Question : The  process of photosynthesis involves conversion of 

Option 1: chemical energy into radiant energy

Option 2: chemical energy into mechanical energy

Option 3: solar energy into chemical energy

Option 4: mechanical energy into solar energy

Question : What powers the Earth's internal heat engine?

Option 1: Solar Energy

Option 2: Volcanoes

Option 3: Radioactive energy

Option 4: Tides

Question : The group of solar cells joined together in a definite pattern is called a:

Option 1: Battery

Option 2: Solar heater

Option 3: Solar cooker

Option 4: Solar cell panel

Question : Solar energy is converted into chemical energy during :

Option 1: Combustion

Option 2: Transition

Option 3: Photosynthesis

Option 4: Fusion

Question : Which one of the following is not a non-conventional source of energy?

Option 1: Solar energy

Option 2: Natural gas

Option 3: Wind energy

Option 4: Tidal power