Online Study Materials - B.A/B.Sc/B.Com, M.A/M.Sc/M.Com Programmes of Universities in Kerala Online Study Materials for B.Sc. Microbiology -Calicut universityBack Paper: Soil and Agriculture Microbiology Topic: Azolla Anabaena system Dr.S.Dhiva Assistant Professor of Microbiology, Sree Narayana College, Alathur, Palakkad