Which of the following is a non-conventional energy resource?
Hydro-power
Hydro-power, along with solar, wind, tidal and geothermal energy, is generally classified as a non-conventional (renewable) energy source, unlike coal, petroleum and natural gas which are conventional fossil fuels.
| List I (Name of Shifting Cultivation) | List II (Country) |
| A. Milpa | 1. Zaire |
| B. Ladang | 2. Brazil |
| C. Rocca | 3. Malaysia |
| D. Masole | 4. Mexico |