Maths
What is the degree measure of a semicircle?
180
What is the mass, in grams to the nearest whole number, of one cubic centimeter of pure water at standard temperature and pressure?
1
Which of the following BEST describes how the SI unit called the Newton is derived:
W) the product of force times time
X) the energy in one kilogram traveling at one meter per second
Y) the force needed to accelerate 1 kilogram at one meter per second squared
Z) the power needed to accelerate 1 kilogram at one kilometer per hour
Y) the force needed to accelerate 1 kilogram at one meter per second squared
What is the most common term for the biological polymer found in chromosomes that stores genetic information?
DNA (ACCEPT: DEOXYRIBONUCLEIC ACID)
How many degrees are in the 4th angle of a quadrilateral whose other 3 angles are 85º, 95º, and 100º?
80
One quintillion contains how many zeroes?
18
When using the periodic chart, what number gives the number of protons in a given element:
W) period number
X) group number
Y) atomic number
Z) average atomic mass
Y) atomic number
What specific structure is most directly responsible for the motility of bacteria?
Flagella
Change the decimal 0.88 to a fraction in its simplest form:
22/25
A single U.S. quarter is 2 millimeters thick. Find the height, in centimeters, of a stack of 50 quarters:
2 mm × 50 = 100 mm = 10 cm
A car is traveling at a constant speed of 20 kilometers per hour on a long straight road. How many minutes will it take to travel a distance of 5 kilometers?
If an animal has 42 chromosomes in its normal, non-gamete or somatic cells, what term would be given to the gametes that have 21 chromosomes:
W) somatic
X) unigentic
Y) haploid
Z) solitary
Y) haploid
In the real numbers, a number multiplied by its inverse inverse equals what?
1
What hard silvery-grey metal is the 9th most common element in the Earth’s crust, has an atomic number of 22, and takes its name from the Titans?
Titanium
Which of the following is TRUE of gases:
W) they have a definite shape
X) they are highly compressible
Y) they behave like a fluid
Z) their particles are in uniform motion
X) they are highly compressible
In what structure of a nucleated cell are ribosomes assembled into their subunits?
Nucleolus
Find the elapsed time, in hours and minutes reduced to their lowest terms, between 12:15 AM and 5:05 PM:
16 HOURS 50 MINUTES
Regarding computer technology, which of the following BEST describes the bit:
W) an analogue magnetic storage sequence
X) a computer processor
Y) a memory value of 1 through 8
Z) a binary digit that stores information
Z) a binary digit that stores information
Which of the following BEST explains why a concrete floor feels colder than a wooden floor if both are at 21ºC:
W) wood is not as dense as concrete
X) concrete conducts heat better than wood
Y) wood is alive and concrete is not
Z) concrete is much less elastic than wood
X) concrete conducts heat better than wood
Which of the following is the most common source of energy for brain cells in humans:
W) nucleic acids
X) proteins
Y) glucose
Z) pectins
Y) glucose