JCJC General Biology Unit 1 Test Questions & Answers

JCJC General Biology Unit 1 Test
Questions & Answers
What is electronegativity? Correct Ans-Attraction of a particular atom for the electrons of a
covalent bonds (WHAT ELSE? EASIER?)



What is neutral on the pH scale? Correct Ans-7




What is taxonomy? Correct Ans-Branch of biology that names and classifies species




What is the atomic number of an atom? Correct Ans-The number of protons in an atom




What is the difference between polar and nonpolar covalent bonds? Correct Ans-The number
of electrons being shared



What is the first step of the scientific method? Correct Ans-Observation




What is the fourth step of the scientific method? Correct Ans-analyze results




What is the mass number of an atom? Correct Ans-The number of protons and neutrons in the
nucleus



What is the maximum number of electrons each shell can have? Correct Ans-

, What is the pH scale? Correct Ans-a measure of how many free H+ ions there are in a solution




What is the second step of the scientific method? Correct Ans-Form a hypothesis




What is the third step of the scientific method? Correct Ans-Test or experiment




What kind of data is non-numerical descriptions? Correct Ans-Qualitative data




What kind of data is numerical measurements? Correct Ans-Quantitative data




What part of the pH scale indicates a base? Correct Ans-7.1-14




What part of the pH scale indicates an acid? Correct Ans-0-6.9




What three types of isomers did we cover? Correct Ans-Structural, cis-trans, and enantiomers




What type of bonds connect hydrocarbon? Correct Ans-Nonpolar covalent bonds




Which buffer system is used in the human bloodstream? Correct Ans-Carbonic acid (H2CO3)