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Biology Final Exam Review Flashcards | StudBud
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Biology Final Exam Review
Biology Final Exam Review
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1
Cells fall into two broad categories, depending on whether they
contain genetic material
have a cell wall
have a nucleus
contain chloroplasts
2
Because you may come in contact with organisms that you cannot see, what safety procedure MUST be followed?
Do not wear long sleeves
Open the windows of the laboratory
Wash your hands thoroughly after completing the activity
Read over your activity
3
Which of the following organisms does NOT require sunlight to live?
algae
chemosynthetic bacteria
trees
photosynthetic bacteria
4
Which of the following is a function of the cell membrane?
breaks down lipids, carbohydrates, and proteins from food
keeps the cell wall in place
regulates which materials enter and leave the cell
stores water, salt, proteins, and carbohydrates
5
An organism that uses energy to produce its own food supply from inorganic compounds is called a(an) ____________.
heterotroph
consumer
detritivore
autotroph
6
The work of scientists begins with
creating experiments
drawing conclusions
careful observations
testing a hypothesis
7
Ice floats on water because
ice has a slightly higher density than water
water expands when it freezes
water shrinks when it freezes
of cohesion
8
The main function of the cell wall is to
store DNA
support and protect the cell
help the cell move
direct the activities of the cell
9
Which of the following makes up a molecule of water?
two atoms of hydrogen and one atom of oxygen
one atom of sodium and one atom of chlorine
one atom of hydrogen and one atom of oxygen
one atom of hydrogen and two atoms of oxygen
10
Which organelle is found only in plant cells?
smooth endoplasmic reticulum
ribosome
chloroplast
mitochondrion
11
scientific hypotheses must be propsed in a way that
doesn't contradict previous hypotheses
enables them to be tested
enables them to be proved valid
ensures that an experiment will be valid
12
A controlled experiment allows the scientist to isolate and test
several variables
a mass of information
a single variable
a conclusion
13
Which of the following is NOT a characteristic of all living things?
growth and development
ability to move
ability to reproduce
response to the environment
14
What is the process that changes one set of chemicals into another set of chemicals?
dissolving
cohesion
chemical reaction
adhesion
15
Different species can share the same habitat, but competition among them is reduced if they
increase their populations
occupy different niches
eat less
reproduce at different times
16
When salt is dissolved in water, water is the
reactant
solution
solvent
solute
17
Carbon cycles through the biosphere in all of the following processes EXCEPT
respiration
photosynthesis
transpiration
decomposition
18
Prokaryotes lack
a cell membrane
a nucleus
cytoplasm
genetic material
19
All the interconnected feeding relationships in an ecosystem make up a food
chain
web
interaction
network
20
What is the term used to describe the energy needed to get a reaction started?
activation energy
cohesion energy
adhesion energy
chemical energy
