Biology Practice Test Questions with
100% Correct Answers
In the hierarchic system of classification, which of the following is the least inclusive? -
ANSWERSspecies
After observing an event, you develop an explanation. This statement is referred to as
which of the following? - ANSWERShypothesis
A molecule of water is bonded with another molecule of water by what type of bond? -
ANSWERShydrogen
Which of the following is a benefit of the intermolecular hydrogen bonding of water? -
ANSWERSWater has a relatively high specific heat value, water has strong cohesive
and adhesive properties, polarity of water allows it to act as a versatile solvent
Of all the molecules that are significant to biology, which of the following are considered
the most important? - ANSWERScarbohydrates, lipids, protein, and nucleic acids
Lipids are better known as fats, but what are they specifically? - ANSWERSfatty acids,
phospholipids, steroids
What are the two categories of fatty acids? - ANSWERSsaturated fats and unsaturated
fats
How do phospholipids function in cells? - ANSWERSthey are integral components of
the plasma membrane
Which of the biologic molecules are considered the most significant contributions to the
cellular function? - ANSWERSproteins
Proteins are polymers of which of the following? - ANSWERSamino acids
Which of the following proteins catalyze different reactions or processes? -
ANSWERSenzyme
Which of the biologic molecules are components of the molecules of inheritance? -
ANSWERSnucleic acids
What is the sum of all chemical reactions that occur in an organism? -
ANSWERSmetabolism
100% Correct Answers
In the hierarchic system of classification, which of the following is the least inclusive? -
ANSWERSspecies
After observing an event, you develop an explanation. This statement is referred to as
which of the following? - ANSWERShypothesis
A molecule of water is bonded with another molecule of water by what type of bond? -
ANSWERShydrogen
Which of the following is a benefit of the intermolecular hydrogen bonding of water? -
ANSWERSWater has a relatively high specific heat value, water has strong cohesive
and adhesive properties, polarity of water allows it to act as a versatile solvent
Of all the molecules that are significant to biology, which of the following are considered
the most important? - ANSWERScarbohydrates, lipids, protein, and nucleic acids
Lipids are better known as fats, but what are they specifically? - ANSWERSfatty acids,
phospholipids, steroids
What are the two categories of fatty acids? - ANSWERSsaturated fats and unsaturated
fats
How do phospholipids function in cells? - ANSWERSthey are integral components of
the plasma membrane
Which of the biologic molecules are considered the most significant contributions to the
cellular function? - ANSWERSproteins
Proteins are polymers of which of the following? - ANSWERSamino acids
Which of the following proteins catalyze different reactions or processes? -
ANSWERSenzyme
Which of the biologic molecules are components of the molecules of inheritance? -
ANSWERSnucleic acids
What is the sum of all chemical reactions that occur in an organism? -
ANSWERSmetabolism
