Bio 100a Final Exam Questions With Complete Solutions
The study of living things is called:
A)botany.
B)zoology.
C)archaeology.
D)biology.
E)geology. - (ANSWER)D) Biology
Which of the following statements could not arise from making scientific observations?
A)The hair on my legs grew to a length of 1 cm in 3 days after shaving it off.
B)Human twins have exactly the same DNA.
C)The quartz crystal I had in my pocket today increased the likelihood of life being discovered on other
planets by ten times.
D)There are tiny creatures visible under a microscope that can't be seen by the naked eye.
E)I sneezed two separate times today; both times, I sneezed three sneezes in a row. - (ANSWER)c)The
quartz crystal I had in my pocket today increased the likelihood of life being discovered on other planets
by ten times.
Scientific study always begins with:
A)
hypotheses.
B)
conclusions.
C)
experiments.
D)
observations.
E)
data. - (ANSWER)D) Observations
,Bio 100a Final Exam Questions With Complete Solutions
If your hypothesis is, "Echinacea reduces the duration and severity of the symptoms of the common
cold," what is your null hypothesis?
A)
Vitamin C reduces the duration and severity of the symptoms of the common cold.
B)
Echinacea increases the duration and severity of the symptoms of the common cold.
C)
Echinacea has no effect on the duration and severity of the symptoms of the common cold.
D)
Echinacea reduces the duration and severity of the symptoms of the flu.
E)
Vitamin C increases the duration and severity of the symptoms of the common cold. -
(ANSWER)C)Echinacea has no effect on the duration and severity of the symptoms of the common cold.
A company wants to determine the effect of an herbicide on a species of a common weed. Thirty total
plants are tested. Fifteen plants are treated with the herbicide, and 15 plants are not. Which of the
following would describe a controlled variable in this experiment?
A)
only one species of plant is used in the experiment
B)
the 15 plants not treated with herbicide
C)
the 15 plants treated with the herbicide
D)
only one herbicide is being used in the experiment
E)
the number of total plants tested - (ANSWER)A)
only one species of plant is used in the experimen
,Bio 100a Final Exam Questions With Complete Solutions
Which of the following statements can be supported by science?
Your yellow T-shirt is "lucky."
B)
Your religion is the only valid religion.
C)
Your friend failed his last quiz because he didn't use his favorite pen.
D)
It is unethical to clone human embryos.
E)
It is not possible to catch autism from a vaccination. - (ANSWER)E)It is not possible to catch autism from
a vaccination
Viruses contain genetic material, and they can evolve over time. However, they also must use the
machinery of the cells they invade to reproduce and do not carry out any metabolic processes on their
own. Based on this description, should viruses be classified as "living?"
A)
Yes. Reproduction is one of the characteristics of living organisms.
B)
Yes. Not all living things conduct metabolic activities.
C)
Yes. Viruses have the ability to adapt and change.
D)
Yes. Viruses contain genetic material, just like other living things.
E)
No. Viruses cannot reproduce or conduct metabolic functions on their own. - (ANSWER)E)
No. Viruses cannot reproduce or conduct metabolic functions on their own.
, Bio 100a Final Exam Questions With Complete Solutions
Which particle orbits the nucleus of an atom?
A)
proton
B)
neutron
C)
electron
D)
nucleotide
E)
photon - (ANSWER)C)
electron
Carbon (C) has the atomic number 6 and an atomic weight of 12.0107. How many protons are in a
carbon atom?
A)
6
B)
12
C)
12.0107
D)18
E)24 - (ANSWER)A) 6
Which term and definition are correctly paired?
A)
atom: a substance that cannot be broken down chemically into any other substances
The study of living things is called:
A)botany.
B)zoology.
C)archaeology.
D)biology.
E)geology. - (ANSWER)D) Biology
Which of the following statements could not arise from making scientific observations?
A)The hair on my legs grew to a length of 1 cm in 3 days after shaving it off.
B)Human twins have exactly the same DNA.
C)The quartz crystal I had in my pocket today increased the likelihood of life being discovered on other
planets by ten times.
D)There are tiny creatures visible under a microscope that can't be seen by the naked eye.
E)I sneezed two separate times today; both times, I sneezed three sneezes in a row. - (ANSWER)c)The
quartz crystal I had in my pocket today increased the likelihood of life being discovered on other planets
by ten times.
Scientific study always begins with:
A)
hypotheses.
B)
conclusions.
C)
experiments.
D)
observations.
E)
data. - (ANSWER)D) Observations
,Bio 100a Final Exam Questions With Complete Solutions
If your hypothesis is, "Echinacea reduces the duration and severity of the symptoms of the common
cold," what is your null hypothesis?
A)
Vitamin C reduces the duration and severity of the symptoms of the common cold.
B)
Echinacea increases the duration and severity of the symptoms of the common cold.
C)
Echinacea has no effect on the duration and severity of the symptoms of the common cold.
D)
Echinacea reduces the duration and severity of the symptoms of the flu.
E)
Vitamin C increases the duration and severity of the symptoms of the common cold. -
(ANSWER)C)Echinacea has no effect on the duration and severity of the symptoms of the common cold.
A company wants to determine the effect of an herbicide on a species of a common weed. Thirty total
plants are tested. Fifteen plants are treated with the herbicide, and 15 plants are not. Which of the
following would describe a controlled variable in this experiment?
A)
only one species of plant is used in the experiment
B)
the 15 plants not treated with herbicide
C)
the 15 plants treated with the herbicide
D)
only one herbicide is being used in the experiment
E)
the number of total plants tested - (ANSWER)A)
only one species of plant is used in the experimen
,Bio 100a Final Exam Questions With Complete Solutions
Which of the following statements can be supported by science?
Your yellow T-shirt is "lucky."
B)
Your religion is the only valid religion.
C)
Your friend failed his last quiz because he didn't use his favorite pen.
D)
It is unethical to clone human embryos.
E)
It is not possible to catch autism from a vaccination. - (ANSWER)E)It is not possible to catch autism from
a vaccination
Viruses contain genetic material, and they can evolve over time. However, they also must use the
machinery of the cells they invade to reproduce and do not carry out any metabolic processes on their
own. Based on this description, should viruses be classified as "living?"
A)
Yes. Reproduction is one of the characteristics of living organisms.
B)
Yes. Not all living things conduct metabolic activities.
C)
Yes. Viruses have the ability to adapt and change.
D)
Yes. Viruses contain genetic material, just like other living things.
E)
No. Viruses cannot reproduce or conduct metabolic functions on their own. - (ANSWER)E)
No. Viruses cannot reproduce or conduct metabolic functions on their own.
, Bio 100a Final Exam Questions With Complete Solutions
Which particle orbits the nucleus of an atom?
A)
proton
B)
neutron
C)
electron
D)
nucleotide
E)
photon - (ANSWER)C)
electron
Carbon (C) has the atomic number 6 and an atomic weight of 12.0107. How many protons are in a
carbon atom?
A)
6
B)
12
C)
12.0107
D)18
E)24 - (ANSWER)A) 6
Which term and definition are correctly paired?
A)
atom: a substance that cannot be broken down chemically into any other substances
