NCERT Solutions for Class 12 Biology Chapter 10 - Microbes in Human Welfare

 

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NCERT Solutions for Class 12 Biology Chapter 10 - Microbes in Human Welfare: Microbes are a very important component of life on earth. Not all microbes are pathogenic. Many microbes are very useful to human beings. We use microbes and microbially derived products almost every day. Bacteria called lactic acid bacteria (LAB) grow in milk to convert it into curd. The dough, which is used to make bread, is fermented by a yeast called Saccharomyces cerevisiae. Certain dishes such as idli and dosa, are made from dough fermented by microbes. Bacteria and fungi are used to impart particular texture, taste, and flavor to the cheese. In NCERT Chapter 10 - Microbes in Human Welfare, you will study that microbes are used to produce industrial products like lactic acid, acetic acid, and alcohol, which are used in a variety of processes in the industry.

Here are the important topics of Class 12 Biology Chapter 10 - Microbes in Human Welfare:

10.1 Microbes in Household Products

10.2 Microbes in Industrial Products

    10.2.1 Fermented Beverages

    10.2.2 Antibiotics

    10.2.3 Chemicals, Enzymes, and other Bioactive Molecules

10.3 Microbes in Sewage Treatment

10.4 Microbes in Production of Biogas

10.5 Microbes as Biocontrol Agents

10.6 Microbes as Biofertilisers

Antibiotics like penicillins produced by useful microbes are used to kill disease-causing harmful microbes. Antibiotics have played a major role in controlling infectious diseases like:

  1. Diphtheria
  2. Whooping cough and
  3. Pneumonia

Chapter 10 - Microbes in Human Welfare of NCERT you will also study different uses of microbes. For more than a hundred years, microbes are being used to treat sewage (wastewater) by the process of activated sludge formation and this helps in recycling of water in nature. Methanogens produce methane (biogas) while degrading plant waste. Biogas produced by microbes is used as a source of energy in rural areas. Microbes can also be used to kill harmful pests, a process called as biocontrol. The biocontrol measures help us to avoid the heavy use of toxic pesticides for controlling pests.

After going through Class 12th Biology Chapter 10 - Microbes in Human Welfare line by line, you will be able to answer the following questions:

  • Q1. In which food would you find lactic acid bacteria? Mention some of their useful applications.
  • Q2. Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve the use of microbes.
  • Q3. In which way have microbes played a major role in controlling diseases caused by harmful bacteria?

If you have any confusion or unable to answer them by yourself, then NCERT Solutions for Class 12 Biology Chapter 10 - Microbes in Human Welfare will help you to answer.

So, try to attempt all the question mentioned in Chapter 10 - Microbes in Human Welfare of NCERT, to clear your base. If you need help then, 'Solutions for NCERT Class 12 Biology Chapter 10 - Microbes in Human Welfare' is there, in NCERT Solutions you will get all the answers to the questions mentioned in the NCERT book. It will also help you to prepare for other competitive exams like NEET.

NCERT Solutions for Class 12 Biology Chapter 10 - Microbes in Human Welfare: Solved Exercise Questions

NCERT Solutions class 12 – Biology

Chapter 1

Reproduction in organisms

Chapter 2

Sexual Reproduction in Flowering Plants

Chapter 3

Human Reproduction

Chapter 4

Reproductive Health

Chapter 5

Principles of Inheritance and Variation

Chapter 6

Molecular basis of inheritance

Chapter 7

Evolution

Chapter 8

Human health and disease

Chapter 9

Strategies for enhancement in food production

Chapter 11

Biotechnology: Principles and Processes

Chapter 12

Biotechnology and its applications

Chapter 13

Organisms and Populations

Chapter 14

Ecosystem

Chapter 15

Biodiversity and Conservation

Chapter 16

Environmental Issues

NCERT Solutions for Class 12- Subject wise

NCERT Solutions for Class 12 Biology

NCERT solutions for Class 12 Maths

NCERT solutions for Class 12 Chemistry

NCERT solutions for Class 12 Physics

 

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