Question

Identify the microorganism(s) (Genus and/or species when applicable) associated with each of the items described below.

1. Fungus that produces bacillary hyphal elements and is a source of several antibiotics as well as Vitamin B-12.  

2. Fungal agent which causes mildew, is also a contaminant of peanut and grain crops producing a powerful carcinogen known as alpha toxin and has also been isolated as an opportunistic pathogen in humans.   

3. Treponema pertenue and treponema palladium both cause the production of reagan antibodies that will give a positive result in this test.   

4. Salt herring and boiled peanuts may harbor this group of bacteria.

5. Baker Yeast is classified as a(n) ______ in the class _____: and is used in bread making and in alcoholic beverage industry   

6. Primary source of Vitamin K in the human diet; exists in a mutualistic relationship with man under most normal condition.  

7. These microorganisms play an important role in nutrient absorption with plant roots which are not legumes.

8. Algae which is often associated with treatment and degradation of waste in a water treatment plants.

9. Identify one algae, one protozoan and one bacteria and their respective role in the recycling of nutrients   

10. Most pathogenic fungi belong to this group/class.  

11. Parastitic microoganism which may be transmitted by ingestion of steak tar tar

12. Parasitic infection which can be prevented by wearing shoes.  

Answer 1

1. Streptomyces griseus

2. Aspergillus flavus

4. staphylococcus aureus

5. saccharomyces cerevisiae, Saccharomycetes