New York Science Grade 7

Chapter 21: Bacteria, Protists, and Fungi

Bacteria, Protists, and Fungi

1
Water mold contributed to problems that marked which historical period?
A)the War of Independence
B)the Great Depression
C)the Industrial Age
D)the Irish potato famine
2
An organism that uses dead material as a source of food is called __________.
A)a saprophyte
B)archaebacteria
C)pasteurization
D)a protozoan
3
Which of these is a shape of a bacteria?
A)spiral
B)prism
C)cone
D)hexagonal
4
Which one is true?
A)Bacteria are multi-celled organisms.
B)Bacteria are vertebrates.
C)Bacteria are one-celled organisms.
D)Bacteria are eukaryotic.
5
Which of these is a club fungi?
A)cocci
B)algae
C)botulism
D)toadstools
6
What happens when algae grow too fast in water environments?
A)The salinity of the water increases.
B)All the water evaporates.
C)The water changes color.
D)The water becomes stagnant.
7
__________ are threadlike tubes in fungi.
A)Lichens
B)Hyphae
C)Heterotrophs
D)Spores
8
Some bacteria can live without oxygen. They are called __________.
A)homonids
B)omnivores
C)anaerobes
D)hermaphrodites
9
Rod-shaped bacteria are called __________.
A)spores
B)botulism
C)bacilli
D)colonies
10
Which of the following is a human disease caused by protozoa?
A)smallpox
B)gingivitis
C)influenza
D)malaria
11
Some protists use __________ to help them move.
A)flagella
B)anaerobes
C)endospores
D)lichens
12
Which of these is a function of fungi?
A)Fungi sterilize canned foods.
B)Fungi prevent bacterial disease.
C)Fungi make antibiotics.
D)Fungi break down organic material.
13
A fern plant is a(n) __________.
A)fungi
B)autotroph
C)heterotroph
D)invertebrate
14
What structure allows bacteria to stick to surfaces?
A)flagella
B)pseudopods
C)capsules
D)cilia
15
Who was one of the most important scientists in the discovery of bacteria?
A)Albert Einstein
B)Richard Leakey
C)Charles Darwin
D)Antonie van Leeuwenhoek
16
Which is true?
A)Protists live only in dry surroundings.
B)All protists are autotrophs.
C)Some protists are eukaryotic.
D)Protists can be one-celled or many-celled organisms.
17
The production of __________ helps fungi spread.
A)archaebacteria
B)vaccines
C)spores
D)antibiotics
18
Which describes fungi that do not use sexual reproduction?
A)These fungi have an imperfect life cycle.
B)These fungi are also archaebacteria.
C)These fungi die and decay to form soil.
D)These fungi become pasteurized.
19
Which one of these causes known diseases?
A)eubacteria
B)pasteurization
C)lichens
D)archaebacteria
20
Helpful bacteria are used in the production of which food?
A)meat
B)milk
C)yogurt
D)fruit
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