BIO 168 UPDATED EXAMS TEST PAPER
QUESTIONS AND ANSWERS SURE A+
✔✔What results when anabolism occurs more than catabolism in an organism?
A) excretion
B) growth
C) irritability
D) movement - ✔✔B) Growth
✔✔When we imagine a person exhibiting the anatomical position, the palms of the
hands are assumed to be facing:
A) to the side
B) backward
C) forward
D) down - ✔✔C) Forward
✔✔Which of the following illustrates a gradient?
A) equal amounts of something exist in areas that are connected
B) equilibrium or balance between two unconnected areas
C) maintenance of a relatively stable internal environment
,D) more of something exists in one area than another and the two areas are connected
- ✔✔D) more of something exists in one area than another and the two areas are
connected
✔✔Which of the following is the most complex structural level of organization?
A) cellular level
B) organ level
C) chemical level
D) tissue level - ✔✔B) organ level
✔✔Which region of the abdominopelvic cavity lies between the right and left lumbar
regions?
A) hypogastric region
B) epigastric region
C) umbilical region
D) right lumbar region - ✔✔C) umbilical region
✔✔Which two organ systems include the pancreas as a component?
A) endocrine and lymphatic systems
B) respiratory and cardiovascular systems
C) digestive and urinary systems
D) digestive and endocrine systems - ✔✔D) digestive and endocrine systems
✔✔Atoms that satisfy the octet rule are said to be:
A) isotopes
B) ions
C) reactive
D) inert - ✔✔D) inert
✔✔In a molecule of oxygen gas, the atoms of oxygen share electrons equally with one
another. This statement best describes a(n):
A) nonpolar covalent bond
B) polar covalent bond
C) compound
D) sionic bond - ✔✔A) nonpolar covalent bond
✔✔In the following chemical reaction, what is NaCl?
NaOH + HCl → NaCl + H2O
A) product
B) acid
C) water
D) reactant - ✔✔A) product
✔✔Ionic compounds dissociate in water into:
, A) polar and nonpolar substances
B) electrolytes
C) acids and bases
D) hydrophilic and hydrophobic substances - ✔✔B) electrolytes
✔✔The atomic number represents the number of:
A) electrons in an atom
B) protons in an atom
C) protons and neutrons in the nucleus of an atom
D) neutrons in an atom - ✔✔
✔✔The formation of a cation and an anion is indicative of a(n):
A) nonpolar bond
B) polar bond
C) covalent bond
D) ionic bond - ✔✔D) ionic bond
✔✔The four most common elements, comprising 96% of the body's mass, are:
A) oxygen, potassium, iron, copper
B) chlorine, sodium, magnesium, potassium
C) carbon, sodium, phosphorus, sulfur
D) oxygen, nitrogen, hydrogen, carbon - ✔✔D) oxygen, nitrogen, hydrogen, carbon.
✔✔The innermost shell of an atom holds:
A) 6 electrons
B) 2 protons
C) 2 electrons
D) 8 electron - ✔✔C) 2 electrons
✔✔The main structural component of cell membranes is:
A) phospholipids
B) cholesterol
C) steroids
D) triglycerides - ✔✔A) phospholipids
✔✔The primary source of chemical energy in the body comes from a nucleotide known
as:
A) DNA
B) ADP
C) ATP
D) AMP - ✔✔C) ATP
✔✔What group makes each amino acid unique?
A) carboxylic acid group
QUESTIONS AND ANSWERS SURE A+
✔✔What results when anabolism occurs more than catabolism in an organism?
A) excretion
B) growth
C) irritability
D) movement - ✔✔B) Growth
✔✔When we imagine a person exhibiting the anatomical position, the palms of the
hands are assumed to be facing:
A) to the side
B) backward
C) forward
D) down - ✔✔C) Forward
✔✔Which of the following illustrates a gradient?
A) equal amounts of something exist in areas that are connected
B) equilibrium or balance between two unconnected areas
C) maintenance of a relatively stable internal environment
,D) more of something exists in one area than another and the two areas are connected
- ✔✔D) more of something exists in one area than another and the two areas are
connected
✔✔Which of the following is the most complex structural level of organization?
A) cellular level
B) organ level
C) chemical level
D) tissue level - ✔✔B) organ level
✔✔Which region of the abdominopelvic cavity lies between the right and left lumbar
regions?
A) hypogastric region
B) epigastric region
C) umbilical region
D) right lumbar region - ✔✔C) umbilical region
✔✔Which two organ systems include the pancreas as a component?
A) endocrine and lymphatic systems
B) respiratory and cardiovascular systems
C) digestive and urinary systems
D) digestive and endocrine systems - ✔✔D) digestive and endocrine systems
✔✔Atoms that satisfy the octet rule are said to be:
A) isotopes
B) ions
C) reactive
D) inert - ✔✔D) inert
✔✔In a molecule of oxygen gas, the atoms of oxygen share electrons equally with one
another. This statement best describes a(n):
A) nonpolar covalent bond
B) polar covalent bond
C) compound
D) sionic bond - ✔✔A) nonpolar covalent bond
✔✔In the following chemical reaction, what is NaCl?
NaOH + HCl → NaCl + H2O
A) product
B) acid
C) water
D) reactant - ✔✔A) product
✔✔Ionic compounds dissociate in water into:
, A) polar and nonpolar substances
B) electrolytes
C) acids and bases
D) hydrophilic and hydrophobic substances - ✔✔B) electrolytes
✔✔The atomic number represents the number of:
A) electrons in an atom
B) protons in an atom
C) protons and neutrons in the nucleus of an atom
D) neutrons in an atom - ✔✔
✔✔The formation of a cation and an anion is indicative of a(n):
A) nonpolar bond
B) polar bond
C) covalent bond
D) ionic bond - ✔✔D) ionic bond
✔✔The four most common elements, comprising 96% of the body's mass, are:
A) oxygen, potassium, iron, copper
B) chlorine, sodium, magnesium, potassium
C) carbon, sodium, phosphorus, sulfur
D) oxygen, nitrogen, hydrogen, carbon - ✔✔D) oxygen, nitrogen, hydrogen, carbon.
✔✔The innermost shell of an atom holds:
A) 6 electrons
B) 2 protons
C) 2 electrons
D) 8 electron - ✔✔C) 2 electrons
✔✔The main structural component of cell membranes is:
A) phospholipids
B) cholesterol
C) steroids
D) triglycerides - ✔✔A) phospholipids
✔✔The primary source of chemical energy in the body comes from a nucleotide known
as:
A) DNA
B) ADP
C) ATP
D) AMP - ✔✔C) ATP
✔✔What group makes each amino acid unique?
A) carboxylic acid group
