Question Discussion & Solution

When the question figure is merged with the figure in option 3, the complete pattern can be seen as:

Hence, the figure in option (3) is the correct answer.

The correct answer is Shifting.

• Jhoom agriculture is also known as Shifting.

Key Points

• Shifting Agriculture:
  • It is practised by the tribals in the forest areas of Assam, Meghalaya, Nagaland, Manipur, Tripura, Mizoram, Arunachal Pradesh, Odisha, Madhya Pradesh, Jharkhand and Andhra Pradesh.
  • In this type of agriculture, a piece of forest land is cleared mainly by tribal people by felling and burning of trees and crops are grown.
• Jhoom is the name of Shifting Agriculture in the north-east region of India.
• Podu, Dabi, Koman or Bringa in Orissa
• Kumari in the Western Ghats.
• Watra in southeast Rajasthan,
• Penda, Bewar or Dahia and Deppa or Kumari in the Bastar district of Madhya Pradesh.

Additional Information

• Names of shifting agriculture around the world:

The correct answer is from gypsum.

Key Points

• Plaster of Paris is manufactured by heating gypsum at 423K or 150°C/300° F.
• On heating gypsum at 423 K, it loses water molecules and becomes calcium sulfate hemihydrate.
• This product is known as the plaster of Paris.

Additional Information 

• Characteristics of Gypsum Plaster:
  • Plaster of Paris is usually a white dry plaster powder.
  • It can be effectively worked with metal apparatuses or even abrasive sheets and can be shaped as per the requirements.
  • The strength of plaster of Paris is not as strong as other compounds and it often requires external support when a large amount is used.
  • It is often applied in the form of a quick-setting paste with water. 

A mountain range is a group or chain of mountains that are near together and formed by orogenic forces.

Important Points

• The Aravalli Range (sometimes called Aravali) is a mountain range in Northern-Western India.
• It runs roughly 670 kilometers (430 miles) from Delhi to Gujarat, going through southern Haryana and Rajasthan.
• Guru Shikhar, at 1,722 meters, is the tallest summit (5,650 ft).
• The Aravalli Range, which dates back to the Proterozoic era, is considered the world's oldest fold mountain system.

Additional Information

• Vindhya and Satpura ranges run parallel to each other and separate peninsular India from the mainland. 
• The Himalayas protect the Indian subcontinent from the North East as a natural barrier providing geopolitical benefits to the country.
• Vindhya, Satpura, and Himalayas are all young-fold mountains.

Hence, Aravallis is the oldest folded mountain in India.

​The correct answer is Jain temples.

• Mewa Nagar, a town in Barmer district of Rajasthan is famous for Jain temples.

​Key Points

• Mewa Nagar, Barmer district
  • The old name of this village was Veerampur and it is said that it was built in the 12th or 13th century. 
  • There are 3 Jain temples and a Vishnu temple here:
    • The largest and oldest temple here is of Nakoda Parshwanath. 
    • Other Jain temples are dedicated to Rishbhadeva and Shantinath. 

Additional Information

• Meva Nagar is built on a hillside. 
• This hill is known as the town's goats and it is located at a distance of 8 km from Balotar Nagar.
• There are many historical inscriptions here. 
• A fair is held here every year in the month of Pus.