Question.
Below are given names of a few lakes in India. Group them under two categories – natural and created by human beings.
(a) Wular (b) Dal
(c) Nainital (d) Bhimtal
(e) Gobind Sagar (f) Loktak
(g) Barapani (h) Chilika
(i) Sambhar (j) Rana Pratap Sagar
(k) Nizam Sagar (l) Pulicat
(m) Nagarjuna Sagar (n) Hirakund
( Chapter - 3 Drainage, Cass 9 NCERT Contemporary India -I )
Answer.
Natural lakes are those lakes that are formed by natural processes without the help of humans whereas Artificial lakes are formed with the help of Humans.
Among the above, the following are natural lakes:
(a) Wular lake
(b) Dal lake
(c) Nainital lake
(f) Loktak Lake
( h) Chilika Lake
( i) Sambhar Lake
(l) Pulicat Lake
Among the above group, the following are artificial lakes:
(d) Bhimtal Lake
(e) Gobind Sagar
(g) Barapani
( j) Rana Pratap Sagar
( k) Nizam Sagar
( m) Nagarjuna Sagar
(n) Hirakund
Wular lake is the largest freshwater lake in India. It was formed by tectonic action and it is in Jammu and Kashmir.
Dal lake is a freshwater lake located in Srinagar.
Nainital lake is a natural freshwater lake located in Nainital, Uttarakhand.
Loktak is a natural lake located in Manipur. It is the largest freshwater lake in Manipur.
Chilika lake is the largest brackish lake in India and it is a natural lake located on the Odisha coast near the Mahanadi delta.
Sambhar lake is the largest salt lake in India, it is a natural lake located in Rajasthan, Jaipur district.
Pulicat lake is the second largest brackish lake in India after Chilika lake. It is located on the boundary of the Andhra and Tamil Nadu coasts.
Bhimtal lake is an artificial lake built in 1883, it is in Nainital city.
Gobind Sagar is the artificial dam that is in the Satluj river and the water of the lake is diverted to the Indira Gandhi canal.
Barapani is also known as Umiam, it is an artificial lake which is located near Shillong.
Rana Pratap Sagar lake is on the Chambal river, it is an artificial lake. It is located in Rajasthan.
Nizam Sagar is an artificial lake built on the Manjira river( a tributary of the Godavari river). It is located in Telangana.
Nagarjuna Sagar is an artificial lake that is built on the Krishna river and it is located in Andhra Pradesh and Telangana.
Hirakund reservoir is an artificial lake that is built on Mahanadi and it is located in Odisha.
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