Worksheet: Structure and Physiography | Geography Class 11 - Humanities/Arts PDF Download

Fill in the Blanks

Q1: The Earth is approximately ______ million years old.

Q2: Endogenic and exogenic forces have played a significant role in shaping the Earth's _______.

Q3: The Indian plate was to the ______ of the equator millions of years ago.

Q4: The Australian plate was a part of the ______ plate.

Q5: The northward movement of the Indian plate is still _______.

Q6: The present geological structure and geomorphologic processes in India are a result of the interplay of _______.

Q7: India can be divided into three geological divisions based on its _______.

Q8: The Peninsula is primarily formed by ancient _______ and _______.

Q9: The rift valleys of the Narmada, Tapi, and Mahanadi are examples of _______.

Q10: The deltas formed by the Mahanadi, Krishna, Kaveri, and Godavari rivers are located in the _______.

Assertion and Reason Based

Q1: Assertion: The Himalayas are tectonic in origin.
Reason: The Himalayas are composed of young, weak, and flexible rocks.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Q2: Assertion: The Peninsular Block is characterized by a stable geological structure.
Reason: The Peninsular Block is subject to frequent volcanic activity.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Q3: Assertion: The Indo-Ganga-Brahmaputra Plain was formed during the third phase of Himalayan mountain formation.
Reason: The plain has been gradually filled by sediments brought by Himalayan and Peninsular rivers.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Q4: Assertion: The Himalayas act as a physical barrier between the Indian subcontinent and Central and East Asian countries.
Reason: The Himalayas have a uniform north-south orientation throughout their entire length.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Q5: Assertion: The Arunachal Himalayas have the highest hydro-electric power potential in India.
Reason: These ranges are characterized by slow-flowing rivers and shallow gorges.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Very Short Answer Type Questions

Q1: Explain the concept of endogenic forces.

Q2: What is the significance of the Indian plate's northward movement?

Q3: Name the three geological divisions of India based on variations in its geological structure.

Q4: Define the term "physiography."

Q5: Differentiate between the Peninsular Block and the Himalayas in terms of geological structure.

Q6: List some landforms indicative of the youthful stage in the Himalayas.

Q7: How did the Indo-Ganga-Brahmaputra Plain form?

Q8: What is the average depth of alluvial deposits in the plains of the Indo-Ganga-Brahmaputra Plain?

Q9: How have geological and geomorphological processes influenced the relief and physiography of India?

Q10: What role do the Himalayas play in shaping India's climate and culture?

Short Answer Type Questions

Q1: Explain the movement of the Indian plate and its consequences on the Indian subcontinent's physical environment.

Q2: Describe the geological characteristics of the Peninsular Block.

Q3: Discuss the significance of rift valleys and block faulting in the Peninsular Block.

Q4: Explain the physiographic divisions of India based on macro variations.

Q5: Describe the major sub-divisions of the Himalayas.

Q6: Discuss the geological characteristics of the Arunachal Himalayas.

Q7: Explain the physiography of the Eastern Hills and Mountains.

Q8: Discuss the role of Jhum cultivation in the Arunachal Himalayas.

Long Answer Type Questions

Q1: Describe the formation and geological characteristics of the Peninsular Block.

Q2: Explain the geological and geomorphological processes that have shaped the Indian subcontinent's physiography.

Q3: Discuss the physiographic divisions of India based on macro variations.

Q4: Describe the Himalayas as a physical, climatic, drainage, and cultural divide in the Indian subcontinent.