03: Drainage : Cbse-ix-social-science

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CBSE-IX-Social-Science

03: Drainage

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Qstn #2-vi
Which two Peninsular rivers flow through trough?
Ans : Narmada and Tapi are the two peninsular rivers flowing through trough.

Qstn #2-vii
State some economic benefits of rivers and lakes.
Ans : Some of the economic benefits of rivers and lakes:

(a) Source of fresh water

(b) Irrigation

(c) Navigation

(d) Hydro-power generation

(e) Development of tourism

Qstn #3
Below are given names of a few lakes of India. Group them under two categories - natural and created by human beings.

Ans : Natural lakes

Artificial or man-made lakes

Wular

Gobind Sagar

Dal

Rana Pratap Sagar

Nainital

Nizam Sagar

Bhimtal

Nagarjuna Sagar

Loktak

Hirakud

Barapani

-

Chilika

-

Sambhar

-

Pulicat

-

#3-a
Wular

#3-b
Dal

#3-c
Nainital

#3-d
Bhimtal

#3-e
Gobind Sagar

#3-f
Loktak

#3-g
Barapani

#3-h
Chilika

#3-i
Sambhar

#3-j
Rana Pratap Sagar

#3-k
Nizam Sagar

#3-l
Pulicat