Microbes in Human Welfare questions
610 published questions with worked solutions.
- Which of the following is a symbiotic nitrogen fixer ?
- When domestic sewage mixes with river water
- An example of endomycorrhiza is
- A common biocontrol agent for the control of plant diseases is
- One of the free-living anaerobic nitrogen-fixer is
- The common nitrogen-fixer in paddy fields is
- Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?
- A prokaryotic autotrophic nitrogen fixing symbiont is found in :
- Which one of the following is not a biofertilizer ?
- Secondary sewage treatment is mainly a
- Which of the following is mainly produced by the activity of anaerobic bacteria on sewage ?
- An organism used as a biofertilizer for raising soyabean crops is :
- Ethanol is commercially produced through a particular species of :
- Which one of the following helps in absorption of phosphorus from soil by plants ?
- Continuous addition of sugars in 'fed batch' fermentation is done to :
- Organisms called methanogens are most abundant in a :
- The domestic sewage in large cities
- Yeast is used in the production of
- Which one of the following is an example of carrying out biological control of pests/diseases using microbes ?
- The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones...
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