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Photosynthesis Review

Total questions: 31

Worksheet time: 19mins

Name
Class
Date
1.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
2.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
3.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
4.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
5.
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.
6.
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
7.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
8.

Radiant energy from the Sun is very important to life on Earth. It is unique because,

unlike sound waves, it can travel through________

a)

Solids

b)

Liquids

c)

Gases

d)

Space

9.

The colors that you see are ________ from the object.

a)

Absorbed

b)

reflected

c)

transmitted

d)

all of the above

10.

What are the reactants for photosynthesis? Select all that apply.

a)

Carbon Dioxide

b)

4CH4

c)

Radiant Energy

d)

Water

11.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

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

b)

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

c)

6CO2 + light + 6H2O --> 6O2 + C6H6O6

d)

6CO2 + light + H2O --> 6O2 + C6H6O6

12.
Fill in the blank:
The law of conservation of mass states that matter cannot be created nor __________________.
a)
destroyed
b)
rearranged
c)
transferred
d)
changed
13.
The following chemical reaction occurs:
2S + 3O2 -> 2SO3
How many atoms of oxygen are there in the reactant?
a)
2 atoms of oxygen
b)
3 atoms of oxygen
c)
6 atoms of oxygen
d)
1 atom of oxygen
14.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
15.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
16.
Law of conservation of mass states that 
a)
matter is created
b)
matter is destroyed
c)
matter is neither created nor destroyed
d)
matter does not change
17.

What is the function of the xylem?

a)

Transport sucrose from the roots to the leaves

b)

Transport sucrose and other organic substances from the roots to the leaves.

c)

Transport water and minerals from the roots to the leaves

d)

Transport water and minerals from the leaves to the roots.

18.
Carbon dioxide and oxygen both enter and leave the leaf at the 
a)
pore
b)
spongy measophyll
c)
guard cells
d)
stomata
19.

The structure that allows gases to enter and exit plant leaves

a)

Thylakoid

b)

Stomata

c)

Roots

d)

Stems

20.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
21.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
22.

What is C6H12O6?

a)

Carbon dioxide

b)

water

c)

light energy

d)

glucose

23.

What is the common name for Glucose?

a)

Salt

b)

Pepper

c)

Water

d)

Sugar

24.

In a chemical equation ---> means?

a)

stop

b)

go over there

c)

Iron Man

d)

yields

e)

move to the right

25.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
26.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
27.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
28.
In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?
a)
H3PO4
b)
H2SO4
c)
HClO3
d)
H2O
29.
Which of the following equations are correctly balanced?
a)
12CO2 +H2O --> C6H12O6 + O2
b)
CO2 + 9H2O --> C6H12O6 + O2
c)
CO2 + H2O --> 3C6H12O6 + O2
d)
6CO2 + 6H2O --> C6H12O6 + 6O2
30.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
31.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4

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