56th to 59th B.P.S.C. (Pre) 2014
Pennines (Europe), Appalachians (America) and Aravalli (India) are examples of-
aYoung mountain ranges
bOld mountain ranges✓ Correct
cBlock mountain ranges
dFold mountain ranges
Explanation
Pennine (Europe), Appalachian (America) and Aravalli (India) are examples of old mountain ranges. (263)
general-geography