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Practice for October Assessments Part 1

Total questions: 124

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

Match the following

a)

Uses sunlight to create glucose sugar

1.

Chloroplast

b)

Breaks down waste using Digestive Enzymes

2.

Lysosome

c)

Converts glucose into usable energy

3.

Mitochondria

d)

Modifies, sorts, and packages proteins

4.

Golgi Apparatus Body

2.

The smallest unit of an organism, it is enclosed by a membrane and performs life functions

a)

cell

b)

nucleus

c)

mitochondria

d)

cytoplasm

3.

Match the following

a)

Offers Support and structure to the cell

1.

Cell Wall

b)

Controls what may enter or leave the cell

2.

Cell Membrane

c)

Storage site of water and nutrients

3.

Vacuole

d)

A gel-like fluid that fills empty space in the cell

4.

Cytoplasm

4.
What do vacuoles do? 
a)

They actually do not have an important role

b)

They protect the cell

c)

They are the brain of the cell

d)

storage area for cells; water storage in plants; stores waste 

5.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
6.

Which one of these is not a part of an animal cell?

a)

Nucleus

b)

Cytoplasm

c)

Cell wall

d)

Cell membrane

7.

Which part helps plants with the process of photosynthesis?

a)

Vacuole

b)

Nucleus

c)

Cytoplasm

d)

Chloroplast

8.

What is the job of a cell membrane?

a)

To give them a strong shape

b)

To make food

c)

To control the entry and exit of substances

d)

To release energy

9.

Respiration is a vital function that all living things carry out.

a)

True

b)

False

10.

Respiration takes place in

a)

the cells

b)

the lungs

c)

the heart

d)

the brain

11.

Respiration is a chemical reaction.

a)

True

b)

False

12.

For respiration to take place glucose needs to react with substance A. Select substance A.

a)

Carbon dioxide

b)

Water

c)

Oxygen

d)

Ozone

13.

When respiration takes place, energy is produced along with another two substances B and C. Select substances B and C.

a)

Carbon dioxide

b)

Water

c)

Oxygen

d)

Hydrogen

14.

The glucose used during respiration is provided by our

a)

digestive system

b)

respiratory system

c)

circulatory system

15.

The oxygen used during respiration is provided by our

a)

digestive system

b)

respiratory system

c)

circulatory system

16.

During exercise our body needs to produce more energy by respiration thus it needs

a)

less oxygen

b)

more oxygen

17.

During exercise our body needs to produce more energy by respiration thus it needs more oxygen. Our breathing rate

a)

increases

b)

decreases

18.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

19.

Which of the following represents the process of cellular respiration?

a)

Glucose + water + oxygen --> carbon dioxide + energy

b)

Carbon dioxide + water + energy --> glucose + oxygen

c)

Glucose + oxygen --> carbon dioxide + water + energy

d)

Glucose + water + carbon dioxide --> oxygen + energy

20.

Where does cellular respiration take place?

a)

Mitochondria

b)

Cell Membrane

c)

Nucleus

d)

Ribosomes

21.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

22.

True or False: Plants make their own food and use the energy from the food that is made.

a)

True

b)

False

23.

Plant cells make their own food by taking in

a)

oxygen and water.

b)

oxygen and hydrogen.

c)

carbon dioxide and water.

d)

carbon dioxide and oxygen.

24.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
25.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
26.

In what organelle does photosynthesis take place?

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

27.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
28.

What do plants need to perform photosynthesis?

a)

Love

b)

Soil with a high nitrogen (N) content

c)

Water (H2O) + Carbon Dioxide (CO2) and Sunlight Energy

d)

Pollinators such as bees and hummingbirds

29.

Photosynthesis is a biological process that occurs in autotrophs. Which of the following is produced as a result of photosynthesis?

a)

Water and light

b)

Glucose and chlorophyll

c)

Glucose and oxygen

d)

Carbon dioxide and water

30.

Which pH value indicates the most basic solution?

a)

7

b)

8

c)

3

d)

11

31.

Which is the most likely pH for a solution of a weak acid?

a)

1

b)

5

c)

11

d)

14

32.

If a solution is acidic, it can be neutralized by adding

a)

a stronger acid

b)

heat

c)

a base

d)

a weaker acid

33.

When the pH of a solution becomes more basic, the number on the pH scale

a)

decreases

b)

increases

c)

stays the same

d)

triples

34.

What is the pH of a solution that results from the complete neutralization of an HCl solution with a KOH solution?

a)

1

b)

7

c)

10

d)

4

35.

Which solution reacts with LiOH to produce a salt and water?

a)

KCl

b)

CaO

c)

NaOH

d)

H2SO4

36.

When an acid and a base are mixed, what is the reaction called?

a)

Neutralization

b)

Hydrolyzed

c)

Hydro Ionization

d)

A salt and a water reaction

37.

What base has a pH of 8.5?

a)

Blood

b)

Soap

c)

Baking Soda

d)

Drain Cleaner

38.

Lemons would be classified as a

a)

Strong base

b)

Weak Base

c)

Strong Acid

d)

Weak Acid

39.

In a water solution, how do acids differ from bases?

a)

Acids form salts, but bases do not

b)

Acids turn litmus blue, while bases turn litmus red

c)

Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)

d)

Bases form salts, but acids do not

40.

Marti took a balloon and filled it with 14 grams of baking soda. She then put 40 mL of vinegar into an empty water bottle. Marti stretched the balloon onto the top of the bottle and recorded the mass. She then flipped the balloon up so the baking soda fell into the vinegar. She observed it bubbling and could hear it fizzing. Marti laughed as the balloon filled with the carbon dioxide that was given off. After the reaction stopped, on the bottom of the bottle, Marti notices a white and clear substance. She remembers that she had learned that when you mix an acid (Vinegar) and a base (baking soda), you create

a)

acid and metal

b)

acid and base

c)

base and water

d)

salt and water

41.

Which pH value indicates the most basic solution?

a)

7

b)

8

c)

3

d)

11

42.

Which is the most likely pH for a solution of a weak acid?

a)

1

b)

5

c)

11

d)

14

43.

If a solution is acidic, it can be neutralized by adding

a)

a stronger acid

b)

heat

c)

a base

d)

a weaker acid

44.

When the pH of a solution becomes more basic, the number on the pH scale

a)

decreases

b)

increases

c)

stays the same

d)

triples

45.

What is the pH of a solution that results from the complete neutralization of an HCl solution with a KOH solution?

a)

1

b)

7

c)

10

d)

4

46.

Which solution reacts with LiOH to produce a salt and water?

a)

KCl

b)

CaO

c)

NaOH

d)

H2SO4

47.

When an acid and a base are mixed, what is the reaction called?

a)

Neutralization

b)

Hydrolyzed

c)

Hydro Ionization

d)

A salt and a water reaction

48.

What base has a pH of 8.5?

a)

Blood

b)

Soap

c)

Baking Soda

d)

Drain Cleaner

49.

Lemons would be classified as a

a)

Strong base

b)

Weak Base

c)

Strong Acid

d)

Weak Acid

50.

In a water solution, how do acids differ from bases?

a)

Acids form salts, but bases do not

b)

Acids turn litmus blue, while bases turn litmus red

c)

Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)

d)

Bases form salts, but acids do not

51.

Marti took a balloon and filled it with 14 grams of baking soda. She then put 40 mL of vinegar into an empty water bottle. Marti stretched the balloon onto the top of the bottle and recorded the mass. She then flipped the balloon up so the baking soda fell into the vinegar. She observed it bubbling and could hear it fizzing. Marti laughed as the balloon filled with the carbon dioxide that was given off. After the reaction stopped, on the bottom of the bottle, Marti notices a white and clear substance. She remembers that she had learned that when you mix an acid (Vinegar) and a base (baking soda), you create

a)

acid and metal

b)

acid and base

c)

base and water

d)

salt and water

52.
Which has a pH below 7?
a)
Acid
b)
Base
53.
Which has a bitter taste?
a)
Base
b)
Acid
c)
flagella
d)
cila
54.
Turns litmus red
a)
Acids
b)
Bases
c)
All
55.

What pH is the strongest base?

a)

1

b)

7

c)

4

d)

14

56.
What methods can you use to measure the pH of a solution?
a)
Observing color or clarity
b)
Measuring mass or volume
c)
Measuring density or electrical conductivity
d)
Using acid base-indicators or pH meters
57.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
58.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
59.
Why are bases useful as cleaning products?
a)
They dissolve fats and oils
b)
they are corrosive, so they eat anything
c)
they don't mix with water
d)
since bases are slippery, they slip dirt off of surfaces
60.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
61.

What test can the students perform to correctly and safely identify acids and bases? They used litmus paper. The blue litmus turned red which indicates.......?

a)

Base

b)

Neutral

c)

alkaline

d)

acid

62.

A student uses litmus to test an unknown substance. The red litmus turns blue which indicates. the solution is .......?

a)

Base

b)

Neutral

c)

Acid

d)

positive hydrogen

63.

Which of the following would increase the rate of a chemical reaction?

a)

Freezing the chemicals

b)

Increasing the temperature of the reagents

c)

Removing a catalyst

d)

Using less chemicals

64.

Which of the following would increase the rate of a chemical reaction?

a)

Removing a catalyst

b)

Diluting the chemicals

c)

Decreasing the temperature

d)

Adding a catalyst

65.

Which colour on the graph would represent the solution with the higher temperature?

a)

Red

b)

Blue

c)

None

d)

Both

66.

Which colour on the graph would represent the solution with a catalyst?

a)

Red

b)

Blue

c)

Both

d)

None

67.

Which of the following would increase the rate of CO2 made using marble chips and HCl?

a)

Lowering the temperature

b)

Crushing the marble chips

c)

Using less acid

d)

Using bigger marble chips

68.

Which of the following lines represents the chemical with the lower concentration?

a)

Red

b)

Blue

c)

Both

d)

None

69.

A chemical reaction in which energy is absorbed is ______________.

a)

an endothermic reaction

b)

an exothermic reaction

c)

a single replacement reaction

d)

a double replacement reaction

70.

A chemical reaction in which energy is released or removed is ______________.

a)

endothermic

b)

exothermic

71.
What is the activation energy?
a)
The energy of the products
b)
The energy of the reactants
c)
The minimum energy needed by the reactants to form the products.
d)
The energy lost in the reaction
72.
What kind of reaction is this?
a)
Endothermic
b)
Exothermic
c)
Cannot be determined
73.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

74.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

75.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic Reaction

76.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic reaction

77.

Solid --> liquid --> gas is what type of reaction?

a)

endothermic

b)

exothermic

c)

catalytic

d)

inhibited

78.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
79.

What does a catalyst do in a chemical reaction?

a)

Increases the activation energy

b)

Decreases the activation energy

c)

Increases the temperature

d)

Decreases the temperature

80.

What is the energy that the reactants need in order to collide successfully called?

a)

Activation energy

b)

Kinetic energy

c)

Chemical energy

d)

Potential energy

81.

What factor can be used to control the rate of a reaction by increasing the surface area of a solid reactant?

a)

Increasing the concentration of a reactant in solution

b)

Increasing the surface area of a solid reactant

c)

Increasing the energy (heat)

d)

Increasing the pressure of a gaseous reactant

82.

What is the concept of energy as the ability to do work?

a)

Ability to do work over time

b)

Ability to do work over distance

c)

Ability to do work over area

d)

Ability to do work over volume

83.

What factor affects the rate of a reaction by changing the concentration of a reactant in solution?

a)

Increasing the temperature

b)

Increasing the pressure of a gaseous reactant

c)

Increasing the surface area of a solid reactant

d)

Increasing the concentration of a reactant in solution

84.

What is the concept of activation energy in a chemical reaction?

a)

Energy released during a reaction

b)

Energy absorbed during a reaction

c)

Energy required to initiate a reaction

d)

Energy stored in the reactants

85.

A temperature increase causes the particles ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

86.

How does a catalyst work in speeding up a reaction?

a)

By lowering the activation energy or reaction

b)

by giving them more energy

c)

by making them more available

87.
The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?
a)
Red, because the activation energy is larger
b)
Blue, because the activation energy is lower
c)
both reaction progress at the same rate
88.

The ______________is required to break the bonds of the reactants.

a)

Carbonic energy

b)

Activation energy

c)

Plutonic energy

d)

Energi Gaib

89.
The SI unit of heat and energy is the __________.
a)
calorie
b)
heat
c)
joule
d)
watt
90.
In an endothermic reaction the products have 
a)
more energy than the reactants
b)
less energy than the reactants
c)
the same energy as the reactants
d)
no energy
91.

Which of the following would increase the rate of CO2 made using marble chips and HCl?

a)

Lowering the temperature

b)

Crushing the marble chips

c)

Using less acid

d)

Using bigger marble chips

92.

Which graph shows the effect of increasing temperature on the rate of reaction of calcium carbonate with dilute hydrochloric acid?

a)

b)

c)

d)

93.
In which experiment is the rate of reaction between hydrochloric acid and calcium carbonate slowest? 
a)
A
b)
B
c)
C
d)
D
94.

Which of the following would increase the rate of a chemical reaction?

a)

Freezing the chemicals

b)

Increasing the temperature of the reagents

c)

Removing a catalyst

d)

Using less chemicals

95.

Which of the following would increase the rate of a chemical reaction?

a)

Removing a catalyst

b)

Diluting the chemicals

c)

Decreasing the temperature

d)

Adding a catalyst

96.

Which colour on the graph would represent the solution with the higher temperature?

a)

Red

b)

Blue

c)

None

d)

Both

97.

Which colour on the graph would represent the solution with a catalyst?

a)

Red

b)

Blue

c)

Both

d)

None

98.

Which of the following would increase the rate of CO2 made using marble chips and HCl?

a)

Lowering the temperature

b)

Crushing the marble chips

c)

Using less acid

d)

Using bigger marble chips

99.

Which of the following lines represents the chemical with the lower concentration?

a)

Red

b)

Blue

c)

Both

d)

None

100.

A chemical reaction in which energy is absorbed is ______________.

a)

an endothermic reaction

b)

an exothermic reaction

c)

a single replacement reaction

d)

a double replacement reaction

101.

A chemical reaction in which energy is released or removed is ______________.

a)

endothermic

b)

exothermic

102.
What is the activation energy?
a)
The energy of the products
b)
The energy of the reactants
c)
The minimum energy needed by the reactants to form the products.
d)
The energy lost in the reaction
103.
What kind of reaction is this?
a)
Endothermic
b)
Exothermic
c)
Cannot be determined
104.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

105.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

106.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic Reaction

107.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic reaction

108.

Solid --> liquid --> gas is what type of reaction?

a)

endothermic

b)

exothermic

c)

catalytic

d)

inhibited

109.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
110.

What does a catalyst do in a chemical reaction?

a)

Increases the activation energy

b)

Decreases the activation energy

c)

Increases the temperature

d)

Decreases the temperature

111.

What is the energy that the reactants need in order to collide successfully called?

a)

Activation energy

b)

Kinetic energy

c)

Chemical energy

d)

Potential energy

112.

What factor can be used to control the rate of a reaction by increasing the surface area of a solid reactant?

a)

Increasing the concentration of a reactant in solution

b)

Increasing the surface area of a solid reactant

c)

Increasing the energy (heat)

d)

Increasing the pressure of a gaseous reactant

113.

What is the concept of energy as the ability to do work?

a)

Ability to do work over time

b)

Ability to do work over distance

c)

Ability to do work over area

d)

Ability to do work over volume

114.

What factor affects the rate of a reaction by changing the concentration of a reactant in solution?

a)

Increasing the temperature

b)

Increasing the pressure of a gaseous reactant

c)

Increasing the surface area of a solid reactant

d)

Increasing the concentration of a reactant in solution

115.

What is the concept of activation energy in a chemical reaction?

a)

Energy released during a reaction

b)

Energy absorbed during a reaction

c)

Energy required to initiate a reaction

d)

Energy stored in the reactants

116.

A temperature increase causes the particles ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

117.

How does a catalyst work in speeding up a reaction?

a)

By lowering the activation energy or reaction

b)

by giving them more energy

c)

by making them more available

118.
The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?
a)
Red, because the activation energy is larger
b)
Blue, because the activation energy is lower
c)
both reaction progress at the same rate
119.

The ______________is required to break the bonds of the reactants.

a)

Carbonic energy

b)

Activation energy

c)

Plutonic energy

d)

Energi Gaib

120.
The SI unit of heat and energy is the __________.
a)
calorie
b)
heat
c)
joule
d)
watt
121.
In an endothermic reaction the products have 
a)
more energy than the reactants
b)
less energy than the reactants
c)
the same energy as the reactants
d)
no energy
122.

Which of the following would increase the rate of CO2 made using marble chips and HCl?

a)

Lowering the temperature

b)

Crushing the marble chips

c)

Using less acid

d)

Using bigger marble chips

123.

Which graph shows the effect of increasing temperature on the rate of reaction of calcium carbonate with dilute hydrochloric acid?

a)

b)

c)

d)

124.
In which experiment is the rate of reaction between hydrochloric acid and calcium carbonate slowest? 
a)
A
b)
B
c)
C
d)
D

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