Microbes in Human Welfare questions
610 published questions with worked solutions.
- Integrated Pest Management (IPM) primarily aims to
- Which of the following is NOT an advantage of biological control over chemical pesticides?
- Use of chemical insecticides in agriculture has been minimised by the use of
- Which of the following organisms is used as a biocontrol agent against nematodes that attack plant roots?
- The group of fungi predominantly used to control several plant pathogens is
- The term "biopesticide" best describes
- The mass multiplication and field release of organisms that help control plant pests and diseases is called
- Which of the following statements about biological control is INCORRECT?
- Match Column I (biocontrol agent) with Column II (target pest/pathogen). | Column I (biocontrol agent) | Column II (target...
- Assertion (A): Baculoviruses are preferred biocontrol agents in Integrated Pest Management. Reason (R): Baculoviruses are...
- Which family of insects is most commonly targeted by baculovirus-based biopesticides?
- The use of living organisms to control weeds is referred to as
- Assertion (A): Chemical pesticides and herbicides are now being gradually replaced by biological methods. Reason (R): Chemical...
- Mycorrhiza-forming fungi, apart from aiding mineral nutrition, also provide the host plant resistance against
- Match Column I with Column II. | Column I | Column II | |---|---| | (A) Ladybird | (1) Soil-borne plant pathogens | | (B)...
- Which of the following is an example of a biopesticide derived from a bacterium?
- Biological control methods are preferred in modern agriculture mainly because they
- Match Column I with Column II. | Column I | Column II | |---|---| | (A) Symbiotic nitrogen-fixing bacteria | (1) Mosquitoes | |...
- Consider the following statements about baculoviruses and select the correct combination. I. They are harmless to plants. II....
- In the biological control of mosquitoes, which organism acts as a natural predator?
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