Free Printable Photosynthesis

1.

What is the process that plants use to make sugar?

a)

Photosynthesis

b)

Cell Respiration

c)

Chloroplast

d)

Mitochondria

2.

What organelle do plants use to make sugar?

a)

Photosynthesis

b)

Cell Respiration

c)

Chloroplast

d)

Mitochondria

3.

What type of organism can produce their own food (sugar)?

a)

Autotroph

b)

Heterotroph

4.

What type of organism cannot produce their own food (must consume other organisms)?

a)

Autotroph

b)

Heterotroph

5.

Which of the following is an autotroph?

a)

Cat

b)

Bacteria

c)

Rose bush

d)

Worm

6.

Which of the following is an example of a heterotroph?

a)

Oak tree

b)

Soy bean plant

c)

Deer

d)

Dandelion

7.

What is the name of the green pigment found inside of chloroplast?

a)

Chlorophyll

b)

Thylakoid

c)

Stroma

d)

Mitochondria

8.

What is the small, flat disk found inside a chloroplast?

a)

Chlorophyll

b)

Thylakoid

c)

Stroma

d)

Mitochondria

9.

What is the fluid matrix found inside a chloroplast?

a)

Chlorophyll

b)

Thylakoid

c)

Stroma

d)

Mitochondria

10.

What organelle do plants use to break down sugar for energy (ATP)?

a)

Chlorophyll

b)

Thylakoid

c)

Chloroplast

d)

Mitochondria

11.

What is the balanced chemical equation of photosynthesis?

a)

6 $CO_2$ + 6 $H_2O_{_{ }}$ + light --> 1 $C_6H_{12}O_6$ + 6 $O_2$

b)

1 $C_6H_{12}O_6$ + 6 $O_2$ --> 6 $CO_2$ + 6 $H_2O_{_{ }}$ + light

c)

6 $CO_2$ + 6 $H_2O_{_{ }}$ + 1 $C_6H_{12}O_6$ + 6 $O_2$ --> light

d)

6 $O_2$ + 6 $H_2O_{_{ }}$ + light --> 1 $C_6H_{12}O_6$ + 6 $O_2$

12.

Which of the following is the chemical formula for oxygen

a)

$O_2$

b)

$H_2O$

c)

$CO_2$

d)

$C_6H_{12}O_6$

13.

Which of the following is the chemical formula for water?

a)

$O_2$

b)

$H_2O$

c)

$CO_2$

d)

$C_6H_{12}O_6$

14.

Which of the following is the chemical formula for carbon dioxide?

a)

$O_2$

b)

$H_2O$

c)

$CO_2$

d)

$C_6H_{12}O_6$

15.

Which of the following is the chemical formula for glucose?

a)

$O_2$

b)

$H_2O$

c)

$CO_2$

d)

$C_6H_{12}O_6$

16.

Where does the light reaction occur?

a)

Thylakoid

b)

Stroma

c)

Mitochondria

d)

Cytoplasm

17.

Where does the Calvin Cycle occur?

a)

Thylakoid

b)

Stroma

c)

Mitochondria

d)

Cytoplasm

18.

What reactants are used in the light reaction? (select all)

a)

Light

b)

Carbon dioxide

c)

Water

d)

Oxygen

e)

Glucose

19.

What products are made in the light reaction? (select all)

a)

High energy electrons

b)

Carbon dioxide

c)

Water

d)

Oxygen

e)

Glucose

20.

What reactants are used in the Calvin Cycle? (select all)

a)

High energy electrons

b)

Carbon dioxide

c)

Water

d)

Oxygen

e)

Glucose

21.

What products are made in the Calvin Cycle? (select all)

a)

High energy electrons

b)

Carbon dioxide

c)

Water

d)

Oxygen

e)

Glucose

22.

Where do plants store extra glucose that is made during photosynthesis? (select all that apply)

a)

Fruits

b)

Roots

c)

Leaves

d)

Stem

23.

What happens to the rate of photosynthesis when plants have more direct sunlight?

a)

Increases

b)

Decreases

c)

Remains the same

24.

What happens to the rate of photosynthesis when plants have lower carbon dioxide levels?

a)

Increases

b)

Decreases

c)

Remains the same

25.

What happens to the rate of photosynthesis when plants are in warmer temperatures?

a)

Increases

b)

Decreases

c)

Remains the same

Photosynthesis

Total questions: 25

Worksheet time: 14mins

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