MEDIUM
12th CBSE
IMPORTANT
Earn 100

Why are some molecules called bioactive molecules? Give two examples of such molecules.

Important Questions on Microbes in Human Welfare

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 11
Name the source of cyclosporin-A. How does this bioactive molecule function in our body?
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 12
Name the bacterium responsible for the large holes seen in "Swiss cheese". What's are these due to.
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 13
Why does the Bt toxin not kill the bacterium that produces it but kills the insect that ingests it?
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 14
Explain the significant role of genus Nucleopolyhedrovirus in an ecologically sensitive area.
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.