MICROBES IN HUMAN WELFARE biology MCQ’s questions answers

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MICROBES IN HUMAN WELFARE

Question 121 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which bacterium is used extensively as biopesticide? [W.B. 2008]
A
Bacillus subtilis
B
Streptococcus lactis
C
Bacillus thuringiensis
D
Lactobacillus acidophilus
Question 122 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A common biocontrol agent for plant diseases is .....[CBSE 2010]
A
Bacillus thuringiensis
B
Glomus
C
Trichoderma
D
Baculovirus
Question 123 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Biofertilizers include .....[AMU 2010]
A
Nitrogen fixing cyanobacteria
B
Nitrogen fixing bacteria
C
Mycorrhiza
D
All the above
Question 124 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is not benefit of vermicompost .....[MHTCET 2008]
A
Protection of water bodies from pollution
B
Reduction in microbial activity
C
Increased availability of minerals
D
Increased hydration and aeration
Question 125 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fermentation of sugar to yield alcohol is carried out by .....[MPPMT 1994]
A
Microorganisms
B
Zymase
C
Raised temperature
D
Decomposition of sugar
There are 125 questions to complete.

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