BIO 101 Final Exam Review
300 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 BIO 101 Final Exam Review
,Q1
What is the basic unit of life?
A) Atom
B) Molecule
C) Cell CORRECT
D) Tissue
Rationale
The cell is the smallest structural and functional unit of living organisms.
Q2
Which characteristic is shared by all living things?
A) Photosynthesis
B) Reproduction CORRECT
C) Movement from place to place
D) Presence of a nucleus
Rationale
All living organisms have the capacity to reproduce or pass genetic material to offspring.
Q3
The scientific method begins with:
A) Forming a theory
B) Making an observation and asking a question CORRECT
C) Publishing results
D) Proving a hypothesis
Rationale
Scientific inquiry typically starts with observation and a question.
2
,Q4
A testable explanation for an observation is called a:
A) Theory
B) Law
C) Hypothesis CORRECT
D) Fact
Rationale
A hypothesis is a proposed, testable explanation.
Q5
In an experiment, the variable that is deliberately changed is the:
A) Dependent variable
B) Control variable
C) Independent variable CORRECT
D) Constant
Rationale
The independent variable is manipulated by the researcher.
Q6
The variable measured in an experiment is the:
A) Independent variable
B) Dependent variable CORRECT
C) Control group
D) Constant
Rationale
The dependent variable is what responds to changes in the independent variable.
3
, Q7
A control group is used to:
A) Provide a baseline for comparison CORRECT
B) Test the independent variable
C) Increase sample size
D) Eliminate all variables
Rationale
Controls allow comparison without the experimental treatment.
Q8
Which is the smallest unit of an element?
A) Molecule
B) Atom CORRECT
C) Cell
D) Compound
Rationale
An atom is the smallest unit of an element that retains its properties.
Q9
Atoms of the same element with different numbers of neutrons are:
A) Ions
B) Isotopes CORRECT
C) Molecules
D) Compounds
Rationale
Isotopes differ in neutron number but have the same number of protons.
4
300 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 BIO 101 Final Exam Review
,Q1
What is the basic unit of life?
A) Atom
B) Molecule
C) Cell CORRECT
D) Tissue
Rationale
The cell is the smallest structural and functional unit of living organisms.
Q2
Which characteristic is shared by all living things?
A) Photosynthesis
B) Reproduction CORRECT
C) Movement from place to place
D) Presence of a nucleus
Rationale
All living organisms have the capacity to reproduce or pass genetic material to offspring.
Q3
The scientific method begins with:
A) Forming a theory
B) Making an observation and asking a question CORRECT
C) Publishing results
D) Proving a hypothesis
Rationale
Scientific inquiry typically starts with observation and a question.
2
,Q4
A testable explanation for an observation is called a:
A) Theory
B) Law
C) Hypothesis CORRECT
D) Fact
Rationale
A hypothesis is a proposed, testable explanation.
Q5
In an experiment, the variable that is deliberately changed is the:
A) Dependent variable
B) Control variable
C) Independent variable CORRECT
D) Constant
Rationale
The independent variable is manipulated by the researcher.
Q6
The variable measured in an experiment is the:
A) Independent variable
B) Dependent variable CORRECT
C) Control group
D) Constant
Rationale
The dependent variable is what responds to changes in the independent variable.
3
, Q7
A control group is used to:
A) Provide a baseline for comparison CORRECT
B) Test the independent variable
C) Increase sample size
D) Eliminate all variables
Rationale
Controls allow comparison without the experimental treatment.
Q8
Which is the smallest unit of an element?
A) Molecule
B) Atom CORRECT
C) Cell
D) Compound
Rationale
An atom is the smallest unit of an element that retains its properties.
Q9
Atoms of the same element with different numbers of neutrons are:
A) Ions
B) Isotopes CORRECT
C) Molecules
D) Compounds
Rationale
Isotopes differ in neutron number but have the same number of protons.
4
