Microbes in Human Welfare questions
610 published questions with worked solutions.
- Baculoviruses are considered particularly suitable as biocontrol agents in Integrated Pest Management programmes mainly because...
- Which group of organisms do baculoviruses, used as biocontrol agents, belong to?
- Ladybird (ladybird beetle), a well-known biological control agent in agriculture, is primarily used against
- Dragonflies serve as an effective biological control agent against which of the following pests?
- Which of the following is NOT one of the organisms specifically cited in NCERT as a biocontrol agent used to replace harmful...
- Rhizobium forms a symbiotic, nitrogen-fixing association specifically with the root nodules of
- Which of the following bacteria are free-living, non-symbiotic nitrogen fixers commonly used as biofertilisers?
- Which of the following cyanobacteria are used as biofertilisers, especially enriching nitrogen content in paddy fields?
- Besides fixing atmospheric nitrogen, cyanobacterial biofertilisers such as Nostoc and Anabaena also contribute to soil fertility...
- The fungal association formed with the roots of most vascular plants that specifically improves phosphorus absorption from the...
- Statement 1 (Assertion): Azolla is used as a biofertiliser in waterlogged paddy fields. Statement 2 (Reason): Azolla itself...
- Apart from improving phosphorus uptake, plants in mycorrhizal association also gain resistance against
- In the Azolla-Anabaena biofertiliser system used in paddy cultivation, the water fern Azolla specifically provides Anabaena with
- Consider the following statements about biofertilisers: I. They include bacterial, fungal and cyanobacterial organisms. II. Their...
- Which of the following correctly groups the major categories of organisms used as biofertilisers?
- Consider the following statements about microbes in household food products: I. Lactic acid bacteria convert milk into curd. II....
- Consider the following statements about industrially important microbial products: I. Citric acid is produced by Aspergillus...
- Consider the following statements regarding antibiotics: I. Antibiotics are chemical substances produced by some microbes that...
- Consider the following statements about sewage treatment: I. Primary treatment is purely a physical process. II. Secondary...
- Consider the following statements about biogas production: I. Methanogens grow anaerobically on cellulosic material. II. Biogas...
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