The correct option is
C Seeded plant
- Well known bacterial sources of antibiotics include Actinomycetes, predominantly from the genus Streptomyces (Watve et al., 2001), myxobacteria (Wenzel and Muller, 2009), cyanobacteria (Welker et al., 2012), Bacillus (Fickers, 2012, Hamdache et al., 2011) and Pseudomonas species (Gross and Loper, 2009).
- Lichens as a source of antibiotics. The antibiotic properties of lichen metabolites represent one of the better studied biological roles for lichens. ... They tested aqueous extracts of 42 lichen species against Staphylococcus aureus, Bacillus subtilis and Escherichia coli.
- Fungi is a potential goldmine for the production of pharmaceuticals. The first antibiotic being mass-produced was penicillin, derived from the Penicillium fungi. Looking for new antibiotics, Chalmers researchers sequenced the genomes of nine different types of Penicillium species.
- Seed plants are a group of plants. Gymnosperms and angiosperms form the group. Their seeds have three parts: (1) an embryo, (2) a supply of nutrients for the embryo, and (3) a seed coat. They are also called spermatophytes or phanerogams. The seed plants dominate almost all the environments on land. These are not used as a source of antibiotics. 7 best natural antibiotics are- garlic, honey, ginger, Echinacea, Goldenseal, clove, Oregano.
So, the correct option is option D.