CSCC Bio 1111 Exam Questions and Correct
Answers Updated & Verified
Question 1
In an experiment designed to measure the distance a golf ball is hit by clubs made of
different material, the dependent variable is the
1. distance the golf ball travels.
2. type of material used to make the club.
3. wind direction when the experiment took place.
4. type of material used to make the golf ball.
5. speed of the golf club prior to hitting the golf ball.
Correct Answer
distance the golf ball travels
Question 2
A substance having a pH of 6 would best be described as
1. a weak acid.
2. neutral.
3. a weak base.
4. a strong acid.
5. a strong base.
Correct Answer
a weak acid
Question 3
The primary building block (monomer) of proteins is
1. a glucose molecule.
2. a fatty acid.
3. a nucleotide.
4. an amino acid.
5. four interconnected rings.
Correct Answer
an amino acid
Page 1 of 131
,Question 4
The second energy shell of an atom contains a maximum of ________ electron(s).
1. eight
2. two
3. four
4. one
5. sixteen
Correct Answer
eight
Question 5
True or False: The cytoskeleton consists of microtubules, microfilaments, and
intermediate filaments.
Correct Answer
True
Question 6
Which of the following is not true about a hypothesis?
1. It can be proven to be true.
2. It can be proven to be false.
3. It is a tentative explanation.
4. Previous knowledge can help support it.
5. It must be testable to be useful.
Correct Answer
It can be proven true.
Question 7
Which of the following is not a true statement about the scientific method?
1. It is a general way of organizing an investigation.
2. It is a framework to consider ideas in a repeatable way.
3. It begins with observations.
4. It does not apply to problems encountered in everyday life.
5. It is a framework to consider evidence in a repeatable way.
Correct Answer
It does not apply to problems encountered in everyday life.
Page 2 of 131
,Question 8
Ice floats on water because
1. the molecules are closer together in ice than in water.
2. the molecules are farther apart in ice than in water.
3. ice is more dense than water.
Correct Answer
the molecules are farther apart in ice than in water.
Question 9
An ion is an atom that has
1. gained electrons.
2. a positive charge.
3. lost electrons.
4. a negative charge.
5. All of these answers are correct.
Correct Answer
all of these answers are correct
Question 10
The most prominent organelle in most eukaryotic cells is the
1. endoplasmic reticulum.
2. nucleus.
3. ribosome.
4. nucleolus.
5. cell membrane.
Correct Answer
nucleus
Page 3 of 131
, Question 11
A eukaryotic cell
1. has a cell wall with peptidoglycan.
2. is usually smaller than a prokaryotic cell.
3. does not have membrane-bounded organelles.
4. has membrane-bounded organelles.
5. does not usually have a nucleus.
Correct Answer
has membrane-bounded organelles.
Question 12
True or False: Endosymbiosis is a theory based on the resemblance of chloroplasts
and ribosomes to bacteria.
Correct Answer
False
Question 13
An acid
1. has a value above seven on the pH scale.
2. is a chemical that takes hydrogen ions from a solution.
3. has a value of seven on the pH scale.
4. is a chemical that adds hydrogen ions to a solution.
5. All of these answers are correct.
Correct Answer
is a chemical that adds hydrogen ions to a solution.
Question 14
Chloroplasts are not
1. glucose factories.
2. responsible for cellular respiration.
3. found in plants.
4. organelles that carry out photosynthesis.
5. found in some members of the kingdom Protista.
Correct Answer
responsible for cellular respiration
Page 4 of 131
Answers Updated & Verified
Question 1
In an experiment designed to measure the distance a golf ball is hit by clubs made of
different material, the dependent variable is the
1. distance the golf ball travels.
2. type of material used to make the club.
3. wind direction when the experiment took place.
4. type of material used to make the golf ball.
5. speed of the golf club prior to hitting the golf ball.
Correct Answer
distance the golf ball travels
Question 2
A substance having a pH of 6 would best be described as
1. a weak acid.
2. neutral.
3. a weak base.
4. a strong acid.
5. a strong base.
Correct Answer
a weak acid
Question 3
The primary building block (monomer) of proteins is
1. a glucose molecule.
2. a fatty acid.
3. a nucleotide.
4. an amino acid.
5. four interconnected rings.
Correct Answer
an amino acid
Page 1 of 131
,Question 4
The second energy shell of an atom contains a maximum of ________ electron(s).
1. eight
2. two
3. four
4. one
5. sixteen
Correct Answer
eight
Question 5
True or False: The cytoskeleton consists of microtubules, microfilaments, and
intermediate filaments.
Correct Answer
True
Question 6
Which of the following is not true about a hypothesis?
1. It can be proven to be true.
2. It can be proven to be false.
3. It is a tentative explanation.
4. Previous knowledge can help support it.
5. It must be testable to be useful.
Correct Answer
It can be proven true.
Question 7
Which of the following is not a true statement about the scientific method?
1. It is a general way of organizing an investigation.
2. It is a framework to consider ideas in a repeatable way.
3. It begins with observations.
4. It does not apply to problems encountered in everyday life.
5. It is a framework to consider evidence in a repeatable way.
Correct Answer
It does not apply to problems encountered in everyday life.
Page 2 of 131
,Question 8
Ice floats on water because
1. the molecules are closer together in ice than in water.
2. the molecules are farther apart in ice than in water.
3. ice is more dense than water.
Correct Answer
the molecules are farther apart in ice than in water.
Question 9
An ion is an atom that has
1. gained electrons.
2. a positive charge.
3. lost electrons.
4. a negative charge.
5. All of these answers are correct.
Correct Answer
all of these answers are correct
Question 10
The most prominent organelle in most eukaryotic cells is the
1. endoplasmic reticulum.
2. nucleus.
3. ribosome.
4. nucleolus.
5. cell membrane.
Correct Answer
nucleus
Page 3 of 131
, Question 11
A eukaryotic cell
1. has a cell wall with peptidoglycan.
2. is usually smaller than a prokaryotic cell.
3. does not have membrane-bounded organelles.
4. has membrane-bounded organelles.
5. does not usually have a nucleus.
Correct Answer
has membrane-bounded organelles.
Question 12
True or False: Endosymbiosis is a theory based on the resemblance of chloroplasts
and ribosomes to bacteria.
Correct Answer
False
Question 13
An acid
1. has a value above seven on the pH scale.
2. is a chemical that takes hydrogen ions from a solution.
3. has a value of seven on the pH scale.
4. is a chemical that adds hydrogen ions to a solution.
5. All of these answers are correct.
Correct Answer
is a chemical that adds hydrogen ions to a solution.
Question 14
Chloroplasts are not
1. glucose factories.
2. responsible for cellular respiration.
3. found in plants.
4. organelles that carry out photosynthesis.
5. found in some members of the kingdom Protista.
Correct Answer
responsible for cellular respiration
Page 4 of 131
