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Drainage Class 9 Worksheet Geography Chapter 1

Multiple Choice Questions

Q1: In which of the following states is the Wular lake located?
(a) 
Rajasthan
(b)
Uttar Pradesh
(c) 
Punjab
(d) 
Jammu and Kashmir
Ans:  (d)

Q2: Which one of the following lakes is a salt water lake?
(a) 
Sambhar
(b) 
Dal
(c) 
Wular
(d) 
Gobind Sagar
Ans:  (a)

Q3: Which one amongst the following rivers flows through a rift valley?
 (a) 
Mahanadi
(b) 
Tungabhadra
(c) 
Krishna
(d) 
Tapi
Ans:  (d)

Q4: What is the meaning of drainage?
(a) The river system of a particular area
(b) The topography of a particular area
(c) Both A and B
(d) None of these
Ans: (a)

Q5: Which river has the world’s largest drainage basin?
(a) Ganga
(b) Indus
(c) Thomas
(d) Amazon
Ans: (d) 

Q6: How many Peninsular rivers are there?
(a) 4
(b) 5
(c) 6
(d) 3
Ans: (c) 

Q7: What is the world’s largest and fastest growing delta called?
(a) Sunderban River Delta
(b) Kaveri River Delta
(c) Godavari River Delta
(d) Krishna River Delta
Ans: (a) 

Q8: What is the area drained by a single river system called?
(a) Drainage
(b) Drainage basin
(c) Water divide
(d) None of these
Ans: (b) 

Q9: Which of the following is not a group of Indian rivers?
(a) Himalayan rivers
(b) Peninsular rivers
(c) Both A and B
(d) None of these
Ans: (d) 

Q10: Which river system is known as Dakshin Ganga?
(a) The Narmada Basin
(b) The Mahanadi Basin
(c) The Godavari Basin
(d) The Kaveri Basin
Ans: (c) 

Fill in the Blanks

(i) The area drained by a single river system is called a ___________.
Ans: The area drained by a single river system is called a drainage basin.

(ii) The world’s largest drainage basin is of the ___________________.
Ans: The world’s largest drainage basin is of the Amazon river.

(iii) Most of the Himalayan rivers are ____________________.
Ans: Most of the Himalayan rivers are perennial.

(iv) A river alongwith its tributaries may be called a ________________.
Ans: A river alongwith its tributaries may be called a river system.

(v) The Brahmaputra rises in _________ east of Mansarowar lake very close to the sources of the Indus and the Satluj.
Ans: The Brahmaputra rises in Tibet east of Mansarowar lake very close to the sources of the Indus and the Satluj.

(vi) The ________ pattern develops when streams flow in different directions from a central peak or dome like structure.
Ans: The radial pattern develops when streams flow in different directions from a central peak or dome like structure.

(vii) The activities of Ganga Action Plan (GAP) phase-I, initiated in ______, were declared closed on 31st March _________.
Ans: The activities of Ganga Action Plan (GAP) phase-I, initiated in 1985, were declared closed on 31st March 2000.

(viii) Brahmaputra is known as ________________ in Tibet and _____________ in Bangladesh.
Ans: Brahmaputra is known as the Tsang Po in Tibet and Jamuna in Bangladesh.

Very Short Answer Questions

Q1: Name the biggest waterfall in India.
Ans: Kunchikal waterfall

Q2: Which river of India is known as Meghna?
Ans: Ganga River

Q3: Zaskar and Nubra are important tributaries of which river?
Ans: River Indus

Q4: Where did Ganga river named as ‘Meghna’?
Ans: Bangladesh

Q5: Which is the largest peninsular river in India?
Ans: The Godavari is the largest Peninsular river.

Q6: What does NRCP stand for?
Ans: NRCP stands for National River Conservation Plan.

Q7: Which is the world’s largest and fastest growing delta?
Ans: The Sundarban Delta is the world’s largest and fastest growing delta.

Q8: What is the total length of Indus river?
Ans: The total length of Indus river is 2900km.

Q9: Which is the largest tributary of river Ganga?
Ans: The Ghaghara river is the largest tributary of river Ganga.

Q10: What is called river system?
Ans: A river along with its tributaries is called a river system.

The document Drainage Class 9 Worksheet Geography Chapter 1 is a part of the Class 9 Course Social Studies (SST) Class 9.
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FAQs on Drainage Class 9 Worksheet Geography Chapter 1

1. What is drainage and why is it important?
Ans. Drainage refers to the process of removing excess water from an area, typically through a system of pipes or channels. It is important because it helps prevent water accumulation, which can lead to flooding, soil erosion, and damage to infrastructure and crops.
2. How does a drainage system work?
Ans. A drainage system works by collecting and channeling excess water away from an area. It typically consists of a network of pipes, drains, and channels that are designed to capture and carry water to designated outlets such as rivers or reservoirs. Gravity and slope play a crucial role in allowing water to flow through the system.
3. What are the different types of drainage systems?
Ans. There are several types of drainage systems, including surface drainage, subsurface drainage, and combined drainage. Surface drainage involves the removal of water from the surface of the ground through channels, ditches, or gutters. Subsurface drainage involves the use of pipes or drains buried beneath the ground to remove excess water. Combined drainage combines both surface and subsurface techniques.
4. How can poor drainage affect a property?
Ans. Poor drainage can have several negative effects on a property. It can lead to water accumulation, which can cause flooding and damage to buildings and infrastructure. It can also result in soil erosion, which can destabilize the foundation of structures and harm plant growth. Additionally, poor drainage can create stagnant water areas that become breeding grounds for mosquitoes and other pests.
5. What are some common signs of drainage problems?
Ans. Some common signs of drainage problems include standing water or puddles in the yard, water seeping into basements or crawl spaces, erosion or sinkholes in the yard, and water stains on walls or ceilings. Other signs may include foul odors, mold or mildew growth, and a sudden increase in mosquito activity.
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