You had gone to visit your aunt at Visakhapatnam where you saw large containers being shipped. On enquiring you are told it is an ore of a metal. Which ore is it?

1. Iron
2. Manganese
3. Copper
4. Bauxite

Name the mineral needed to regulate blood sugar levels and to support the immune system.

1. Manganese
2. Iron
3. Mica
4. Copper

…………… is essential for plant growth and reduction of nitrates in green plants.

1. Mica
2. Iron
3. Manganese
4. Copper

……………. is the earliest metal used by man.

1. Iron
2. Manganese
3. Bauxite
4. Copper