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.   molecule - atom- organelle - tissue - cell
B.   cell - organelle - atom - tissue - molecule
C.   atom - molecule - organelle - cell - tissue
D.   molecule - atom - organelle - tissue - cell
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 community
D.   The organism
Question #3
Which of the following is an example of homeostasis?
A.   reproducing a great number of offspring
B.   regulating your body's sugar balance (with help from your pancreas!)
C.   evolving rapidly
D.   eating and using energy from food
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.   do not have a nucleus in their cells and other organisms do
B.   have cell walls and other organisms do not
C.   are autotrophs and other organisms are not
D.   have a nucleus in their cells and other organisms do not.
Question #6
Which domain are you a member of?
A.   Eukarya
B.   Eubacteria
C.   Archaea
D.   Animalia
Question #7
Evolution is central to biology because
A.   There was no other area of science that it best fits in
B.   because every living thing is shaped by it
C.   It is such an old idea
D.   because it is a belief system that biologists live by
Question #8
Which is the correct order of steps in the Scientific Method?
A.   Observation, Question, Hypothesis, Prediction, Experiment, Conclusion
B.   Prediction, Hypothesis, Observation, Question, Experiment, Conclusion
C.   Observation, Hypothesis, Prediction, Experiment, Question, Conclusion
D.   Observation, Hypothesis, Question, Experiment, Conclusion, Prediction
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.   proton, neutron, electron
C.   electron, neutron, proton
D.   neutron, electron, isotope
Question #11
Which of the following is an example of an element?
A.   Carbon
B.   Salt
C.   Water
D.   Glucose
Question #12
Which of the following particles does occur in an atom's nucleus?
A.   intron
B.   proton
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.   14
B.   9
C.   13
D.   12
Question #15
Ionic bonds...
A.   do not break apart easily when placed in water
B.   are the bonds that hold water together
C.   involve the giving and taking of electrons
D.   both A and C
Question #16
A water molecule is held together by 
A.   an ionic pond
B.   sheer magic
C.   a polar covalent bond
D.   nonpolar covalent bond
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.   glucose
B.   nucleic acids
C.   amino acids
D.   lipids
Question #19
How does RNA differ from DNA?
A.   RNA contains uracil; DNA contains thymine.
B.   RNA is a protein; DNA is a nucleic acid.
C.   RNA is double-stranded; DNA is single-stranded.
D.   RNA is a polymer of amino acids; DNA is a polymer of nucleotides.
Question #20
Which of the following biological molecules has the most variable structure and more functions than any other biological molecule?
A.   Lipids
B.   Proteins
C.   Nucleic Acids
D.   Carbohydrates
Question #21
Unsaturated fats DO NOT contain double bonds which would leave them with fewer than the maximum number of hydrogens
A.   TRUE
B.   FALSE
Question #22
Viruses are not composed of cells but they utilize energy, respond to their environment, reproduce and evolve. Are viruses alive?,,
A.   Yes, viruses are alive
B.   No, viruses are not alive

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