WG2B DOL

What is the primary purpose of a dam?

• To generate wind energy

• To store water and control floods

• To facilitate air transportation

• To promote tourism

Which of the following is a benefit of terrace farming?

• It increases soil erosion

• It reduces the need for irrigation

• It prevents water runoff and soil erosion

• It is suitable for flat lands

Polders are primarily associated with which country?

• Japan

• Brazil

• Netherlands

• Canada

Terrace farming is most commonly practiced in which type of regions?

• Coastal regions

• Mountainous regions

• Desert regions

• Urban regions

What is a polder?

• A type of dam

• A method of terrace farming

• A low-lying tract of land enclosed by dikes

• A type of irrigation system

Which of the following is a disadvantage of dams?

• They provide a reliable water supply

• They can displace local communities

• They generate hydroelectric power

• They help in flood control

What is the main reason for constructing terraces in terrace farming?

• To increase the land area

• To create a flat surface for farming on a slope

• To build houses

• To store rainwater

Which of the following is a key feature of a polder?

• It is built on a mountain

• It is surrounded by dikes

• It is used for mining

• It is a type of forest

Which of the following is a common use of dams?

• To create deserts

• To generate hydroelectric power

• To increase soil erosion

• To reduce air pollution

Which of the following is a primary benefit of using polders?

• They increase the amount of arable land

• They reduce the need for fertilizers

• They are used for recreational purposes

• They help in mining activities