AP BIOLOGY EXAMINATION TEST BANK
SOLVED QUESTIONS AND COMPLETE
ANSWERS
●● 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
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.
d. a pH reading of 7.
●● It is a universal solvent.
Answer: Which of the following is not true about water?
SOLVED QUESTIONS AND COMPLETE
ANSWERS
●● 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
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.
d. a pH reading of 7.
●● It is a universal solvent.
Answer: Which of the following is not true about water?
