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 community
B.   The organic molecule (like DNA)
C.   The organelle
D.   The organism
Question #3
Which of the following is an example of homeostasis?
A.   eating and using energy from food
B.   reproducing a great number of offspring
C.   evolving rapidly
D.   regulating your body's sugar balance (with help from your pancreas!)
Question #4
The "Domain" is the broadest, most all-inclusive taxonomic category
A.   FALSE
B.   TRUE
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.   have cell walls and other organisms do not
D.   do not have a nucleus in their cells and other organisms do
Question #6
Which domain are you a member of?
A.   Eubacteria
B.   Animalia
C.   Eukarya
D.   Archaea
Question #7
Evolution is central to biology because
A.   because every living thing is shaped by it
B.   because it is a belief system that biologists live by
C.   It is such an old idea
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.   Observation, Hypothesis, Prediction, Experiment, Question, Conclusion
B.   Observation, Hypothesis, Question, Experiment, Conclusion, Prediction
C.   Prediction, Hypothesis, Observation, Question, Experiment, Conclusion
D.   Observation, Question, Hypothesis, Prediction, Experiment, Conclusion
Question #9
Hypotheses in science don't have to be testable.
A.   FALSE
B.   TRUE
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.   neutron, electron, isotope
B.   proton, neutron, electron
C.   electron, neutron, proton
D.   proton, neutron, isotope
Question #11
Which of the following is an example of an element?
A.   Salt
B.   Water
C.   Glucose
D.   Carbon
Question #12
Which of the following particles does occur in an atom's nucleus?
A.   electron
B.   intron
C.   proton
D.   all commonly are found in the nucleus of an atom
Question #13
Isotopes are elements that vary in their number of neutrons.
A.   TRUE
B.   FALSE
Question #14
Aluminum's atomic mass is 27 and its atomic number is 13. How many neutrons are found in a Aluminum atom?
A.   13
B.   12
C.   9
D.   14
Question #15
Ionic bonds...
A.   involve the giving and taking of electrons
B.   are the bonds that hold water together
C.   both A and C
D.   do not break apart easily when placed in water
Question #16
A water molecule is held together by 
A.   nonpolar covalent bond
B.   a polar covalent bond
C.   sheer magic
D.   an ionic pond
Question #17
The lower the pH of solution, the less acidic the solution
A.   TRUE
B.   FALSE
Question #18
Starch and cellulose are both polymers of
A.   nucleic acids
B.   lipids
C.   amino acids
D.   glucose
Question #19
How does RNA differ from DNA?
A.   RNA is a polymer of amino acids; DNA is a polymer of nucleotides.
B.   RNA contains uracil; DNA contains thymine.
C.   RNA is double-stranded; DNA is single-stranded.
D.   RNA is a protein; DNA is a nucleic acid.
Question #20
Which of the following biological molecules has the most variable structure and more functions than any other biological molecule?
A.   Carbohydrates
B.   Proteins
C.   Lipids
D.   Nucleic Acids
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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