Social quiz

What is the main source of freshwater on Earth?

• Oceans

• Rain water

• Lakes

• Groundwater

The __________ Dam is the oldest dam in India, built on the Kaveri River.

Wells and tube wells are sources of underground water.

• True

• False

Which type of soil is most suitable for growing cotton?

• Red soil

• Alluvial soil

• Black soil

Observe the image and tell what is happening in this image.

• soil conservation

• Soil erosion

• Afforestation

Afforestation increases soil erosion.

• True

• False

Which architect is shown in the image?

• Dam

• Bridge

• Tunnel

The top layer of the Earth’s surface that supports plant growth is called __________.

The __________ Dam is the oldest dam in India, built on the Kaveri River.

Why are dams called multi-purpose river valley projects?

• They generate hydroelectricity

• They help in irrigation

• All of the above