1. (a) Explain the plant resources available in different regions of India.
(b) Describe the energy resources used in India. Why do we need alternatives.
2. (a) What are laterites and and laterific soils? Explain.
(b) Give a brief account of soil erosion and soil degradation.
3. (a) How can mind energy be harnessed? Illustrate.
(b) What are energy plantations? Give the problems involved with its.
4. (a) Elaborate on the causes of air pollution.
(b) How has biodiversity been defined in different ways? What are its three different levels?
5. (a) Why is measurement of species diversity important? Give different ways of its measurement. Briefly explain about species richness.
(b) Discuss the characteristic features of temperate deciduous forests.
6. (a) Where is trans-Himalayas zone? Give an account of its wildlife.
(b) Explain the cultural and religious values of biodiversity.
7. (a) Illustrate the following using suitable examples:
(i) Micro-organisms in medicine
(ii) Biopesticides and bio-fertilisers
(b) What is natural extraction of species? Give the factors causing it.
8. (a) What are the main characteristics of biosphere reserves?
(b) What are seed banks? Explain their role in biodiversity conservation.
9. (a) What are sacred groves? Where are these located? Give examples.
(b) How is over-abundant population managed? Discuss.
10. (a) Discuss important aspects of Forest Protection act.
(b) Explain important issues in biotechnology examples. Using suitable.
1. (a) Briefly explain the physiogeographic regions of India.
(b) Discuss the classification of soils of India giving the important characteristics.
2. (a) Why are the land resources coming under stress day by day? Briefly describe forests and rangelands.
(b) What are problem soils? Discuss.
3. (a) How can the conversion of solid biomass to liquid and gaseous biofuels be advantageous? Explain using examples.
(b) How are mineral resources located and extracted? Explain.
4. (a) Briefly explain the need for the conservation of water reserves. List the strategies used for it.
(b) Discuss various methods of measuring genetic diversity.
5. (a) Differentiate between Beta and Gamma diversities.
(b) Discuss the important characteristics of the Tundra biome.
6. (a) Where is the northeast India zone? Discuss the wildlife present in this zone.
(b) Describe the aesthetic value of biodiversity.
7. (a) Why is wood important for human beings? Differentiate between softwood and hardwood. Give at least two examples of each of the Scientific names.
(b) What is over-exploitation of resources? Give the activities associated with it.
8. (a) Explain the following giving suitable examples:
(i) Endangered species
(ii) Rare species
(b) Explain the need of conserving biodiversity.
9. (a) What are world heritage sites? Explain with suitable examples.
(b) Discuss the negative impacts of nature tourism.
10. (a) What is the wildlife protection act? Explain its role.
(b) Explain important aspects of the Biosafety act.
Help?
