MICROBES IN HUMAN WELFARE biology MCQ’s questions answers

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MICROBES IN HUMAN WELFARE

Question 11 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
During lactic acid fermentation .....[KCET 2010]
A
O2 is used, CO2 is liberated
B
Neither O2 is used nor CO2 liberated
C
O2 is not used, CO2 is liberated
D
O2 is used, CO2 is not liberated
Question 12 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one is a symbiotic nitrogen fixing plant .....[DPMT 2008]
A
Azolla
B
Marchantia
C
Moss
D
Pinus
Question 13 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Distribution of clean and quality milk through the world has been made possible through work of .....[AIIMS 1990]
A
Leeuwenhoek
B
Koch
C
Pasteur
D
Blackman
Question 14 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Latest trend in plant disease control is .....[Pb. PMT 1999]
A
Chemical control
B
Breeding for disease resistance
C
Biological control
D
Good manure and fertilizer
Question 15 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Penicillin is got from .....[MPPMT 1997]
A
Streptomyces griseus
B
Penicillium chrysogenum
C
Penicillium griseofulvum
D
Aspergillus fumigatus
There are 15 questions to complete.

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