Consider the following pairs : &n

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Consider the following pairs :

Which of the pairs given above is/are correctly matched?

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[UPSC IAS Prelims 2014]

A 1 and 2 only

केवल 1 और 2

B 3 only

केवल 3

C 1, 2 and 3 only

केवल 1, 2 और 3

D None

कोई नहीं

Vitamin A causes Night Blindness...

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