1.Which two industries boomed from the late 19th century?
2. Name a few tribal herders of India along with the regions they belong to.
3. What is Mahua?
4.Name two regions in India which are rich in natural gas resources.
5.What is an ore? Where are the ores of metallic minerals generally located?
6. Biogas is essentially a mixture of which gases?
Answers
Answer:
1.THE TWO INDUSTRIES ARE
Coal & Coke
Railroad
2.Changpa: Changpa is the name of a nomadic tribe from North India.
Bharwad: Originating from the Saurasthra region, the Bharwads believe they are descendants of Nanda, the foster-father of Krishna.
Bedia: The community of Bedias believes they are the children of a Vedbansi prince with a Munda girl.
Gandhila: For generations, this tribe has been a part of the sociology of Punjab, Haryana and Uttar Pradesh.
3. In any of several East Indian trees of the genus Madhuca (especially M. latifolia or M. indica) with nectar-filled flowers that are used for food and in preparing an intoxicating drink.
4.Natural gas is found in hydrocarbon reservoirs or underground rock formations. The regions rich in natural gas resources in India are Jaisalmer and Krishna, Godavari basin.
5.A rock from which a particular mineral can be profitably extracted is called ore. The ores of metallic minerals are generally located in igneous rocks and metamorphic rocks.
6.Biogas is primarily composed of methane and carbon dioxide, but it also contains water vapor and traces of nitrogen, hydrogen sulfide, and other gases. The exact composition depends on the biomass source and the technology used to produce and/or extract the biogas.