wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Photosynthesis Review Questions

Total questions: 25

Worksheet time: 27mins

Name
Class
Date
1.

Chlorophyll reflects which color of light?

a)

red

b)

green

c)

orange

d)

blue

2.

Where does the energy for photosynthesis come from?

a)

Pigments reflecting light energy

b)

Pigments absorbing light energy

c)

Roots absorbing water

d)

Leaves going through transpiration

3.

Where in the chloroplast of a plant cell is chlorophyll found?

a)

on the outer chloroplast membrane

b)

in the cytoplasm of the cell

c)

in the stroma

d)

in the thylakoids

4.

Which of the following occurs in the light-independent reactions of photosynthesis?

a)

water is broken down

b)

glucose is produced

c)

oxygen is released

d)

ATP is produced

5.

The oxygen released in photosynthesis comes from

a)

carbon dioxide

b)

glucose

c)

atmospheric oxygen

d)

water

6.

The two photosystems of the light reactions are designated

a)

Type 1 and type 2

b)

Type I and Type II

c)

Type A and Type B

d)

Photosystem I and Photosystem II

7.

All EXCEPT which of the following must be available for the light-independent reactions to occur?

a)

carbon dioxide

b)

oxygen

c)

ATP

d)

NADPH

8.

Which of the following is not part of the light-dependent reactions?

a)

electro acceptor

b)

splitting of water

c)

calvin cycle

d)

chemiosmosis

9.
Select the two raw materials that are needed for photosynthesis to take place
a)
Light energy and chlorophyll
b)
Carbon dioxide and water
c)
Oxygen and glucose
d)
Water and light energy
10.
What is the word equation for photosynthesis?
a)
Carbon dioxide + water --> glucose + oxygen
b)
Oxygen + glucose --> carbon dioxide + water
11.

The location where photosynthesis takes place is the ______________________.

a)
b)
c)
d)
12.

The structure labeled c is a ______________ and the structure labeled d is the _______________.

a)

granum, thylakoid

b)

thylakoid, granum

c)

stroma, thylakoid

d)

thylakoid, stroma

13.

The first step of photosynthesis is called the ________________ the second step is called the ________________________.

a)

light dependent reaction, Calvin Cycle

b)

Calvin Cycle, light dependent reaction

c)

light independent reaction, Calvin Cycle

d)

Krebs cycle, Calvin Cycle

14.

The answers for a, b, and d are

a)

a. glucose b. water d. light

b)

a. ATP b. light d. oxygen

c)

a. light b. water d. oxygen

d)

a. light b. carbon dioxide d. oxygen

15.

e and f are

a)

e. ADP f. ATP

b)

e. ATP f. NADPH

c)

e. NADP+ f. NADPH

d)

e. light b. chlorophyll

16.

g and i are

a)

g. water i. glucose

b)

g. carbon dioxide i. oxygen

c)

g. ATP i. NADPH

d)

g. carbon dioxide i. glucose

17.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
18.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

CO2 + H2O + LE --> O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O --> O2

c)

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

d)

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

19.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
20.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
21.
The tiny holes on the back of a plant’s leaves that allow Oxygen and Carbon Dioxide to flow through are called what?
a)
pigment
b)
stomata
c)
chloroplast
d)
mitochondria
22.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
23.

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 xylem

c)

It's made during a chemical reaction in the stem

d)

The flowers capture water and deliver it to the leaves

24.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
25.
Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.
a)
Chlorophyll A
b)
Chlorophyll B
c)
Carotenoids
d)
A combination of all 3