Regarding Linnaeus' time : 1. a Two Kingdom system of classification with Plantae and Animalia kingdoms was developed. 2. This system is still used till 3. This system did not distinguish between the eukaryotes and prokaryotes, & photosynthetic (green algae) and non-photosynthetic (fungi) organisms; yet this system distinguishes unicellular and multicellular organisms

Question

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