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 : dynamo is a device for converting 

Option 1: heat energy into electrical energy

Option 2: mechanical energy into electrical energy

Option 3: megnetic energy into electrical energy

Option 4: chemical energy into electrical energy

Question : What are the main energy sources for Earth's internal heat engine?

Option 1: Radiogenic heat and oceanic tide heat

Option 2: The heat from volcanoes and solar heat

Option 3: Solar heat and oceanic tide heat

Option 4: Radiogenic heat and primordial heat

Question : Kinetic energy depends on:

Option 1: the velocity or speed of the moving body

Option 2: the mass of the moving body

Option 3: the pressure of the moving body

Option 4: both mass and velocity of the moving body

Question : In which form is the supplied heat energy stored during change in temperature of substance?

Option 1: Heat energy

Option 2: Kinetic energy

Option 3: Potential energy

Option 4: Both kinetic and potential energy