HUMAN BIOLOGY FINAL EXAM QUESTIONS
AND ANSWERS RATED A+
When you eat your dinner each evening, you are best demonstrating which
property of life? - ANSWER-need for energy
The ability of the body to keep blood pressure, body temperature, and other
internal conditions within a relatively narrow range is called: - ANSWER-
homeostasis
In a negative feedback system the response of the effector - ANSWER-eliminates
the original stimulus
Which of the following is a domain? - ANSWER-eukarya
In taxonomy, the "Homo" part of Homo sapiens is the: - ANSWER-genus
What does a scientist do after making observations? - ANSWER-formulate a
hypothesis
Evolution, cell theory, and germ theory are considered to be theories because -
ANSWER-they are well-supported explanations of the natural world that have not
been disproved
Humans and primates share which of the following characteristics? - ANSWER-
opposable thumb
Which of the following statements is correct? - ANSWER-hominids and chimpanzees
share a common ancestor
The study of interactions between the living and non-living components of a defined
area is called - ANSWER-ecology
Autotrophs - ANSWER-make food for themselves by photosynthesis or
chemosynthesis
An organism that consumes decaying matter is called - ANSWER-a detrivore
Which collection of elements are the most common in the human body? - ANSWER-
oxygen, carbon, hydrogen, and nitrogen
The atomic number is equal to - ANSWER-the number of protons
, Which description of Ca2+ is most accurate? - ANSWER-a cation that has lost two
electrons
How many electrons are in the valence shell of the atom shown here? - ANSWER-
Five
The high specific heat of water makes it - ANSWER-a good temperature buffer
Which of the following chemical bonds is the weakest? - ANSWER-hydrogen
What makes an acid different from a base? - ANSWER-acids contain more hydrogen
ions than bases
Glucose belongs to which category of carbohydrate? - ANSWER-monosaccharide
What would happen if the active site of an enzyme had a different 3D shape? -
ANSWER-the enzyme would not be functional
The cell theory includes all of the following tenets except: - ANSWER-cells are made
up of similar shapes and sizes
A key difference between eukaryotic and prokaryotic cells is that - ANSWER-
eukaryotes have a nucleus and prokaryotes do not
The plasma membrane is composed of two layers of: - ANSWER-phospholipids, with
proteins and sugars interspersed
Small, lipid-soluble materials enter and exit the cell via: - ANSWER-diffusion
What is the key difference between active and passive transport? - ANSWER-active
transport requires energy in the form of ATP
A red blood cell placed into a hypertonic solution will - ANSWER-shrivel or crenate
The thinnest of the cytoskeletal structures, they are responsible for cellular
locomotion and intracellular movements during cell division. - ANSWER-
microfilaments
Which of the following organelles contain digestive enzymes used in the
decomposition of biomolecules or worn out cellular organelles? - ANSWER-lysosome
What type of tissue lines the cavities of the body? - ANSWER-epithelial
Which type of tissue is the most abundant in the human body? - ANSWER-
connective
Which of the following muscles are under involuntary control? - ANSWER-smooth
AND ANSWERS RATED A+
When you eat your dinner each evening, you are best demonstrating which
property of life? - ANSWER-need for energy
The ability of the body to keep blood pressure, body temperature, and other
internal conditions within a relatively narrow range is called: - ANSWER-
homeostasis
In a negative feedback system the response of the effector - ANSWER-eliminates
the original stimulus
Which of the following is a domain? - ANSWER-eukarya
In taxonomy, the "Homo" part of Homo sapiens is the: - ANSWER-genus
What does a scientist do after making observations? - ANSWER-formulate a
hypothesis
Evolution, cell theory, and germ theory are considered to be theories because -
ANSWER-they are well-supported explanations of the natural world that have not
been disproved
Humans and primates share which of the following characteristics? - ANSWER-
opposable thumb
Which of the following statements is correct? - ANSWER-hominids and chimpanzees
share a common ancestor
The study of interactions between the living and non-living components of a defined
area is called - ANSWER-ecology
Autotrophs - ANSWER-make food for themselves by photosynthesis or
chemosynthesis
An organism that consumes decaying matter is called - ANSWER-a detrivore
Which collection of elements are the most common in the human body? - ANSWER-
oxygen, carbon, hydrogen, and nitrogen
The atomic number is equal to - ANSWER-the number of protons
, Which description of Ca2+ is most accurate? - ANSWER-a cation that has lost two
electrons
How many electrons are in the valence shell of the atom shown here? - ANSWER-
Five
The high specific heat of water makes it - ANSWER-a good temperature buffer
Which of the following chemical bonds is the weakest? - ANSWER-hydrogen
What makes an acid different from a base? - ANSWER-acids contain more hydrogen
ions than bases
Glucose belongs to which category of carbohydrate? - ANSWER-monosaccharide
What would happen if the active site of an enzyme had a different 3D shape? -
ANSWER-the enzyme would not be functional
The cell theory includes all of the following tenets except: - ANSWER-cells are made
up of similar shapes and sizes
A key difference between eukaryotic and prokaryotic cells is that - ANSWER-
eukaryotes have a nucleus and prokaryotes do not
The plasma membrane is composed of two layers of: - ANSWER-phospholipids, with
proteins and sugars interspersed
Small, lipid-soluble materials enter and exit the cell via: - ANSWER-diffusion
What is the key difference between active and passive transport? - ANSWER-active
transport requires energy in the form of ATP
A red blood cell placed into a hypertonic solution will - ANSWER-shrivel or crenate
The thinnest of the cytoskeletal structures, they are responsible for cellular
locomotion and intracellular movements during cell division. - ANSWER-
microfilaments
Which of the following organelles contain digestive enzymes used in the
decomposition of biomolecules or worn out cellular organelles? - ANSWER-lysosome
What type of tissue lines the cavities of the body? - ANSWER-epithelial
Which type of tissue is the most abundant in the human body? - ANSWER-
connective
Which of the following muscles are under involuntary control? - ANSWER-smooth
