Earth’s core results from energy trapped almost…billion years ago during the formation of the planet.
a) 5
b) 6
c) 7
d) 8
The …….energy of the wind is currently used in many parts of the world to generate electricity.
a) potential
b) electrical
c) mechanical
d) kinetic
Which of the following source of energy is eco friendly?
a) solar
b) wind
c) fossils
d) both a & b
The most nuclear fuel used in the world is……
a) thorium 232
b) uranium 238
c) uranium 235
d) plutonium 239
Explanation: The most used nuclear fuel is Uranium – 235. It is a
radioactive metal. Nuclear fuels like Uranium do not burnt to release energy.
Instead, the fuels are involved in nuclear reaction in nuclear reaction in the
nuclear reactor.
Which of the following source of energy is the cause of catastrophic
damage to human life?
a) fossils
b) nuclear energy
c) geothermal
d) biomass
Hydroelectric generation includes the use of energy from…………….
a) sun
b) wind
c) water
d) earth
