Beas
Ravi
Indus
Sutlej
Unicorn
Rhinoceros
Bull
Elephant
Agricultural
Urban
Rural
None of these
Bhader
Chinab
Hindon
Maskra
Dholavira
Chanhudaro
Harappa
Mohenjodaro
Post-historical
Proto-historical
Historical period
Pre-historical
Haryana
Rajasthan
Gujarat
Punjab
1901
1911
1921
1931
Ecological change
Earthquakes
Aryan attack
All of these
Iron
Silver
Gold
Copper