In Phycomycetes: 1. Asexual reproduction takes place by zoospores (non-motile) or by aplanospores (motile). 2. These spores are exogenously produced in sporangium. 3. A zygospore is formed by fusion of two gametes; if these gametes are similar in morphology (isogamous or oogamous) or dissimilar (anisogamous)

Question

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