Synopsis The book includes 20 research and review articles on various aspects of Biological Sciences written by leading experts. The first article is on M6P / IGF-IIR protein. It is followed by two articles on VAM Fungi. The following two articles are on antimicrobial activity of medicinal plants. Chapters 6 and 7 deal with the toxicity of fungal infections. Airborne bacteria is given in the following chapter. Cyanobacterial diversity is described by Gupta in the next chapter. Adoptional behaviour of Sericulturists is discussed in chapter 10. Spermoderm paterns have been described in the next followed by a review article on Phyto-pharmacology of Plumbago zeylanica. Subsequent article is on Biosystematic studies of Chloris. Karuppasamy et al. give the details of Plant diversity in Sirumalai hills in Chapter 14. Prof. P.N. Rao discusses Taxonomy in the service of man in the following. This is followed by a paper on Freerea indica, an endangered taxon. Conservation of Mangrove forests in Bhitarkanika is given Chapter 17. Last three articles are on tissue culture studies of Acacia concinna and Bixa orellana.