Biology 1201 Final Exam 2025, Bio 1201 Test Bank,
Biology Exam Questions and Answers, Introductory
Biology Final, Biology 1201 Study Guide, College
Biology Test Bank, Biology 1201 Review
/. Which four elements make up approximately 96% of living matter?
A) Carbon, hydrogen, oxygen, and nitrogen
B) Sodium, potassium, calcium, and iron
C) Water, oxygen, carbon dioxide, and salt
D) Calcium, phosphorus, potassium, and sulfur - Answer-A) Carbon, hydrogen, oxygen,
and nitrogen
/.What is the atomic number of an element?
A) The number of protons
B) The number of neutrons
C) The sum of protons and neutrons
D) The number of valence electrons - Answer-A) The number of protons
/.How do isotopes of an element differ?
A) In their number of protons
B) In their number of electrons
C) In their number of neutrons
D) In their atomic number - Answer-C) In their number of neutrons
/.What type of bond involves the sharing of electrons between atoms?
A) lonic bond
B) Hydrogen bond
C) Covalent bond
D) Van der Waals interaction - Answer-C) Covalent bond
/.A hydrogen bond can form between:
A) Two hydrogens in the same molecule
B) The hydrogen of one molecule and an electronegative atom of another
,C) Two carbon atoms
D) Two positively charged ions - Answer-B) The hydrogen of one molecule and an
electronegative atom of another
/.CHAPTER 3: Water and Life
Which property of water is most directly responsible for the ability of insects to walk on
water?
A) Specific heat
B) Adhesion
C) Surface tension
D) Heat of vaporization - Answer-C) Surface tension
/.Water's high specific heat helps to:
A) Dissolve all substances
B) Buffer pH in cells
C) Stabilize ocean temperatures
D) Heat quickly for enzyme activity - Answer-C) Stabilize ocean temperatures
/.What causes water to be polar?
A) Equal sharing of electrons
B) Its hydrogen bonds
C) Unequal sharing of electrons between hydrogen and oxygen
D) Nonpolar covalent bonds - Answer-C) Unequal sharing of electrons between
hydrogen and oxygen
/.What is the pH of a solution with a hydrogen ion concentration of 10^-7 M?
A) 3
B) 5
C) 7
D) 9 - Answer-C) 7
/.A buffer is a substance that:
A) Speeds up chemical reactions
B) Minimizes changes in pH
C) Neutralizes water
D) Removes ions from solution - Answer-B) Minimizes changes in pH
/.CHAPTER 4: Carbon and the Molecular Diversity of Life
Carbon can form how many covalent bonds?
,A) 2
B) 4
C6
D) 8 - Answer-B) 4
/.Which functional group is characteristic of alcohols?
A) Carbonyl
B) Hydroxyl
C) Amino
D) Carboxyl - Answer-B) Hydroxyl
/.Isomers are molecules that:
A) Have the same chemical formula but different structures
B) Have different chemical formulas and same structures
C) Contain different numbers of electrons
D) Are mirror images with identical functions - Answer-A) Have the same chemical
formula but different structures
/.What type of isomer differs in spatial arrangement around a double bond?
A) Structural isomers
B) Enantiomers
C) Geometric isomers
D) Hydrophilic isomers - Answer-C) Geometric isomers
/.Which of the following is true about ATP?
A) It stores energy in the ribose sugar
B) It is a nucleotide with 3 phosphate groups
C) It does not contain nitrogen
D) It releases energy by breaking hydrogen bonds - Answer-B) It is a nucleotide with 3
phosphate groups
/.CHAPTER 5: Structure and Function of Large Biological
Molecules
Which class of macromolecules includes enzymes?
A) Lipids
B) Nucleic acids
C) Proteins
D) Carbohydrates - Answer-C) Proteins
, /.Monomers of proteins are called:
A) Nucleotides
B) Monosaccharides
C) Amino acids
D) Fatty acids - Answer-C) Amino acids
/.The primary structure of a protein is its:
A) 3D folded shape
B) Sequence of amino acids
C) Alpha helices and beta sheets
D) Disulfide bridges - Answer-B) Sequence of amino acids
/.DNA is made up of which monomers?
A) Amino acids
B) Nucleotides
C) Sugars
D) Fatty acids - Answer-B) Nucleotides
/.Which macromolecule is not a true polymer?
A) Carbohydrates
B) Proteins
C) Lipids
D) Nucleic acids - Answer-C) Lipids
/.Which level of protein structure involves interactions between R groups?
A) Primary
B) Secondary
C) Tertiary
D) Quaternary - Answer-C) Tertiary
/.CHAPTER 6: A Tour of the Cell
Which structure is found in both prokaryotic and eukaryotic cells?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Endoplasmic reticulum - Answer-C) Ribosomes
/.The nucleus is surrounded by:
Biology Exam Questions and Answers, Introductory
Biology Final, Biology 1201 Study Guide, College
Biology Test Bank, Biology 1201 Review
/. Which four elements make up approximately 96% of living matter?
A) Carbon, hydrogen, oxygen, and nitrogen
B) Sodium, potassium, calcium, and iron
C) Water, oxygen, carbon dioxide, and salt
D) Calcium, phosphorus, potassium, and sulfur - Answer-A) Carbon, hydrogen, oxygen,
and nitrogen
/.What is the atomic number of an element?
A) The number of protons
B) The number of neutrons
C) The sum of protons and neutrons
D) The number of valence electrons - Answer-A) The number of protons
/.How do isotopes of an element differ?
A) In their number of protons
B) In their number of electrons
C) In their number of neutrons
D) In their atomic number - Answer-C) In their number of neutrons
/.What type of bond involves the sharing of electrons between atoms?
A) lonic bond
B) Hydrogen bond
C) Covalent bond
D) Van der Waals interaction - Answer-C) Covalent bond
/.A hydrogen bond can form between:
A) Two hydrogens in the same molecule
B) The hydrogen of one molecule and an electronegative atom of another
,C) Two carbon atoms
D) Two positively charged ions - Answer-B) The hydrogen of one molecule and an
electronegative atom of another
/.CHAPTER 3: Water and Life
Which property of water is most directly responsible for the ability of insects to walk on
water?
A) Specific heat
B) Adhesion
C) Surface tension
D) Heat of vaporization - Answer-C) Surface tension
/.Water's high specific heat helps to:
A) Dissolve all substances
B) Buffer pH in cells
C) Stabilize ocean temperatures
D) Heat quickly for enzyme activity - Answer-C) Stabilize ocean temperatures
/.What causes water to be polar?
A) Equal sharing of electrons
B) Its hydrogen bonds
C) Unequal sharing of electrons between hydrogen and oxygen
D) Nonpolar covalent bonds - Answer-C) Unequal sharing of electrons between
hydrogen and oxygen
/.What is the pH of a solution with a hydrogen ion concentration of 10^-7 M?
A) 3
B) 5
C) 7
D) 9 - Answer-C) 7
/.A buffer is a substance that:
A) Speeds up chemical reactions
B) Minimizes changes in pH
C) Neutralizes water
D) Removes ions from solution - Answer-B) Minimizes changes in pH
/.CHAPTER 4: Carbon and the Molecular Diversity of Life
Carbon can form how many covalent bonds?
,A) 2
B) 4
C6
D) 8 - Answer-B) 4
/.Which functional group is characteristic of alcohols?
A) Carbonyl
B) Hydroxyl
C) Amino
D) Carboxyl - Answer-B) Hydroxyl
/.Isomers are molecules that:
A) Have the same chemical formula but different structures
B) Have different chemical formulas and same structures
C) Contain different numbers of electrons
D) Are mirror images with identical functions - Answer-A) Have the same chemical
formula but different structures
/.What type of isomer differs in spatial arrangement around a double bond?
A) Structural isomers
B) Enantiomers
C) Geometric isomers
D) Hydrophilic isomers - Answer-C) Geometric isomers
/.Which of the following is true about ATP?
A) It stores energy in the ribose sugar
B) It is a nucleotide with 3 phosphate groups
C) It does not contain nitrogen
D) It releases energy by breaking hydrogen bonds - Answer-B) It is a nucleotide with 3
phosphate groups
/.CHAPTER 5: Structure and Function of Large Biological
Molecules
Which class of macromolecules includes enzymes?
A) Lipids
B) Nucleic acids
C) Proteins
D) Carbohydrates - Answer-C) Proteins
, /.Monomers of proteins are called:
A) Nucleotides
B) Monosaccharides
C) Amino acids
D) Fatty acids - Answer-C) Amino acids
/.The primary structure of a protein is its:
A) 3D folded shape
B) Sequence of amino acids
C) Alpha helices and beta sheets
D) Disulfide bridges - Answer-B) Sequence of amino acids
/.DNA is made up of which monomers?
A) Amino acids
B) Nucleotides
C) Sugars
D) Fatty acids - Answer-B) Nucleotides
/.Which macromolecule is not a true polymer?
A) Carbohydrates
B) Proteins
C) Lipids
D) Nucleic acids - Answer-C) Lipids
/.Which level of protein structure involves interactions between R groups?
A) Primary
B) Secondary
C) Tertiary
D) Quaternary - Answer-C) Tertiary
/.CHAPTER 6: A Tour of the Cell
Which structure is found in both prokaryotic and eukaryotic cells?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Endoplasmic reticulum - Answer-C) Ribosomes
/.The nucleus is surrounded by:
