BIO 150 Exam Questions and answers
100% correct (122 pgs)
In controlled experiments:
a. one variable is manipulated while others are held constant
b. all variables are held constant
c. all variables are dependent on each other
d. all variables are independent of each other - correct answer ✔a
A placebo:
a. is an urban legend
b. reveals that sugar pills can create a positive treatment result
c. demonstrates that most scientific studies cannot be replicated
d. does not exist - correct answer ✔b
A hypothesis that is created uses which type of reasoning?
a. deductive reasoning
,b. inductive reasoning
c. hypothesis reasoning
d. creative reasoning - correct answer ✔b
Glucose (C6H12O6) is an example of a(n):
a. monosaccharide
b. disaccharide
c. ion
d. polysaccharide - correct answer ✔a
Psyllium seed husk (cellulose) is actually long chains of xylose and arabinose
(2 different sugars) that are repeated over and over. This multi-sugared fiber
is therefore a:
a. monosaccharide
b. disaccharide
c. ion
,d. polysaccharide - correct answer ✔d
Which of the following is NOT a property of water that we discussed in class?
a. cohesion
b. great solvent
c. large heat capacity
d. low heat capacity - correct answer ✔d
From what you know about water, as it evaporates what bonds are broken?
a. ionic bonds
b. hydrogen bonds between the water molecules
c. covalent bonds between the atoms of the water molecules
d. non-polar covalent bonds - correct answer ✔b
Protons are:
a. positive
, b. negative
c. neutral - correct answer ✔a
Electrons are:
a. positive
b. negative
c. neutral - correct answer ✔b
Neutrons are:
a. positive
b. negative
c. neutral - correct answer ✔c
The atomic number of carbon is 6 and its atomic mass is 12, therefore its
nucleus must contain:
a. 6 neutrons and 6 protons
b. 3 neutrons and 3 protons
100% correct (122 pgs)
In controlled experiments:
a. one variable is manipulated while others are held constant
b. all variables are held constant
c. all variables are dependent on each other
d. all variables are independent of each other - correct answer ✔a
A placebo:
a. is an urban legend
b. reveals that sugar pills can create a positive treatment result
c. demonstrates that most scientific studies cannot be replicated
d. does not exist - correct answer ✔b
A hypothesis that is created uses which type of reasoning?
a. deductive reasoning
,b. inductive reasoning
c. hypothesis reasoning
d. creative reasoning - correct answer ✔b
Glucose (C6H12O6) is an example of a(n):
a. monosaccharide
b. disaccharide
c. ion
d. polysaccharide - correct answer ✔a
Psyllium seed husk (cellulose) is actually long chains of xylose and arabinose
(2 different sugars) that are repeated over and over. This multi-sugared fiber
is therefore a:
a. monosaccharide
b. disaccharide
c. ion
,d. polysaccharide - correct answer ✔d
Which of the following is NOT a property of water that we discussed in class?
a. cohesion
b. great solvent
c. large heat capacity
d. low heat capacity - correct answer ✔d
From what you know about water, as it evaporates what bonds are broken?
a. ionic bonds
b. hydrogen bonds between the water molecules
c. covalent bonds between the atoms of the water molecules
d. non-polar covalent bonds - correct answer ✔b
Protons are:
a. positive
, b. negative
c. neutral - correct answer ✔a
Electrons are:
a. positive
b. negative
c. neutral - correct answer ✔b
Neutrons are:
a. positive
b. negative
c. neutral - correct answer ✔c
The atomic number of carbon is 6 and its atomic mass is 12, therefore its
nucleus must contain:
a. 6 neutrons and 6 protons
b. 3 neutrons and 3 protons
