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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Microbes and Human Welfare Set 2
Q1 | Which is correct sequence for purification process of STPs ?
- Primary Sludge ?Effluent?Flocks ?Active Sludge ?Biogas
- Flocks ?Primary Sludge ?Effluent ?Active Sludge ?Biogas
- Primary Sludge ?Effluent ?Active Sludge ?Flocks ?Biogas
- Effluent?Flocks ?Primary Sludge ?Active Sludge ?Biogas
Q2 | Which product is synthesized by micro organism at commerical level for mankind ?
- Vaccine
- Biofuel
- Alcohol
- All the given
Q3 | Effluent means....
- Water remaining under the primary sludge.
- Solid compunds of the sedimentation
- Water remaining over the primary sludge
- Flocks forms from the primary sludge.
Q4 | Which group of micro organism is useful as a bio control agent ?
- Cynobacteria, Bacula virus, Trichoderma
- Trichoderma, Psuedomonas, Bacillus Thuringiensis
- Rhizhobiam, Cynobacteria, Psuedomonas
- All the given
Q5 | Which bacteria are useful in anaerobic sludge digestures tank ?
- Hypo geal
- Aerobic
- Free living
- Aneorobic
Q6 | Which one correct for the free living and symbiotic funges ?
- Glomus and Rhyzopu
- Glomus and Azospirillum
- Trichoderma and Rhizopus
- Trichoderma and Azospirillum
Q7 | Formation of flocks means....
- Assoicated of virus with the bacteria remains in water
- Bactaria which associated with the mychoriza of the fungus of water
- Bactaria which associated with the mychorriza of the fungus of soil
- Bactaria which associated with the solid waste of the water
Q8 | In which tank flocks is sedimenated and forms respectively ?
- Settling tank, Aeration tank
- Aeration tank, Effluent tank
- Aeration tank, Settling tank
- Effluent tank, Anearoble tank
Q9 | Who has established Ganga nad Yamuna action plan ?
- IARI
- KVIC
- Ministry of forest and Environment
- Integrated pest control management
Q10 | What is sedimantated flocks ?
- Passive sludge
- Primary sludge
- Active sludge
- None of them
Q11 | Which statement is correct for STPs ?
- Value of BOD is decrease in effluent.
- Flocks is sedimanted in settling tank.
- At end of process biogas is form
- (d) All the given
Q12 | Which odd for mixed gases which produces in anerobic sludge diagesters ?
- CO2
- CH4
- H2S
- CH3
Q13 | Which bacteria is remain in alimentary canal of herbivorus ?
- Azetobactor
- Methenogens
- Azospirillium
- Bacillus
Q14 | Which biological process will take place in STPs ?
- Flock
- Filteration
- Sedimentation
- (b) & (c) both
Q15 | What is indirectly called the measurment of organic matter of water ?
- BOD
- DOB
- COD
- DOC
Q16 | From which compound methane gas is produced by bacteria ?
- lipase
- Amylase
- Cellulase
- Protease
Q17 | Which gas will produced in anearobic sludge digesteres ?
- CO2
- H2S
- CH4
- All the given
Q18 | Which micro organism is irrelevent as a biocontrol agent ?
- Viru
- Bectaria
- Algae
- Fungus
Q19 | Which scientist has invented Antibodies ? (KCET 2004)
- Ernest chain
- Howard Florey
- Alexander Fleming
- W.Fleming
Q20 | Which bacterial group is useful in biogas production ? (JIPMER 2000)
- Rhizobium
- Methanogens
- Argonotrocs
- Eubectaria
Q21 | Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ? (AFMC 1998)
- Azospyrillium
- Clostridium
- Azotobactor
- Rhizobium
Q22 | Which living organism works as bio-fertiliser ? (PMT 1998)
- Azzola
- Clostridium
- Azotobactor
- Rhizobium
Q23 | Which micro organism is useful in production of citric acid ? (CBSEPMT 1995)
- Azotobactor
- Penicillium
- Asperzilus niger
- Clostridium
Q24 | By which process cheese and toddy is obtained ? (PMT 1998)
- Fermantation
- Distillation
- Pasuirisation
- Hydrolisis
Q25 | To which BOD is related ? (MP MPT 2002)
- Microbes and organic matter
- Organic compound
- Microbes
- None of them