Q. With reference to sources of various metals for Harappans, which of the following is / are correct matches?

1. Copper - Iraq and Iran
2. Tin: Oman
3. Gold: Karnataka

Choose the correct option from the codes given below:
Answer: Only 3
Notes: The Harappans probably got copper from present-day Rajasthan, and even from Oman in West Asia. Tin, which was mixed with copper to produce bronze, may have been brought from present day Afghanistan and Iran. Gold could have come all the way from present-day Karnataka, and precious stones from present day Gujarat, Iran and Afghanistan.