Mod 6 IQ2D Quick Quiz

Which natural disaster is most likely to cause flooding in eastern Australia?

• Bushfire

• Drought

• East Coast Low

• Earthquake

Answer explanation

The correct choice is 'East Coast Low' as it is a weather system that often brings heavy rainfall and causes flooding in eastern Australia.

What human activity can increase the risk of bushfires in Australia?

• Planting more trees

• Controlled burns

• Land Clearing

• Building Dams

Answer explanation

Land clearing can increase the risk of bushfires in Australia by removing natural firebreaks and increasing fuel load.

True or False: Droughts in Australia are solely caused by natural climate cycles.

• True

• False

Answer explanation

Droughts in Australia are not solely caused by natural climate cycles, human activities like deforestation and greenhouse gas emissions also contribute to drought conditions.

What effect does urbanisation have on flooding in cities?

• Reduces Flood Risk

• Increases Water Absorption Capacity

• Speeds Up Water Discharge Into Waterways

• Decrease Soil Erosion

Answer explanation

Urbanisation speeds up water discharge into waterways by increasing impermeable surfaces like roads and buildings, leading to faster runoff and higher flood risk in cities.

What weather phenomenon can lead to intense winds and rainfall on the east coast of Australia?

• El Nino

• La Nina

• Indian Ocean Diopole

• Mediterranean Climate

Answer explanation

La Nina weather phenomenon can lead to intense winds and rainfall on the east coast of Australia.

Hail storms have no impact on natural ecosystems.

• True

• False

Answer explanation

Hail storms can have a significant impact on natural ecosystems, causing damage to vegetation, wildlife, and habitats. Therefore, the statement that hail storms have no impact on natural ecosystems is false.

What contributes to the flammability of the Australian landscape?

• High Humidity

• Abundant Rainfall

• Flammable Oils in Eucalyptus trees

• Dense Vegetation

Answer explanation

The correct choice is 'Flammable Oils in Eucalyptus trees' as these oils contribute to the flammability of the Australian landscape.

What is the primary cause of landslides in Australia?

• Tornadoes

• Earthquakes

• Human Impact

• Drought

Answer explanation

The primary cause of landslides in Australia is Human Impact, such as deforestation, mining, and construction activities destabilizing the land.

What effect does human-induced climate change have on extreme weather events in Australia?

• Decreases Intensity

• No Effect

• Increases Intensity

• Increases Frequency

Answer explanation

Human-induced climate change increases the intensity and frequency of extreme weather events in Australia.

True or False: Floods have no positive effects on the environment

• False

• True

Answer explanation

Floods can have positive effects on the environment such as replenishing soil nutrients, supporting biodiversity, and creating fertile floodplains.