LIFE SCIENCE
Which of the following do clams use as an anchor to fix themselves into the sand:
W) mantle X) foot Y) siphon Z) ganglia
X) FOOT
Which of the following is the basic unit of energy:
W) degree X) joule Y) volt Z) pascal
X) JOULE
Which of the following is NOT true about minerals:
W) cinnabar is the most important mercury ore mineral
X) pyrite is a common sulfide mineral
Y) galena is the most important ore of lead
Z) granite is a widespread mineral used in cement
Z) GRANITE IS A WIDESPREAD MINERAL USED IN CEMENT
What is the price of a $15.00 item that is marked up 25%?
$18.75
If a circle's circumference is divided by its radius, what is the resulting value to the nearest whole number?
6
Name the organism that molts in the following options:
nematode; clam; lobster; mollusk
LOBSTER
What are the most common SI units for acceleration?
METERS PER SECOND SQUARED
'Ring of Fire' is prone to earthquake and volcanic activity because:
W) thinnest oceanic crust
X) densest oceanic crust
Y) greatest density differences
Z) most convergent plate boundaries
Z) MOST CONVERGENT PLATE BOUNDARIES ARE FOUND
Arrange the following in increasing order:
(-3)²; - (4)²; (-1)⁴; - (-3)³
- (4)²; (-1)⁴; (-3)²; - (-3)³
A dog mislocates a stick in shallow water due to which property of light:
W) diffraction X) reflection Y) refraction Z) polarization
Y) REFRACTION
Plant cell walls are made primarily of microfibers of what common polysaccharide?
CELLULOSE
Potential energy is most synonymous with:
W) kinetic energy X) mechanical energy Y) work energy Z) stored energy
Z) STORED ENERGY
Which of the following is NOT true about rocks:
W) layering is characteristic of sedimentary rock
X) during metamorphism, limestone becomes marble
Y) chalk is primarily made up of microscopic shells
Z) quartz reacts with dilute hydrochloric acid to give off carbon dioxide
Z) QUARTZ REACTS WITH DILUTE HYDROCHLORIC ACID TO GIVE OFF CARBON DIOXIDE
If it takes a hiker 2 hours to make a descent from 10,500 feet to 7,500 feet, what is his average rate of descent, in feet per minute?
25
Which material is the STRONGEST in tensile strength per mass:
W) steel
X) a spider's web
Y) cotton fibers
Z) nylon fibers
X) A SPIDER'S WEB
What is the common name for the vector of malaria?
MOSQUITO
Specific gravity compares the density of various substances to that of what reference substance?
WATER
Which of the following is the actual location where slippage of rock masses first occurs in an earthquake:
W) seismic front X) focus Y) Richter point Z) foreshock
X) FOCUS
A phone company charges $0.25/min for the first 10min and $0.10/min thereafter. If you talk for 1.5 hours, what is the total charge?
$10.50
Which element acts as a catalyst for ozone destruction in the upper atmosphere:
W) sulfur
X) chlorine
Y) nitrogen
Z) helium
X) CHLORINE
Of the four main blood types, which has the least reacting antigens and is most used for transfusions?
O
What is the force, in newtons, with which gravity pulls a 70 kg person toward Earth’s surface?
686 N
When the nickel-iron crystals in iron meteorites cool very slowly it often causes them to:
W) fall apart
X) be exceedingly brittle with a flake-like appearance
Y) have large crystals
Z) have a soft outer layer and a dense hard inner core
Y) HAVE LARGE CRYSTALS
If Dan can paint a wall in 3 h and Ryan in 6 h, how long together?
2
What metallic element is silvery white, takes on a high polish, is used in stainless steel and in rechargeable batteries?
NICKEL