wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemical Process of Photosynthesis

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

Where does the photosynthesis process take place in plant cell?

a)

Mitochondria

b)

Nucleus

c)

Chloroplast

d)

Ribosome

2.

Plant require ____ and ____ to carry out photosynthesis.

a)

Sugar, water

b)

carbon dioxide, water

c)

oxygen, water

d)

carbon dioxide, sugar

3.

Photosynthesis is a process where

a)

Plant use carbon dioxide, water and oxygen to make sugar

b)

Plant require sunlight, water and carbon dioxide to produce oxygen and energy

c)

Plant convert chlorophyll and sugar into oxygen

d)

Plant convert carbon dioxide and sugar into water and oxygen

4.

Plant carried out photosynthesis

a)

To make their own food

b)

To produce carbon dioxide

c)

To make food for human

d)

To absorb water

5.

What are the products of photosynthesis?

a)

Carbon dioxide and sugar

b)

Oxygen and energy in the form of sugar

c)

Oxygen, Carbon dioxide and water

d)

Oxygen and water

6.

Which of the following is the correct equation of Photosynthesis process?

a)

CO2 + O2 + H2O --> Light + Sugar

b)

CO2 + H2O + sugar --> O2 + light

c)

O2 + H2O + light --> Carbon dioxide + Sugar

d)

CO2 + H2O + light --> Oxygen + Sugar

7.

Photosynthesis happen in which cells

a)

Cell wall

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

8.

Photosynthesis process gives out

a)

Carbon monoxide

b)

Oxygen

c)

Hydrogen

d)

Sulfur dioxide

9.

What are the importance of photosynthesis?

a)

Produce food for plants

b)

Produce oxygen for human and animals

c)

Produce energy for heterotrophs use

d)

All of the answers are correct

10.

The sugar that produced in photosynthesis process is in the form of

a)

Sucrose

b)

Fructose

c)

Glucose

d)

Maltose

11.

Carbon dioxide enter plant leaves through

a)

Transpiration or opening of stomata

b)

Absorption from plant roots

c)

Translocation in plant

d)

Respiration

12.

Which substances does the chloroplast contain that allow green plants to absorb the sunlight energy for the process of photosynthesis?

a)

Thylakoids

b)

Ribosomes

c)

Chlorophyll

d)

Stroma

13.

What are the factors that will affect photosynthesis rate?

a)

Carbon dioxide and oxygen concentration

b)

Oxygen, Carbon dioxide and water

c)

Temperature and Carbon dioxide concentration

d)

Carbon dioxide concentration, temperature and light intensity

14.

What is the importance of photosynthesis to human and animals?

(a)  

15.

Briefly explain what is light dependent reaction in photosynthesis process.

(a)  

16.

The Calvin Cycle occurs in which reaction of light during the photosynthesis process? Briefly explain what happen at this reaction.

(a)  

17.

What are five (5) factors that influence the photosynthesis process?

(a)  

18.

How does high temperature affect the activity of photosynthesis?

(a)  

19.

Briefly explain how carbon dioxide concentration and light intensity affect the rate of photosynthesis?

(a)  

20.

How does deforestation affect the carbon dioxide concentration in our atmosphere?

(a)