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3rd 6 weeks
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If you like extra credit on your tests, yes.
If you have something else you need to
be doing, no.
Every question correct and stickered will
be worth ½ a point on your unit test.
I will do this every day at the beginning of
class.
Scientists determined that
organisms of the genus
Spinoloricus were eukaryotes
and not prokaryotes because
Spinoloricus cells have —
A.
B.
C.
D.
flagella
hereditary material
cell walls
nuclear membranes
A. list of the ingredients in each brand of fertilizer used
B. graph showing the growth rate of plants grown with the
different fertilizers
C. description of the role of different nutrients in plant
growth
D. diagram showing the conditions in which each plant
grew
A.
B.
C.
D.
w=y
x=z
w+x=y+z
w + x = 2(y + z)
A.
B.
C.
D.
In saltwater and in freshwater
In water and on land
On land and in treetops
In glaciers and in caves
A. massive
B. dense
C. viscous
D. soluble
A. Apply the bacteria to growing plants.
B. Expose the bacteria to low levels of light.
C. Remove plants from areas containing the
bacteria.
D. Treat the bacteria with a solution of the protein
crystals.
A. .
C. .
B. .
D.
.
8. This picture shows
a small section of a
solar power plant.
Which of these
decreases the energy
production at such
power plants?
A.
B.
C.
D.
Cloudy skies
Ozone in the air
Hot weather
Low humidity
A.
B.
C.
D.
Thermometer
Litmus paper
Balance
Bunsen burner
A.
B.
C.
D.
Conduction
Refraction
Magnification
Reflection
A. Phenotypic change may create an advantage over
other organisms.
B. Recombined genetic material improves genotype
stability.
C. Mitosis becomes a favored means of reproduction.
D. Deoxyribose sugars develop into additional nucleotides
The student determines that the unknown
substance is sodium chloride. Which of the
following is an extensive property of sodium
chloride?
A.
B.
C.
D.
Mass of 15 g
White color
Density of 2.17 g/cm3
Solubility in water
A. Dialysis reduces the
size of proteins.
B. Proteins are dissolved
by urine.
C. Dialysis filters proteins
from solution.
D. Proteins transport
membrane fragments.
A.
B.
C.
D.
hydrogen
silicon
helium
sulfur
A.
B.
C.
D.
By relaxing the smooth muscles
By retaining body fluids
By absorbing heat from lymph glands
By releasing hormones
Which graph best represents the glider’s velocity as it moves down the
air track?
A.
B.
C.
D.
have differences in reactivity
are able to bond with oxygen
vary in solubility
exist in different phases
A.
B.
C.
D.
Produce fewer emissions
Operate more efficiently
Perform work faster
Accelerate longer
If the paramecium is then placed in a hypertonic environment, which of the
following will occur?
A.
B.
C.
D.
Water will diffuse into the paramecium.
Water will diffuse out of the paramecium.
Salt will be pumped out of the paramecium by the vacuole.
Salt will be pumped into the paramecium by the vacuole.
What is the centripetal acceleration of a car that completes the
semicircular turn at a constant speed in 15.0 seconds?
A.
B.
C.
D.
0 m/s2
3.14 m/s2
12.8 m/s2
61.0 m/s2
A.
B.
C.
D.
Sulfur
Chlorine
Aluminum
Sodium
A. The rate of erosion of rocks on the ground would be slowed.
B. The flow of necessary nutrients would be disrupted.
C. The ability of plants to complete photosynthesis would be
increased.
D. The infiltration of water into the ground would be halted.
A.
. hi
C.
.
B.
.
D.
. :/
A.
B.
C.
D.
It is given off as heat.
It is stored as vitamins.
It is used in reproduction.
It is used in protein synthesis.
A. 4OH(aq)
C. H2O2(g)
B. CH4(g)
D. 2H2O(g)
A.
B.
C.
D.
Echo formation
Diffraction
Resonance
Specular reflection
A.
B.
C.
D.
9.8 N
20 N
201 N
894 N
A.
B.
C.
D.
Heating water with an open flame
Pouring hydrochloric acid into a beaker
Filtering precipitates from a liquid solution
Collecting oxygen from plants in a test tube
A.
B.
C.
D.
increases the pressure of the river water
increases the pH value of the river water
decreases sediment solubility in the river water
decreases the dissolved oxygen in the river water