What is Energy? Discuss the energy scenario giving emphasis on: Sources, efficiency and storage. (Unit 1)

Describe the fundamentals of an ecosystem. Explain the relationship among the different parts of an ecosystem with the help of a schematic diagram. (Unit 2)

What is Biodiversity? What are the major factors responsible for the loss of genetic biodiversity? How can biodiversity be conserved? (Unit 3)

Explain Water pollution. Enlist various sources of water pollution giving their adverse effects. How water pollution can be minimized? (Unit 4)

Explain the term Solid waste. What are adverse effects of solid wastes in society? Discuss various methods for disposal of solid wastes. (Unit 4)

Write short notes on any two of the following.

a) Fossil fuels (Unit 1)

b) Global warming (Unit 5)

c) Ozone layer depletion (Unit 5)

d) Acid rain (Unit 5)

a) What is Food Chain? Explain various types of food chains. (Unit 2)

b) Explain aquatic Ecosystem. (Unit 2)

Write brief notes on any two of the following:

a) Desert ecosystem (Unit 2)

b) Noise pollution (Unit 4)

c) Environment Protection Act (Unit 5)

d) Wind Energy (Unit 1)