism that causes disease?
A)a mushroom
B)a saprophyte
C)a pathogen
D)a protozoan
7.
__________ is made from damaged particles taken from bacterial walls.
A)A saprophyte
B)Pasteurization
C)A vaccine
D)Plasmids
8.
Some bacteria can live without oxygen. They are called __________.
A)hermaphrodites
B)homonids
C)omnivores
D)anaerobes
9.
A type of food poisoning caused by bacteria in canned foods is called __________.
A)tetanus
B)botulism
C)sporangia
D)diphtheria
10.
Which of these is a chemical to limit the growth of bacteria?
A)nitrogen
B)cocci
C)antibiotics
D)flagella
11.
What do bacterial cells contain?
A)four chromosomes
B)a nucleus
C)DNA
D)mitochondria
12.
Which of these gases is produced as a waste by certain bacteria?
A)argon
B)methane
C)hydrogen
D)helium
13.
Which of these is a group of producer eubacteria?
A)endospores
B)archaebacteria
C)saphrophytes
D)cyanobacteria
14.
In which human organ can large numbers of bacteria be found?
A)the thyroid
B)the brain
C)the large intestine
D)the Vena Cava
15.
Which process do some bacteria use to reproduce?
A)fission
B)regeneration
C)cloning
D)budding
16.
Which one is true?
A)Bacteria are multi-celled organisms.
B)Bacteria are eukaryotic.
C)Bacteria are one-celled organisms.
D)Bacteria are vertebrates.
17.
An organism that uses dead material as a source of food is called a(n) __________.
A)protozoan
B)omnivore
C)saprophyte
D)archaebacteria
18.
__________ bacteria convert nitrogen into a form used by plants.
A)Oxygen-depriving
B)Potassium-dissolving
C)Nitrogen-fixing
D)Calcium-supplementing
19.
Which organisms are usually grouped according to the extreme environment in which they live?
A)archaebacteria
B)fungi
C)protists
D)plants
20.
Helpful bacteria are used in the production of which food?
A)yogurt
B)meat
C)milk
D)fruit
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