Biology
Name of the enzyme released in stomach
Pepsin
What is the element represented by the symbol Rb?
Rubidium
Name of the enzyme released in the mouth?
Amylase
The lag time between precipitation period and peak discharge period of a river:
w) is increased by urbanization
x) is decreased by urbanization
y) is shorter for a large drainage basin than for a small one
z) depends upon the hydraulic heads
X
What is the name given to very bright meteors or bolides?
Fireballs
The Erythrocytes (RBCs) of mammals lack what?
Nucleus
Which of the following is the element represented by the symbol B?
w)Barium
x)Bismuth
y)Boron
z)Beryllium
Y
`The bacteria which cause dental cavities in humans break down sugars, releasing what chemical that causes tooth destruction?
a) acids
b) bases
c) enzymes
d) monosaccharides
Acids
Galena is a primary ore of which of the following metals?
w) zinc
x) tungsten
y) lead
z) silver
Lead
What gas is the main component of the atmosphere of Mars?
CO2
On a dry day, water diffuses out of the intercellular spaces of the leaf through what part of the leaf?
Stomata
DJ - A Poise is the unit of measure of which of the following?
w) pressure
x) viscosity
y) force
z) mass
Viscosity
DJ - A clogging of the bile duct interferes with the digestion of what category of food? Proteins, fats, carbohydrates, vitamins, minerals, fiber?
Fats / Lipids
Of the following four geologic periods, which is the most recent?
w) Devonian
x) Silurian
y) Permian
z) Jurassic
Jurassic
DJ - The planet Jupiter has a mass that is:
w) equal to the combined masses of the earth and Mars
x) equal to the combined masses of Saturn and Pluto
y) equal to the combined masses of Saturn, Neptune and Uranus
z) greater than the combined masses of all of the planets
Z