Question Discussion & Solution

The correct answer is Banas.

Key Points

• The river which has the largest catchment area in Rajasthan is Banas.

Additional Information 

• The Banas River
  • The Banas is a river that lies entirely within the state of Rajasthan in western India.
  • It is a tributary of the Chambal River, itself a tributary of the Yamuna, which in turn merges into the Ganga.
  • The Banas is approximately 512 kilometres in length. 
  • Source: Aravalli Range
  • Mouth: Chambal
  • Cities: Kumbhalgarh in Rajsamand district, Mewar, Chambal near the village of Rameshwar in Sawai Madhopur

The iron and steel industry is basic to the industrial development of any country. Almost all sectors of the Indian Industry depend heavily on the Iron and Steel industry for their basic infrastructure.

Important Points

After Independence, during the Second Five Year Plan (1956-61), new Integrated steel plants were set-up with foreign collaboration. These are as follows:

From the above, we can conclude that the Rourkela steel plant was set up in collaboration with Germany.

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 Churu.

Key Points

• Some important facts regarding the temperature of Rajasthan-
  • June is the warmest month in Rajasthan while January is the coldest month in Rajasthan.
  • Churu is the warmest and coldest district of Rajasthan, so Churu has the most annual temperature difference.
  • Jaisalmer has the most daily temperature difference in Rajasthan.

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

Key Points

Important Points

• Aravali Mountain Region-
  • Its Geographical structure is firstly explained by A.M.Heran in 1923 AD.
  • It is compared with American Aplesian Mountain.
  • The Aravali Range is a northeast-southwest trending organic belt that is located in the northwestern part of the Indian Peninsula.
  • It extends in Rajasthan from 23° 20' north axis to 28° 20' north axis and 72° 10' eastern longitude to 77° eastern longitude.