Coastal Erosion

Q. Match the following states in India with the factors that lead to coastal erosion.

X: South west moonsoon winds

1. Karnataka
2. Tamil Nadu
3. Andaman & Nicobar

Q. ________ are a series of long narrow structures that are built into the water from a beach to check beach erosion.

1. Groin
2. Sea walls
3. Bridges
4. Breakers

Q. _______ are vertical concrete structures that protect against erosion and flooding.

1. Sea walls
2. Bridges
3. Breakers
4. Groin

Q. Tsunamis are huge waves caused due to under sea disturbances inside the earth. Identify the disturbance(s).

1. Volcanoes
2. Earthquakes
3. Landslides
4. Cyclones

Q. Which among the following are exclusive cause(s) of coastal erosion in India?

1. Monsoon winds
2. Tropical winds
3. Sea waves
4. Ocean currents

Q. Which of the following is not a measure that can reduce the destructive impact of coastal erosion?

1. Breakers
2. Groins
3. Afforestation
4. Sand mining

Q. Which among the following Indian states experiences coastal erosion due to south west monsoon winds?

1. Gujarat
2. Kerala
3. Goa
4. Odisha

Q. Coastal erosion refers to the loss of coastal lands due to the net removal of sediments or bedrock from the shoreline.

1. True
2. False