To which type of forest do the following trees belong?
(i) Hintal and Sundari
(ii) Rosewood and Ebony
(iii) Deodar and Chir Pine.
“Without irrigation, development of agriculture is difficult in India”. Clarify the statement by giving two reasons.
Give one reason for each of the following:
(i) The Northern Plains of India are found suitable for canal irrigation.
(ii) Tank irrigation is an important method of irrigation in Karnataka.
(iii) Although expensive, yet, sprinkler irrigation is gaining popularity in recent times.
(i) What is rainwater harvesting?
(ii) Mention two objectives of rainwater harvesting.
(i) Rainwater harvesting is the method of collecting rainwater for use before it reaches the ground. Generally, rainwater is collected from the rooftop through pipes and stored in underground storing structures.
(ii) Two objectives of rainwater harvesting are:
i. To store rainwater and to ensure water supply even during dry months or droughts.
ii. To recharge the underground water table.
(i) Name any three types of coal found in India.
(ii) Which type of coal is mostly used in iron and steel industries?
Name the following:
(i) An off-shore field of India.
(ii) An iron ore mine of Karnataka.
Name the following:
(i) Largest coal field of India.
(ii) Oldest oil- field of India.
(iii) Best variety of iron ore.