wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Photosynthesis Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which pigment is primarily responsible for photosynthesis?

a)

Carotenoids

b)

Xanthophyll

c)

Chlorophyll

d)

Anthocyanins

2.

The process of photosynthesis occurs in which organelle?

a)

Mitochondria

b)

Ribosome

c)

Chloroplast

d)

Nucleus

3.

What is the primary product of the light-dependent reactions in photosynthesis?

a)

Oxygen

b)

Glucose

c)

ATP and NADPH

d)

Carbon dioxide

4.

What is the source of oxygen released during photosynthesis?

a)

Carbon dioxide

b)

Water

c)

Glucose

d)

Atmospheric oxygen

5.

Which of the following is the double-membraned structure of the chloroplast?

a)

Thylakoid

b)

Stroma

c)

Outer and inner membranes

d)

Grana

6.

In which part of the chloroplast do the light-dependent reactions occur?

a)

Stroma

b)

Thylakoid membrane

c)

Matrix

d)

Outer membrane

7.

What is the primary function of the Calvin cycle?

a)

Absorb light energy

b)

Produce oxygen

c)

Fix carbon dioxide into glucose

d)

Split water molecules

8.

Which enzyme is responsible for carbon fixation in the Calvin cycle?

a)

ATP synthase

b)

Rubisco

c)

NADP reductase

d)

Hexokinase

9.

What is the fluid-filled space inside the chloroplast where the Calvin cycle occurs?

a)

Thylakoid

b)

Stroma

c)

Matrix

d)

Grana

10.

Which gas is essential for photosynthesis?

a)

Nitrogen

b)

Oxygen

c)

Carbon dioxide

d)

Methane

11.

The energy required for photosynthesis comes from:

a)

ATP

b)

Glucose

c)

Sunlight

d)

Carbon dioxide

12.

The stacked structures within the chloroplast that contain chlorophyll are called:

a)

Lamellae

b)

Thylakoids

c)

Grana

d)

Vesicles

13.

Where does the Calvin cycle occur?

a)

Thylakoid membrane

b)

Cytoplasm

c)

Stroma

d)

Matrix

14.

The splitting of water during photosynthesis is called:

a)

Hydrolysis

b)

Photolysis

c)

Electrolysis

d)

Pyrolysis

15.

Which of the following is not a product of photosynthesis?

a)

Glucose

b)

Oxygen

c)

Carbon dioxide

d)

Water

16.

The chloroplast DNA is:

a)

Circular and double-stranded

b)

Linear and single-stranded

c)

Circular and single-stranded

d)

Linear and double-stranded

17.

What is the main role of light in photosynthesis?

a)

Fix carbon dioxide

b)

Split glucose

c)

Excite electrons

d)

Transport nutrients

18.

Which structure in the leaf allows the exchange of gases for photosynthesis?

a)

Stomata

b)

Epidermis

c)

Cuticle

d)

Phloem

19.

The first stable product of carbon fixation in C3 plants is:

a)

Glucose

b)

3-Phosphoglycerate (3-PGA)

c)

Malate

d)

Oxaloacetate

20.

Which of the following is not a part of the chloroplast?

a)

Stroma

b)

Cristae

c)

Thylakoid membrane

d)

Grana