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6. Thermostable DNA polymerase of WHAT known as Taq polymerase, enabled more effective PCR
- Fungus Rhizopus nigricans
- Thermus aquaticus
- Gluconobacter
7. Acetobacter oxidising sorbitol produces WHAT used in the manufacture of ascorbic acid
- sorbose
- Gluconobacter
- Thermus aquaticus
8. what bacteria Take part in the carbon, nitrogen and sulphur cycles
- Mutualistic
- Saprophytic
- Parasitic
9. Biological washing powders contain enzymes called subtilisins produced by: WHAT
- Gluconobacter
- Bacillus licheniformis, Subtilisin carlsberg
- Thermus aquaticus
10. Acetone and butanol can be produced in fermentation processes:
With WHAT
- Fungus Rhizopus nigricans
- Thermus aquaticus
- Clostridium acetobutylicum
- Gluconobacter
11. Vitamins and amino acids have High yields of vitamin B12
e.g. WHAT
- Gluconobacter
- Fungus Rhizopus nigricans
- Propiobacterium
- Thermus aquaticus
12. ENVIRONMENTAL FACT0RS: Positive use in WHAT of oil spillages
- bioremediation
- Thermus aquaticus
- Gluconobacter
- Fungus Rhizopus nigricans
13. silage making metabolises what?
- plant sugars
- plant proteins
- plant cell walls
14. select incorrect answer for cheese bacteria
- Lactococcus cremoris
- Propionibacteria
- Penicillium sp.
15. Beneficial Uses of Microorganisms in agriculture. SELECT WRONG ANSWER
- Bacteria living in the nodules fix nitrogen, forming part of the nitrogen cycle
- Symbiotic relationship
- Probiotic relationship
- Reduces the need for fertilisers
- Legumes and nodules on roots
16. dairy products are metabolised by bacteria to what
- lactic acid
- Lactobacillus bulgaricus
17. lactic acid starter culture added to cream. select CORRECT answer
- Lactococcus cremoris or L. lactis
- Propionibacteria
- Penicillium sp.
- Lactobacillus bulgaricus
18. Antibiotics are produced by large scale fermentation processes:
From filamentous fungi and bacteria of the WHAT group
- Actinomycete
- Thermus aquaticus
- Gluconobacter
19. Vinegar: ethyl alcohol to acetic acid by WHAT. select WRONG answer
- Gluconobacter
- sorbose
- genera Acetobacter
20. Yoghurt is Low fat milk, pasteurised & inoculated with
- Lactobacillus bulgaricus, Streptococcus bulgaricus
- genera Acetobacter
- Gluconobacter