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 1-A, 2-B, 3-C, 4-D.

• Unequal distribution of rain is a specification of Rajasthan's climate.
• Rajasthan receives most rainfall from the southwest monsoon.
• January is the coldest month in Rajasthan.
• June is the warmest month in Rajasthan.
• Jaisalmer has the most transpiration rate in Rajasthan. 
• Dungarpur has the lowest transpiration rate in Rajasthan.
• Due to western disturbances, Rajasthan receives rainfall in winter is known as Mawatha.

The correct answer is 2002-03.

Key Points

• In 2002-03, Rajasthan faced one of the worst droughts of the century.
• This was the fifth continuous drought year in the state and all the 32 districts are affected.
• The state received only 220.4 mm rainfall up to 30th September, against the normal of 518.6 mm of the overall monsoon.
• The overall state rainfall deficit was -57.5% and the rainfall deviation ranges from -90.1% in the Bikaner district to -32.0% in the Jhalawar district.
• In 2016, Rajasthan was in the grip of a water crisis with 19 out of the 33 districts being famine-affected.
• The government sent water trains to parched Bhilwara and tankers to other areas facing an acute shortage.
• 90 per cent of water-related schemes in the state was dependent on ground water but the ground water table was going down therefore surface water is also being used.

The correct answer is option 3 i.e Pali.

• Pali district is located between 24°45′ to 26°29′ North Latitudes and 72° 47′ to 74° 18′ East Longitudes 
• It shares its boundaries with 8 districts of the state namely, Ajmer, Barmer, Jalore, Jodhpur, Nagaur, Rajsamand, Sirohi and Udaipur.

Important Points

• Jawai Dam is one of the biggest dams of western Rajasthan and situated in Sumerpur tehsil of Pali district.
• Todgarh Raoli Wildlife Sanctuary is spread over Ajmer, Pali and Rajsamand districts of Rajasthan.

Additional Information

• Nagaur touches 7 districts namely, Jodhpur, Bikaner, Churu, Sikar, Jaipur, Ajmer, Pali.
• Jodhpur touches 5 districts namely, Jaisalmer, Bikaner, Nagaur, Pali, Barmer.
• Rajsamand touches 5 districts namely, Ajmer, Bhilwara, Chittorgarh, Udaipur, Pali.

The peninsular rivers :

• The peninsular rivers are the rivers that originate from the peninsular plateaus and small hills of India.
• These rivers are seasonal or non-perennial as they receive water only from the rains and thus cannot maintain water flow throughout the year.
• Some of the famous peninsular rivers include Kaveri, Narmada, Tapi, Krishna, Mahanadi, and the Godavari.
• Few of them are east flowing and drains into the Bay of Bengal, i.e. Mahanadi, Godavari, Krishna, Kaveri, etc.
• The others are west-flowing rivers, i.e. Narmada, Tapi, Luni, Mahi, etc.

Narmada: 

• It is located mainly in Madhya Pradesh.
• The Narmada River is also known as the Rewa River.
• The River is originated from the Maikala range near Amarkantak.
• It is a West flowing river and flows from the rift valley of Vindhyan and Satpura ranges. 
• The River flows through Gujarat, Chhattisgarh Madhya Pradesh, and Maharashtra.
• The tributaries of the Narmada River are Kolar River, Shakkar River, Dudhi River, Tawa River, and Hiran River.
• Major Hydro Power projects in this river are Maheshwar Dam, Sardar Sarovar Dam, and Indira Gandhi Sagar Dam.

Hence, it is clear from the above discussion that the river Narmada is the longest of all. 

So, option 1 is the correct answer.