microbes in human welfare
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49 questions
| 🇬🇧 | 🇬🇧 |
| Modern farmer has been able to increase the yield of paddy by fifty percent with the help f which bacteria | Cyanobacteria |
| What are azola and BGA use for | Biofertilizers |
| The government has recently allowed alcohol to be mixed with petrol, what is the permitted percentage | Five percent |
| What is the natural insectiside pyrethrum obtained from | Chrysenthemum cinerifolium |
| What is streptococcus lactis used for | Adding flavour to the milk product |
| Rennet is used in | Cheese making |
| The procaryotes that help humans in making curd from milk and in production of antibiotics are ones categorized as | Heterotropic bacteria |
| Monascus purpureus is a yeast used commercialy in the production of | Blood chlolesterol lowering statins |
| Tobacco plant resistant to a nematode have been developed by the introduction of DNA that produced | Both sense and antisense RNA |
| What are glomus ? | It is a mycorrhizal component |
| A good producer of citric acid is | Aspergillus |
| Biofertilizers include | BGA, rizobium,other nitrogen fixing bacteria and mycorriza |
| Biopesticides include | Virus, bacteria, protozoans, fungi and mites |
| Presence of E.coli in water indicate | Fecal pollution |
| The fermented food of soya bean is | Tempeh, tofu, sufu |
| Antibiotic obtained from lichens is | Usnic acid |
| Which bacterium is super bug | Pseudomonas putita |
| Which bacterium is used in bioremediation process | Pseudomaonas putita |
| Secondary treatment is also known as | Biological treatment |
| The term antibiotic means | Against life |
| Some biocontrol agents are | Trichoderma,baculovirus, baccilus thuringiensis. |
| How does micorrhizae help the plant ? | Mineral uptake from soil |
| Why is the bacteria pseudomonas useful | Decomposes a variety of organic compounds |
| Where are microbes used in the technological aid | Secondary treatment if sewage, anaerobic sludge digester, production of bioactive molecules |
| What is used in the production of human insulin | Escherichia coli |
| Examples of nif gene | Klebsiella pneumoniae, rhodospirillum rubum and phodobacter capsulatus |
| Biodecomposed insecticide | Bacillus thuringiensis |
| Digestive hydrocarbon of crude oil | Pseudomonas putita |
| What will happen if oxygen availability to activated sludge flocs is reduced | Centre of flocs becomes anoxic death of bacteria and eventually breakage of flocs |
| The free living fungus trichoderma can be used for | Biological control of plant diseases |
| What are leghaemoglobin | These are oxygen scavengers and it protects nitrogen fixing enzyme nitrogenase from oxygen |
| Litmus and orcein are made from which type of lichens | Rocella montaignei and rocella tinctoria |