Regarding 1,2 and 3: 1. Life cycle of plants has two distinct phases 2. Haploid phase gametophytic and diploid phase sporophytic. 3. This phenomenon is called alternation of generation.

Question

( a ) 3 is incorrect but 1 and 2 are correct
( b ) 1 is incorrect but 2 and 3 are correct
( c ) 2 is incorrect but 1 and 3 are correct
( d ) All are correct