Biology 155 Exam 1 Questions
The scientific method can be used to prove a hypothesis
True or False - ✅✅-True
Drug C is being tested for its effectiveness in shortening the duration and severity
of influenza in humans. In designing an experiment to test Drug C, which of the
following would be an important consideration?
a) The experimental group should contain 100 subjects, but the control group
should include 1,000 subjects
b) The experimental group will receive Drug C and the control group will receive
Drug B
c) Participants are chosen at random to be in the experimental or control group
✅✅
d) The experimental group will contain only undergraduates and the control
group will contain only alumni - -The experimental group will receive Drug C
and the control group will receive Drug B
There isn't a question that science cannot address
True or False - ✅✅-False
An anecdote is _____.
a strong supporting fact
a judgment based on verifiable facts
an opinion held by an expert in the field
, a testimonial or short, unverified report - ✅✅-a testimonial or short, unverified
report
Which one of the following statements is TRUE regarding the structure of the
atom?
a) Neutrons carry a negative charge
b) All electrons are located at the same distance from the nucleus
c) The nucleus is composed of equal numbers of positively charged particles
and negatively charged particles
d) Most of the mass of an atom is due to its protons and neutrons - ✅✅-d)
Most of the mass of an atom is due to its protons and neutrons
An example of potential energy is/are:
Correct!
a) bonds that hold atoms together
b) energy utilized while creating new molecules
c) running a marathon
d) dancing - ✅✅-a) bonds that hold atoms together
Which one of the following is TRUE regarding water?
a) Water molecules are attracted to each other by ionic bonds.
The scientific method can be used to prove a hypothesis
True or False - ✅✅-True
Drug C is being tested for its effectiveness in shortening the duration and severity
of influenza in humans. In designing an experiment to test Drug C, which of the
following would be an important consideration?
a) The experimental group should contain 100 subjects, but the control group
should include 1,000 subjects
b) The experimental group will receive Drug C and the control group will receive
Drug B
c) Participants are chosen at random to be in the experimental or control group
✅✅
d) The experimental group will contain only undergraduates and the control
group will contain only alumni - -The experimental group will receive Drug C
and the control group will receive Drug B
There isn't a question that science cannot address
True or False - ✅✅-False
An anecdote is _____.
a strong supporting fact
a judgment based on verifiable facts
an opinion held by an expert in the field
, a testimonial or short, unverified report - ✅✅-a testimonial or short, unverified
report
Which one of the following statements is TRUE regarding the structure of the
atom?
a) Neutrons carry a negative charge
b) All electrons are located at the same distance from the nucleus
c) The nucleus is composed of equal numbers of positively charged particles
and negatively charged particles
d) Most of the mass of an atom is due to its protons and neutrons - ✅✅-d)
Most of the mass of an atom is due to its protons and neutrons
An example of potential energy is/are:
Correct!
a) bonds that hold atoms together
b) energy utilized while creating new molecules
c) running a marathon
d) dancing - ✅✅-a) bonds that hold atoms together
Which one of the following is TRUE regarding water?
a) Water molecules are attracted to each other by ionic bonds.
