Question 1
Nitrogen-fixing bacteria live in the roots of certain plants. The plants provide sugar to the bacteria, while the bacteria provide nitrogen to the plant
a. Competition
b. Parasitism
c. Commensalism
d. Mutualism
Question 2
A small celestial body that orbitsthe Sun and has a bright nucluesand a faint tail that always pointsaway from the sun.
a. Comet
b. Meteor
c. Meteorite
d. Quasar
Question 3
What is the mass of a substancethat has a density of 17.7 g/cm3
and a volume of 3.06 cm3?
a. 522.0 g
b. 54.2 g
c. 5.4 g
d. 54.162 g
Question 4
Ohms are the unit of measure of _____________.
a. Energy
b. Power
c. Voltage
d. Resistance
Question 5
The maximum population size of a particular species that a given ecosystem can sustain indefinitely
a. Tolerance Range
b. Carry Capacity
c. Species Richness
d. Limits of Growth
Question 7
An light bulb with resistance of 60 is attached to a circuit with 120 V. What is the current in the circuit?
a. 2 W
b. 2 J
c. 2 A
d. 2 V
Question 8
An organism that makes its own energy-rich food compounds by using the Sun’s energy
a. Consumer
b. Omnivore
c. Producer
d. Yucky
Question 9
The nucleus of an atom cancontain…
a. Protons and neutrons
b. Protons and electrons
c. Electrons and neutrons
d. Electrons, protons and neutrons
Question 10
A solid body that enters Earth’satmosphere from outer space,becoming hot and bright because of thefriction with Earth’s atmosphere.
a. Comet
b. Meteor
c. Meteorite
d. Quasar
Question 11
A series circuit contains three identical lamps. The battery has 30V. What is the potential difference (voltage) across each lamp.
a. 30V
b. 10V
c. 3V
d. 90V
Question 12
The process by which sugar is converted into carbon dioxide, water and energy
a.Photosynthesis
b. Cellular Respiration
c.Biogeochemical Cycle
d. Consumption
Question 13
How much current passes through a 6 Ω resistor that has a potential difference of 50 V across the resistor?
a. 0.12 A
b. 8.3 A
c. 56 A
d. 300 A
Question 14
Atomic Mass is…
a. The number of protons in the nucleus
b. The number of electrons in the first orbit
c. The total number of electrons and neutrons
d. The total number of protons and neutrons in the nucleus
e. None of the above
Question 15
The zone around the Earth where life can exist
a. Biosphere
b. Hydrosphere
c. Lithosphere
d. Atmosphere
Question 16
In a series circuit, you have a light bulb, anammeter and a voltmeter . You do not change thelight bulb, but you decrease the voltage. Whathappens to the current as read on the ammeter?
a. The current increases in the same ratio to the voltage
b. The current increases but not in the same ratio to the voltage
c. The current remains unchanged
d. The current decreases in the same ratio to the voltage
Question 17
The type of eclipse that occurs when the Moon passes between the Earth and the Sun
a. Annular Eclipse
b. Lunar Eclipse
c. Sun Eclipse
d. Solar Eclipse
Question 18
A neutron is…
a. A positive charge located in the orbits outside the nucleus
b. A neutral charge with a mass of one
c. A negative charge located in the orbits outside the nucleus
d. A negative charge with a mass of one
Question 19
The distance from the Sun to the Earth is 149,599,000 km or 1 Astronomical Unit (AU). If Jupiter is 5.2 AU away from the sun, what is the distance in kilometres?
a. 29,919,800 km
b. 777,914,800 km
c. 1.42 X 108 km
d. 7.78 X 1010 km
Question 20
The series of processes that move water through the environment
a. Carbon Cycle
b. Biogeochemical Cycle
c. Nitrogen Cycle
d. Water Cycle
Question 21
A current of 25 A passes throughA current of 25 A passes throughan electrical motor. The motor isan electrical motor. The motor isattached to 100 V battery. What isattached to 100 V battery. What isthe motor’s resistance?the motor’s resistance?
a.a. 40 W40 W
b.b. 4.0 X 104.0 X 1022 J J
c.c. 4 4
d.d. 2,500 2,500
Question 22
A region in which a mix of organisms, including humans, and the physical environment form an interacting unit
a. Ecosystem
b. Biological Niche
c. Habitat
d. Biosphere
Question 23
An arsenic ion has 33 protons, 36electrons and 42 neutrons. What is the Atomic Mass of the arsenicion?
a. 66
b. 69
c. 75
d. 111
Question 24
What is the term that means “…abiotic conditions within which a species can survive?”
a. Carrying Capacity
b. Tolerance Range
c. Limiting Factors
d. Biome.
Question 25
Bromine has 35 electrons and an Atomic Mass of 80. What is the Atomic Number of bromine?
a. 35
b. 45
c. 115
d. Not enough information to tell
Question 26
What proof supports the Big Bang Theory for the start of theUniverse?
a. Remnant heat from our very, very hot beginning has been measured.
b. Galaxies appear to be moving away from us at speeds proportional to their distance…suggesting an expanding universe.
c. Hydrogen and oxygen have been found throughout the universe…suggesting expansion
d. All of the above
e. A and B only
Question 27
How many electrons are in the outer shell of the elementPotassium?
a. 1
b. 8
c. 18
d. 19
Question 28
The Earth-centred model of the solar system is also called the
_______________
a. Copernicus Theory
b. Galileo Theory
c. Geocentric Model
d. Heliocentric Model
e. Solar Plane Model
Question 29
Ions that share electrons form a______________
a. Covalent Bond
b. Element
c. Ionic Bond
d. Unstable Octet
Question 30
What is the chemical name for Li2O?
a. Lithium II oxygen
b. Lithium oxide
c. Di-lithium oxygen
d. Oxygen lithide
Question 31
A sequence of organisms each feeding on the next, showing how energy is transferred from one organism to another
a. Food Chain
b. Food Web
c. Trophic Level
d. Ecological Niche
Question 32
A flow of electrical charge is_______ .
a. Coulomb
b. Current
c. Power
d. Voltage
e. None of the above
Question 33
A representation of energy, numbers or biomass relationships in ecosystems
a. Niche
b. Ecological Pyramid
c. Sustainability
d. Biomass
Question 34
A device that restricts the flow of current in a electrical circuit and converts the electrical energy to another form of energy (e.g., light) is ________.
a. Ammeter
b. Fuse
c. Insulator
d. Load
e. Switch
f. Voltmeter
Question 35
What is the density of a materialwhen the mass is 20.4 g and thevolume is 18.6 cm3?
a. 38.5 g/cm3
b. 1.10 g/cm3
c. 97 g/cm3
d. 381.5 g/cm3
Question 36
Where does our Sun occur in the Hertzsprung-Russell Diagram?
a. In the Main Sequence
b. Among the Red Giants
c. Among the White Dwarfs
d. Among the Supernova
Question 37
Type of circuit if five light bulbs are linked in one circuit, and if one light bulb is removed, all the light bulbs stop working
a. Parallel Circuit
b. Series Circuit
c. One Circuit
d. Combined Circuit
Question 38
The characteristic of a substance thatdescribes its ability to chemicallyreact with another substance is____________.
a. Chemical change
b. Chemical property
c. Physical change
d. Physical property
Question 39
The measure of the total amount of energy a star radiates per second is _______________.
a. Aurora borealis
b. Brightness
c. Luminosity
d. Radiation
e. Supernova
Question 40
You have a parallel circuit. Total voltage is 2 V. Resistor R1 = 1 Ω and Resistor R2 = 1 Ω. Whatis the voltage on V1?
a. 0.5 V
b. 1 V
c. 2 V
d. 4 V
Question 41
You have a parallel circuit. Total voltage is 2 V. Resistor R1 = 1 Ω and Resistor R2 = 1 Ω. Whatis the Total Current?
a. 0.5 A
b. 1 A
c. 2 A
d. 4 A
Question 42
You have a parallel circuit. Total voltage is 2 V. Resistor R1 = 1 Ω and Resistor R2 = 1 Ω. Whatis the Total Resistance?
a. 0.5
b. 1
c. 2
d. 4
Question 43
A solution is _________________
a. A substance that dissolves in a solute
b. A substance that dissolves a solute
c. A homogeneous mixture of two or more pure substances
d. A pure substance that consists of only one kind of atom
e. A mixture consisting of a gas or a liquid with small particles spread through it, but if left undisturbed, the particles will separate
Question 44
The most dominant theory about the origin of the Universe.
a. String Theory
b. The Beginning
c. Big Bang
d. Soup Bowl
e. Collision Theory
Question 45
Mass is __________________.
a. A physical property
b. The amount of matter a substance
contains
c. The same regardless of location
d. The net gravitational force exerted on an object by all other objects.
e. All of the above
Question 46
Any factor that restricts the size of a population
a. Tolerance Range
b. Niche
c. Limiting Factors
d. Carrying Capacity
Question 47
Temperature, precipitation and wind are examples of …..
a. Abiotic Factors
b. Biotic Factors
c. Biome Factors
d. Ecosystems
Question 48
Stars often begin as a __________________.
a. Nebulae
b. Low-Mass Supernova
c. Red Dwarf
d. Neutron Star
e. Quasar
f. None of the above
Question 49
How many elements are in the chemical compound Ca(OH)2?
a. 2b. 3c. 5d. Not enough information
to tell
Question 50
What element is represented by the Bohr-Rutherford Diagram?
a. Fluorine
b. Magnesium
c. Neon
d. Sodium
Question 51
What is a property of a Noble Gas?
a. Highly reactive
b. Unfilled outer shell
c. Chemically unstable
d. Rarely forms chemical compounds, and if so, quickly returns to an unbonded state
e. All of the above
Question 52
The remnant of a meteor that does not burn up completely in Earth’satmosphere
a. Comet
b. Celestial Body
c. Meteorite
d. Quasar
Question 53
Law of Electric Charges states the OPPOSITE CHARGES….
a. Attract
b. Repel
c. Ignore
d. Combine
Question 54
The process by which an object withan electric charge produces theopposite charge in a neighbouringobject WITHOUT touching it.
a. Conduction
b. Friction
c. Induction
d. Magnetism
e. Radiation
Question 55
A light-year is ____________
a. The distance a beam of lighttravels in a vacuum in one year
b. A distance of 63 240 Astronomical Units
c. A measurement of inter-stellar distances
d. All of the above
Question 56
Microbes that cause malaria live within human blood cells
a. Commensalism
b. Mututalism
c. Competition
d. Parasitism
Question 57
An oxygen ion needs two electrons tofill its outer shell (i.e., become a stableoctet). Oxygen bonds with sodium toform Sodium oxide. The chemicalformula is Na2O. How many outervalence electrons does sodium have?
a. One
b. Two
c. Three
d. Four
Question 58
The apparent movement of a planet inthe opposite direction to its usual orbit iscalled ________________
a. Interstellar Movement
b. Magnetosphere
c. Planetary Orbit
d. Replication
e. Retrograde Motion
Question 59
A system in which the products of areaction cause the rate of that reaction todecrease.
a. Conservation of Energy
b. Nuclear Fusion
c. Negative Feedback
d. Potential Energy
e. Epicycle
Question 60
Which planet is smaller than Earth?
a. Mars
b. Uranus
c. Neptune
d. Saturn
e. None of the above
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