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Bio II Fall Review
Test Description: Fall Review
Instructions: Answer all questions to get your test result.
1) We know viruses are not alive because
A
they cannot make proteins
B
they cannot use energy
C
all of the above
D
they are not cellular
2) The study of viruses is part of biology because
A
they are living organisms
B
they are active inside living cells
C
they belong to the kingdom Monera
D
they are about to become extinct
3) The tobacco mosaic virus
A
all of the above
B
causes disease in tobacco plants
C
is smaller than a bacterium
D
is able to be crystallized
4) Viruses
A
reproduce in living cells
B
are cellular organisms
C
have nuclei and organelles
D
are surrounded by a polysaccharide coat
5) A typical virus consists of
A
a protein coat and a nucleic acid core
B
a carbohydrate coat and a nucleic acid core
C
a protein coat and a cytoplasm core
D
none of the above
6) Biologists now know that viruses
A
are the smallest organisms
B
contain RNA or DNA in a protein coat
C
all of the above
D
consist of a protein surrounded by a nucleic acid coat
7) The capsid of the virus is the
A
cell membrane
B
nucleus
C
cell membrane complex
D
protective outer coat
8) An animal virus enters its host cell by
A
penetrating a rip in the cell wall
B
punching a hole in the cell membrane
C
endocytosis across the cell membrane
D
being injected into the cell
9) The cycle of viral infection, replication and cell destruction
A
lytic cycle
B
lysogenic cycle
C
none of the above
D
metabolic cycle
10) A pathogen is an agent that is
A
beneficial to all organisms
B
harmful only to plants
C
harmful to living organisms
D
nearly extinct
11) HIV can be transmitted
A
through sexual contact
B
to infants during pregnancy or through breast milk
C
through sharing of nonsterile needles
D
all of the above
12) One difference between the cells in the human body and bacterial cells is that bacterial cells have
A
an outer cell wall make up of polysaccharides and proteins
B
no DNA
C
an outer cell wall made up of lipids
D
no ribosomes
13) Structures found in eukaryotic cells but NOT in a bacterial cell are
A
all of the above
B
linear chromosomes
C
nuclei
D
membrane-bound organelles
14) Which of the following might be found in the cyctoplasm of a bacterial cell?
A
mitochondria
B
chloroplasts
C
Golgi bodies
D
none of the above
15) Bacterial cells have
A
a cell membrane only
B
a cell wall only
C
both a cell membrane and an outer cell wall
D
a cell wall inside of the their cell membrane
16) Bacteria cells can be classified according to their
A
type of cell walls
B
all of the above
C
methods of obtaining energy
D
Gram-staining characterisitics
17) Alexander Fleming, a British bacteriologist, is credited with the discovery of
A
New England Patriots
B
photosynthetic bacteria
C
penicillin
D
HIV
18) Antibiotics
A
are effective treatments for bacterial diseases
B
include penicillin, tetracycline and streptomycin
C
all of the above
D
may prevent bacteria from making new cell walls
*select an answer for all questions
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