Question : Which of the following is not an example of "agro-based industries"?

Option 1: Iron and steel industry

Option 2: Leather industry

Option 3: Vegetable oil industry

Option 4: Cotton textile industry

Question : Which of the following is arranged in order of decreasing conductivity?

Option 1: Copper, aluminium, steel, silver

Option 2: Aluminium, silver, copper, steel

Option 3: Copper, silver, aluminium, steel

Option 4: Silver, copper, aluminium, steel

Question : Radioactive materials should be kept in a container made of:

Option 1: Iron

Option 2: Aluminium

Option 3: Lead

Option 4: Steel

Question : Galvanisation is the 

Option 1: deposition of zinc on iron

Option 2: deposition of tin on iron

Option 3: deposition of copper on iron

Option 4: deposition of aluminium on iron

Question : Which one of the following is not correctly matched?

Option 1: Iron ore- Kudremukha

Option 2: Coal- Singareni

Option 3: Manganese- Koraput

Option 4: Copper- Khetri