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Natural Disasters: Floods and Cyclones

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Questions and Answers

What is the definition of a flood?

A heavy rainfall that produces a rise in water

A sudden release of water by a debris flow or ice jam

The accumulation of a large quantity of water at a place or the presence of more water than can be handled by the drainage of the area (correct)

The rapid movement of water due to a storm

What is the primary characteristic of a flash flood?

The flood occurs during a storm

The flood is caused by a dam failure

The flood occurs in a coastal area

The flood occurs within a few hours of the rainfall that produces the rise (correct)

What is a common cause of river floods?

Tides

Sudden snowmelt or thawing of glaciers

A sudden release of water by a debris flow or ice jam

Deforestation (correct)

What type of flood occurs when a river overspills its banks?

River flood Signup and view all the answers

What is the primary cause of a coastal flood?

A coastal process such as waves, tides, or storm surge Signup and view all the answers

What is NOT a type of flood?

Tsunami Signup and view all the answers

What is a common effect of coastal floods on the environment?

Loss of biodiversity Signup and view all the answers

What is the direction of rotation of a cyclone in the Southern Hemisphere?

Clockwise Signup and view all the answers

What is a measure to control floods?

Plantation on slopes Signup and view all the answers

What type of cyclone is also known as a hurricane or typhoon?

Tropical Cyclone Signup and view all the answers

What is a measure to manage cyclones?

Proper construction of houses Signup and view all the answers

What is a result of cyclones?

Results in loss of life and property, and may cause river floods Signup and view all the answers