Question : Which non-conventional energy source relies on the tides?

Option 1: Solar energy
 

Option 2: Biomass energy
 

Option 3: Tidal energy

Option 4: Geothermal energy

Question : Conventional energy sources include:

Option 1: Geothermal power
   

Option 2: Biomass energy
   

Option 3: Hydroelectric power

Option 4: Solar energy

Question : Which non-conventional energy source utilizes organic matter?

Option 1: Geothermal energy
 

Option 2: Hydroelectric power
 

Option 3: Biomass energy

Option 4: Nuclear power

Question : What is the source of natural energy of the hot springs at Manikaran in Himachal Pradesh

Option 1: Geothermal energy

Option 2: Biomass energy

Option 3: Thermal energy

Option 4: Hydro energy

Question : In ecology, _________ is determined by dividing the biomass per unit area by the age of the forest ecosystem.

Option 1: biomass density

Option 2: biomass size

Option 3: biomass energy flow

Option 4: biomass productivity