1. Age of fishes is
a) Ordovician
b) Jurassic
c) Cretaceous
d) Devonian

2. Which of the following river originates and ends in India
a) Kaveri
b) Brahmaputra
c) Rabi
d) Beas

3. The average salinity of oceans is
a) 3.5 mg per Lt
b) 3.5 g per Lt
c) 1.5 mg per Lt
d) 1.0 mg per Lt

4. Puga valley in Ladakh is famous for
a) Hydroelectric power plant
b) Photovolataic power palnt
c) Wind energy
d) Geothermal wells

5. Erg is the CGS unit of
a) Chemical energy
b) Thermal energy
c) Mechanical energy
d) Electrical  energy

6. Once installed the cheapest source of electricity is
a) Hydrelectricity
b) Photovoltaic Unit
c) OTEC
d) Geothermal Well

7. The biggest sources of world’s primary energy is
a) Fossils Fuels
b) Hydropower
c) Nuclear Power
d) Coal

8. In India, Which sector uses the highest amount of coal produced
a) Metallurgical purposes
b) Electricity generation
c) Domestic use
d) Chemical Industry

9. Which country gets about 80% its energy from nuclear power?
a) Japan
b) Germany
c) France
d) USA

10. In 1966 the first major tide based power plant was constructed in which city
a) India
b) France
c) Germany
d) USA

11. India has huge resources of which nuclear materials
a) Uranium
b) Thorium
c) Plutonium
d) Deuterium