Question : Fill in the blanks-
Large deposits of iron ore, coal and natural gas are found in the country. India alone accounts for nearly ___% of the total iron ore reserves of the world.
 

Option 1: 10%
 

Option 2: 15%
 

Option 3: 20%
 

Option 4: 25%
 

Question : In West Bengal, Raniganj is associated with

Option 1: Coalfields

Option 2: Iron ore

Option 3: Manganese ore

Option 4: Copper

Question : What is the significance of the iron and steel industry?

Option 1: It is used in the production of textiles

Option 2: It is a major component in construction and manufacturing

Option 3: It is primarily used in agriculture

Option 4: It has no significant industrial use

Question : Directions: In a certain code language, 752 means copper is strong, 276 means iron is strong and 365 means iron and copper. Find the code for and.

Option 1: 6

Option 2: 3

Option 3: 2

Option 4: 5

Question : Which of the following statements regarding coal is not correct?

Option 1: Anthracite is the highest quality hard coal.

Option 2: Coal that has been buried deep and subjected to increased temperatures is bituminous.

Option 3: Lignite is a low-grade brown coal, which is soft with high moisture content.

Option 4: Metallurgical coal is high-grade lignite coal which has a special value for smelting iron in blast furnaces.