Question Discussion & Solution

The correct answer is Bundi.

Key Points

• Aw or Tropical Humid Region:
  • ​The southern parts of Dungarpur, Jhalawar, and Banswara comes under the region.
  • The Winter season is arid and cool whereas summers experience scorching heat.
  • Rainfall also occurs mainly in the summer season.
  • Here arid Tropical grasslands and the Savanna region are found along with deciduous trees of Monsoon type.

​Additional Information

• A land-based classification of climatic zones, the Koppen classification system divides the earth into five major types, represented with the letters A, B, C, D, and E.
• Presently, the system utilizes both precipitation and temperature, as well as corresponding vegetation, to categorize biomes across the world.
• All zones except Zone B can be defined by temperature because the determining criteria for the vegetation in this zone are dryness, which falls under precipitation.
• Three types of climatic variation may be found within the Tropical Moist Climate region:
  • Af, or tropical wet climate, where precipitation occurs year-round.
    • Temperature variations are less than 3ºC.
    • Humidity is extremely high and the surface temperature results in the formation of cumulus and cumulonimbus clouds in the early afternoon time, daily.
    • This results in high rainfall.
  • Am, or tropical monsoon climate, where annual rainfall is similar to that of Af, but precipitation usually occurs within the 7-9 of the warmest months of the year.
    • During the rest of the year, there is less precipitation.
  • Aw, or the tropical wet and dry climate, also known as the savanna climate, where there is an extended dry season during the winter.
    • During the wet season, rainfall is less than 1000mm, occurring mainly in the summertime.

The correct answer is Dausa.

• As per the 2011 census, the Dausa district has the lowest percentage of the urban population.
• Of the total population of Rajasthan state, around 75.13 per cent live in the villages of rural areas.
  • In actual numbers, males and females were 26,641,747 and 24,858,605 respectively.
  • The total population of rural areas of Rajasthan state was 51,500,352.

Key Points

Top 5 Districts of Rajasthan having highest Rural population

Bottom 5 Districts of Rajasthan having the lowest Rural population

The correct answer is Madhya Pradesh

• Rajasthan is located in the northwestern part of the subcontinent.
• Rajasthan covers 10.4% of India, an area of 342,239 square kilometers.
• It is bordered-
  • On its west and northwest by Pakistan (1070 kilometers​).
  • On its north and northeast by the states of Punjab, Haryana, and Uttar Pradesh.
  • On its east and southeast by the states of Uttar Pradesh and Madhya Pradesh, and
  • On its southwest by the state of Gujarat.
  • It shares the longest border with Madhya Pradesh.

​Additional Information

• ​Bikaner district has the shortest international boundary.

• A rock is any naturally occurring solid mass or aggregate of one or more minerals or mineraloid matter.
• The earth's crust is composed of rocks.
• It is categorized by the minerals included its chemical composition and the way in which it is formed.
• The rock cycle is a basic concept of transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous.
• Each rock type is altered when it is forced out of its equilibrium conditions.

​Metamorphic Rocks

• ​The word metamorphic means ‘change of form’.
• These rocks form under the action of pressure, volume and temperature (PVT) change.
• Metamorphism occurs when rocks are forced down to lower levels by tectonic processes.
• Or when molten magma rising through the crust comes in contact with the crustal rocks.
• Or the underlying rocks are subjected to great amounts of pressure by overlying rocks.
• Metamorphism is a process by which already consolidated rocks undergo recrystallisation and reorganisation of materials within original rocks.
• Common metamorphic rocks include slate, schist, gneiss, and marble.

​
Thus, marble is an example of metamorphic rock.

​

Igneous Rocks:

• Igneous Rocks are formed by crystallization from a liquid or magma.
• They are also known as primary rocks.
• There are two types of Igneous rocks based on their mode of occurrence: 

1. Volcanic or extrusive igneous rocks that form when the magma cools and crystallizes on the surface of the Earth
2. Intrusive or plutonic igneous rocks wherein the magma crystallizes at depth in the Earth.

• Magma is a mixture of liquid rock, crystals, and gas with a wide range of chemical compositions, temperature, and properties of a liquid.​

Sedimentary Rocks:

• ​The word ‘sedimentary’ is derived from the Latin word sedimentum, which means settling.
• Sedimentary rocks are called secondary rocks.
• They are often the result of the accumulation of small pieces broken off of pre-existing rocks.
• In many sedimentary rocks, the layers of deposits retain their characteristics even after deposition.
• Hence, we see a number of layers of varying thickness in sedimentary rocks like sandstone, shale etc.

The correct answer is Dungarpur - Banswara.

Key Points

• In Rajasthan, the Mahi river forms the boundary with Dungarpur and Banswara districts.

Additional Information 

• Mahi is one of the major interstate west-flowing rivers.
  • The total length of Mahi is 583 km.
  • It originates in the Mahi Kanta hills, from the northern slopes of Vindhyas at an altitude of 500 m near village Bhopawar, Sardarpur Tehsil in Dhar district of Madhya Pradesh. 
  • It enters the Banswara district of Rajasthan and makes the border between Banswara and Dungarpur. 
  • Mahi river tributaries- Som, Anans, and Panam.
  • Mahi is the only river that crosses the tropic of cancer twice.