Explain how sustainable development led to the idea of integrated environment management.

What is CITES? Give its important aspects.

Define buffer zones. Discuss their importance in protecting biodiversity.

Explain the social and economic strategies of conserving biodiversity.

Discuss the main characteristics of biosphere reserves.

What is species based approach of conserving biodiversity? Also give its disadvantages.

What are the causes of extinction of species? Discuss briefly.

Explain various factors causing habitat loss.

How does biodiversity help in maintenance of soil, air and water quality? Explain.

Discuss the importance of biodiversity in providing plant and animal food.

Explain cultural and religious values of biodiversity giving suitable examples.

Describe various zones of a lake biome.

Discuss important features of Tundra biome.

What is species richness? Briefly explain its various types

List various strategies which can be used to conserve water.

What is rock cycle? Briefly explain three types of rocks.

Discuss the importance of solar energy giving its advantages.

List the adverse effects of soil salinity and alkalinity.

Give a brief account of major rivers of India.

Explain various types of fertile soils in the Indian context.