a) Mention the causes of earthquakes on the Earth. Give suggestions regarding the measures to be adopted for construction of earthquake-resistant buildings. (About 200 words) b) Write short notes on the following (about 40 words each): (i) Hydraulics (Excavators) (ii) Lifelines (iii) Inner Earth (iv) Organic Farming c) What is the present status of animal husbandry in India? Write about the role of the Animal Husbandry Department in improving its condition. (About 120 words)