61. Consider the following statements (1-4) about organic farming:
(1) Utilizes genetically modified crops like Bt cotton
(2) Uses only naturally produced inputs like compost
(3) Does not use pesticides and urea
(4) Produces vegetables rich in vitamins and minerals
Which of the above statements are correct?

A (2), (3) and (4)
B (3) and (4) only
C (2) and (3) only
D (1) and (2) only
Answer :   (2) and (3) only
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62. Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)

A both sense and anti-sense RNA
B a particular hormone
C an antifeedant
D a toxic protein
Answer :   both sense and anti-sense RNA
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63. Which one of the following is used in the manufacture of alcohol

A Bacteria
B Water molds
C Yeasts
D Slime molds
Answer :   Yeasts
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64. Biogas produced by anaerobic fermentation of waste biomass consists of

A Methane
B Tracces of H2, H2S and N2
C CO2
D All of the above
Answer :   All of the above
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65. Humulin is

A Antibiotic
B Insulin
C Hemoglobin
D Pepsin
Answer :   Insulin
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66. After Viral infection some substances are released by injected cells, these substances called as

A Antigen
B Antibody
C Interferon
D Two aortae
Answer :   Interferon
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67. In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

A Indian Council of Medical Research (ICMR)
B Council for Scientific and Industrial Research (CSIR)
C Genetic Engineering Appraisal Committee (GEAC)
D Research Committee on Genetic Manipulation (RCGM)
Answer :   Genetic Engineering Appraisal Committee (GEAC)
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68. Dextrin is

A Polymer of glucose
B Plasa expander
C Use in dehydration condition
D All of the above
Answer :   All of the above
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69. Conversion of sugar into alcohol during fermentation is due to the direst action of

A Temperature
B Microorganisms
C Zymase
D Concentration of sugar solution
Answer :   Zymase
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70. Citric acid is produced by

A Asper gillus higher
B Streptococcus lactis
C Aceto bacter syboxidans
D Candida utilis
Answer :   Asper gillus higher
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Practice More MCQ Question on Biology Section

BotanyThe Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisonTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and DevelopmentReproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental IssuesBotany Miscellaneous
ZoologyAnimal KingdomStructural Organisation in AnimalsBiomoleculesDigestion and AbsorptionBreathing and Exchange of GasesBody Fluids and CirculationExcretory Products and Their EliminationLocomotion and MovementNeural Control and CoordinationChemical Coordination and IntegrationHuman ReproductionReproductive HealthEvolutionHuman Health and DiseasesBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsZoology Miscellaneous