Eduqo
Indian Geography›Ch 5: Human Geography & World›Geography Revision and Traps
Master most-asked facts and avoid common exam confusions
Exams frequently test the difference between largest versus longest and first versus biggest. Always read the exact wording of the question carefully before marking the correct geographical fact.
Quick Memory Hooks
| Category | Longest / Highest | Biggest / Largest |
|---|---|---|
| River | Ganga | Brahmaputra |
| Dam | Tehri (Highest) | Hirakud (Longest) |
| State | Rajasthan (Area) | UP (Population) |
Tehri Dam
(Highest Dam in India)
Highest Dam in India
Built across Bhagirathi river in Uttarakhand.
Hirakud
(Longest Dam in India)
Longest Dam in India
Built across Mahanadi river in Odisha.
Majuli
(Largest River Island)
Largest River Island
Located in the Brahmaputra river, Assam.
Wular Lake
(Largest Freshwater Lake)
Largest Freshwater Lake
Tectonic freshwater lake situated in Jammu & Kashmir.
Longest river is BrahmaputraLongest river is Ganga
Brahmaputra is largest by volume, Ganga is longest by distance.
Dakshin Ganga is KaveriDakshin Ganga is Godavari
Godavari is called Dakshin Ganga due to size; Kaveri is Ganga of South.
Highest dam is HirakudHighest dam is Tehri
Hirakud is the longest earthen dam, while Tehri is the highest dam.
Q1.Which is the longest river entirely within India?
Q2.What is the highest dam in India?