Biological Cycles Review

Which conditions are best for decomposition to happen quickly?

• Warm, moist conditions

• Cold, moist conditions

• Warm, dry conditions

• None of the above

Which process releases carbon dioxide into the atmosphere?

• Feeding

• Respiration

• Photosynthesis

• Percolation

Which type of nutrition do decomposers carry out?

• Autotrophic

• Decomposing

• Consuming

• Saprophytic

Which organisms decompose dead plants and animals?

• Enzymes

• Only fungi

• Bacteria and fungi

• None of the above

What does the water cycle show?

• How water moves around between the atmosphere, oceans, rivers and land

• How water gets into our homes

• How water is transported around the body

• How waste water is purified so that it's safe to drink

Which process removes carbon dioxide from the atmosphere?

• Combustion

• Photosynthesis

• Evaporation

• Respiration

Which process can produce a fuel?

• Fossilisation

• Decomposition

• Excretion

• All of the above

What happens to water vapour when it cools?

• It evaporates

• It precipitates

• It transpires

• It condenses

Which of the following describes transpiration?

• The transfer of vapour from the air into clouds

• The transfer of water from lakes to the air

• The transfer of water from plants into vapour in the air

• The process of water being released into the atmosphere through evaporation

What process occurs when water changes from a gas to a liquid?

• Decomposition

• Precipitation

• Condensation

• Evaporation