Biology 1 - The Life Sciences » 2019 » Module 1 Exam

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Question #1
Which is the correct sequence for levels of biological organization within an organism?
A.   atom - molecule - organelle - cell - tissue
B.   molecule - atom- organelle - tissue - cell
C.   molecule - atom - organelle - tissue - cell
D.   cell - organelle - atom - tissue - molecule
Question #2
Which of the following choices would be the smallest unit of life?
A.   The organic molecule (like DNA)
B.   The organelle
C.   The organism
D.   The community
Question #3
Which of the following is an example of homeostasis?
A.   eating and using energy from food
B.   regulating your body's sugar balance (with help from your pancreas!)
C.   reproducing a great number of offspring
D.   evolving rapidly
Question #4
The "Domain" is the broadest, most all-inclusive taxonomic category
A.   TRUE
B.   FALSE
Question #5
A major difference between eukaryotes and prokaryotes is that eukaryotes
A.   have a nucleus in their cells and other organisms do not.
B.   are autotrophs and other organisms are not
C.   do not have a nucleus in their cells and other organisms do
D.   have cell walls and other organisms do not
Question #6
Which domain are you a member of?
A.   Animalia
B.   Archaea
C.   Eubacteria
D.   Eukarya
Question #7
Evolution is central to biology because
A.   because it is a belief system that biologists live by
B.   It is such an old idea
C.   because every living thing is shaped by it
D.   There was no other area of science that it best fits in
Question #8
Which is the correct order of steps in the Scientific Method?
A.   Prediction, Hypothesis, Observation, Question, Experiment, Conclusion
B.   Observation, Hypothesis, Question, Experiment, Conclusion, Prediction
C.   Observation, Hypothesis, Prediction, Experiment, Question, Conclusion
D.   Observation, Question, Hypothesis, Prediction, Experiment, Conclusion
Question #9
Hypotheses in science don't have to be testable.
A.   TRUE
B.   FALSE
Question #10
The three component parts of an atom are the ____________, which carries a positive charge; the ____________, which carries no charge; and the _____________, which carries a negative charge
A.   proton, neutron, isotope
B.   electron, neutron, proton
C.   proton, neutron, electron
D.   neutron, electron, isotope
Question #11
Which of the following is an example of an element?
A.   Salt
B.   Carbon
C.   Water
D.   Glucose
Question #12
Which of the following particles does occur in an atom's nucleus?
A.   proton
B.   intron
C.   all commonly are found in the nucleus of an atom
D.   electron
Question #13
Isotopes are elements that vary in their number of neutrons.
A.   FALSE
B.   TRUE
Question #14
Aluminum's atomic mass is 27 and its atomic number is 13. How many neutrons are found in a Aluminum atom?
A.   12
B.   13
C.   9
D.   14
Question #15
Ionic bonds...
A.   involve the giving and taking of electrons
B.   do not break apart easily when placed in water
C.   are the bonds that hold water together
D.   both A and C
Question #16
A water molecule is held together by 
A.   nonpolar covalent bond
B.   sheer magic
C.   a polar covalent bond
D.   an ionic pond
Question #17
The lower the pH of solution, the less acidic the solution
A.   FALSE
B.   TRUE
Question #18
Starch and cellulose are both polymers of
A.   amino acids
B.   glucose
C.   nucleic acids
D.   lipids
Question #19
How does RNA differ from DNA?
A.   RNA is a protein; DNA is a nucleic acid.
B.   RNA is a polymer of amino acids; DNA is a polymer of nucleotides.
C.   RNA contains uracil; DNA contains thymine.
D.   RNA is double-stranded; DNA is single-stranded.
Question #20
Which of the following biological molecules has the most variable structure and more functions than any other biological molecule?
A.   Nucleic Acids
B.   Proteins
C.   Carbohydrates
D.   Lipids
Question #21
Unsaturated fats DO NOT contain double bonds which would leave them with fewer than the maximum number of hydrogens
A.   FALSE
B.   TRUE
Question #22
Viruses are not composed of cells but they utilize energy, respond to their environment, reproduce and evolve. Are viruses alive?,,
A.   No, viruses are not alive
B.   Yes, viruses are alive

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