Physical Features of India Class 9 Assertion Reason CBSE Geography Chapter 2

A1: Assertion-Reason questions are a type of question format used in CBSE exams where two statements are provided: an Assertion (A) and a Reason (R). Students need to determine whether each statement is true or false and if the Reason correctly explains the Assertion.

A2: Unlike multiple-choice questions, Assertion-Reason questions require students to analyze the relationship between two statements. It’s not just about knowing the facts but understanding how they connect logically.

A3: Follow these steps:
Read both statements carefully. Understand what each statement is saying.
Determine the truth value of each statement. Decide if each statement is true or false independently.
Analyze the relationship. If both statements are true, decide whether the Reason (R) correctly explains the Assertion (A).
Choose the correct option. Based on your analysis, select the appropriate answer from the given options.

A4: The typical options are:
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, but R is not the correct explanation of A.
C. A is true, but R is false.
D. A is false, but R is true.

A5: Ensure that the Reason provides a logical explanation for the Assertion. Check if the Reason directly addresses the cause or basis of the Assertion and if they are contextually linked.

A6: Practice regularly with sample questions and past papers. Focus on understanding the concepts thoroughly rather than rote memorization. Analyzing how different facts and concepts interrelate will enhance your ability to correctly answer these questions.

A7: Common mistakes include:
Not reading the statements carefully and missing key details.
Assuming the Reason explains the Assertion without checking the logical connection.
Confusing the order or relationship between the statements.
Overthinking and adding information not provided in the question.

A8: Contextual understanding is crucial. It helps you determine whether the Reason accurately and logically explains the Assertion within the context of the subject matter.

A9: Use study guides specifically designed for Assertion-Reason questions. Online educational platforms and reference books for Class 9 Social Science also offer practice questions and explanations. xamcontent.com also provides assertion reason questions for cbse class 9 social science.

A10: Important keywords for CBSE Class 9 Physical Features of India are given below:
Archipelago: A closely grouped cluster of islands.
Atoll: Coral reef, ring or horseshoe shaped enclosing a tropical lagoon.
Barchan: A Cresent-shaped sand dune.
Bhabar: A narrow belt covered with pebbles laid down by numerous stream descending down the hills.
Bhangar: Older Alluvian plain.
Convection: It refers to the transmission of heat from one part of a liquid or gas to another by movement of particles by themselves.
Coral Island: Island made up of coral.
Coral Polyp: Short lived microscopic organisms which live in colonies.
Physiography: Shape and relief of an area.
Doab: The land between two rivers.
Duns: The valleys covered with thick gravel and alluvium.
Geology: The scientific study of the earth, including the origin and history of the rocks, soils, etc.
Himadri: Name given to the greater Himalayas.
Relief: A way to describe land surface and its configuration in respect of its altitude above the sea level.
Levees: A low wall built at the side of a river to prevent it from shifting.
Cliff: A high area of rocks with very steep side.
Canyen: An I-shaped valley having verticle walls on either sides of the river.
Rift Valley: A valley formed between two faults.

A11: Interesting Facts about India-
Extent of Himalayas: 2400 km (west to east).
Important river system of India: The Indus, the Ganga and the Brahmaputra.
World’s largest and fastest growing delta: The Sunderban Delta (The GangaBrahmaputra Delta).
West flowing river of Peninsular Plateau: Narmada and Tapi.
Island groups of India: The Lakshadweep, and the Andaman and Nicobar Islands.
Trans Himalayan rivers: The Indus, the Satluj and the Brahmaputra.
Active Volcano of India: Barren Island.
Width of Himalaya: 400 km in the West to 150 km in the East.
Recent landform in India: The Himalayas and the Northern Plain.
Ancient super continent: Gondwana land.

A12: Pamir Knot, also known as the roof of the world, is situated in Central Asia. Several mountains such as Hindu-Kush in the west and Tien Shen, Kunlun and Karakoram in the east are found here.

A13: The most important and largest mountain range of the Himachal Himalaya is Pir Panjal.

A14: The Himalayas are known for the beautiful valleys. Some of the valleys are
(i) Kashmir Valley
(ii) Kullu Valley
(iii) The Dunes
(iv) Kathmandu Valley

A15: The concept of ‘Doab’ is made up of two words ‘do’ meaning two and ‘ab’ meaning water. Thus, the concept ‘Doab’ refers to a land situated between two water bodies, i.e., rivers.

A16: India is the seventh largest country in the world in terms of area. India occupies the central peninsula of Asia. It consists of the mainland and two Island groups, viz., Lakshadweep in the Arabian Sea and the Andaman Nicobar Islands in the Bay of Bengal.

A17: It is a theory which explains the formation of physical features on the surface of the earth. According to this theory, the crust of the earth is made up of seven major and twelve minor plates. The stress of the plates and the continental rocks, leads to folding, faulting and volcanic activities.