Besides paddy fields, cyanobacteria are also found inside vegetative part of : </h2></div>

Milk is a better product than curd.

______ is a non-symbiotic aerobic nitrogen fixer.</h2></div>

First antibiotic discovered was ____________.</h2></div>

Product of which of the following organisms has been commercialized as blood cholesterol lowering agent?<br&…

Streptomycin is produced by</h2></div>

Secondary sewage treatment is mainly </h2></div>

In treatment of waste, biological treatment is</h2></div>