The question asks to identify the sector that serves as the backbone of the Indian economy. This requires understanding the fundamental contributions of various economic sectors, particularly in the context of a developing country like India.
Correct Option: D) Agriculture sector — The agriculture sector is often referred to as the backbone of the Indian economy because it provides livelihoods to a large percentage of the population, ensures food security, and supplies raw materials to many industries. Despite its declining share in GDP, its foundational role in employment and basic sustenance makes it critical.
The question asks about the importance of bio-based asphalt (bioasphalt) based on its properties and environmental impact. We need to evaluate each statement provided and determine which ones are correct.
B) 1, 3 and 4 only. Statements 1, 3, and 4 accurately describe the properties and environmental benefits of bioasphalt. Statement 2 is incorrect because bioasphalt is specifically designed to be made from renewable resources, not non-renewable ones.
The question asks to identify which of the given towns are famous for the production of traditional sarees/fabric. This requires knowledge of the traditional textile centers in India.
Based on this analysis, Chanderi and Kancheepuram are the towns famous for traditional sarees/fabric production.
B) 2 and 3 only. Chanderi is famous for Chanderi sarees, and Kancheepuram is famous for Kancheepuram silk sarees.
The question asks about the various ways industries are classified. Understanding industrial classification is fundamental in economic geography and general studies. Industries can be categorized based on several criteria, each providing a different perspective on their nature and operation.
Correct Option: D) All of the above — Industries are indeed classified based on raw materials, ownership, and size, among other criteria. Each classification helps in understanding different aspects of industrial organization and economic contribution.
The question asks about the correct statements regarding fly ash, a byproduct of coal-fired power plants. We need to evaluate each statement based on the properties and uses of fly ash.
Based on the evaluation, statements 1 and 2 are correct, while statement 3 is incorrect.
Correct Option: A) 1 and 2
The question asks about a critical raw material that India's steel production industry needs to import. This tests knowledge about the resource requirements for major industries in India.
C) coking coal — India has significant reserves of iron ore, but it lacks sufficient high-quality coking coal, which is crucial for the blast furnace process in steel manufacturing. Therefore, India imports a large quantity of coking coal to support its steel industry.