PSEB 9th Class SST Notes Geography Chapter 2a India: Physiographic Units

This PSEB 9th Class Social Science Notes Geography Chapter 2a India: Physiographic Units will help you in revision during exams.

PSEB 9th Class Social Science Notes Geography Chapter 2a India: Physiographic Units

→ The branch of science which studies the factors responsible for the formation of landscapes is known as Geomorphology.

→ India’s total landform is divided into plains (43%), mountains (29.3%), and plateau regions (27.7%).

→ According to’ to the surface, India can be divided into five parts:

  • Himalaya mountain
  • Northern Plains
  • Plateau region
  • Coastal plains
  • Islands

→ Around1 12 crore years ago, there was a sea called ‘Tethys’ where presently Himalaya mountain is situated.

→ The highest mountain peak of the world is Mount Everest and of India is Godwin Austin (Kg).

→ Famous passes of the subcontinent are in the Himalayan region. Central Himalaya is famous for its hill stations.

PSEB 9th Class SST Notes Geography Chapter 2a India: Physiographic Units

→ Bhabhar, Terai, Bangar, Bhoor, etc. are different types of plains.

→ Bist Doab and Bari Doab are in India and Chaj Doab is in Pakistan.

→ The meaning of Sunderban is the forest full of Sunderi trees.

→ Plateau of Central India, Malwa Plateau, and Southern Plateau are the plateau regions of India. These are the parts of the peninsular plateau.

→ Thai ghat, Bhor ghat, and Pal ghat are the famous passes of western ghats.

→ The plateau region of eastern ghats is full of minerals.

→ Kutch, Konkan, Malabar, Coromandel, and Northern Circars are the parts of Coastal plains.

→ There are around 267 islands in the Indian island groups.

→ They can be divided into two groups-Andaman-Nicobar islands in the Bay of Bengal and the Lakshadweep islands in the Arabian Sea.

→ Malwa plateau is triangular in shape.

→ Chota Nagpur plateau is famous for minerals and is a part of the Malwa plateau.

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