BIO 101 EXAM 2 NVCC COMPREHENSIVE
EXAMINATION TEST 2026 FULL Q&A WITH
RATIONALES
⩥ What is the maximum number of single covalent bonds a carbon atom
(atomic number 6) can form with other elements?
A) 1
B) 2
C) 3
D) 4. Answer: D
⩥ The functional group -NH2 is called the ________ group.
A) methyl
B) alcohol
C) amino
D) carboxyl. Answer: C
⩥ Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior
B) Hydrophilic interior and exterior
C) Hydrophobic interior, hydrophilic exterior
D) Hydrophobic interior and exterior. Answer: C
,⩥ Identify the substrate in the following reaction: Sucrose → Fructose +
Glucose
A) Sucrose
B) Fructose
C) Glucose
D) Fructose and glucose. Answer: A
⩥ The elements that make up the bulk of the Human body are...
A) Carbon, Water and Nitrogen
B) Carbon, Hydrogen, Oxygen and Nitrogen,
C) Carbon, Helium, Oxygen, Nitrogen and
D) Carbon, Oxygen, Nitrogen and Iron. Answer: B
⩥ The earth's crust and Human bodies are made of the same elements in
similar amounts.
True
False. Answer: False
⩥ In chemical bonding, when the bonded atoms share electrons, it is
specifically called ________.
A) an ionic bond
B) a covalent bond
, C) a hydrogen bond
D) a polar bond. Answer: A
⩥ The breaking of a large organic molecule into smaller individual
subunits involves multiple ________.
A) hydrolysis reactions
B) osmotic reactions
C) dehydration synthesis reactions
D) hydrosynthetic reactions. Answer: A
⩥ Which of the following is not made from long chains of glucose?
A) Starch
B) Glycerol
C) Glycogen
D) Cellulose. Answer: B
⩥ Proteins are diverse molecules that perform a wide variety of
functions. Which of the following is not a typical function of proteins?
A) Defense
B) Catalyze reactions
C) Movement
D) Energy storage. Answer: D
EXAMINATION TEST 2026 FULL Q&A WITH
RATIONALES
⩥ What is the maximum number of single covalent bonds a carbon atom
(atomic number 6) can form with other elements?
A) 1
B) 2
C) 3
D) 4. Answer: D
⩥ The functional group -NH2 is called the ________ group.
A) methyl
B) alcohol
C) amino
D) carboxyl. Answer: C
⩥ Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior
B) Hydrophilic interior and exterior
C) Hydrophobic interior, hydrophilic exterior
D) Hydrophobic interior and exterior. Answer: C
,⩥ Identify the substrate in the following reaction: Sucrose → Fructose +
Glucose
A) Sucrose
B) Fructose
C) Glucose
D) Fructose and glucose. Answer: A
⩥ The elements that make up the bulk of the Human body are...
A) Carbon, Water and Nitrogen
B) Carbon, Hydrogen, Oxygen and Nitrogen,
C) Carbon, Helium, Oxygen, Nitrogen and
D) Carbon, Oxygen, Nitrogen and Iron. Answer: B
⩥ The earth's crust and Human bodies are made of the same elements in
similar amounts.
True
False. Answer: False
⩥ In chemical bonding, when the bonded atoms share electrons, it is
specifically called ________.
A) an ionic bond
B) a covalent bond
, C) a hydrogen bond
D) a polar bond. Answer: A
⩥ The breaking of a large organic molecule into smaller individual
subunits involves multiple ________.
A) hydrolysis reactions
B) osmotic reactions
C) dehydration synthesis reactions
D) hydrosynthetic reactions. Answer: A
⩥ Which of the following is not made from long chains of glucose?
A) Starch
B) Glycerol
C) Glycogen
D) Cellulose. Answer: B
⩥ Proteins are diverse molecules that perform a wide variety of
functions. Which of the following is not a typical function of proteins?
A) Defense
B) Catalyze reactions
C) Movement
D) Energy storage. Answer: D
