HARD
12th CBSE
IMPORTANT
Earn 100

Explain the significant role of genus Nucleopolyhedrovirus in an ecologically sensitive area.

Important Questions on Microbes in Human Welfare

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 15
Explain the different steps involved during primary treatment of sewage.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 16
Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand BOD in it.
EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 17
Mention a product of human welfare obtained with the help of LAB.
EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 17

Mention a product of human welfare obtained with the help of Saccharomyces cerevisiae.

EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 17

Mention a product of human welfare obtained with the help of Propionibacterium shermanii.

EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 17

Mention a product of human welfare obtained with the help of Aspergillus niger.

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 18
Bottled fruit juice is cleaner as compared to those made at home. Explain.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 10 - Microbes in Human Welfare>TEST QUESTIONS>Q 19
List the events that lead to biogas production from wastewater whose BOD has been reduced significantly.