Minor occurrences of which minerals have been reported in Mizoram?

Copper and Lead
Silver and Platinum
Uranium and Thorium
Diamonds and Rubies

The correct answer is: a) Copper and Lead.

Minor occurrences of copper and lead have been reported in Mizoram. Copper is a reddish-brown metal that is used in a variety of products, including electrical wiring, plumbing, and roofing. Lead is a soft, silvery-white metal that is used in batteries, ammunition, and solder.

The other options are incorrect. Silver and platinum are precious metals that are not found in significant quantities in Mizoram. Uranium and thorium are radioactive metals that are used in nuclear power plants. Diamonds and rubies are gemstones that are not found in Mizoram.