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WorksheetsVirus, DNA, RNA & Mutation
Total questions: 38
Worksheet time: 1hrs 9mins
Name
Class
Date
1.
Most scientists classify viruses as ...
a)
living
b)
non-living
2.
Viruses are considered non-living. These are characteristics of non-living things, except one:
a)
not made of cells
b)
do not use energy
c)
can't make/take in food
d)
reproduce
3.
These are parts of the virus, except:
a)
cell membrane and cytoplasm
b)
inner core with genetic material
c)
capsule that protects genetic material
d)
viral envelope for some viruses
4.
How are viruses named?
a)
a. for the disease they cause
b)
b. for geographic location where they were discovered
c)
c. following the binomial nomenclature rules (genus + species)
d)
a and b are correct
5.
Which statement is TRUE about virus reproduction?
a)
Viruses can reproduce on their own
b)
Viruses need a host cell to reproduce
c)
Viruses live in host cells, but do not use their machinery to reproduce
6.
What does the term "epidemic" mean?
a)
Global outbreak
b)
Outbreak in a certain area, like a state or country
c)
none of the other options
7.
What does the term "pandemic" mean?
a)
Global outbreak
b)
Outbreak in one area, like a state or country
c)
None of the other option
8.
How can we kill viruses?
a)
Cleaning and disinfecting contaminated areas
b)
With the use of vaccines
c)
With the use of antibiotics
d)
Viruses cannot be killed, only broken apart by chemicals and defense cells in our bodies
9.
What is the importance of the viral envelope?
a)
It is a type of mimicry - the virus looks harmless, like a normal cell from the infected organism
b)
It is a type of mimicry - the virus looks extremely harmful
c)
It is an extra layer of protection
d)
It is a layer that allows the virus to attach to the host cell
10.
Which statement about DNA is TRUE?
a)
It stands for Deoxyribonucleic Acid
b)
It is in the shape of a single helix
c)
The bases present in DNA are A, U, C and G
d)
It is composed of nucleotides, that are phosphate, ribose and base
11.
Replication is when DNA makes a copy of itself. If we have this sequence on one side of the DNA: AAT CCG GTA , what would be the complementary sequence? (the other side of the DNA)
a)
TTA GGC CAT
b)
TTA CCG CAT
c)
AAT CCG GTA
d)
TTA GGC GTA
12.
In DNA sequences, ADENINE always pairs with
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
13.
In DNA sequences, THYMINE always pairs with
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
14.
In DNA sequences, CYTOSINE always pairs with
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
15.
In DNA sequences, GUANINE always pairs with
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
16.
What is NOT a difference between DNA and RNA?
a)
DNA - double strand, RNA - single strand
b)
DNA - deoxyribose sugar, RNA ribose sugar
c)
DNA - A T C G ; RNA - A U C G
d)
DNA - A U C G ; RNA - A T C G
17.
Transcription:
a)
DNA is made from RNA
b)
RNA is made from DNA
c)
proteins are made from RNA
18.
Translation:
a)
DNA is made from RNA
b)
RNA is made from DNA
c)
proteins are made from RNA
19.
DNA (original recipe) -> RNA (copy of part of original recipe) -> __________ -> traits
a)
protein
b)
base
c)
mutation
20.
In RNA, there is no THYMINE, there is _________ instead.
a)
adenine
b)
cytosine
c)
guanine
d)
uracil
21.
What is mutation?
a)
change in a gene or chromosome
b)
change in a cell
c)
a deformity or defect
22.
If a mutation happens, it can cause...
a)
a. formation of incorrect protein
b)
b. change of traits
c)
c. superpowers
d)
d. both a and b are correct
23.
In this type of mutation, a base pair is replaced by another:
a)
substitution
b)
deletion
c)
addition
24.
In this type of mutation, a base pair is deleted or removed:
a)
substitution
b)
deletion
c)
addition
25.
In this type of mutation, a base pair is added:
a)
substitution
b)
deletion
c)
addition
26.
What is a mutagen?
a)
It is a mutant
b)
It is a factor that can trigger mutations
c)
It is a gene that mutated
27.
What is NOT an example of mutagen?
a)
UV rays
b)
cigarette smoke
c)
radiation
d)
water
28.
Mutation that helps the organism survive:
a)
beneficial
b)
harmful
c)
neutral
29.
Mutation that causes a disability or defect:
a)
beneficial
b)
harmful
c)
neutral
30.
Mutation that does not benefit nor harm the organism:
a)
beneficial
b)
harmful
c)
neutral
31.
Replication:
a)
RNA is made from DNA
b)
proteins are made from RNA
c)
DNA makes a copy of itself
32.
What is the RNA complementary sequence to the following DNA section: TTC GAA CTA
a)
AAG CTT GAT
b)
AAG CUU GAU
c)
TTC GAA CTA
33.
When RNA is made from DNA (transcription), it travels through to the cell until...
a)
it reaches the ribosome to produce protein
b)
it reaches the next cell
c)
it reaches the nucleus to produce more DNA
34.
An enzyme unzips and reads the DNA, then makes a similar copy of it (RNA):
a)
Replication
b)
Transcription
c)
Translation
d)
Mutation
35.
The ribosome reads the RNA and makes proteins according to those codes:
a)
Replication
b)
Transcription
c)
Translation
d)
Mutation
36.
a)
The first mutation is deletion
b)
The second mutation is deletion
c)
The third mutation is deletion
37.
a)
The first mutation is substitution
b)
The second mutation is substitution
c)
The third mutation is substitution
38.
a)
The first mutation is addition/insertion
b)
The second mutation is addition/insertion
c)
The third mutation is addition/insertion
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