301. Which one of the following is a cold local wind ?

Which one of the following is a cold local wind ?

[amp_mcq option1=”Santa Ana” option2=”Chinook” option3=”Mistral” option4=”Loo” correct=”option3″]

This question was previously asked in
UPSC NDA-2 – 2020
Among the given options, the Mistral is a well-known cold local wind. It is a strong, cold, dry wind that blows from the north and northwest through the lower Rhรดne Valley in France towards the Mediterranean Sea, particularly during winter.
Local winds are specific to a particular region and are often named based on their characteristics or location. They can be hot or cold.
Santa Ana is a hot, dry wind in Southern California. Chinook is a warm, dry wind (a type of Foehn wind) that blows down the eastern slopes of the Rocky Mountains in North America. Loo is a hot, dry wind that blows across the North Indian plains during the summer months. Other cold local winds include the Bora (Adriatic coast), Pampero (Argentina), and Blizzard (polar regions).

302. Which one of the following is the natural vegetation of South east Chi

Which one of the following is the natural vegetation of South east China ?

[amp_mcq option1=”Subtropical broadleaf evergreen forest” option2=”Tropical broadleaf evergreen forest” option3=”Tropical deciduous forest” option4=”Temperate evergreen forest” correct=”option1″]

This question was previously asked in
UPSC NDA-2 – 2020
South east China is located in a region characterized by a humid subtropical climate. This climate zone, with warm to hot, humid summers and mild winters with sufficient rainfall throughout the year, is ideal for the growth of broadleaf evergreen forests that thrive in subtropical conditions. Therefore, the natural vegetation is Subtropical broadleaf evergreen forest.
Climate is the primary determinant of natural vegetation type. Humid subtropical climates support broadleaf evergreen forests.
Examples of vegetation found in this region include various species of oaks, laurels, magnolias, and camphors. While tropical evergreen forests require consistently high temperatures year-round, and temperate forests experience distinct cold winters and shedding of leaves (deciduous) or are evergreen in colder temperate zones (coniferous/some broadleaf), the climate of southeast China fits the subtropical category best.

303. Which one of the following is NOT a current of Pacific Ocean ?

Which one of the following is NOT a current of Pacific Ocean ?

[amp_mcq option1=”Oyashio current” option2=”Alaska current” option3=”Agulhas current” option4=”California current” correct=”option3″]

This question was previously asked in
UPSC NDA-2 – 2020
The correct answer is C) Agulhas current.
The question asks which current is NOT a current of the Pacific Ocean. The Agulhas Current is a major ocean current located in the southwestern Indian Ocean.
Oyashio current, Alaska current, and California current are all significant currents found in the Pacific Ocean. The Oyashio is a cold current in the North Pacific, the Alaska current is a warm current also in the North Pacific, and the California current is a cold current in the North Pacific along the coast of North America. The Agulhas current flows down the east coast of Africa.

304. The Panama Canal opened in 1914, links

The Panama Canal opened in 1914, links

[amp_mcq option1=”Red Sea and Mediterranean Sea” option2=”Atlantic Ocean and Pacific Ocean” option3=”Indian Ocean and Pacific Ocean” option4=”Adriatic Sea and Black Sea” correct=”option2″]

This question was previously asked in
UPSC NDA-2 – 2020
The Panama Canal is an artificial 82 km (51 mile) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean. It is a key conduit for international maritime trade.
– Panama Canal: Links the Atlantic Ocean (via the Caribbean Sea) and the Pacific Ocean.
– Suez Canal: Links the Mediterranean Sea and the Red Sea.
– Strait of Malacca: A major shipping lane linking the Indian Ocean and the Pacific Ocean (via the South China Sea).
Construction of the Panama Canal by the United States began in 1904 and it officially opened on August 15, 1914. It significantly reduced the time and distance required for ships to travel between the two great oceans, eliminating the need to navigate around the southern tip of South America (Cape Horn).

305. Which one of the following countries is called the ‘country of winds’

Which one of the following countries is called the ‘country of winds’ ?

[amp_mcq option1=”India” option2=”China” option3=”Denmark” option4=”Germany” correct=”option3″]

This question was previously asked in
UPSC NDA-2 – 2020
The correct option is (C) Denmark.
Denmark is often referred to as the ‘country of winds’ due to its geographical location, which experiences strong and consistent winds, and its significant investment in and reliance on wind energy, making it a global leader in this sector.
Denmark has a high percentage of its electricity consumption covered by wind power, often exceeding 50% annually. This leadership in wind energy technology and utilization reinforces its association with wind.

306. New Zealand is considered part of which one of the following island gr

New Zealand is considered part of which one of the following island groups ?

[amp_mcq option1=”Micronesia” option2=”Melanesia” option3=”Polynesia” option4=”Hawaii Island chain” correct=”option3″]

This question was previously asked in
UPSC NDA-2 – 2020
New Zealand is considered part of the Polynesia island group.
The Pacific Islands are broadly divided into three major cultural and geographical regions: Melanesia, Micronesia, and Polynesia. Polynesia forms a vast triangle in the Pacific Ocean with corners at Hawaii, New Zealand (Aotearoa), and Easter Island. New Zealand is the largest and most populous island nation within the Polynesian triangle.
Melanesia is generally located to the north and west of Polynesia, including island nations like Fiji, Vanuatu, Solomon Islands, and Papua New Guinea. Micronesia is situated north of Melanesia and includes islands like Guam, Marshall Islands, and Federated States of Micronesia.

307. Lithosphere consists of

Lithosphere consists of

[amp_mcq option1=”upper and lower mantle.” option2=”crust and core.” option3=”crust and uppermost solid mantle.” option4=”mantle and core.” correct=”option3″]

This question was previously asked in
UPSC NDA-2 – 2019
C
The Earth’s internal structure can be described in terms of both chemical composition and physical (rheological) properties. The lithosphere is defined by its physical properties; it is the rigid, outermost shell of the Earth. It consists of the crust (both continental and oceanic) and the uppermost, rigid part of the mantle (also known as the lithospheric mantle). It sits atop the asthenosphere, which is a more ductile layer of the upper mantle.
The lithosphere is typically about 100 km thick, though its thickness varies significantly, being thinner under oceanic crust (around 50-100 km) and thicker under continental crust (up to 200 km or more beneath old mountain ranges). The movement of the lithospheric plates over the asthenosphere is the basis of plate tectonics.

308. Which one of the following is a major plate ?

Which one of the following is a major plate ?

[amp_mcq option1=”Pacific Plate” option2=”Cocos Plate” option3=”Arabian Plate” option4=”Philippine Plate” correct=”option1″]

This question was previously asked in
UPSC NDA-2 – 2019
A
The Earth’s lithosphere is divided into several large tectonic plates. Major plates are the largest ones. The generally accepted list of major plates includes the Pacific Plate, North American Plate, Eurasian Plate, African Plate, Antarctic Plate, Indo-Australian Plate, and South American Plate. The other options listed – Cocos Plate, Arabian Plate, and Philippine Plate – are typically classified as minor or secondary plates due to their smaller size.
There are roughly seven to nine major tectonic plates and numerous minor plates. Major plates cover vast areas, often including both continental and oceanic crust. Minor plates are smaller fragments of the lithosphere. Plate tectonics is the theory describing the large-scale motion of these plates, which is responsible for earthquakes, volcanic activity, mountain building, and ocean basin formation.

309. A deep valley characterized by steep step-like slope is known as

A deep valley characterized by steep step-like slope is known as

[amp_mcq option1=”U-shaped valley.” option2=”Blind valley.” option3=”Gorge.” option4=”Canyon.” correct=”option4″]

This question was previously asked in
UPSC NDA-2 – 2019
A deep valley characterized by steep step-like slopes is known as a canyon.
Canyons are deep gorges, often with steep to sheer walls, frequently carved by rivers, especially in arid or semi-arid regions where differential erosion of layered sedimentary rock creates a stair-step appearance on the slopes.
While a gorge is also a deep, narrow valley with steep sides, the description “step-like slope” is particularly characteristic of canyons formed in horizontally layered rock where resistant layers form cliffs and weaker layers erode into slopes or benches, creating a stepped profile. A U-shaped valley is glacial in origin, and a blind valley ends abruptly at a sinkhole.

310. Stalactite, stalagmite and pillars are the depositional landforms of

Stalactite, stalagmite and pillars are the depositional landforms of

[amp_mcq option1=”running water.” option2=”wind.” option3=”glacier.” option4=”underground water.” correct=”option4″]

This question was previously asked in
UPSC NDA-2 – 2019
Stalactites, stalagmites, and pillars are depositional landforms typically found in karst topography, which is shaped by the action of underground water dissolving and redepositing soluble rock, primarily limestone.
Stalactites hang from the ceiling of caves, formed by calcium carbonate deposited from dripping water. Stalagmites rise from the cave floor as water drips from above. Pillars are formed when a stalactite and a stalagmite meet.
These features are formed through the process of precipitation of dissolved minerals (calcite) as the water, supersaturated with calcium bicarbonate, loses carbon dioxide upon exposure to the cave air. Underground water is the primary agent responsible for both the dissolution (creating caves) and deposition (forming these structures) in karst regions.