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)

Wular Lake, one of the largest freshwater lakes in India, is situated in the Kashmir Valley.

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

Sambhar Lake in Rajasthan is India’s largest inland saltwater lake, used for salt production.

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

The Tapi River flows in a rift valley between the Satpura and Vindhya ranges.

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)

“Drainage” refers to the pattern formed by rivers and their tributaries in an area.

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

The Amazon River in South America has the world’s largest drainage basin.

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

Most of the major rivers of the Peninsula, such as the Mahanadi, the Godavari, the Krishna and the Kaveri flow eastwards and drain into the Bay of Bengal.

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) 

Formed by the Ganga-Brahmaputra system, the Sunderban Delta is the world’s largest and most fertile delta.

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) 

A drainage basin is the land area from which a river and its tributaries collect water.

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) 

Indian rivers are grouped into two main categories: Himalayan and Peninsular. So none of the given options is “not a group.”

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) 

The Godavari River, the largest river of the Peninsular plateau, is often called the “Dakshin Ganga” (Ganga of the South) because of its size, length, and the extensive area it drains, similar to the Ganga in northern India.

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 along with its tributaries may be called a ________________.
Ans: A river along with 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 Yamuna 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.