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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