CBSE Questions for Class 9 Geography Physical Features Of India Quiz 6 - MCQExams.com

• Mahendragiri is a mountain peak at in the Parlakimidi subdivision of the Gajapati district in Odisha.
  
• It is situated amongst the Eastern Ghats at an elevation of 1,501 metres (4,925 ft).

• Biodiversity hot spot can be defines as a region with significant levels of biodiversity that has been preserved because of human threat to the ecology.
  
• Globally there are about 34 biodiversity hotspots. India is one of the richest countries in the world in terms of biodiversity. India hosts 3 of them which includes Western Ghats, Himalayas and Indo-Burma region.
  

• Delta region is formed by deposition of sediments carried by rivers. In such regions alluvial soil is mostly formed.
  
• Alluvium is a loose soil or sediments which are formed by erosion by rainwater. It is typically made of small particles of silt and clay and larger particles of sand and gravel.
  

• The Purvanchal Mountains, or Eastern Mountains, consist of the area of the Himalayas bending harply to the south and spreading along the eastern boundary of India beyond the Dihang gorge.
  
•  Composed largely of strong sandstone, they are the eastern extension of the Himalayan range, lying in northeastern India near Myanmar.
  

• Bhabar
• After descending from the mountains, the rivers deposit pebbles in a narrow belt. 
  
• The width of this belt is about 8 to 16 km and it lies parallel to the Shiwaliks.
  
• This region is known as bhabar. All the streams disappear in this region. 
  

A. Due to the apparent northward movement of the sun, the global heat belts shift north-wards.

Peninsular India is closer to the Equator as compared to Northern India. Thus when the sun's direct rays shift from the Equator to the Tropic of Cancer, southern India receives the direct rays before Northern India.

Narcondam is a small volcanic island located in the Andaman Sea. The island's peak rises to 710 m above mean sea level, and it is formed of andesite. Narcondam islands are supposed to be dormant volcano whereas Barren is still active. India’s only active volcano is the Barren Islands volcano located in the Andaman and Nicobar Islands.

• The Punjab Plain is an alluvial plain in Pakistan and the north-west of India. 
  
• The plain includes the Pakistani province of Punjab and the Indian states of Punjab and Haryana and is around 35,000 square miles (91,000 km²) in area.
  
•  The plain is extensively farmed for cereals and cotton.
  
•  It is bounded by the  Shiwalik Range  to the north, the  Yamuna River to the east, the arid zone of Rajasthan state to the south, and the  Ravi  and  Sutlej rivers to the northwest and southwest, respectively.
  

• The Indian part of Himalayas extends over 10 states covering 95 districts and an area of 5 lakh km2. It comprises over 16% of the country’s geographical area.
  
• The Himalayas are diverse in people, climate, ecology, soil, flora & fauna.
  
• The economy in the Himalayas is as diverse as its topography.
  
•  It ranges from the subsistence level economy of the migratory pastoralists and small farmers to the prosperity of the fruit and tea estate owners.
  
•  Other activities include traditional crafts and skills, casual labour, employment in the fruit processing industries, the tea gardens, in the tourism and in pilgrimage industry.
  
•  Economic changes, an increase in population and urbanization, tourism, the building of communication lines into the remotest reaches have further taken their toll on this region.
  

• Himalayas, as a region, have always been susceptible to disaster, due to the neo-tectonic mountain-building process, like earthquakes, landslides, floods, etc.
  
• Regions in India are prone to FREQUENT earthquakes include 
  
•  Himalayan belt-Collision between lithological plates i.e. Indo-Austral plate with Eurasian plate; and Burma Plate with Java Sumatra plate .
  
• Certain regions in India are more prone to earthquakes because they are located close to the edges of the India plate, which is driving into the Eurasian plate.
  
•  This is what causes earthquakes in India, and why the Northeastern States, part of Gujarat, and the Himalayan range are considered earthquake prone.
  

The Kangchenjunga is the highest mountain peak in India and ranked 3rd highest summit in the world with an elevation of 8,586 m (28,169 ft). The highest mountain Kangchenjunga is located at the border of India and Nepal in the great Himalaya range, Sikkim.