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Environment: Biochar

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

What does ECOVATION stand for?

a)

Innovation.

b)

Eco friendly solution.

c)

Eco friendly innovation.

d)

An application.

2.

How long can biochar lock carbon?

a)

50 years.

b)

5 years.

c)

Forever.

d)

More than 100 years.

3.

Biochar was first used in

a)

Europe

b)

America

c)

Australia

d)

Africa

4.

Releases carbon as it decomposes

a)

Apple

b)

Plastic

c)

Phone

d)

Glass

5.

Biochar is produced

a)

Always accidentally

b)

Both accidentally and intentionally

c)

Intentionally only

d)

Occasionally

6.

Biochar is

a)

Trapped carbon.

b)

Trapped carbon with green coal.

c)

Green coal.

d)

Trapped green coal.

7.

The planet's soil lacks

a)

Carbon and water

b)

Nutrients and carbon

c)

Water and carbon

d)

Agriculture and forest

8.

Trees sequester

a)

For 1-2 years.

b)

For 10-15 years

c)

For 15-20 years.

d)

Forever.

9.

Biochar ................gas emission.

a)

does not modify

b)

mitigates

c)

increases

d)

never affects

10.

Synonym of soubriquet green coal is

a)

Bioptron

b)

Biotherm

c)

Biogreen

d)

Biochar