Human and Economic Geography: UPSC Previous Year Questions (Geography)

Explanation

A is correctly matched with 1: Bellary, in Karnataka, India, is known for its graphite deposits. Graphite is a mineral form of carbon used in various industries. B is correctly matched with 4: Zawar, located in Rajasthan, is renowned for its lead-zinc mines. The Zawar mines are among the oldest in India and have been significant sources of lead production. C is correctly matched with 2: Didwana, located in Rajasthan, is known for its salt pans and saline deposits. D is correctly matched with 3: The Rampa region in Andhra Pradesh has been historically associated with silver production, often as a by-product of mining operations.

Explanation

India is the only country in the world which produces all varieties of silk namely tasar, muga and mulberry. India occupies a predominant position in the world and it is the second largest producer of silk after China.

Option (a) is correct: Oak tasar silk is a type of wild silk produced by silkworms that feed exclusively on the leaves of oak trees. It’s known for its unique golden-brown color, durability, and natural luster. The discovery of suitable oak flora in Assam in 1966 significantly boosted the production of Oak tasar silk in the region. By the year 1998, Assam was the largest producer of Oak Tasar Silk. Options (b), (c) and (d) are incorrect:

Tropical tasar is produced in Jharkhand, Chattisgarh, Madhya Pradesh, Orissa and Bihar and to a small extant in Maharashtra, West Bengal and Andhra Pradesh. Assam is renowned for its sericulture industry, especially for muga and eri silks. While the state has favorable conditions for various types of silk production, it is not the leading producer of oak tasar silk.

Explanation

A is correctly matched with 2: Jamnagar, located in Gujarat, is historically known for its textile industry, including woollen and silk textiles. The city is known for its production of Bandhani (tie-dye) fabrics and other woollen textiles. B is correctly matched with 5: Hospet, in Karnataka, is part of the Bellary-Hospet region, which is rich in iron ore deposits. It is a major center for iron and steel production, with industries like Jindal Steel and Vijayanagar Steel Plant operating in the region. C is correctly matched with 1: Korba, in Chhattisgarh, is known as the "Power Capital of India" and is a major center for aluminium production. The Bharat Aluminium Company (BAL-CO) operates a major plant in Korba, contributing significantly to the aluminium industry. D is correctly matched with 3: Haldia, in West Bengal is an industrial city with a major fertilizer plant. The Haldia Petrochemicals Limited (HPL) and other chemical industries are prominent here.

Explanation

A is correctly matched with 2: Alibag is renowned for its beautiful beaches(Alibag Beach and Kihim Beach) and coastal scenery, making it a popular holiday destination. Its proximity to Mumbai has led to its development as a resort town, attracting tourists seeking leisure and relaxation. B is correctly matched with 1: Balapur, located near the coast, has a community primarily engaged in fishing activities. The town’s economy is significantly supported by its fishing industry, supplying seafood to nearby regions. C is correctly matched with 4: Nhava Sheva, also known as Jawaharlal Nehru Port (JNPT), is India’s largest container port located near Mumbai. D is correctly matched with 3: Ratnagiri is known for its petrochemical industries, including oil refineries and other related facilities.

Explanation

Surface road density is calculated as the total length of surface roads (in km) divided by the area of the state (in 100 km² units). States with higher road density have better road connectivity and infrastructure. The correct descending order by state number is: Tamil Nadu (4) > Punjab (3) > Maharashtra (2) > Haryana (1) Tamil Nadu (State 4): 158.78 km per 100 km2 Punjab (State 3): 127.78 km per 100 km2 Maharashtra (State 2): 117.61 km per 100 km2 Haryana (State 1): 63.70 km per 100 km2

Explanation

Option (a) is correct: The Konkan Railway runs along the Konkan region of India, covering the western coastal states of Maharashtra, Goa, Karnataka, and Kerala. The railway was inaugurated in 1998 and significantly improved connectivity and economic development in these states. The Konkan Railway runs from Roha in Maharashtra to Thokur in Karnataka, covering a distance of approximately 760 km. It benefits towns and cities in Kerala situated nearby karnataka borders.

Option (b) is incorrect: Option includes Madhya Pradesh and Tamil Nadu, which are not part of the Konkan region. These states do not benefit directly from the Konkan Railway.

Option (c) is incorrect: Option lists Tamil Nadu, a southern state not served by the Konkan Railway, which runs along the western coast.

Option (d) is incorrect: Option contains Gujarat and Tamil Nadu, both of which lie outside the typical route of the Konkan Railway. Gujarat is in the north-west and Tamil Nadu in the south-east, making this option unsuitable.

Explanation

The Ahmedabad-Vadodara Expressway is a 6-lane expressway that connects the cities of Ahmedabad and Vadodara in Gujarat. It was one of India’s first expressways and significantly reduced travel time between the two cities. The expressway became operational in the late 1990s. The Mumbai-Pune Expressway is also a 6-lane expressway but was officially opened to traffic in 2002.

Explanation

Option (b) is correct: The majority of the world’s population is concentrated in regions between 20°N and 40°N latitude due to favorable climatic, geographical, and economic factors. This region includes highly populated countries like In-dia, China, Bangladesh, Pakistan and parts of the Middle East, North Africa, and Southeast Asia. These areas offer suitable conditions for agriculture, industrialization, and urbanization, which have historically supported large populations.

Option (a) is incorrect: This region includes parts of tropical Africa, Southeast Asia, and northern South America. While densely populated areas exist, the overall population concentration is lower compared to 20°N to 40°N.

Option (c) is incorrect: This latitude includes parts of Europe, Russia, and North America, which are less populated compared to 20°N to 40°N.

Option (d) is incorrect:: This region includes parts of Australia, South Africa, and South America, which have lower population densities.

Explanation

The description "people of yellow complexion, oblique eyes, high cheek bones, sparse hair and medium height" is characteristic of the group historically classified as Mongoloids. The term "Mongoloid" (a now outdated anthropological classification) has been used to refer to peoples primarily from East Asia, Southeast Asia, the Arctic, and some parts of the Indian subcontinent (notably the northeast). They are typically described as having a yellowish or light olive complexion, oblique (almond-shaped) eyes, high cheekbones, and a generally medium stature.

Option (a), (b) and (c) are incorrect:

Nordic Aryans belong to the Caucasoid racial group, which is primarily found in Northern and Central Europe. They typically have light skin, tall stature, blue or light-colored eyes, and straight or wavy hair. Austrics refer to the Austro-Asiatic language-speaking ethnic groups found in India and Southeast Asia. They are generally dark-skinned, have broad noses, and curly hair. Negroids primarily refer to populations of African origin. They have dark skin, tightly curled hair, broad noses, and full lips.

Explanation

A is correctly matched with 2:The Karanpura coal-fields are located in Jharkhand, known for their vast coal re-serves. B is correctly matched with 3: The Hutti Gold Mines in Karnataka are one of the few active gold mining areas in India.The Hutti region has a long history of gold mining and remains significant in India’s gold production. C is correctly matched with 4: Nellore district in Andhra Pradesh is famous for its high-quality mica deposits. D is matched with 1: The Bhandara district in Maharashtra is a significant producer of manganese, used in steel production and other industries.