Resources And Development

West Bengal.

To arrange the refineries from south to north, let's consider their geographical locations:
- Kochi (ii) is the southernmost, located in Kerala.
- Mangaluru (iv) is slightly to the north of Kochi, also in Kerala.
- Mumbai (i) is further to the north, located on the western coast of India.
- Kayali (iii) is the northernmost of the listed refineries, located in Gujarat.
Thus, the correct order from south to north is Kochi, Mangaluru, Mumbai, and Kayali. The correct option is (B) ii, iv, i and iii.

Let's evaluate each statement:
- Statement (i) is correct as minerals have been used since ancient times for making tools and weapons.
- Statement (ii) is incorrect because not all developed countries are extracting more minerals; some have transitioned to more sustainable sources of energy and materials.
- Statement (iii) is correct since the significant development of mining began during the industrial revolution, which saw large-scale extraction and technological advancements in mining processes.
- Statement (iv) is correct, as the discovery of minerals involves many stages, including exploration, testing, and evaluation.
Thus, the correct answer is (C) Only i, iii and iv are correct.

The Rajasthan Canal is one of the most important irrigation systems in the state of Rajasthan. The canal construction began with the first phase in the district of Ganganagar. Ganganagar, located in the northern part of Rajasthan, is well-known for its agricultural importance, and the canal was a key project to support the region's farming community.
- Option (A) Jaisalmer is incorrect as it was not part of the first phase.
- Option (B) Barmer is also incorrect for the first phase.
- Option (C) Jodhpur is incorrect as well.
- Option (D) Ganganagar is the correct answer, as it was the district chosen for the first phase of the canal construction.
Thus, the correct answer is (D) Ganganagar.

The assertion (A) is true because manufacturing industries indeed rely on raw materials for production. Raw materials serve as the essential input for creating finished products. However, the reason (R) is also true because resources, including raw materials, are essential for human survival. Despite this, (R) does not directly explain (A) because the necessity of resources for survival is a broader concept that includes not just raw materials, but also other types of resources such as energy and water. Therefore, the reason (R) is true but does not directly explain why all manufacturing industries are associated with raw materials.

Common Property Resources (CPRs) refer to natural resources like pastures, grazing grounds, forests, water bodies, and wastelands that are accessible to all members of a community. Role in Supporting Livelihoods:
Grazing Land: Marginal farmers and landless people use CPRs for grazing their livestock.
Fuel and Fodder: Forests and common lands provide firewood, fodder, and fruits.
Water Resources: Community ponds and tanks are used for irrigation and household needs.
Supplementary Income: Collection and sale of forest produce help supplement rural incomes. Thus, CPRs play a vital role in supporting rural livelihoods and reducing dependency on private land ownership.

Man-made activities are the major contributors to land degradation in India and are more controllable than natural processes.
Deforestation: Large-scale cutting of forests for agriculture and urbanisation leads to soil erosion and loss of fertility.
Overgrazing: Uncontrolled grazing by animals damages vegetation and exposes soil.
Over-irrigation: Causes waterlogging and salinisation, reducing soil productivity.
Mining: Open-cast mining displaces topsoil and pollutes land and water bodies. In contrast, natural causes like floods or droughts affect land but are less frequent and widespread compared to continuous man-made harm.

Transport cost is a critical factor in the location of industries because it influences both the cost of raw materials and the distribution of finished products. If transportation costs are high, it increases the total cost of production and reduces the profitability of the industry.

• Heavy Industries: For example, industries like steel plants and cement factories, which require bulky raw materials, are often located near sources of raw materials or transport hubs to reduce transportation costs. This is why the Tata Steel plant is located in Jamshedpur, where iron ore is abundant, and transportation costs are minimized.
• Light Industries: Light industries, such as electronics manufacturing, are generally located near markets or urban centres where transportation of finished goods is more critical. For example, electronics factories in places like Noida are strategically located to take advantage of the proximity to markets and access to advanced transport networks.
• Agricultural Processing Industries: The location of industries such as sugar mills is often influenced by the proximity to agricultural areas and transport infrastructure. Sugar mills are generally found near sugarcane-producing areas to reduce transport costs for raw materials.

Thus, industries prefer to be located where transport costs are minimized, either by being close to raw materials or to markets.

Non-conventional sources of energy, such as solar, wind, biomass, and tidal energy, are crucial for sustainable development in India due to several reasons: - Decreasing Conventional Energy Sources: Traditional sources like coal and petroleum are finite, leading to concerns about long-term energy security. Non-conventional sources, being renewable, can provide a continuous supply of energy. - Environmental Benefits: Conventional energy sources contribute to pollution and climate change through the release of greenhouse gases. Non-conventional sources, such as solar and wind power, are clean and have minimal environmental impact. - Cost-Effectiveness: Although the initial installation cost may be high, renewable energy systems, particularly solar panels, can reduce long-term energy costs and offer financial savings, especially in remote areas. - Examples: Solar power has been widely used in India, especially in rural areas, where it has helped provide electricity to off-grid areas. Wind energy is harnessed in states like Tamil Nadu and Gujarat, which have high wind potential. Biomass energy, generated from agricultural waste, is increasingly being used for cooking and heating in rural areas. The use of non-conventional energy is essential to ensure a sustainable and clean energy future for India, reduce dependence on fossil fuels, and mitigate environmental impact.

In the Indira Gandhi Canal Command Area (IGCCA), the area on the left side of the main canal is at a higher elevation. Therefore, water cannot reach this side naturally by gravity and requires lift irrigation, where water is pumped to irrigate the fields. The other options are incorrect:
(A) The right side is generally irrigated using gravity flow.
(C) and (D) are vague and do not specifically relate to the canal layout.