Coastal Sea Defences Quiz

What are coastal cells?

• Sections of the coastline

• Types of marine organisms

• Areas of high pollution

• Regions of coral reefs

Coastal cells are defined as sections of the coastline that _________.

• are isolated from each other

• interact with adjacent cells

• have no sediment movement

• are protected by law

Which of the following is a purpose of cliff re-grading?

• To prevent landslides

• To increase tourism

• To create new habitats

• To enhance fishing

The primary goal of conservationists is to _________.

• protect the environment

• increase economic growth

• develop new technologies

• promote cultural heritage.

What is the primary purpose of groynes in coastal management?

• To promote tourism

• To prevent coastal erosion

• To enhance fishing

• To improve water quality

Groynes can cause increased erosion in areas ______.

• Upstream

• Downstream

• Inland

• Offshore

What is one disadvantage of using groynes?

• They are cost-effective

• They can cause erosion downstream

• They enhance tourism

• They are easy to build.

What are revetments?

• Structures to prevent erosion

• Types of plants

• Weather patterns

• Ocean currents

Revetments are used to reduce coastal ________.

• Pollution

• Erosion

• Tourism

• Fishing

Which of the following is an advantage of gabion cages?

• They are expensive

• They are flexible

• They are difficult to install

• They are not durable