BIO 110 LECTURE EXAM 1 (CHAPTERS 1, 2, 3 & 4) QUESTIONS AND ANSWERS |
COMPLETE STUDY GUIDE 2026/2027
Biology is ___________.
A) mostly a collection of facts that can be ordered & memorized
B) the study of living things
C) always used responsibly in advertising claims
D) based on preconceptions and biases - ANS ✔✔B
Biological literacy is the ability to:
A)use the process of scientific inquiry to think creatively about real-world issues that have a biological
component.
B)communicate ideas about biology to others.
C)integrate ideas about biology into your decision-making.
D)all of the above are components of biological literacy. - ANS ✔✔D
Scientific study always begins with:
A)hypotheses.
B)observations.
C)predictions.
D)experiments. - ANS ✔✔B
A null hypothesis:
A)is the premise that there is no relationship between 2 variables.
B)is the premise that treatment groups were not adequately controlled.
C)results from an improperly controlled experiment.
D)is a hypothesis that the experimenter hopes will be falsified. - ANS ✔✔A
Science is self-correcting. This means that:
A)science actively seeks to disprove its own theories and hypotheses.
B)science is incapable of producing mistaken beliefs if its studies are carefully done.
C)scientists correct their own biases before engaging in scientific study.
D)when scientists make mistakes in their statistical analyses, their statistical software always catches
those mistakes. - ANS ✔✔A
In a randomized, controlled, double-blind study:
A)neither the experimneter nor the sudject know whether the subject is in a control group or an
experimental group.
B)experimental subjects are blindfolded when given the experimental treatment.
, C)all experimental variables are held constant.
D)all of the above. - ANS ✔✔A
If a researcher uses the same experimental setup as another study to collect data, but uses different
research subjects, it is considered:
A)exploration
B)a 2-tailed test of the hypothesis.
C)inductive reasoning.
D)replication. - ANS ✔✔D
"Engaging in aerobic activity 3 times each week will reduce cholesterol levels" is a:
A)control group.
B)testable hypothesis.
C)scientific control.
D)critical experiment. - ANS ✔✔B
The purpose of the experimentation phase of the scientific method is to:
A)gather preliminary data from which a hypothesis can be made.
B)formulate a null hypothesis.
C)make predictive, testable statements about observations.
D)gather evidence to support or reject a hypothesis. - ANS ✔✔D
____________ is the smallest unit of matter that cannot be subdivided without losing essential
properties.
A)a cell
B)a molecule
C)an atom
D)a proton - ANS ✔✔C
The 4 most abundant elements living organisms are:
A)carbon, nitrogen, oxygen, and calcium
B)carbon, nitrogen, potassium, and oxygen
C)hydrogen, nitrogen, oxygen, and carbon
D)carbon, hydrogen, nitrogen, and phosphorus - ANS ✔✔C
1 important difference between covalent and ionic bonds is that:
A)ionic bonds are much stronger than covalent bonds.
B)in ionic bonds 2 atoms share electrons, whereas in covalent bonds one atom transfers 1 or more
electrons to the other atom.
C)in covalent bonds 2 atoms share electrons, whereas in ionic bonds 1 atom transfers 1 or more
electrons to the other atom.
COMPLETE STUDY GUIDE 2026/2027
Biology is ___________.
A) mostly a collection of facts that can be ordered & memorized
B) the study of living things
C) always used responsibly in advertising claims
D) based on preconceptions and biases - ANS ✔✔B
Biological literacy is the ability to:
A)use the process of scientific inquiry to think creatively about real-world issues that have a biological
component.
B)communicate ideas about biology to others.
C)integrate ideas about biology into your decision-making.
D)all of the above are components of biological literacy. - ANS ✔✔D
Scientific study always begins with:
A)hypotheses.
B)observations.
C)predictions.
D)experiments. - ANS ✔✔B
A null hypothesis:
A)is the premise that there is no relationship between 2 variables.
B)is the premise that treatment groups were not adequately controlled.
C)results from an improperly controlled experiment.
D)is a hypothesis that the experimenter hopes will be falsified. - ANS ✔✔A
Science is self-correcting. This means that:
A)science actively seeks to disprove its own theories and hypotheses.
B)science is incapable of producing mistaken beliefs if its studies are carefully done.
C)scientists correct their own biases before engaging in scientific study.
D)when scientists make mistakes in their statistical analyses, their statistical software always catches
those mistakes. - ANS ✔✔A
In a randomized, controlled, double-blind study:
A)neither the experimneter nor the sudject know whether the subject is in a control group or an
experimental group.
B)experimental subjects are blindfolded when given the experimental treatment.
, C)all experimental variables are held constant.
D)all of the above. - ANS ✔✔A
If a researcher uses the same experimental setup as another study to collect data, but uses different
research subjects, it is considered:
A)exploration
B)a 2-tailed test of the hypothesis.
C)inductive reasoning.
D)replication. - ANS ✔✔D
"Engaging in aerobic activity 3 times each week will reduce cholesterol levels" is a:
A)control group.
B)testable hypothesis.
C)scientific control.
D)critical experiment. - ANS ✔✔B
The purpose of the experimentation phase of the scientific method is to:
A)gather preliminary data from which a hypothesis can be made.
B)formulate a null hypothesis.
C)make predictive, testable statements about observations.
D)gather evidence to support or reject a hypothesis. - ANS ✔✔D
____________ is the smallest unit of matter that cannot be subdivided without losing essential
properties.
A)a cell
B)a molecule
C)an atom
D)a proton - ANS ✔✔C
The 4 most abundant elements living organisms are:
A)carbon, nitrogen, oxygen, and calcium
B)carbon, nitrogen, potassium, and oxygen
C)hydrogen, nitrogen, oxygen, and carbon
D)carbon, hydrogen, nitrogen, and phosphorus - ANS ✔✔C
1 important difference between covalent and ionic bonds is that:
A)ionic bonds are much stronger than covalent bonds.
B)in ionic bonds 2 atoms share electrons, whereas in covalent bonds one atom transfers 1 or more
electrons to the other atom.
C)in covalent bonds 2 atoms share electrons, whereas in ionic bonds 1 atom transfers 1 or more
electrons to the other atom.
