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G7 Practice quiz

Total questions: 70

Worksheet time: 12mins

Name
Class
Date
1.
Which is an example of a solute?
a)
Egg whites
b)
Sugar
c)
Water
d)
Acetone
2.
Which is an example of a solvent?
a)
Salt
b)
Egg whites
c)
Water
d)
Sugar
3.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

4.

Define the term insoluble.

a)

Can dissolve in water.

b)

Cannot dissolve in water.

c)

Partially dissolves in water.

5.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
6.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
7.
Which solute does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
8.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

9.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
10.
The substance in the mixture that has the greatest affinity for the stationary phase will travel
a)
fastest
b)
slowest
11.

A substance is soluble if it can be dissolved.


In paper chromatography, the most soluble solute _____________________ .

a)

does not move from the start point

b)

stays closest to the start point

c)

travels furthest away from the start point

d)

can be found in the middle of the chromatogram

12.
Which plant species has plant pigments most similar to those in A?
a)
B
b)
C
c)
D
13.

Two or more substances that are mixed together but not chemically combined create a...

a)

solvent

b)

compound

c)

mixture

14.
Why is Chromatography useful?
a)
It can be used as medicine.
b)
It can be used for finding clues at a crime scene
c)
It can be used to make bombs.
d)
It can reduce the lack of food and water.
15.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
16.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
17.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
18.

These forces are...

a)

Balanced

b)

Unbalanced

19.

In this graph, a bus is:

a)

moving

b)

standing still (stationary)

c)

speeding up (accelerating)

d)

slowing down (decelerating)

20.

This line is:

a)

a curve

b)

vertical

c)

horizontal

d)

a slope

21.

It is TRUE that (more answers possible):

a)

the graph shows a steep slope line.

b)

the speed is steady in the graph.

c)

a bus is moving forward.

d)

a bus is returning back.

22.

In this graph,

a)

the bus is gradually speeding up (accelerating).

b)

the line is curved.

c)

the bus is gradually slowing down (decelerating).

d)

none of the above.

23.

Which is the equation for calculating moments?

a)

Moment = Force x Distance moved

b)

Moment = Mass x Perpendicular Distance to pivot

c)

Moment = Force x Perpendicular Distance to pivot

d)

Moment = Force x Distance to pivot

24.

The units for moments are...

a)

Newtons (N)

b)

Metres (m)

c)

Newton Metres (Nm)

d)

Newtons per Metre (N/m)

25.

When object's balance, the moment clockwise and anticlockwise must be..

a)

Equal

b)

Zero

c)

Large

d)

Small

26.

The weight of the barrel is (a)   N

27.

Which allows the crane to lift a heavier load?

a)

Move the hook closer to the pivot

b)

Move the hook away from the pivot

c)

Increase the counterweight

d)

Decrease the counterweight

e)

Move the counterweight further from the pivot

28.
Determine the speed at 20 seconds based on the information shown in the graph.  Speed = distance/time
a)
2 m/s
b)
10 m/s
c)
20 m/s
d)
.5 m/s
29.
How many times does this object STOP moving?
a)
None
b)
Once
c)
Twice
d)
Three times
30.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
31.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
32.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
33.

Pressure exerted by air on the earth's surface

a)

Pressure

b)

Atmospheric pressure

c)

Heat pressure

34.

Atmospheric pressure is highest at

a)

Mean sea level

b)

Above sea lvel

c)

Below sea level

35.

Diffusion is the natural movement of molecules from:

a)

Areas of low concentration to areas of high concentration

b)

Areas of high concentration to areas of low concentration

c)

Cold to hot environments

d)

Gaseous to liquid environments

36.

An increase in temperature does what to diffusion?

a)

Speeds it up

b)

Slows it down

c)

Nothing

d)

Stops it all together

37.

Which gases move into and out of the blood at the lungs by diffusion

a)

Nitrogen and Oxygen

b)

Oxygen and Carbon Dioxide

c)

Nitrogen and Carbon Dioxide

d)

Argon and Nitrogen

38.

Living things within an ecosystem.

a)

Biotic Factors

b)

Limiting Factor

c)

Carry Capacity

d)

Abiotic Factors

39.

Eat producers or only eat plants.

a)

Producers

b)

Consumers

c)

Omnivores

d)

Herbivores

40.

Animal that hunts and kills other animals for food.

a)

Prey

b)

Consumer

c)

Predator

d)

Carnivore

41.

Non-living parts of ecosystem (air, water, soil, sun)

a)

Ecosytsem

b)

Abiotic Factors

c)

Biotic Factors

d)

Niche

42.

Large geographic areas with similar climates and ecosystems. (Tundra, Desert, Grassland, etc)

a)

Niche

b)

Ecosystem

c)

Biomes

d)

Habitat

43.

All the living organisms that live in an area and the nonliving features of their environment.

a)

Habitat

b)

Niche

c)

Biomes

d)

Ecosystem

44.

Organism that makes its own food.

a)

Consumer

b)

Producer

c)

Herbivore

d)

Omnivore

45.

Organism that cannot make own food.

a)

Consumer

b)

Producer

c)

Herbivore

d)

Omnivore

46.

What is a food chain?

a)

The rage of organisms living in an area.

b)

A diagram showing a set of linked food chains.

c)

A diagram that shows the transfer of energy between organisms.

47.

Predator at the top of food chain without any natural predators

a)

Carnivore

b)

Herbivore

c)

Apex Predator

d)

Prey

48.

Both the abiotic and biotic parts that exist in a given area

a)

Population

b)

Biosphere

c)

Environment

d)

Community

49.

All of the biotic things that interact in a given area

a)

Environment

b)

Population

c)

Biosphere

d)

Ecosystem

50.

2 tubes entering the lungs

a)

pharynx

b)

larynx

c)

bronchus

d)

bronchioles

51.

________ is the tube that connects the larynx to the lungs.

a)

alveoli

b)

larynx

c)

pharynx

d)

trachea

52.
What are the reactants for cellular respiration?
a)
glucose and carbon dioxide
b)
water and glucose
c)
glucose and ATP
d)
glucose and oxygen
53.
What does it mean for something to be anaerobic?
a)
It requires CO2
b)
It does not require CO2
c)
It requires oxygen
d)
It does not require oxygen
54.

The correct word equation for aerobic respiration is

a)

carbon dioxide + water (+ energy) → glucose + oxygen

b)

water + oxygen → carbon dioxide + glucose (+ energy)

c)

glucose + oxygen → carbon dioxide + water (+ energy)

d)

glucose + water → carbon dioxide + water (+ energy)

55.
Cellular respiration is similar in both plants and animals in what way?
a)
Energy is required and oxygen is released.
b)
Nitrogen is required and energy is released.
c)
Oxygen is required and energy is released.
d)
Oxygen is required and carbon is released.
56.

During heavy exercise when supply of oxygen to our muscles is insufficient food breakdown is by

a)

anaerobic respiration

b)

aerobic respiration

c)

cellular respiration

57.

What are the products of anaerobic respiration in a human cell?

a)

Energy and Lactic Acid

b)

Lactic Acid

c)

Lactic Acid and Carbon Dioxide

d)

Carbon Dioxide and Water

58.

Where in the body does respiration take place? Select the best answer.

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

59.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
60.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
61.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
62.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
63.

true or false: red blood cells carry a protein called hemoglobin?

a)

true

b)

false

64.

where do red blood cells start developing?

a)

muscle

b)

lungs

c)

bone marrow

d)

bones

65.

what do red blood cells look like?

a)

like a donut with an indented middle

b)

a flat circle

c)

a ball like shape

d)

an egg shape

66.

where do red blood cells take oxygen?

a)

heart

b)

lungs

c)

kidney

d)

liver

67.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

68.

What causes the blood to be the distinct red colour?

a)

Heamaglobin

b)

Glucose

c)

Hormones

d)

Oxygen

69.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
70.

The function is destroying disease-causing microorganism.

a)

White Blood Cells

b)

Vein

c)

Pulmonary circulation

d)

Systemic circulation

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