Q1. The first metal used by the man was
(a) Iron
(b) Copper
(c) Aluminium
(d) Gold
(UPSC Prelims 1979)
Answer: (b) Copper
Explanation:
Copper was one of the earliest metals discovered and used by humans, primarily because it occurs in native form and can be easily extracted and shaped. Its low melting point and availability in nature made it ideal for early tools and ornaments, marking the beginning of the Chalcolithic Age.
Q2. Which of the following throws light on Harappan Culture ?
(a) Archaeological excavations
(b) The script on copper sheets
(c) Rock edicts
(d) All of the above
Answer: (a) Archaeological excavations
Explanation: Our understanding of Harappan Civilization comes primarily from archaeological digs at sites like Harappa and Mohenjo-daro, revealing urban planning, drainage systems, and artifacts. The script remains undeciphered, and rock edicts are from a later period.