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 Harayana.

Key Points

• Sex Ratio in India
  • The Child Sex Ratio is defined as the number of females per 1000 males in the age group 0 - 6 years.
  • In the census 2001, the child sex ratio of India was 927 which declined to 919 in the census 2011.
  • As per the census 2011, Arunachal Pradesh has the highest child sex ratio among the Indian states is 972 while Haryana has the lowest child sex ratio is 834 per thousand males. Hence, Option 3 is correct.
  • Among the Union Territories of India; Andaman and Nicobar Islands has the highest child sex ratio is 968 per thousand males.
  • The sex ratio is used to describe the number of females per 1000 males.
  • In the Population Census of 2011, it was revealed that the population ratio in India 2011 is 940 females per 1000 males.
  • The Sex Ratio 2011 shows an upward trend from the census 2001 data. Census 2001 revealed that there were 933 females to that of 1000 males.
  • For decades India has seen a decrease in the sex ratio 2011, but since the last two of the decades, there has been a slight increase in the sex ratio.
  • Since the last five decades, the sex ratio has been moving from around 930 females to that of 1000 males.
  • There are also states such as Puducherry and Kerala where the number of women is more than the number of men.
  • Kerala houses a number of 1084 females to that of 1000 males.
  • While Puducherry and Kerala are the only two states where the number of females is more than the number of men, there are also states in India like that of Karnataka, Andhra Pradesh, and Maharashtra where the sex ratio 2011 is showing considerable signs of improvement. 

Additional Information 

• Child Sex Ratio of all Indian states 

The correct answer is Kanwar Sen

• Kanwar Sen was an eminent civil engineer from Rajasthan.
• He was the Chief Engineer in the Bikaner state who came up with the idea of the Rajasthan Canal. He successfully implemented the Ganga canal project too.
• The idea of bringing the waters from the Himalayan Rivers flowing through Punjab and into Pakistan was conceived by him in the late 1940s.
• He proposed that 2,000,000 ha (20,000 km²) of desert land in Bikaner and the northwest corner of Jaisalmer could be brought under irrigation from the waters of Punjab rivers. 

Key Points

• The Indira Gandhi Canal is the longest canal in India.
• This project is previously known as the Rajasthan Canal Project.
• The canal is one of the projects of the Green revolution in India.
• It starts from the Harike Barrage at Harike, a few kilometers below the confluence of the Satluj and Beas rivers in the Indian state of Punjab, and terminates in irrigation facilities in the Thar Desert in the northwest of Rajasthan state.
• Indira Gandhi Canal is 649 km long and consists of the Rajasthan feeder canal and Rajasthan main canal and runs through 167 km in Punjab and Haryana and remaining 492 km in Rajasthan.
• The canal traverses 7 districts of Rajasthan: Barmer, Bikaner, Churu, Hanumangarh, Jaisalmer, Jodhpur, and Sriganganagar.

The correct answer is Bikaner- Ganganagar district - Tungsten.

• Bikaner- Ganganagar District:
  • Fields are located in the northern part of Rajasthan.
  • Gypsum is produced here in great quantity.
  • Jamsar is the major centre of production.
  • Most of the gypsum of Jamsar is now sent to the chemical fertilizer factory of Sindri in Bihar.

Additional Information

•  Nimla-Raisalo area - Iron ore:
  • Deposits of iron ore are around Nimla village.
  • Other places of iron deposits around this region are Bhangarh, Ratnapura, Rajgarh and Tohla.
• Chauth-ka-Barwara - zinc, and lead:
  • Northern-Eastern Rajasthan has zinc and lead deposit.
  • In this region, there are two major areas, known as Chauth-ka-Barwara in Sawai Madhopur and Gurha Kishori Das in Alwar district.
• Khetri-Singhana Belt - Copper:
  • It is a copper extraction belt of Rajasthan.
  • These are located in Maonda railway station.
  • Copper ore is extracted from these mines in this region, i.e., Madan Kudan mines, Kolihan mines,  Banawas mines, Barkhera mines, and others. 

 The correct answer is 1-A, 2-B, 3-C,4-D.

Additional Information

Some other important dams are-