i. Name the oldest relief division of India ?
ii. How does the division differ from the Northern mountains in composition and period of formation ?
Name :
i. The two types of cyclonic system that affects the Indian subcontinent.
ii. The seasons when they are active.
i. Explain why forests are called an index of prosperity of a nation.
ii. Mention the important objectives of urban forestry.
i. Name the type of irrigation that is responsible for water logging ?
ii. What is water logging ?
iii. What are the effects of this phenomenon ?
i. How does sprinkler irrigation help in the best utilization of water ?
ii. Name two crops that use this form of irrigation.
Punjab and West Bengal have high crop industry. Give four reasons to explain why.
i. Availability of water - In West Bengal and Punjab water is available in plenty so more than one crop is cultivated.
ii. The fertile soil facilitated by irigation in Punjab and humidity and sufficient rainfall in West Bengal.
iii. More over dense population of West Bengal mechanisation of agriculture in Punjab use of fertilizers, insectidus and pesticides help further in high intensity of crops.