MICROBES IN HUMAN WELFARE biology MCQ’s questions answers

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MICROBES IN HUMAN WELFARE

Question 21 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacillus thuringiensis is used to control .....[DPMT 2010]
A
Insect pests
B
Nematodes
C
Bacterial pathogens
D
Fungal pathogens
Question 22 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Supply of oxygen to the biogas plant will have .....[Wardha 2005]
A
Positive effect
B
Negative effect
C
No effect
D
None of these
Question 23 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Green manure plants belong to .....[CET Chd1997]
A
Compositae
B
Solanaceae
C
Poaceae
D
Leguminosae
Question 24 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Thurioside is proteinaceous toxin obtained from .....[AFMC 1999]
A
Bacterial origin
B
Biofertilizers
C
Green manure
D
Farmyard manure
Question 25 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
During its formation, bread becomes porous due to CO2 released by .....[CBSE 2002]
A
Protozoans
B
Bacteria
C
Yeast
D
Viruses
There are 25 questions to complete.

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