In flower (of angiosperm) : 1. The anthers, following meiosis, produce pollen grains. 2. The embryo-sac formation preceeds meiosis. 3. Each of the cells of an embryo-sac is haploid. Regarding 1,2 and 3:

Question

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