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Photosynthesis

Total questions: 41

Worksheet time: 10hrs 15mins

Name
Class
Date
1.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

3.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

4.

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 stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

5.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
6.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
7.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

8.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
9.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
10.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

11.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
12.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
13.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
14.

The process of converting carbon dioxide into sugars is called what?

a)

Photosynthesis

b)

Glycolisis

c)

The Calvin Cycle

d)

Cellular Respiration

15.

What two forms of energy are produced from the light-dependent reaction?

a)

Energy and water

b)

ATP and ADP

c)

ATP and NADPH

d)

NADP and NADPH

16.

Why do some leaves turn from green to red, orange, or yellow in the fall?

a)

Chlorophyll breaks down and its stored

b)

Chlorophyll production increases

c)

Chlorophyll leaks out of the leaves

d)

Chlorophyll changes colors in cool weather

17.

What occurs in the Calvin Cycle of photosynthesis?

a)

nothing happens there is no energy

b)

glucose is synthesized from CO2

c)

Oxygen is being converted into sugar

18.

Process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches

a)

Photosynthesis

b)

ATP synthase

c)

Calvin Cycle

d)

Photosystems

19.

Series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions

a)

NADP+

b)

Light-independent

c)

Light-dependent

d)

Electron transport chains

20.

Saclike photosynthetic membranes found in chloroplasts

a)

Stroma

b)

Thylakoid

c)

Pigments

d)

Photosystems

21.

Compound used by cells to store and release energy

a)

ATP

b)

ATP synthase

c)

Stroma

d)

NADP+

22.

Light-independent reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugar

a)

Stroma

b)

ATP synthase

c)

Calvin Cycle

d)

Electron Transport Chains

23.

Cluster of proteins that span the cell membrane and allow hydrogen ions to pass through it

a)

Photosystems

b)

Calvin Cycle

c)

Electron Transport Chain

d)

ATP synthase

24.

Nicotinamide adenine dinucleotide phosphate; carrier molecule that transfers high-energy electrons from chlorophyll to other molecules

a)

NADP+

b)

ATP

c)

ATP synthase

d)

Calvin Cycle

25.

Cluster of chlorophyll and proteins found in thylakoids

a)

Photosystems

b)

Stroma

c)

Pigments

d)

Electron transport chains

26.

Fluid portion of the chloroplast; outside of the thylakoids

a)

Chlorophyll

b)

Stroma

c)

ATP

d)

NADP+

27.

Set of reactions in photosynthesis that use energy from light to produce ATP and NADPH

a)

Light-dependent

b)

Light-independent

c)

Calvin Cycle

d)

Electron transport chains

28.

ATP is also known as

a)

aldehyde triphosphate

b)

arginine titraphosphate

c)

adenine tetra phosphate

d)

adenine triphosphate

29.

Which of the following is the correct BALANCED Equation for Photosynthesis?

a)

Light + H2O + CO2 --> 6O2 + C6H12O6

b)

6O2 + C6H12O6 --> Light + 6H2O + 6CO2

c)

Light + 6O2 + C6H12O6 --> 6H2O + 6CO2

d)

Light + 6H2O + 6CO2 --> 6O2 + C6H12O6

30.

Which molecule safely carries high energy electrons during Photosynthesis?

a)

NADPH

b)

ATP

c)

Glucose

d)

Phosphates

31.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

32.

Light independent reactions are also known as

a)

Calvin Cycle

b)

Krebs Cycle

c)

Carbon Cycle

d)

Nitrogen Cycle

33.

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

34.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
35.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
36.

Drag to label the Products

37.

Select all the PRODUCTS of photosynthesis.

38.

Drag to label the Reactants

39.

Drag to label illustration

40.

What is the primary purpose of photosynthesis?

a)

To produce oxygen for animals

b)

To convert light energy into chemical energy

c)

To absorb carbon dioxide from the atmosphere

d)

To create heat energy for the plant

41.

The chlorophyll in photosynthesis is used for:

a)

Absorbing light

b)

Breaking down water molecule

c)

No function

d)

Reduction of CO2