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8.MS-LS3-1
Test Description: 8.MS-LS3-1
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a mutagen?
A
a harmful mutation
B
clean air
C
a deletion
D
radiation
2) What most likely happens when we expose insects to the same poison over and over again?
A
We end up with a population of insects which are resistant to that poison
B
We end up with insects that have the ability to choose which poisons kill them and which don't
C
We will eventually kill all the insects
D
We end up with insects who learn to hide from the poison
3) Why is albinism considered to be a harmful mutation (in the wild)?
A
It does not impact an organism's agility to survive in captivity
B
It positively impacts an organism's ability to survive
C
It does not impact an organism's ability to survive
D
It negatively impacts an organism's ability to survive
4) Which of the following is NOT a type of mutation?
A
creation
B
deletion
C
insertion
D
substitution
5) How many nucleotides are in one codon?
A
two different complementary pairs
B
four
C
six
D
three
6) Which statement is correct?
A
Mutations can lead to the production of incorrect proteins by the nucleus
B
Mutations can lead to an incorrect matching of codon to amino acid
C
Mutations can lead to the production of incorrect proteins by ribosomes
D
Mutations can result in codons being read in groups of five.
7) What is the main purpose of the DNA molecule?
A
It contains the instructions for building proteins for the organism
B
It relays information about the environment to the rest of the cell
C
It produces glucose for producers
D
It produces energy through cellular respiration
8) Which of the following is the best example of a beneficial mutation?
A
A group of bacteria are genetically resistant to an antibiotic
B
A cat is born with two different colored eyes
C
A person is born with attached earlobes
D
An organism is born more likely to develop a genetic disorder
9) Why do some mutations not cause changes to protein production?
A
Some amino acids are coded for by multiple codons
B
Some amino acids are coded for more than three nucleotides
C
Some mutations are neutral
D
Some mutations do not change the order of nucleotides
10) Where does protein production happen in a cell?
A
in the chloroplasts
B
in the nucleus
C
in the ribosomes
D
in the mitochondria
*select an answer for all questions
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