Question

Match the causes of decline propounded by various Archaeologists about the Indus Valley Civilisation.

List I	List II
A. Aryan attack	1. Sir Mortimer Wheeler
B. Tectonic disturbances	2. Lambwek
C. Ecological change	3. Raikes

• A. A-1, B-2, C-3
• B. A-3, B-2, C-1
• C. A-2, B-1, C-3
• D. A-1, B-3, C-2

Answer 1

Answer: (D)

A-1, B-3, C-2

• Sir Mortimer Wheeler - Aryan attack - According to his theory Indo-Aryans destroyed the Indus civilization. But it was later proved wrong by the excavations form the Harappan site.
• Robert L. Raikes - Tectonic disturbance - According to him floods destroyed the civilization. River Indus was flooded suddenly because of tectonic disturbance. At some places, silt deposits up to 30 ft were found by Raikes.
• Lambwek - Ecological change - He suggested that because of the change of course of Indus river & ecological instability of the river near the Indus areas caused the decline of the civilization.