BIO 105 Final Exam Melton Questions
and Correct Updated Answers 2025-
2026 Updated.
Research study: to analyze the effects of music on plant growth, one group of plants were
grown in a room with classical music playing, while another group of identical plants grew in a
silent room. After six weeks, their growth was measured. Both groups received identical
amounts of light and water during the study. Which of the following is the Dependent Variable?
A) music played
B) plant growth
C) water provided
D) light provided
E) species of plant - Answer B) plant growth
which of the following can Science NOT answer?
A) do female quail prefer males with bright eye stripes?
B) what is the rate of climate change?
C) can microbes cause disease?
D) is God real?
E) what is the density of deer in Sam Houston Park? - Answer D) is God real?
Which of the following is a primary source of scientific literature?
A) Facebook
B) Science Magazine
C) Journal of the American Medical Association (JAMA)
D) The American Press
E) None of the above - Answer C) Journal of the American Medical Association (JAMA)
The Harvard Nurses study which studies the health of over 280,000 nurses over the past 40
years is an example of _____.
A) Meta-analysis
B) Cohort study
,C) Case-controlled study
D) Peer-reviewed study - Answer B) Cohort study
An unchanged atom of argon has an atomic number of 18 and an atomic mass of 40. This atom
has ____ protons, _____ neutrons, and _____ electrons.
A) 18, 18, & 18
B) 18, 40, & 40
C) 18, 22, & 18
D) 18, 22, & 40
E) 40, 40, & 18 - Answer C) 18, 22, & 18
If tomato juice has a pH of 4 and human saliva has a pH of about 7. How many times more
acidic is tomato juice?
A)1x
B)10x
C)100x
D)1,000x
E)10,000x - Answer D)1,000x
If one strand of DNA contains the sequence listed below, what is the sequence of the
complementary strand? ... AACGTAG
A) AACGTAG
B) TTGCATC
C) GATGCAA
D) GGATCGT
E) AACGUAG - Answer B) TTGCATC
Which of the following requires energy expenditure?
A) Osmosis
B) facilitated diffusion
C) (simple) diffusion
D) passive diffusion
, E) active transport - Answer E) active transport
Which of the following is NOT found in a plant cell?
A) chloroplasts
B) cell (plasma) membrane
C) cell wall
D) lysosomes
E) central vacuole - Answer D) lysosomes
Which of the following is/are an alternative(s) to fossil fuels and can be derived from plants?
A) cellulosic ethanol
B) bioethanol
C) biodiesel
D) all of the above - Answer D) all of the above
Which of the following stages of cellular respiration yields the greatest ATP production?
A) glycolysis
B) citric acid (Kreb's) cycle
C) electron transport chain - Answer C) electron transport chain
Which stage of cellular respiration can function without oxygen?
A) glycolysis
B) citric acid cycle
C) electron transport chain - Answer A) glycolysis
Which phase of the cell cycle does a typical cell spend most of its time?
A) interphase
B) mitosis
C) cytokinesis - Answer A) interphase
and Correct Updated Answers 2025-
2026 Updated.
Research study: to analyze the effects of music on plant growth, one group of plants were
grown in a room with classical music playing, while another group of identical plants grew in a
silent room. After six weeks, their growth was measured. Both groups received identical
amounts of light and water during the study. Which of the following is the Dependent Variable?
A) music played
B) plant growth
C) water provided
D) light provided
E) species of plant - Answer B) plant growth
which of the following can Science NOT answer?
A) do female quail prefer males with bright eye stripes?
B) what is the rate of climate change?
C) can microbes cause disease?
D) is God real?
E) what is the density of deer in Sam Houston Park? - Answer D) is God real?
Which of the following is a primary source of scientific literature?
A) Facebook
B) Science Magazine
C) Journal of the American Medical Association (JAMA)
D) The American Press
E) None of the above - Answer C) Journal of the American Medical Association (JAMA)
The Harvard Nurses study which studies the health of over 280,000 nurses over the past 40
years is an example of _____.
A) Meta-analysis
B) Cohort study
,C) Case-controlled study
D) Peer-reviewed study - Answer B) Cohort study
An unchanged atom of argon has an atomic number of 18 and an atomic mass of 40. This atom
has ____ protons, _____ neutrons, and _____ electrons.
A) 18, 18, & 18
B) 18, 40, & 40
C) 18, 22, & 18
D) 18, 22, & 40
E) 40, 40, & 18 - Answer C) 18, 22, & 18
If tomato juice has a pH of 4 and human saliva has a pH of about 7. How many times more
acidic is tomato juice?
A)1x
B)10x
C)100x
D)1,000x
E)10,000x - Answer D)1,000x
If one strand of DNA contains the sequence listed below, what is the sequence of the
complementary strand? ... AACGTAG
A) AACGTAG
B) TTGCATC
C) GATGCAA
D) GGATCGT
E) AACGUAG - Answer B) TTGCATC
Which of the following requires energy expenditure?
A) Osmosis
B) facilitated diffusion
C) (simple) diffusion
D) passive diffusion
, E) active transport - Answer E) active transport
Which of the following is NOT found in a plant cell?
A) chloroplasts
B) cell (plasma) membrane
C) cell wall
D) lysosomes
E) central vacuole - Answer D) lysosomes
Which of the following is/are an alternative(s) to fossil fuels and can be derived from plants?
A) cellulosic ethanol
B) bioethanol
C) biodiesel
D) all of the above - Answer D) all of the above
Which of the following stages of cellular respiration yields the greatest ATP production?
A) glycolysis
B) citric acid (Kreb's) cycle
C) electron transport chain - Answer C) electron transport chain
Which stage of cellular respiration can function without oxygen?
A) glycolysis
B) citric acid cycle
C) electron transport chain - Answer A) glycolysis
Which phase of the cell cycle does a typical cell spend most of its time?
A) interphase
B) mitosis
C) cytokinesis - Answer A) interphase
