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Photosynthesis

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Where in a plant cell does photosynthesis take place

a)

Palisade cells

b)

Chlorophyll

c)

Chloroplasts

d)

Vacuole

2.

What is the purpose of photosynthesis?

a)

To release energy

b)

To create glucose

c)

To grow

d)

To get oxygen for respiration

3.

Which of these is the correct equation for photosynthesis?

a)

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

b)

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

c)

6CO2 + 12H2O --> C6H12O6 + 6H2O + 6O2

d)

6CO2 + 6H2O --> O2 + C6H12O6

4.

What are the products of photosynthesis?

a)

Oxygen and Energy

b)

Carbon Dioxide and Glucose

c)

Glucose and Oxygen

d)

Oxygen and Water

5.

Identify what is shown in the picture

a)

chlorophyll

b)

stomata

c)

carbon dioxide

d)

veins

6.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
7.

Energy stored in all the fossils fuels is made during the process of

a)

Fossilization

b)

Oxidation

c)

Photosynthesis

d)

De-starching

8.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
9.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
10.

Main products of the Calvin Cycle

a)

Oxygen, NADP+, ADP

b)

Glucose, CO2, ADP

c)

ADP, NADP+, Glucose

d)

ATP, NADPH, Oxygen

11.

The Calvin Cycle occurs in the

a)

Thylakoid

b)

Grana

c)

Inner membrane of chloroplast

d)

Stroma

12.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
13.
What is the main purpose of the light dependent reactions?
a)
To provide the energy for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
14.

What supplies the electrons during photolysis?

a)

oxygen

b)

water

c)

glucose

d)

rubisco

15.

Choose the statement that best describes light reaction.

a)

It converts CO2 to sugar molecule

b)

It converts light energy to chemical energy of ATP and NADPH

c)

It takes place in the stroma

16.

Which of the following is not needed to start the light reaction

a)

H2O

b)

ADP + P

c)

CO2

17.

When electrons are passed through an electron transport chain, released energy

a)

is lost as heat

b)

splits water into hydrogen and oxygen

c)

fuses carbon dioxide molecules into sugar

d)

is transformed into a hydrogen ion gradient to drive ATP synthesis

18.

The source of oxygen gas that is released during photosynthesis is from

a)

Water

b)

Carbon Dioxide

c)

Glucose

d)

ATP

19.

______ is the final electron acceptor in Photosystem I.

a)

Water

b)

Chlorophyll

c)

NADP+

d)

Oxygen

20.

The products of light-dependent reactions of photosynthesis are

a)

sugar and water

b)

Sugar and oxygen

c)

ATP, NADPH, and oxygen

d)

ATP and Sugar

21.

Autotroph: plants ; __________: Animals

a)

Heterotroph

b)

Herbivores

c)

Huntingtons

d)

Helicopter

22.

The products of photosynthesis are

a)

water and carbon dioxide

b)

sugar and water

c)

sugar and oxygen

d)

oxygen and water

23.

Which best describes light-independent reactions?

a)

They are the first stage of photosynthesis

b)

They utilize the energy stored in ATP and NADPH

c)

They use carbon dioxide to synthesize proteins

d)

They create energy-rich ATP and NADPH

24.

Where in plants does most photosynthesis occur?

a)

Roots

b)

Flowers

c)

Leaves

d)

all parts of a plant perform photosynthesis

25.

What is the starting source of the carbon in the glucose produced by photosynthesis?

a)

ATP

b)

Cellulose

c)

Carbon Dioxide gas

d)

sugars