The hardest substance available on earth is
a) Diamond
b) Platinum
c) Rocks
a) Diamond
What does 3 squared equal?
a) 6
b) 12
c) 9
c) 9
The Austrian monk Gregor Mendel's observations of what organism formed the basis for the science of genetics?
a) Pea plants
b) Mice
c) Fruit flies
a) Pea plants
Organic chemistry is the study of compounds that contain what element?
a) Nitrogen
b) Potassium
c) Carbon
c) Carbon
What is the chemical symbol for the element mercury?
a) Hg
b) Mg
c) Me
a) Hg
The ‘Pascal’ is a unit measurement of what?
a) Pressure
b) Weight
c) Temperature
a) Pressure
Which of these isn't an essential aminoacid?
a) Lysine
b) Thryptophan
c) Riboflavin
c) Riboflavin
Which of these is the main way that ocean tides are created?
a) The rotation of the Earth on its axis
b) The gravitational pull of the moon
c) The gravitational pull of the sun
b) The gravitational pull of the moon
What does a light-year measure?
a) Brightness
b) Time
c) Distance
c) Distance
Which of the following will increase in concentration in muscle cells during strenuous muscular activity?
a) lactic acid
b) carbon monoxide
c) glucose
a) lactic acid
True or False? It is the father’s gene that decides whether the baby is a boy or a girl.
True
What is it called when light changes direction after leaving a lens?
a) Reflection
b) Refraction
c) Diffraction
b) Refraction
What connects bones to other bones?
Select one:
a) cartilage
b) tendons
c) ligaments
c) ligaments
What set of terms correctly represents an increasing order of complexity and size in living things?
a) atom, molecule, organelle, organism, cell
b) molecule, cell, tissue, organ, organism
c) organelle, tissue, cell, organ, individual
b) molecule, cell, tissue, organ, organism
The green pigment in plants that is capable of absorbing the sun's energy is
a) Porphyrin
b) Beta carotene
c) Chlorophyll
c) Chlorophyll
Which is considered to be the computers short-term memory?
a) REM
b) ROM
c) RAM
c) RAM
