Question : The green plants in a terrestrial ecosystem capture about ______ per cent of the energy of sunlight that falls on their leaves and convert it into food energy.

Option 1: 20

Option 2: 10

Option 3: 1

Option 4: 5

Question : The primary producer in an ecosystem are:

Option 1: Women

Option 2: Men

Option 3: Plants

Option 4: Bacteria

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

Question : The enormous amount of energy released in the explosion of an atomic bomb is due to the

Option 1: Conversion of mass into energy

Option 2: Conversion of chemical energy into heat energy

Option 3: Conversion of mechanical energy into nuclear energy

Option 4: Conversion of neutrons into protons

Question : Select from the following the biotic component of an ecosystem.

Option 1: Sunlight

Option 2: Temperature

Option 3: Air

Option 4: Decomposer