Microbes in Human Welfare questions
610 published questions with worked solutions.
- Microorganism used for the commercial production of acetic acid is
- Which one of the following is a wrong matching of a microbe and its industrial product?
- The chemical substances produced by some microbes, which can kill or retard the growth of other microbes are called
- The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the ones categorized...
- Monascus purpureus is a yeast used commercially in the production of
- Which of the following enzymes are used for leather tanning?
- Which microorganism is used to make butter?
- In preliminary treatment of sewage, the floating debris is removed by sequential ____ by passing through wire mesh screens.
- Physical removal of large and small stable solid particles from the sewage through filtration and sedimentation is called
- In the biological treatment of sewage, the masses of bacteria held together by fungal filament to form mesh-like structures...
- What would happen if oxygen availability to activated sludge flocs is reduced?
- What gases are produced in anaerobic sludge digesters?
- The purpose of biological treatment of waste water is to
- During anaerobic digestion of organic waste such as in producing biogas, which one of the following is left undegraded?
- Biogas produced by fermentation of manure, sewage, cattle dung, etc predominantly comprises
- The technology of biogas production from cow-dung was developed in India largely by the efforts of
- Which of the following bacteria is present in the rumen of cattle?
- The residue left after methane production from cattle-dung is
- The percentage of methane in biogas is
- Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration