The removal of metabolic wastes from
living cells is known as
A.
B.
C.
D.
secretion
ingestion
excretion
digestion
Within a cell, DNA is chiefly found in
the
A.
B.
C.
D.
cell wall
plasma membrane
ribosomes
chromosomes
Which organelles are usually found in
both plant and animal cells
A.
B.
C.
D.
cell walls
centrioles
mitochondria
chloroplasts
A structure involved in regulating the
movement of materials into a cell is the
A.
B.
C.
D.
ribosome
centriole
Golgi complex
cell membrane
The sound from an automobile horn
caused a dog to run to the side of the
road. This sound is an example of a
A.
B.
C.
D.
stimulus
response
reflex
synapse
Most cellular respiration takes place
in organelles known as
A.
B.
C.
D.
chloroplasts
stomates
ribosomes
mitochondria
The acacia tree is protected from other
insects by a species of ant. The ants, in
turn feed on a sweet secretion produced
by the tree. This type of relationships is
known as
A.
B.
C.
D.
saprophytism
parasitism
commensalism
mutualism
For a producer to maintain itself,
which factor must be present in its
environment?
A.
B.
C.
D.
carnivores
herbivores
sunlight
parasites
A food chain includes crickets, frogs,
snakes, and hawks. Which animals
are the primary consumers?
A.
B.
C.
D.
crickets
frogs
snakes
hawks
Which cellular organelle contains
hereditary factors and controls cell
activities?
A.
B.
C.
D.
nucleus
cell membrane
vacuole
endoplasmic reticulum
Why are decomposers important to
the food chain?
A. They provide nutrients for the growth of the
plant.
B. They convert energy from the sun.
C. They are pets to humans.
D. They are food for predators.
Which two organisms are classified
as producers?
A.
B.
C.
D.
tadpole and worm
algae and grass
grass and tadpole
raccoon and algae
In order to make observations, an
observer must always use
A.
B.
C.
D.
experiments
the senses
proportions
mathematical calculations
Living things contain units of structure
and function that arise from preexisting
units. The statement best describes the
A.
B.
C.
D.
cell theory
lock-and-key model of enzyme activity
concept of natural selection
heterotoph hypothesis
The movement of a flatworm, such as
planarian, away from light is an example
of
A.
B.
C.
D.
a stimulus
a synapse
an impulse
a response
A lizard can escape from a predator by
losing its tail when caught. Often, the
lizard’s tail is replaced by the process of
A.
B.
C.
D.
grafting
sporulation
gametogenesis
regeneration
The principles of dominance,
segregation, and independent
assortment were first described by
A.
B.
C.
D.
Darwin
Watson and Crick
Lamark
Mendel
The nitrogen bases found in DNA are
represented by the letters
A.
B.
C.
D.
A, U, G, and C
A, T, G, and C
T, A, P, and C
T, U, G, and C
Ursus horribilis, the scientific name for
the grizzly bear, refers to the bear’s
A.
B.
C.
D.
kingdom and phylum
kingdom and species
genus and phylum
genus and species
Which statement regarding respiration
is correct?
A. Respiration in green plants occurs only during
the day.
B. Mushrooms do not carry on respiration.
C. All living organisms carry out some form of
respiration.
D. Respiration occurs even after an organism is
dead.
Which statement is part of the cell
theory?
A.
B.
C.
D.
Cells are microscopic.
Cells have definite boundaries.
Cells require oxygen for metabolism.
Cells come from preexisting cells.