Question Discussion & Solution

The correct answer is Western part.

Key Points

• The western part of Rajasthan has antisol group of soils.

Additional Information 

• Antisol 
  • Antisols lack well-developed horizons and have minimum profile development.
  • Districts: Entisols are the dominant soil of the state.
  • All districts in the western half are covered in some or major part by these soils.
  • In Rajasthan, important suborders are Psamments, Orthents and Fluvent.

The correct answer is Gajner Lake.

• Gajner Lake is also known as a pure water mirror.

Key Points

• Gajner Lake-
  • This lake is situated in the Bikaner's Gajner wildlife sanctuary.
  • This lake was built by Maharaja Ganga Singh.
  • This lake is also known as a pure water mirror.

Important Points

• Gajner is an incomparable jewel of the Thar.
  • The Gajner Palace was founded by Maharaja Gaj Singh Ji of Bikaner and then completed by the great Maharaja Ganga Singh of Bikaner on the banks of the lake. 

Additional Information

• Bhopal Sagar-
  • This lake is situated in the Chittorgarh.
  • This lake was built by Maharaja Bhupal Singh.
  • This lake receives water from Matrakundia Dam.
• Ram Sagar-
  • This lake is situated in Dholpur.
  • This lake is surrounded by the Ram Sagar wildlife sanctuary.
• Nand Samand-
  • This lake is situated in Rajsamand.
  • This lake is also known as Rajsamand's lifeline.

The correct answer is Junagadh - Bundi.

• Junagadh - Bundi pairs of the district with the fort and its location is not correctly matched.

​Key Points

• Junagadh Fort
  • Junagarh Fort is a fort located in the Bikaner, Rajasthan.
  • The fort was originally called Chintamani and was renamed Junagarh or "Old Fort" in the early 20^th century when the ruling family moved to Lalgarh Palace outside the fort limits.
  • It is one of the few major forts in Rajasthan which is not built on a hilltop. 

Additional Information

• Kumbhalgarh fort
  • The fort of Kumbhalgarh, in its current shape and form, was a creation of Mewar's ruler Kumbha in the 15th century. 
  • It is located in Rajasmand.
• Mehrangarh Fort
  • Mehrangarh is located in Jodhpur, Rajasthan.
  • It is one of the largest forts in India.
  • Built around 1459 by Rao Jodha.
• Ranthambore Fort
  • Ranthambore Fort is located in Sawai Madhopur, 
  • King Jayant, also a Chauhan Rajput, built the Ranthambore Fort during 1110 AD.

The correct answer is It starts and expands due to over ploughing, deforestation and improper management of soil and water.

Key Points

• Desertification is a type of land degradation in dry lands that reduces biological productivity due to natural or anthropogenic factors causing them to become more arid.
  • In western Rajasthan, desertification activities lead to the destruction of ecosystems and loss of biodiversity.
  • The desert of Rajasthan is much less than other deserts located at similar latitudes of the world.
  • It starts and spreads due to over-plowing, deforestation and improper management of soil and water.

Additional Information

• Desertification is severe in hot and dry northwest India which includes the Thar Desert.
  • Desertification has affected about 70 percent of the state. Wind erosion, a major process of desertification in the state, has affected 44.41 percent of the area.
  • Vegetation erosion and water erosion also affect desertification.
  • Sand movement and dust storms due to wind erosion and deposition are characteristic of the Thar.

The correct answer is option 2 i.e Madan-Kudan (Jhunjhunu).

• In the Rajasthan State, copper deposits are located in the districts of Jhunhunu, Sikar, Sirohi, Udaipur, Bhilwara, Ajmer, Alwar, Bharatpur, Chittorgarh, Rajsamand and Dungarpur.
• With resources of 809.09 million tonnes, the State possesses a substantial share of 54% of the total resources of the country.
• The State is the second leading producer of copper concentrate contributing 41% of the nation’s output.

Details of important deposits are given below: