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