Question (3/279)
Assertion (A) : Chile continues to be an important producer of copper in the world.
Reason (R) : Chile is endowed with the world's largest deposit of porphyry copper.
(A) Both A and R are true and R is the correct explanation of A
(B) Both A and R are true and R is not a correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
Question (4/279)
Coffee cultivation in Sri Lanka was abandoned because of the disease:
(A) leaf blight
(B) leaf spot
(C) leaf rust
(D) rut