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Intro To Bio Nine Weeks Test
Test Description: Review for 9 weeks test
Instructions: Answer all questions to get your test result.
1) Why do birds migrate?
A
They are made of cells.
B
They have to maintain internal balance.
C
They are based on an universal genetic code.
D
They respond to their environment.
2) Which of these is a food chain?
A
deer, tree, hawk, mountain lion
B
tree, deer, mountain lion, hawk
C
snake, hawk, grass, grasshopper, deer
D
grass, grasshopper, snake, hawk
3) What is the pH of stomach acid?
A
above 7 and it is base
B
below 7 and it is an acid
C
above 7 and it is an acid
D
below 7 and it is a base
4) What is the pH of oven cleaner?
A
below 7 and it is an acid
B
above 7 and it is an acid
C
above 7 and it is base
D
below 7 and it is a base
5) Plants are_____________?
A
primary consumers
B
herbivores
C
primary producers
D
omnivores
6) Animals that get energy from eating carcasses are_________?
A
omnivores
B
scavengers
C
heterotrophs
D
detritivores
7) Relatively constant internal physical and chemical conditions are called?
A
homeostasis
B
hypothesis
C
science
D
metabolism
8) Scientists who did experiments to prove DNA is genetic material
A
Hershey and Chase
B
Schledien and Swahn
C
Avery and McCarty
D
Watson and Crick
9) In CO2 + H2O = H2CO3 , what are the reactants?
A
CO2 and H2CO3
B
CO2 , H2O, and H2CO3
C
CO2 and H2O
D
CO2 and H2CO3
10) Who discovered that DNA was in the Double Helix shape?
A
Avery and McCarty
B
Hershey and Chase
C
Schledien and Swahn
D
Watson and Crick
11) Which is NOT a type of dispersion?
A
clumped
B
uniform
C
systemic
D
random
12) Reaction in which water breaks down polymers into monomers:
A
van der Waals force
B
Dehydration Synthesis
C
hydrolysis
D
ionic reaction
13) Which scientist used xrays to confirm DNA?
A
Mendel
B
Franklin
C
Griffin
D
Darwin
14) What characteristics do carbohydrates and lips share?
A
contains,nitrogen, used for energy
B
used for energy; contains primarily carbon, hydrogen, and oxygen
C
dissolves in water, contains nitrogen
D
forms hormones, dissolves in water
15) What structure make a nucleic acid RNA rather than DNA?
A
contains uracil instead of thymine
B
phosphate groups instead of nitrogen bases
C
complementary base pairs
D
no nitrogen bases
16) What is the part of Earth on which life exists?
A
hydrosphere
B
atmosphere
C
lithosphere
D
biosphere
17) Who performed Griffin's experiment?
A
Griffin
B
Darwin
C
Mendel
D
Crick
18) Which is NOT a function of protein?
A
control rates of reactions
B
help to fight disease
C
store and transmit genetic material
D
move substances into or out of cells
19) Which complements go with these bases in DNA? A T C G A
A
C G A C U
B
T A G C T
C
C A G C T
D
T A C U U
20) What is a symbiotic relationship in which both species benefit?
A
predationalism
B
commensalism
C
parasitism
D
mutualixm
*select an answer for all questions
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