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Photosynthesis Basics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the chemical equation for photosynthesis?

a)

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

b)

6CO2 + 6H2O -> C6H12O6 + 6O2

c)

CO2 + H2O + light energy -> CH4 + O2

d)

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

2.

In the photosynthesis equation, what does CO2 stand for?

a)

nitrogen

b)

oxygen

c)

carbon monoxide

d)

carbon dioxide

3.

In the photosynthesis equation, what does H2O stand for?

a)

Hydrogen oxide

b)

water

c)

Dihydrogen monoxide

d)

Hydrogen dioxide

4.

What are the products of photosynthesis?

a)

Protein and lipids

b)

Carbon dioxide and water

c)

Glucose and oxygen

d)

Nitrogen and phosphorus

5.

What are the reactants of photosynthesis?

a)

Oxygen and glucose

b)

Hydrogen and carbon monoxide

c)

Carbon dioxide and water

d)

Nitrogen and sunlight

6.

What is the role of sunlight in photosynthesis?

a)

Sunlight provides the water for photosynthesis.

b)

Sunlight regulates the temperature during photosynthesis.

c)

Sunlight is responsible for the color of plants in photosynthesis.

d)

Sunlight provides the energy for the photosynthesis process.

7.

Where does photosynthesis take place in a plant cell?

a)

nucleus

b)

mitochondria

c)

cytoplasm

d)

chloroplasts

8.

What is the primary pigment involved in photosynthesis?

a)

Carotene

b)

Xanthophyll

c)

Chlorophyll

d)

Melanin

9.

What is the purpose of photosynthesis in plants?

a)

Photosynthesis in plants is for water absorption and carbon dioxide release.

b)

The purpose of photosynthesis in plants is to produce food (glucose) and oxygen.

c)

The purpose of photosynthesis in plants is to produce heat and light.

d)

Photosynthesis in plants is to convert oxygen into carbon dioxide.

10.

How does photosynthesis contribute to the oxygen cycle?

a)

Photosynthesis contributes to the oxygen cycle by releasing carbon dioxide into the atmosphere.

b)

Photosynthesis contributes to the oxygen cycle by reducing the amount of oxygen in the atmosphere.

c)

Photosynthesis contributes to the oxygen cycle by releasing oxygen into the atmosphere.

d)

Photosynthesis contributes to the oxygen cycle by absorbing oxygen from the atmosphere.