UPSC Prelims GS - 2019

Question 61
MEDIUMCorrect: +2Incorrect: -2

Which one of the following groups of plants was domesticated in the ‘New World’ and introduced into the ‘Old World’?

    a
    Tobacco, cocoa and rubber
    b
    Tobacco, cotton and rubber
    c
    Cotton, coffee and sugarcane
    d
    Rubber, coffee and wheat