Chemistry
An aqueous solution in which the concentration of OH– ions is greater than that of H+ ions is: W) basic X) acidic Y) neutral Z) in equilibrium
What is basic?
What property of a sound wave is most commonly associated with loudness?
What is amplitude?
A jar of 100 marbles contains only 2 colors of marbles, red and blue. If there are 13 red marbles for every 12 blue marbles, how many blue marbles are in the jar?
Multiple Choice Bioluminescence is a phenomenon most common in which of the following environments: W) marine X) fresh water Y) land Z) atmosphere
What is marine?
The most common term used in genetics to describe the observable physical characteristics of an organism caused by the expression of a gene or set of genes?
What is Phenotype?
What general type of bonding is found in molecules in which electrons are shared by nuclei?
What is covalent?
Although not known as such at the time, what was the first form of spectacular electric discharge seen by humans?
What is lightning?
Factor the following expression completely: 100x^2 – 25y^2
What is 25(2x+y)(2x-y)?
Which of the following is a mixing incompatibility of common household products that can produce toxic products: W) vinegar and baking soda X) vinegar and bleach Y) vinegar and borax Z) castile soap and salt
What is vinegar and bleach?
Using the traditional system of classification, when organisms belong to the same class, name all of the following 4 taxonomic categories to which they must also belong: order; family; phylum; kingdom
What is Phylum and Kingdom?
Name all of the following 4 processes where latent heat is absorbed: evaporation; condensation; water melts; water freezes
What is evaporating and water melting?
Which of the following colors of light has the greatest angle of refraction in normal glass: W) yellow X) green Y) orange Z) blue
What is blue?
It takes 20 minutes for Janis to prepare lunch. When Kristen helps, it only takes 12 minutes. How many minutes would it take Kristen to prepare the same lunch if she worked alone?
What is 30 minutes?
Which of the following best explains why carbon monoxide is very harmful to animals: W) it binds very strongly to hemoglobin X) it is an irritant to the alveolar lining Y) it is a highly potent neurotoxin Z) it causes a severe allergic reaction
What is it binds very strongly to hemoglobin?
Which of the following BEST describes the function of the golgi (read as: GOAL-gee) complex: W) metabolism of carbohydrates X) production of peroxides Y) modification and packaging of proteins for exocytosis Z) storage of lipids
What is the modifcation and packaging of proteins for exocytosis?
Which of the following is a metallic element, composes about 5% of the Earth’s crust, oxidizes very easily, and when pure is a dark, silver-grey metal: W) cobalt X) nickel Y) iron Z) titanium
What is iron?
Mary and Joe are on a merry-go-round. Mary is seated near the center of rotation and Joe is on the outer edge. Which of the following BEST describes their motion: W) Mary has a greater acceleration than Joe X) Joe has a greater acceleration than Mary Y) neither Mary nor Joe are accelerating Z) both Mary and Joe have the same acceleration
What is Joe has a greater acceleration than Mary?
Find the numerical value of the geometric mean of the following 4 values: 2^1 ; 2^3 ; 2^8 ; 2^8
What is 32?
A hexadecimal number is a numeral system with a radix or a base of what?
what monosaccharide is cellulose primarily composed of?
What is glucose?
According to VSEPR bonding theory, if 2 of the bonded atoms in an octahedral molecule are replaced by 2 electron pairs, the molecule will assume what geometric shape, such as in XeF4: W) linear X) trigonal bipyramidal Y) square planar Z) square pyramidal
What is square planar?
Which of the following experimental approaches was used by scientists to discover that the atomic nucleus held most of the atom’s mass and a positive charge: W) directing alpha particles at thin metal strips X) finding the amount of magnetic deflection in cathode rays within a well-evacuated tube Y) exposing photographic film to certain radium salts Z) using a crude cyclotron to disintegrate large nuclei
What is directing alpha particles at thin metal strips?
There are 10 people on a bus who, when ranked from youngest to oldest, all differ from those on the bus closest in age to them by the same number of years. If the youngest is 6 and the oldest is 51, what is the common difference in their age?
What is 5?
Convert a pressure of 1.2 atmospheres into millimeters mercury
What is 912?
the MOST common anatomical synonym for ventral, when locating a part of the human body in relation to another part
What is anterior?