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 6

How many electrons does the chlorine ion have?

a. 16

b. 17

c. 18

d. None of the above

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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