MEDIUM
12th Tamil Nadu Board
IMPORTANT
Earn 100

How is milk converted into curd? Explain the process of curd formation.

Important Questions on Microbes in Human Welfare

HARD
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 12
Justify the role of microbes as a biofertilizer.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 13

State the use of the following acid produced by the microbes:

Lactic acid

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 14
Give reason:
Bottled fruit juices bought from the market are clearer as compared to those made at home.
 
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 15

Identify a, b, c, d, e and/in the following table:

Name of Enzyme/Bioactive
Molecule		 Source Functions
(i) a Streptococcus b
(ii) c d immuno-suppressive agent in organ
transplant patients
(iii) Statins e f

 

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 16
Bottled fruit juices are clearer as compared to those made at home. Explain.
EASY
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 20
Name any two industrially important enzymes.
 
HARD
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 24
Give any two bioactive molecules produced by microbes and state their uses.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Zoology Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Microbes in Human Welfare>Exercise>Q 25
Write a short note on Brewer's yeast.