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Photosynthesis Quiz

Total questions: 54

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
What is the source of energy for photosynthesis?
a)
Carbohydrates (chemical energy)
b)
Light (radiant energy)
c)
Heat (thermal energy)
d)
Wind (kinetic energy)
2.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
3.
Which of the following examples go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
4.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
5.

________ is the process that plants use to make their own food.

a)

hibernation

b)

migration

c)

photosynthesis

d)

transpiration

6.

What are the products (comes out) of photosynthesis.

a)

sugar

b)

sunlight

c)

water

d)

oxygen

7.
Organisms that create their own energy from sunlight or chemicals
a)
Herbivore
b)
Omnivore
c)
Autotroph
d)
Heterotroph 
8.
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
9.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
10.
What gas is being released during photosynthesis
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
11.

Which of the following is NOT a product of the light reactions?

a)

Oxygen

b)

NADPH

c)

ATP

d)

Glucose (Sugar)

12.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

13.

Which of the following is NOT a reactant of photosyntehsis?

a)

Water

b)

Sunlight

c)

Carbon Dioxide

d)

Oxygen

14.

The image to the left shows a picture of photosyntehsis. Which side of the arrow shows reactants?

a)

Right

b)

Left

15.

The image to the left shows a picture of photosyntehsis. Which side of the arrow shows products?

a)

Right

b)

Left

16.

Where does energy for all living things come from?

a)

Photosynthesis

b)

Cell Respiration

c)

The Sun

d)

Food

17.

What is PHOTOSYNTHESIS?

a)

The process by which green plants make their own food.

b)

The process of putting things together.

18.
What is the name of the green pigment inside plants?
a)
Monophyll
b)
Chlorophyll
c)
Epiphyll
d)
Glorophyll
19.

An organism that can make its own food

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

20.

An organism that cannot make its own food.

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

21.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

22.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
23.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
24.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
25.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
26.
What three things do plants need?
a)
Water, air, and sunlight.
b)
Water, soil, and sunlight.
c)
Water, soil, and air.
d)
Love, family, and Cheetos.
27.
What does a plant release into the air?
a)
Plants release carbon dioxide into the air.
b)
Plants release sugar into the air.
c)
Plants release oxygen into the air.
d)
Plants release bacon into the air.
28.
Where does a plant get carbon dioxide from?
a)
A plant gets carbon dioxide from the soil.
b)
A plant gets carbon dioxide from the air.
c)
A plant gets carbon dioxide from the water.
d)
A plant gets carbon dioxide at the Shell gas station.
29.
Where does photosynthesis take place?
a)
The leaves.
b)
The roots.
c)
The branches.
d)
The kitchen.
30.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
carbon dioxide + water --> oxygen + glucose
b)
carbon dioxide + glucose + water --> oxygen 
c)
oxygen + water --> carbon dioxide + glucose
d)
glucose+ oxygen ---> water + carbon dioxide 
31.

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
32.
If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of high-energy sugars (rate of photosynthesis)?
a)
Sugar production will likely increase.
b)
Sugars will not be produced.
c)
The rate of sugar production will decrease .
d)
Fewer sugars will be produced at first, but then the plant will recover.
33.
The raw materials or reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
34.
The rate of photosynthesis is affected by all of the following except
a)
the amount of salt.
b)
the availability of water.
c)
light intensity.
d)
temperature (enzymes).
35.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2 
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
36.
The single, flattened structure is called a
a)
Stroma
b)
Pigment
c)
Thylakoid
d)
Chloroplast
37.

Which of the following best describes how plants use the energy they receive from the sunlight?

a)

They change water into heat

b)

They produce their own food

c)

They make minerals for their roots

d)

They break down nutrients into rocks

38.

The light-DEPENDENT reaction of photosynthesis needs... (multi-select)

a)

Water

b)

Light

c)

Chlorophyll

d)

Carbon Dioxide

39.

The light-INDEPENDENT reaction of photosynthesis needs...

a)

Water

b)

Light

c)

Chlorophyll

d)

Carbon Dioxide

40.

Which part of the plant collects the sun's energy and makes food?

a)

Leaf

b)

Stem

c)

Roots

d)

Flower

41.

What type of organisms perform photosynthesis?

a)

all autotrophs

b)

plants only

c)

all organisms but animals

d)

all organisms

42.

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

43.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

44.

Chlorophyll is:

a)

The substance that makes plants green.

b)

Found inside the chloroplast cells.

c)

Used to absorb energy from the sun.

d)

All of the above.

45.

How do humans get glucose so they can live?

a)

breathe it in

b)

photosynthesis

c)

eat food

d)

drink liquids

46.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the xylem

c)

It's made during a chemical reaction in the stem

d)

The flowers capture water and deliver it to the leaves

47.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
48.

Glucose can be converted into _____

a)

starch

b)

chlorophyll

c)

fudge

d)

DNA

49.

Animals have to eat other things to get their food but plants can make it themselves. Plants are known as ‘_____

a)

directors

b)

chefs

c)

producers

d)

greens

50.

The sugars made during photosynthesis are quickly changed into (a)   .

51.

What is going to be observed after one week?

a)

Plant A dies, plant B alive

b)

Plant A alive, plant B dies

c)

Plant A is more alive than plant B

52.

Why are plants usually green?

a)

Because the chlorophyll reflects green light

b)

Because the chlorophyll absorbs green light

c)

Because the accessory pigments combine to make green

d)

Because the accessory pigments only absorb green light

53.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
54.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH

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