Download PRACTICE EXAM 1 – SCIENTIFIC METHODS

PRACTICE EXAM #4 – CELLS
80. The idea that all cells arise from the division of preexisting cells was first state by
a. Anton von Leeuwenhoek
b. Rudolf Virchow
c. Robert Hooke
d. Robert Brown
81. The work of Schleiden and Schwann can be summarized by saying that
a. all plants are made of cells
b. all animals are made of cells
c. plants and animals have specialized cells
d. all plants and animals are made of cells
82. Prokaryotic organisms are commonly called
a. autotrophs
b. heterotrophs
c. bacteria
d. algae
83. Which structure forms a boundary between cells and serves as a place where chemical reactions can take
place?
a. substrate
b. membrane
c. catalyst
d. enzyme
84. What is the nucleus in the cell above?
a. Structure 3
b. Structure 6
c. Structure 8
d. Structure 13
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Practice Exam - Cells
85. In the cell above, structure 7 is also known as the
a. nucleus
b. vacuole
c. chloroplast
d. golgi body
86. In a cell, the function of the Golgi apparatus is to
a. provide the cell with energy
b. carry out cellular respiration
c. package and store proteins
d. move molecules across the cell membrane
87. Which cell structure contains the cell’s genetic material and controls many of the cell’s activities
a. organelle
b. nucleus
c. cell envelope
d. cytoplasm
88. The cells of plants and some protists contain organelles called chloroplasts. The function of chloroplasts
is to
a. provide support to the cell
b. control the production of proteins in the cell
c. carry the genetic code from one generation to the next
d. capture the energy of sunlight and convert it into chemical energy
89. Which of the following organelles is (are) found in animal cells but NOT in plant cells?
I. Centriole
II. Vacuole
III. Chloroplast
a. I only
b. II only
c. I and II only
d. I, II and III
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Practice Exam - Cells
90. Two organelles that are common to plant cells but NOT to animal cells are
a. nuclear envelopes and nucleoli
b. cell membranes and chromosomes
c. cell walls and plastids
d. ribosomes and chloroplasts
91. The cells of multicellular organisms are
a. smaller than those of unicellular organisms
b. simpler than those of unicellular organisms
c. specialized to perform particular functions
d. not dependent on one another
92. What is the function of a red blood cell?
a. to transport white blood cells
b. to ward off infection
c. to transport oxygen
d. to aid in blood clotting
93. The cells that make up cardiac muscle have many
a. nuclei
b. mitochondria
c. myosin filaments
d. striations
94. What are specialized cells?
a. any cells that perform a specific function
b. any cells that can develop into any other type of cell
c. only cells that are involved in reproduction
d. only cells involved with maintaining homeostasis
95. Which term refers to the movement of water molecules through a selectively permeable membrane?
a. osmosis
b. engulfing
c. active transport
d. passive transport
96. Which of the following movements across a cell membrane occurs without the aid of a transport
protein?
I. Passive transport
II. Facilitated diffusion
III. Active transport
a. I only
b. I and II only
c. III only
d. II and III only
97. An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
a. water to move into the cell
b. water to move out of the cell
c. solutes to move into the cell
d. solutes to move out of the cell
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Practice Exam - Cells
98. If a cell has more solute inside the cell than in the surrounding solution, then the cell is said to be
a. in an isotonic solution and will leak water
b. in an isotonic solution and will take in water
c. in a hypertonic solution and will take in water
d. in a hypertonic solution and will leak water
99. What happens to a zygote after if forms and begins to develop?
a. It moves to the uterus and implants.
b. It moves through the cervix to the vagina.
c. It is released from a cluster of cells.
d. It moves through a fallopian tube to a follicle
100. Choose the structure that is NOT part of the female reproductive system
a. Uterus
b. Urethra
c. Cervix
d. Ovary
101. All of the following are examples of non-specific defenses EXCEPT:
a. Fever
b. Runny nose
c. Production of phagocytes
d. Production of T cells
102. Which of the following correctly matches the function to the structure for the brain shown above?
a. Structure A is the cerebellum and is responsible primarily for coordination.
b. Structure B is the cerebrum and is responsible primarily for intellect.
c. Structure B is the cerebellum and is responsible for involuntary activity.
d. Structure C is the brain stem and is responsible for actions like breathing or blinking.
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Practice Exam - Cells