Worksheet: Drainage System | Geography Class 11 - Humanities/Arts PDF Download

Fill in the Blanks 

Q1: The network of channels through which water flows is called ____________.

Q2: The boundary separating one drainage basin from another is known as ____________.

Q3: The catchment area of a river is also called its ____________.

Q4: A drainage pattern resembling the branches of a tree is known as ____________.

Q5: The rivers originating from the Amarkantak range have a ____________ drainage pattern.

Q6: The Arabian Sea drainage and Bay of Bengal drainage are separated by the ____________.

Q7: The largest river in the Peninsular Drainage System is ____________.

Q8: The Narmada and Tapi flow through a rift valley and lack ____________ deposits.

Q9: The river with the youngest rivers in India is the ____________.

Q10: The Peninsular rivers flow from ____________ to ____________.

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Assertion and Reason Based

Q1: Assertion: The drainage pattern resembling the branches of a tree is known as 'dendritic.'
Reason: This pattern is common in hilly regions.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q2: Assertion: The Himalayan rivers are perennial.
Reason: They are fed by both snowmelt and precipitation.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q3: Assertion: The Indus River is one of the largest river basins in the world.
Reason: It enters Pakistan near Chillar in the Dardistan region.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q4: Assertion: The Ganga is the most important river of India.
Reason: It flows through the Western Ghats.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q5: Assertion: The Peninsular rivers have a matured drainage system.
Reason: They flow from east to west.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Very Short Answer Type Questions

Q1: What is the other name for the Bay of Bengal drainage?

Q2: Name the river that originates from the Chemayungdung glacier.

Q3: Which river is known as the Dakshin Ganga?

Q4: In which state does the Ganga rise?

Q5: Where does the Ganga enter the plains?

Q6: Name the important tributary of the Brahmaputra in Tibet.

Q7: What is the catchment area of the Mahanadi?

Q8: Which river has a delta near Rajamundri?

Q9: What is the name of the westernmost Himalayan river in India?

Q10: What is the term for the pattern of flow of water in a river over a year?

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Short Answer Type Questions

Q1: Explain the concept of a watershed and how it is related to a river's catchment area.

Q2: Describe the characteristics of the dendritic drainage pattern and provide an example.

Q3: Discuss the factors that influence the formation of different drainage patterns.

Q4: Explain the evolution of the Himalayan drainage system.

Q5: Describe the major rivers and their characteristics in the Peninsular Drainage System.

Q6: Why do Peninsular rivers flow from west to east, except for Narmada and Tapi?

Q7: Discuss the geological events that have shaped the Peninsular Drainage System.

Q8: Explain the regime of rivers and provide examples of Indian rivers with different regimes.

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Long Answer Type Questions

Q1: Differentiate between the Himalayan drainage system and the Peninsular drainage system in terms of their characteristics, rivers, and significance.

Q2: Discuss the challenges faced by the Indian drainage systems, both Himalayan and Peninsular, and their impact on the region.

Q3: Explain the historical evolution of the Indian drainage systems and how geological events have played a role in shaping them.

Q4: Describe the characteristics of the Peninsular rivers and their importance for the region's agriculture, transportation, and ecology.