HARD
12th CBSE
IMPORTANT
Earn 100

Organic farmers prefer biological control of disease and pests to the use of chemicals for the same purpose. Justify.

Important Questions on Microbes in Human Welfare

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 18
Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents.
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 1
Name the major enzyme used in industry and explain their importance.
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 2
Briefly describe the household products produced through the agency of microbes.
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 3
Discuss the mechanism of alcoholic fermentation for producing beverages.
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 4
What are antibiotics? Describe the production of methodology (manufacture) of antibiotics from microbes.
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 5
Discuss the role of microbes as biofertilizers.
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 6
Explain the process of sewage water treatment before it can be discharged into natural water bodies. Why is this treatment essential?
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 7
What are biofertilizers? Describe their role in agriculture. Why are they preferred to chemical fertilizers?