EASY
12th West Bengal Board
IMPORTANT
Earn 100

What do you mean by baker's yeast and brewer's yeast?

Important Questions on Microbes in Human Welfare

MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 7
Mention any two antibiotics stating their sources.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 8
Name the bacteria where from bacitracin and brevin antibiotics are produced.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 9
Mention the role of Acetobacter and Gluconobacter in vinegar production.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 10
State the functions of the enzyme Pectinases and Lipases.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 11
What do you mean by sewage?
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 12
What do you mean by biological oxygen demand?
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 13
What are effluents?
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 11 - Microbes in Human Welfare>EXERCISE>Q 14
What is eutrophication?