Top 80+ Solved Microbes and Human Welfare MCQ Questions Answer
Q. Who has established Ganga nad Yamuna action plan ?
a. IARI
b. KVIC
c. Ministry of forest and Environment
d. Integrated pest control management
Q. What is sedimantated flocks ?
a. Passive sludge
b. Primary sludge
c. Active sludge
d. None of them
Q. Which statement is correct for STPs ?
a. Value of BOD is decrease in effluent.
b. Flocks is sedimanted in settling tank.
c. At end of process biogas is form
d. (d) All the given
Q. Which odd for mixed gases which produces in anerobic sludge diagesters ?
a. CO2
b. CH4
c. H2S
d. CH3
Q. Which bacteria is remain in alimentary canal of herbivorus ?
a. Azetobactor
b. Methenogens
c. Azospirillium
d. Bacillus
Q. Which biological process will take place in STPs ?
a. Flock
b. Filteration
c. Sedimentation
d. (b) & (c) both
Q. What is indirectly called the measurment of organic matter of water ?
a. BOD
b. DOB
c. COD
d. DOC
Q. From which compound methane gas is produced by bacteria ?
a. lipase
b. Amylase
c. Cellulase
d. Protease
Q. Which micro organism is irrelevent as a biocontrol agent ?
a. Viru
b. Bectaria
c. Algae
d. Fungus
Q. Which scientist has invented Antibodies ? (KCET 2004)
a. Ernest chain
b. Howard Florey
c. Alexander Fleming
d. W.Fleming
Q. Which bacterial group is useful in biogas production ? (JIPMER 2000)
a. Rhizobium
b. Methanogens
c. Argonotrocs
d. Eubectaria
Q. Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ? (AFMC 1998)
a. Azospyrillium
b. Clostridium
c. Azotobactor
d. Rhizobium
Q. Which living organism works as bio-fertiliser ? (PMT 1998)
a. Azzola
b. Clostridium
c. Azotobactor
d. Rhizobium
Q. Which micro organism is useful in production of citric acid ? (CBSEPMT 1995)
a. Azotobactor
b. Penicillium
c. Asperzilus niger
d. Clostridium