Question 1 Which of the following is a characteristic of all life? A.eating B.sl
ID: 16630 • Letter: Q
Question
Question 1Which of the following is a characteristic of all life?
A.eating
B.sleeping
C.heredity
D.having muscles
Question 2
Which of the following steps are involved in the scientific method?
A.analysis, experiment, observation, conclusion
B.observation, error analysis, hypothesis, conclusion
C.experiment, observation, calculations, conclusion
D.observation, hypothesis, experiment, conclusion
Question 3
Your DVD player will not play a certain movie. All of the following are logical hypotheses about that situation EXCEPT
A.the DVD player isn't plugged in.
B.that DVD needs to be cleaned.
C.your remote control is lost.
D.there is a scratch on the movie.
Question 4
Which of the following is the correct order of ideas from the greatest level of certainty to the least?
A.law, theory, hypothesis
B.theory, hypothesis, law
C.hypothesis, theory, law
D.none of the above
Question 5
Two or more elements bonded together form
A.atoms.
B.mixtures.
C.compounds.
D.none of the above
Question 6
It is logical to conclude that water cannot dissolve vegetable oil because the oil is
A.polar.
B.nonpolar.
C.uncharged.
D.insoluble.
Question 7
Water is considered the universal solvent because it can dissolve
A.elements.
B.everything.
C.polar molecules.
D.nonpolar molecules.
Question 8
Which of the following is the least acidic?
A.water
B.ammonia
C.lemon juice
D.cola
Question 9
Compounds that create hydroxyl ions when dissolved in water are
A.acids.
B.bases.
C.neutral.
D.none of the above
Question 10
Organic compounds are made up of all EXCEPT which of the following elements?
A.carbon
B.oxygen
C.hydrogen
D.none of the above
Question 11
What are the building blocks of proteins?
A.enzymes
B.nucleotides
C.monosaccharides
D.amino acids
Question 12
A dog is an example of a(n)
A.heterotroph.
B.scavenger.
C.autotroph.
D.chemotroph.
Question 13
The organic compounds that are used for long-term energy storage are
A.lipids.
B.proteins.
C.nucleic acids.
D.carbohydrates.
Question 14
The chemical bond formed when electrons are taken away or given up is a(n)
A.ionic bond.
B.hydrogen bond.
C.peptide bond.
D.covalent bond.
Question 15
During a chemical reaction, an enzyme is
A.used up.
B.bonded.
C.not changed.
D.inhibited.
Explanation / Answer
Question 1 Which of the following is a characteristic of all life? C.heredity Question 2 Which of the following steps are involved in the scientific method? D.observation, hypothesis, experiment, conclusion Question 3 Your DVD player will not play a certain movie. All of the following are logical hypotheses about that situation EXCEPT C.your remote control is lost. Question 4 Which of the following is the correct order of ideas from the greatest level of certainty to the least? A.law, theory, hypothesis Question 5 Two or more elements bonded together form C.compounds. Question 6 It is logical to conclude that water cannot dissolve vegetable oil because the oil is B.nonpolar. Question 7 Water is considered the universal solvent because it can dissolve C.polar molecules. Question 8 Which of the following is the least acidic? B.ammonia Question 9 Compounds that create hydroxyl ions when dissolved in water are B.bases. Question 10 Organic compounds are made up of all EXCEPT which of the following elements? D.none of the above Question 11 What are the building blocks of proteins? D.amino acids Question 12 A dog is an example of a(n) A.heterotroph. Question 13 The organic compounds that are used for long-term energy storage are A.lipids. Question 14 The chemical bond formed when electrons are taken away or given up is a(n) A.ionic bond. Question 15 During a chemical reaction, an enzyme is C.not changed.
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