Water is used to generate power known as ___________________ power.

Identify the group of perennial rivers in India.

__________________ rivers get water from melting ice and __________________ rivers get water from rain.

Dams serving many purposes are called ______________________ projects.

Which dam is built across the Krishna river?

_______________ are large depressions in which rainwater gets collected.

Tube wells use _____________________ to draw underground water.

Rocks that contain a particular mineral in a large quantity are called _______________________.

Identify the group of metals (metallic minerals).

Which is the highest producer state of iron?

Which is the highest producer state of silver?

Which is the highest producer state of gold?

Which is the highest producer state of copper?

Which is the highest producer state of coal?

Which among these are the greatest of all resources for a country?

Identify an impact of overpopulation.

Minerals are substances which are found in _______________________.

Which place in India has rich deposits of minerals?