Unit 1 AP Bio Test EXAM NEWEST 2025 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
hydrogen bond - (answer)which of the following is most easily broken?
a. hydrogen bond
b. triple covalent bond
c. single covalent bond
d. ionic bond
covalent - (answer)what type of bond is formed when atoms share electrons?
a. ionic
b. covalent
c. hydrogen
all of the above - (answer)water molecules are
a. polar
b. hydrogen bonded to one another
c. cohesive
d. all of the above
Cl - (answer)which of the following elements is not one of the four most common in living organisms
a. C
b. N
c. O
d. Cl
cohesion - (answer)water's property of surface tension is due to
a. cohesion
b. adhesion
c. high specific heat
,Unit 1 AP Bio Test EXAM NEWEST 2025 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
d. ionic bonding
atoms together in molecules, molecules to other molecules - (answer)ionic and covalent bonds attach
___ while hydrogen bonds attach ___
a. molecules to other molecules, atoms together in molecules
b. water molecules to surfaces, water molecules to each other
c. atoms together in molecules, molecules to other molecules
d. water molecules to each other, water molecules to surfaces
the pH goes above 7 - (answer)what a solution becomes increasingly basic
a. the pH goes down
b. the number of H+ ions increases
c. the pH remains the same
d. the pH goes above 7
the number of electrons in the outermost energy level - (answer)the number of bonds that an atom will
make with other atoms is related to
a. the number of electrons in the innermost shell
b.the number of neutrons in the nucleus
c. the number of electrons in the outermost energy level
d. the number of neutrons in the outermost energy level
the pH of water to go down - (answer)When HCl is dissolved in water, it makes H+ ions and Cl- ions. This
causes _____.
a. the pH of the water to go up.
b. a pH reading of 15.
c. the pH of the water to go down.
, Unit 1 AP Bio Test EXAM NEWEST 2025 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
d. a pH reading of 7.
It is a universal solvent. - (answer)Which of the following is not true about water?
a. It dissolves other polar molecules.
b. Drops cling together due to hydrogen bonding.
c. It is a universal solvent.
d. It is less dense as a solid than as a liquid.
100X more H+ - (answer)A solution of pH 6 contains ____ than the same amount of solution of pH 8.
a. 4X more H+ c. 100X less H+
b. 100X more H+ d. 2X more H+
Solvent...solute...acidic - (answer)A can of soda consists mostly of sugar dissolved in water, with some
carbon dioxide gas
that makes it fizzy and makes the pH less than 7. In chemical terms you could say that
soda is an aqueous solution, where water is the _____, sugar is an _____, and carbon
dioxide makes the solution _____.
a. Solvent ... solute ...basic
b. Solute ... solvent ...basic
c. Solvent...solute...acidic
d. Solute ... solvent ...acidic
Donates H+ when conditions become too basic and accepts H+ ions when conditions
become too acidic. - (answer)A buffer maintains a stable pH by:
(VERIFIED ANSWERS) |ALREADY GRADED A+
hydrogen bond - (answer)which of the following is most easily broken?
a. hydrogen bond
b. triple covalent bond
c. single covalent bond
d. ionic bond
covalent - (answer)what type of bond is formed when atoms share electrons?
a. ionic
b. covalent
c. hydrogen
all of the above - (answer)water molecules are
a. polar
b. hydrogen bonded to one another
c. cohesive
d. all of the above
Cl - (answer)which of the following elements is not one of the four most common in living organisms
a. C
b. N
c. O
d. Cl
cohesion - (answer)water's property of surface tension is due to
a. cohesion
b. adhesion
c. high specific heat
,Unit 1 AP Bio Test EXAM NEWEST 2025 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
d. ionic bonding
atoms together in molecules, molecules to other molecules - (answer)ionic and covalent bonds attach
___ while hydrogen bonds attach ___
a. molecules to other molecules, atoms together in molecules
b. water molecules to surfaces, water molecules to each other
c. atoms together in molecules, molecules to other molecules
d. water molecules to each other, water molecules to surfaces
the pH goes above 7 - (answer)what a solution becomes increasingly basic
a. the pH goes down
b. the number of H+ ions increases
c. the pH remains the same
d. the pH goes above 7
the number of electrons in the outermost energy level - (answer)the number of bonds that an atom will
make with other atoms is related to
a. the number of electrons in the innermost shell
b.the number of neutrons in the nucleus
c. the number of electrons in the outermost energy level
d. the number of neutrons in the outermost energy level
the pH of water to go down - (answer)When HCl is dissolved in water, it makes H+ ions and Cl- ions. This
causes _____.
a. the pH of the water to go up.
b. a pH reading of 15.
c. the pH of the water to go down.
, Unit 1 AP Bio Test EXAM NEWEST 2025 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
d. a pH reading of 7.
It is a universal solvent. - (answer)Which of the following is not true about water?
a. It dissolves other polar molecules.
b. Drops cling together due to hydrogen bonding.
c. It is a universal solvent.
d. It is less dense as a solid than as a liquid.
100X more H+ - (answer)A solution of pH 6 contains ____ than the same amount of solution of pH 8.
a. 4X more H+ c. 100X less H+
b. 100X more H+ d. 2X more H+
Solvent...solute...acidic - (answer)A can of soda consists mostly of sugar dissolved in water, with some
carbon dioxide gas
that makes it fizzy and makes the pH less than 7. In chemical terms you could say that
soda is an aqueous solution, where water is the _____, sugar is an _____, and carbon
dioxide makes the solution _____.
a. Solvent ... solute ...basic
b. Solute ... solvent ...basic
c. Solvent...solute...acidic
d. Solute ... solvent ...acidic
Donates H+ when conditions become too basic and accepts H+ ions when conditions
become too acidic. - (answer)A buffer maintains a stable pH by:
