Question: Why do stars twinkle?

• Answer: Because of the phenomenon of refraction of light, stars twinkle

Question: Name the parliament of Russia.

• Answer: Federal Assembly

Question: Which state is the oldest producer of oil?

• Answer: Assam

Question: Metallurgical coal used in the smelting of iron ore is

• Answer: Bituminous

Question: Which state is the leading producer of Iron ore?

• Answer: Karnataka

Question: Name one non-metallic mineral

• Answer: Limestone