ACTUAL Exam Questions and CORRECT
Answers
What are the kinds of questions science can answer? - CORRECT ANSWER - Science
cant answer ethical or moral questions but can answer questions related to making new drugs,
understanding cancer, and making new plant strains
What are the levels of biological organization? - CORRECT ANSWER - Cells, tissue,
organ, organ system, organism
What is homeostasis? - CORRECT ANSWER - Staying the same, the inside of our body
stays the same, example temperature.
What is an adaptation? - CORRECT ANSWER - Features that make individual organisms
better suited to the new environment
What is the sceintific method? - CORRECT ANSWER - Observation, hypothesis
(tentative explanation), experiment (if then statement), conclusion (data determines if hypothesis
may be rejected or accepted), theory (do many experiments and get the same results
What is double blind study? - CORRECT ANSWER - Neither researchers nor subjects
know who has been given the substance being tested
What is a binomial name? - CORRECT ANSWER - Two names: Genus, species. Genus
capitalized. Entire name put it in italics.
What are the categories of classification? - CORRECT ANSWER - Domain, Kingdom,
Phylum, Class, Order, Family, Genus, Species
, What determines chemical reactivity? - CORRECT ANSWER - The number of electrons
in the outermost shell or orbital (also called the valence shell) determines this
What is atomic weight? - CORRECT ANSWER - Number of protons plus the number of
neutrons
What is an istope? - CORRECT ANSWER - Atoms of the same element with different
number of neutrons
What is an ion? - CORRECT ANSWER - A charged particle. These are formed when
electrons are transferred from one atom to another
What is a covalent bond? - CORRECT ANSWER - This results when atoms since
electrons in such a way that each atom has an octet of electrons in the outer orbital
What is a pH? - CORRECT ANSWER - This indicates the acidity or alkalinity of a
solution
Acid- below 7 hydrogen ion concentration greater than hydrogen ion conc Base above 7
hydroxide ion concentration greater than hydrogen ion conc Neutral hydrogen ion concentration
equals hydroxide ion conc
What is dehydration (condensation) reaction? - CORRECT ANSWER - Water, that is , a
hydrogen ion and hydroxide ion are removed from a chemical bond
What is the common combination of elements for living system? - CORRECT ANSWER -
CHNOPS- Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur
What type of biological molecule is an enzyme? - CORRECT ANSWER - An example of
a protein