Identity, for what percentage of the world's total Iron-ore reserves, India alone accounts for ?

20%

The correct answer is option (2) : 20%

India accounts for nearly 20 per cent of the world’s total iron-ore reserves.

Note: This question is framed by NTA from 2018-19 edition of NCERT wherein it was mentioned that " India alone accounts for nearly 20 per cent of the world’s total iron-ore reserves. ". However, in the subsequent editions including the latest editions, it has been mentioned that " India accounts for nearly 8 per cent of the world’s total iron-ore reserves. '.