Question Discussion & Solution

The correct answer is Beed.

Key Points

• Shekhawati Region-
  • Sikar, Churu, Jhunjhunu, and Northern Nagaur's inner water flowing area is known as Shekhawati Region / Bangar Region/ Inner water flowing area.
  • Lime layer is found below the ground in this region.
  • Johad/ Nada is a well that is found in this region.
  • Johad deepest place is known as Chobhi.
  • Churu , Sikar, and Jhunjhunu are built by Rav Shekha ,So this area is known as Shekhawati.
  • Grasslands found in this region are known as Beed.
  • Mostly Baluka stup is found in the Bangar region, where water is collected between them is known as SAR or Sarovar like- Salisar, Mansar, Jasusar etc.

Important Points

• Due to river flow soil is excessively eroded and deep valleys are built, which is known as Beehad.
• Most Beehad are found in Sawai Madhopur.
• Beehad is also known as the asylum of Goons. 

The correct answer is the Saraswati River.

Key Points

• The Saraswati by this time had become a mythical "disappeared" river, and the name was transferred to the Ghaggar which disappeared in the desert.
• Since the late 19th-century, scholars have identified the Vedic Saraswati river as the Ghaggar-Hakra river system.
• Saraswati River is believed to have disappeared under the Thar Desert because of the emergence of the Aravalli Mountain Range.
• It reappears in Allahabad which is the meeting point of Ganga and Yamuna.

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

Additional Information

Some other important dams are-

The correct answer is 76 years.

Key Points

• Comets:
  • Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
  • When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets.
  • Example:
    • Halley's Comet:
      • It is a periodic comet and returns to Earth's vicinity about every 76 years.
      • The last time it was seen in 1986, and it is projected to return in 2062.

• Asteroids:
  • They are small, rocky objects that orbit the Sun.
  • They are found between the orbits of Mars and Jupiter.
  • Asteroids are parts of a planet that exploded many years back.
    

• Meteoroids (space rocks): 
  • The small pieces of rocks which move around the sun are called meteoroids.
• Meteors:
  • When meteoroids enter Earth’s atmosphere at high speed and burn up, the fireballs or shooting stars are called meteors.
• Meteorite:
  • When a meteoroid survives a trip through the atmosphere and hits the ground, then it is called a meteorite.
    

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.