Carbon Cycle

Front

Which process converts carbon in the form of sugar into carbon dioxide gas? Options: Bioremediation, Photosynthesis, Respiration, Transpiration

Back

Respiration

Front

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

Back

X: Decomposition, Y: Respiration

Front

Which of the following removes carbon from the atmosphere? Options: Combustion, Respiration, Photosynthesis, Death

Back

Photosynthesis

Front

What is the effect of deforestation on the carbon cycle? Options: Increase in the amount of CO2 in the atmosphere, Decrease in the amount of CO2 in the atmosphere, Increase in the amount of photosynthesis, Deforestation has no impact on the carbon cycle

Back

Increase in the amount of CO2 in the atmosphere

Front

These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming.

Back

Green House gases

Front

What is one of the importances of carbon?

Back

it is a source of glucose for organisms

Front

The largest reservoir of carbon is in the

forests

,

ocean

,

rocks (limestone)

,

permafrost and bogs

Back

rocks (limestone)

Front

The atmosphere contains ____% carbon dioxide.

Back

0.4%

Front

Which process does NOT release carbon to the atmosphere?

• burning fossil fuels
• melting permafrost
• use of fertilizers
• volcanoes

Back

use of fertilizers

Front

What is happening at 4?

Back

decomposing CO₂ in the soil