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Photosynthesis (Supported Biology)

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
2.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
3.
What is the chemical formula for carbon dioxide?
a)
H2O
b)
CO2
c)
CHO2
d)
CO2H
4.
What is the chemical formula for oxygen?
a)
H12O2
b)
C6O2
c)
O3
d)
O2
5.

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

6.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
7.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO+ light + H2O --> O+ Sugar
b)
CO+ sugar + H2O --> O+ light
c)
O2 + light + H2O --> CO+ Sugar
d)
CO+ O2 + H2O --> Light+ Sugar
8.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
9.

Most of the oxygen in the Earth’s atmosphere was produced by —

a)

a big explosion

b)

photosynthesis

c)

digestion

d)

metabolism

10.

During photosynthesis ​ (a)   energy is converted into ​ (b)   energy.

Choose from the below words
light
chemical
ATP
electric
11.

What are the three reactants of photosynthesis?

a)

oxygen

b)

water

c)

glucose

d)

carbon dioxide

e)

light energy

12.

What are the two products of photosynthesis?

a)

oxygen

b)

water

c)

glucose

d)

carbon dioxide

e)

light energy

13.

Which organisms are capable of performing photosynthesis?

a)

some bacteria

b)

animals

c)

algae

d)

plants

14.

C6H12O6 is the chemical formula for this important molecule made during photosynthesis

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

light energy

15.

Where are pigments for photosynthesis found?

a)

in light energy

b)

in plant roots

c)

in chloroplasts

16.

The main pigment in photosynthesis is ​ (a)   and it is found inside of ​ (b)  

Choose from the below words
chlorophyll
chloroplasts
cells
ATP
mitochondria
17.

Where do the Light Reactions of photosynthesis take place in the chloroplast?

a)

stroma

b)

thylakoid

c)

granum

d)

double membrane

18.
Which of the following is an example of a HETEROTROPH?
a)
Grass
b)
Algae
c)
Lemon Tree
d)
Bear
19.
The cell organelle that is the site for photosynthesis is called:
a)
mitochondria
b)
nucleus
c)
cytoplasm
d)
chloroplast
20.
Plants give off _____ that animals need to take in;  animals give off _____ that plants need to take in.
a)
oxygen; carbon dioxide
b)
nitrogen; oxygen
c)
carbon dioxide; oxygen
d)
helium; nitrogen