I. Fill in the blanks:
1. The collection of water in large hollow lands forms a Lake .
2. Water from the dam is taken to the fields with the help of Canals .
3. The treatment plant at Sanquelim gets water from river Valvanti .
4. The water supply scheme for South Goa is from Opa water works.
5. Most of the storage tanks are found in Salcete and Bardez .
II. Answer the following questions:
1. What are the main sources of irrigation
Ans: The main sources of irrigation are storage tanks, natural springs, bundharas, wells, lakes and dams.
2. Which natural springs never dry up.
Ans: Natural springs of Curca, Merces, and Boca-de-Vaca never dry up.
3. Which lake in Bicholim taluka is famous as a tourist spot.
Ans: Lake Mayem or Maya in Bicholim taluka is famous as a tourist spot.
4. What are Bundharas.
Ans: Bundharas are small masonry dams built for storing water.