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Chapters
2: Sexual Reproduction in Flowering Plants
3: Human Reproduction
4: Reproductive Health
5: Principles of Inheritance and Variation
6: Molecular Basis of Inheritance
7: Evolution
8: Human Health and Disease
9: Strategies for Enhancement in Food Production
▶ 10: Microbes in Human Welfare
11: Biotechnology : Principles and Processes
12: Biotechnology and its Applications
13: Organisms and Populations
14: Ecosystem
15: Biodiversity and Conservation
16: Environmental Issues
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Solutions for Chapter 10: Microbes in Human Welfare
Below listed, you can find solutions for Chapter 10 of CBSE, Karnataka Board PUC NCERT for बायोलॉजी [अंग्रेजी] कक्षा १२.
NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ 10 Microbes in Human Welfare Exercises [Pages 189 - 190]
Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes with the help of a microscope, which sample would you carry and why?
Give examples to prove that microbes release gases during metabolism.
In which food would you find lactic acid bacteria? Mention some of their useful applications.
Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
In which way have microbes played a major role in controlling diseases caused by harmful bacteria?
Name any two species of fungus, which are used in the production of the antibiotics.
What is sewage?
In which way can sewage be harmful to us?
What is the key difference between primary and secondary sewage treatment?
Do you think microbes can also be used as a source of energy? If yes, how?
Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.
Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20 mg/L, 8 mg/L and 400 mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each, assuming the river water is relatively clean?
Find out the name of the microbes from which cyclosporin A (an immunosuppressive drug) and statins (blood cholesterol lowering agents) are obtained.
Find out the role of microbes in the following:
Single cell protein (SCP)
Find out the role of microbes in the following:
Soil
Arrange the following in the decreasing order (most important first) of their importance for the welfare of human society. Give reasons for your answer.
Biogas, Citric acid, Penicillin and Curd
How do biofertilisers enrich the fertility of the soil?
Solutions for 10: Microbes in Human Welfare
NCERT solutions for बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 10 - Microbes in Human Welfare
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics बायोलॉजी [अंग्रेजी] कक्षा १२ CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics बायोलॉजी [अंग्रेजी] कक्षा १२ CBSE, Karnataka Board PUC 10 (Microbes in Human Welfare) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in बायोलॉजी [अंग्रेजी] कक्षा १२ chapter 10 Microbes in Human Welfare are Microbes in Household Products, Microbes in Industrial Products, Microbes in Sewage Treatment, Microbes as Biocontrol Agents, Microbes in Production of Biogas, Microbes as Biofertilizers, Overview of Microbes in Human Welfare, Microorganisms (Microbes) and Microbiology, Applications of Biotechnology in Health and Medicine, Bioethics, Transgenic Animals, Concept of Biotechnology, Overview of Biotechnology and Its Application, Biotechnological Application in Agriculture, Biotechnological Application in Medicine.
Using NCERT बायोलॉजी [अंग्रेजी] कक्षा १२ solutions Microbes in Human Welfare exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC बायोलॉजी [अंग्रेजी] कक्षा १२ students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 10, Microbes in Human Welfare बायोलॉजी [अंग्रेजी] कक्षा १२ additional questions for Mathematics बायोलॉजी [अंग्रेजी] कक्षा १२ CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.
