46. What was the probable cause of the decline of the Indus Valley Civilization?
A) Invasion by foreign tribes
B) Environmental factors such as drought and floods
C) Epidemics
D) All of the above
Answer: D) All of the above
47. Which of the following was not a major city of the Indus Valley Civilization?
A) Harappa
B) Mohenjo-Daro
C) Lothal
D) Taxila
Answer: D) Taxila
48. What was the most common material used in the construction of buildings in the Indus Valley Civilization?
A) Stone
B) Wood
C) Brick
D) Mud
Answer: C) Brick
49. The Indus Valley Civilization was contemporaneous with which of the following civilizations?
A) Mesopotamian
B) Egyptian
C) Chinese
D) All of the above
Answer: D) All of the above
50. The Harappan civilization was discovered in which year?
A) 1921
B) 1930
C) 1947
D) 1956
Answer: A) 1921
