Microbes in Human Welfare questions
610 published questions with worked solutions.
- Which of the following industrially important microbial enzymes is specifically used to clarify fruit juices by breaking down...
- Which of the following correctly states the role of Lactobacillus in curd formation with respect to pH?
- Which of the following correctly identifies an example of a non-microbial biological control agent discussed alongside microbial...
- Which of the following is the correct reason why biogas is also commonly called 'gobar gas' in India?
- Which of the following correctly explains why a floating gas-holder dome is used in the design of many Indian biogas plants?
- Which of the following statements correctly contrasts primary and secondary sewage treatment?
- Which of the following correctly completes the statement: 'In secondary sewage treatment, once BOD has been significantly...
- Which of the following microbial groups is predominantly exploited as biocontrol agents against plant-pathogenic fungi...
- Which of the following correctly identifies the role of Rhizobium as discussed in NCERT's 'Microbes in Human Welfare' chapter?
- Which of the following correctly identifies the role of cyanobacteria such as Nostoc in agriculture?
- Statement 1 (Assertion): Microbial proteases and lipases are added to detergent formulations. Statement 2 (Reason): These enzymes...
- Which of the following correctly completes the statement: 'Mycorrhizal association between a fungus and plant roots improves...
- Which of the following correctly identifies the key difference between biofertilisers and chemical (synthetic) fertilisers in...
- Which of the following correctly identifies an example of a biocontrol agent that acts specifically against caterpillar-stage...
- Which of the following correctly identifies why a small part of activated sludge, rather than all of it, is recycled back to the...
- Which of the following correctly identifies an example of a microbe exploited in BOTH an industrial fermentation role (ethanol)...
- Statement 1 (Assertion): Citric acid is produced industrially using the fungus Aspergillus niger. Statement 2 (Reason):...
- Match Column I (category of microbial product) with Column II (an example). | Column I | Column II | |---|---| | (A) Organic acid...
- Match Column I (stage of sewage treatment) with Column II (what occurs at that stage). | Column I | Column II | |---|---| | (A)...
- Match Column I (biofertiliser organism) with Column II (its specific role). | Column I | Column II | |---|---| | (A) Rhizobium |...
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