1
North carolina state university bio 181 exam 1 latest 20
21 correct study guide download to score a 2
1. 2/2 points
Which one (or all) of the following statements about chromosomes is true.
They are composed of genes, but do not contain DNA.
All of these statements are true.
They do not have an important function within cells.
They contain genes which are composed of DNA.
They contain genes which are composed mainly of protein.
2. 0/2 points
Life is complex and is organized on several levels. Which of the following is a correct sequence from the
lowest to highest level of organization? (Some levels may be omitted from the sequence.)
cell, organ, tissue, organism, ecosystem, biosphere
cell, tissue, organism, community, ecosystem, biosphere
DNA molecule, atom, tissue, organism, organ, community
none of these sequences is correct
organism, organ, tissue, cell, DNA molecule, atom
3. 0/2 points
Which one (or all) of the following statements is true of living organismsa?
amurimi
[Type here]
, 2
All of these statements are true.
Living organisms are less highly organized than inanimate
objects.
Living organisms can prevent entropy without expending energy.
Living organisms can monitor and respond to their
environment.
All living organisms can reproduce using information in proteins.
4. 0/2 points
Living things are classified according to group relationships. Study the classification chart and pick the
answer in which the two specified animals are most closely related.
[Type here]
, 3
sea star and fish
frog and zebra
porpoise and black bear
bird and black bear
flower and butterfly
5. 0/2 points
Which of the following is a true statement about the scientific method?
It is a method of testing hypotheses that never utilizes experiments.
It is used to test a hypothesis by collecting data.
It always utilizes controlled experiments (never correlations) to test a
hypothesis.
It is a method of generating a hypothesis that does not need to be tested.
It is a procedure for answering philosophical questions.
6. 2/2 points
Which of the following statements about statistics is false?
All of these statements are false.
The smaller the sample size, the smaller the difference must be between results of control
and experimental treatments to achieve significant results.
The smaller the sample size, the larger the difference must be between results of control and
experimental treatments to achieve significant results.
Statistics must always be used in the experimental method of hypothesis testing in order to
accept or reject the hypothesis.
If the sample size is large, a small difference between results of control and experimental
treatments can produce statistical significance.
[Type here]
North carolina state university bio 181 exam 1 latest 20
21 correct study guide download to score a 2
1. 2/2 points
Which one (or all) of the following statements about chromosomes is true.
They are composed of genes, but do not contain DNA.
All of these statements are true.
They do not have an important function within cells.
They contain genes which are composed of DNA.
They contain genes which are composed mainly of protein.
2. 0/2 points
Life is complex and is organized on several levels. Which of the following is a correct sequence from the
lowest to highest level of organization? (Some levels may be omitted from the sequence.)
cell, organ, tissue, organism, ecosystem, biosphere
cell, tissue, organism, community, ecosystem, biosphere
DNA molecule, atom, tissue, organism, organ, community
none of these sequences is correct
organism, organ, tissue, cell, DNA molecule, atom
3. 0/2 points
Which one (or all) of the following statements is true of living organismsa?
amurimi
[Type here]
, 2
All of these statements are true.
Living organisms are less highly organized than inanimate
objects.
Living organisms can prevent entropy without expending energy.
Living organisms can monitor and respond to their
environment.
All living organisms can reproduce using information in proteins.
4. 0/2 points
Living things are classified according to group relationships. Study the classification chart and pick the
answer in which the two specified animals are most closely related.
[Type here]
, 3
sea star and fish
frog and zebra
porpoise and black bear
bird and black bear
flower and butterfly
5. 0/2 points
Which of the following is a true statement about the scientific method?
It is a method of testing hypotheses that never utilizes experiments.
It is used to test a hypothesis by collecting data.
It always utilizes controlled experiments (never correlations) to test a
hypothesis.
It is a method of generating a hypothesis that does not need to be tested.
It is a procedure for answering philosophical questions.
6. 2/2 points
Which of the following statements about statistics is false?
All of these statements are false.
The smaller the sample size, the smaller the difference must be between results of control
and experimental treatments to achieve significant results.
The smaller the sample size, the larger the difference must be between results of control and
experimental treatments to achieve significant results.
Statistics must always be used in the experimental method of hypothesis testing in order to
accept or reject the hypothesis.
If the sample size is large, a small difference between results of control and experimental
treatments can produce statistical significance.
[Type here]
