Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — 4, 3, 2, 1
Concept & Option Breakdown
Standard Reference VerifiedThe chronological sequence of these developments in India is:
- Urban Culture (4): Emerged during the Bronze Age Harappan/Indus Valley Civilization (c. 2600–1900 BCE).
- Iron Plough (3): Came into widespread use in the Gangetic plains during the Later Vedic and early Mahajanapada era (c. 1000–600 BCE).
- Punch-marked Silver Coins (2): First metallic currency in India, introduced during the Mahajanapada/Nanda/Mauryan period (c. 6th–5th century BCE).
- Gold Coins (1): Regular gold coinage was first issued on a large scale in India by the Indo-Greeks and Kushans (1st century CE onwards).
Thus, the sequence is 4, 3, 2, 1.
Indus Valley (Urban Culture) is Bronze Age (~2500 BCE) -> Iron tools (~1000 BCE) -> Silver punch-marked coins (Mahajanapadas, ~6th c. BCE) -> Kushan gold coins (~1st c. CE).
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