(b) Uttar Pradesh
(d) Jammu and Kashmir
(d) Slopes of the Western Ghats
(d) Gobind Sagar
(d) TapiAnswers :
(i) (d) Jammu and Kashmir
(ii) (c) Amarkantak
(iii) (a) Sambhar
(iv) (c) Godavari
(v) (d) Tapi
Answer :Any elevated area such as a mountain or an upland separates two drainage basins. Such an upland is known as a water divide.
Answer :Largest River basin in India is the Ganga River basin.
Indus River: it originates in Tibet near Lake Manasarovar.
Ganga River: it originates from the Gangotri glacier.
Answer :The two headstreams of the Ganga are Bhagirathi and Alaknanda.
The Bhagirathi originate from Gangotri glacier and joined by the Alaknanda at Devprayag in Uttarakhand.
Answer :The Brahmaputra have less silt in its Tibetan part because it is a cold and a dry area.
Answer :Narmada and Tapi are the two Peninsular rivers that flows through trough.
Answer :Some economic benefits of rivers and lakes are:
|(a) Wular||(b) Dal|
|(c) Nainital||(d) Bhimtal|
|(e) Gobind Sagar||(d) Loktak|
|(g) Barapani||(h) Chilika|
|(i) Sambhar||(j) Rana Pratap Sagar|
|(k) Nizam Sagar||(l) Pulicat|
|(m) Nagarjuna Sagar||(n) Hirakund|
Natural lakes :
Man-Made lakes :
|East Flowing Rivers||West flowing rivers|
|They flow into the Bay of Bengal||They flow into the Arabian Sea|
|They form Deltas||They form Estuaries|
|Major rivers are Mahanadi, Godavari, Krishna.||Major rivers are Narmada and Tapi|
|They have many tributaries||They have less tributaries|
Answer :Rivers are important for the country's economy because :
(i) Rivers are highlighted by black boxes.
(ii) Lakes are highlighted by Orange boxes.
1. Nagarjuna Sagar is a river valley project. Name the river?
2. The longest river of India.
3. The river which originates from a place known as Beas Kund.
4. The river which rises in the Betul district of MP and flows westwards.
5. The river which was known as the “Sorrow” of West Bengal.
6. The river on which the reservoir for Indira Gandhi Canal has been built.
7. The river whose source lies near Rohtang Pass.
8. The longest river of Peninsular India?
9. A tributary of Indus originating from Himachal Pradesh.
10. The river flowing through fault, drains into the Arabian Sea.
11. A river of south India, which receives rainwater both in summer and winter
12. A river which flows through Ladakh, Gilgit and Pakistan.
13. An important river of the Indian desert.
14. The river which joins Chenab in Pakistan.
15. A river which rises at Yamunotri glacier
Answer :Ganga River.
Answer :Kunchikal falls in Karnataka.
Answer :Because when they were not landlocked, they were seas.
Answer :Namami Gange Programme the Government launched an integrated Ganga conservation mission called ‘Namami Gange’ to arrest the pollution of Ganga River and revive the river.
Health risk associated with polluted water includes different diseases such as respiratory disease, cancer, diarrheal disease, neurological disorder and cardiovascular disease. Poor quality water destroys the crop production and infects our food which is hazardous for aquatic life and human life. Pollutants disturb the food chain and heavy metals, especially iron affects the respiratory system of fishes. An iron clog in to fish gills and it is lethal to fishes, when these fishes are eaten by human leads to the major health issue. Metal contaminated water leads to hair loss, liver cirrhosis, renal failure and neural disorder.
“Life of human beings without fresh water”:
Our existence will be in danger without fresh water. we will not get water for irrigation for our fields and as a result there could be lot of scarcity of food. So, we will face a situation of food crisis. Water running in rivers is tapped and big dams are constructed and hydropower is produced. Moreover, river transport system is not possible in case water stop flowing in rivers.
(a) Wular lake
(b) Dal lake
(d) Bhimtal lake
(e) Loktok lake
(f) Barapani lake
(g) Chilka lake
(h) Sambhar lake
(j) Kolleru lake
(k) Vembanad lake
(a) Gobind sagar
(b) Rana Pratap
(c) Rana Pratap sagar
(d) Nagarjuna sagar