wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

endothermic exothermic photosynthesis cellular respiration

Total questions: 58

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

What is the role of Chlorophyll in photosynthesis?

a)

It breaks the hydrogen bonds in water molecules

b)

It converts light energy into chemical energy contained in bonds

c)

It releases absorbs green light waves and reflects all of the other ones

d)

it provides energy for the light dependent reactions

2.
Which color light would likely produce the least amount of bubbles in this setup?
a)
green
b)
blue
c)
white
d)
red
3.

The overall reactions of photosynthesis are best summarized as …

a)

12 CO2 + 6 H2O → C6H12O6 + 12 O2 + 6 H2O.

b)

C6H12O6 + 6 O2 + 6 H2O → 6 CO2 + 12 H2O.

c)

6 CO2 + 6H2O → C6H12O6 + 6 O2 + 6 H2O.

d)

6 CO2 + 12 H2O → C6H12O6 + 12 O2.

4.

Red and blue light support the highest rates of photosynthesis because …

a)

Chlorophylls absorb light of these wavelengths more than other wavelengths.

b)

These are the only wavelengths that carotenoids cannot absorb.

c)

Light of these wavelengths have the highest energy in the visible spectrum.

d)

Light of these wavelengths activate the ATP synthase enzyme.

5.

Why do plants conduct photosynthesis?

a)

To make light

b)

To make glucose

c)

To make mitochondria

d)

To release carbon dioxide

6.

Leaves look green because.....

a)

they eat their vegetables

b)

they contain a molecule named chlorophyll

c)

to blend into their environment

d)

they are sick

7.

Identify the organelle responsible for photosynthesis.

a)

mitochondira

b)

cell wall

c)

chloroplast

d)

centriole

8.

    What is role of chlorophyll

a)

To produce sugar

b)

To trap heat energy

c)

To trap light energy

d)

all of the above

9.

      In which organisms does photosynthesis happen?

a)

Animals

b)

Plants and Animals

c)

Plants

d)

none of the above

10.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
11.
What do plants need for the photosynthesis process?
a)
a camera and tripod
b)
light, carbon dioxide, and water
c)
roots, flowers, and bees
d)
soil, air, and oxygen
12.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
13.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
14.

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

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

15.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
16.

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

a)

True

b)

False

17.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
18.

Product is Glucose

a)

Photosynthesis

b)

Cell Respiration

c)

Cell Transport

d)

Cell Organelles

19.

Energy Storing process

a)

Photosynthesis

b)

Cell Respiration

20.

Glucose is broken down

a)

Cellular Respiration

b)

Photosynthesis

21.

Only in plant cells (or cells with chloroplasts)

a)

Photosynthesis

b)

Cell Transport

c)

Cellular Respiration

22.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
23.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

24.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
25.
In an endothermic reaction the system is releasing energy.
a)
True
b)
False
26.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
27.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
28.

Fire is an example of

a)

exothermic reaction

b)

endothermic reaction

c)

none

d)

both

29.

Fireworks are an example of

a)

exothermic

b)

endothermic

c)

both

d)

none

30.

A melting ice cube is an example of

a)

exothermic

b)

endothermic

c)

none

d)

both

31.

Frying an egg is an example of

a)

exothermic reaction

b)

endothermic reaction

c)

both

d)

none

32.

When rust forms on nails, new bonds are formed and energy is released. This is an example of an _____________ reaction.

a)

endothermic

b)

exothermic

33.

Energy is released during the process of cellular respiration. This is an example of an ___________ reaction.

a)

endothermic

b)

exothermic

34.

During evaporation, water absorbs heat so that bonds can break and water vapor forms. This is an example of an _____________ reaction.

a)

endothermic

b)

exothermic

35.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
36.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released 
37.

O2(g) + 2 H2 (g) → 2 H2O (g) + EnergyO_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy  

a)

endothermic

b)

exothermic

38.

6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O26\ CO_2+\ 6\ H_2O\ +\ Energy\ \rightarrow\ C_6H_{12}O_6\ +\ 6\ O_2

a)

endothermic reaction

b)

exothermic reaction

39.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

40.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

41.
If they energy required to break the bonds is less than the energy given out by making new bonds the reaction is
a)
Exothermic
b)
Endothermic
c)
Neutralisation
42.

Are the products or reactants of this reaction storing more energy in their chemical bonds?

a)

Both storing the same

b)

No way to tell

c)

Products

d)

Reactants

43.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

c)

Energy Producing

d)

No way to tell

44.

Why are chemical equations always balanced? Select ALL that apply.

a)

Matter cannot be created.

b)

Matter cannot be destroyed.

c)

Matter can only be rearranged/conserved.

d)

Matter doesn't matter.

45.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

It is an exothermic reaction

b)

It is an endothermic reaction

46.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
47.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

c)

Kinetic

d)

Potential

48.

6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O26\ CO_2+\ 6\ H_2O\ +\ Energy\ \rightarrow\ C_6H_{12}O_6\ +\ 6\ O_2

a)

endothermic reaction

b)

exothermic reaction

49.

O2(g) + 2 H2 (g) → 2 H2O (g) + EnergyO_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy  

a)

endothermic

b)

exothermic

50.

Which letter shows the activation energy

a)

A

b)

B

c)

C

51.

Which letter represents the reactants?

a)

A

b)

B

c)

C

d)

D

e)

E

52.
In an endothermic reaction the system is releasing energy.
a)
True
b)
False
53.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
54.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
55.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
56.
What is true of this reaction?
a)
Equal amounts of energy were released and absorbed
b)
The reaction released more energy than it absorbed
c)
The reaction absorbed more energy than it released
57.

When energy is absorbed because of a chemical reaction, the reaction is said to be __________.

a)

endothermic

b)

exothermic

c)

limiting

d)

a product

58.

What does a chemical equation describe?

a)

A chemical equation describes reactants and limiting reactants.

b)

A chemical equation describes an acid-base reaction.

c)

A chemical equation describes a chemical reaction.

d)

A chemical equation describes a spontaneous reaction.

Similar Resources on Wayground

4th Quiz - Momentum dan Impuls (Momentum and Impulse)

54 questions

4th Quiz - Momentum dan Impuls (Momentum and Impulse)

quiz

Worksheet

•

10th Grade

Review Quiz- third Periodical Test

63 questions

Review Quiz- third Periodical Test

quiz

Worksheet

•

10th Grade

1.C3.1-3 Heating Curves and Ions Practice

53 questions

1.C3.1-3 Heating Curves and Ions Practice

quiz

Worksheet

•

9th - 12th Grade

Year 10 Mock exam Revision

62 questions

Year 10 Mock exam Revision

quiz

Worksheet

•

10th Grade

DNA / RNA

53 questions

DNA / RNA

quiz

Worksheet

•

9th - 10th Grade

Unit 8 Evolution Review

56 questions

Unit 8 Evolution Review

quiz

Worksheet

•

10th Grade

CHAPTER 10 ENVIRONMENTAL SUSTAINABILITY

60 questions

CHAPTER 10 ENVIRONMENTAL SUSTAINABILITY

quiz

Worksheet

•

10th - 12th Grade

Remidial KIMIA semester genap

60 questions

Remidial KIMIA semester genap

quiz

Worksheet

•

10th Grade