मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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

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प्रश्न

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

कारण सांगा
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उत्तर

The correct order, in terms of human welfare, should be as follows:

Penicillin > biogas > citric acid > curd

  1. Penicillin: Penicillin is an antibiotic used to treat pathogenic bacteria. Today, we are unable to imagine a world without antibiotics because they have greatly enhanced our ability to cure deadly diseases like plague, whooping cough (kali khansi), diphtheria (gal ghotu), and leprosy (kusht rog), which used to kill millions of people worldwide. It should be given the greatest priority.
  2. Biogas: As we face a major fossil fuel crisis in the near future, biogas has the potential to be a viable and excellent alternative to fossil fuels. It can be used as fuel for heating, cooking, lighting, irrigation, and other applications. It is considered an environmentally friendly and pollution-free energy source.
  3. Citric acid: Aspergillus niger ferments numerous carbohydrates to create citric acid. Citric acid is utilised in a variety of applications, including medication, dyeing, mirror silvering, ink production, and food and candy preservation.
  4. Curd: Curd is made by fermentation of milk. Lactic acid bacteria serve as fermentation agents. Curd is more healthy than milk since it contains a variety of vitamins and organic acids.
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पाठ 8: Microbes in Human Welfare - EXERCISES [पृष्ठ १६०]

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एनसीईआरटी Biology [English] Class 12
पाठ 8 Microbes in Human Welfare
EXERCISES | Q 14. | पृष्ठ १६०
नूतन Biology [English] Class 12 ISC
पाठ 10 Microbes in Human Welfare
NCERT EXERCISES WITH ANSWERS | Q 14. | पृष्ठ ५०६

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Name any two species of fungus, which are used in the production of the antibiotics.


The antibiotic chloromycetin is obtained from ______.


Name the secondary metabolites in Catharanthus roseus.


The micro-organism used in the production of acetic acid is ______.


Erythromycin is obtained from ______.


Give the biological name of the following:

The mould from which penicillin is obtained.


Name the microbes that help the production of the following product commercially:
Statin


Name any two enzymes and antibiotics with their microbial source.


Aspergillus niger is used to prepare vit ______.


Give any two bioactive molecules produced by microbes and state their uses.


Define the following term

Antibiotics


When does antibiotic resistance develop?


Which of the following is known as brewer's yeast?


From the following identify the WRONG statements.

i. All enzymes are composed of proteins.

ii. All proteins are enzymes.

iii. Some hormones are proteins.

iv. Some nucleic acid also acts as enzymes.

v. All enzymes are inorganic in nature.

vi. Enzymes are biocatalysts.


Which of the following statement is INCORRECT?


Identify the equipment which is essentially required for growing microbes on a large scale, for industrial production of enzymes.


Which one of the following processes involved in alcohol production is NOT involved in wine production?


Dr. Alexander Fleming discovered antibiotics when he was working with the bacterium ______


Antibiotics are -


Match the following list of bacteria and their commercially important products:

Bacterium Product
A. Aspergillus niger i. Lactic acid
B. Acetobacter aceti ii. Butyric acid
C. Clostridium butylicum iii. Acetic acid
D. Lactobacillus iv. Citric acid

Choose the correct match:


Which among the three is produced by the distillation of a fermented broth?

  1. Whisky
  2. Wines
  3. Beer
  4. Rum
  5. Brandy

Write the microbial source of following organic acid.

Citric acid


Why are some molecules called bioactive molecules?


Match the following organic acid from column - I with their use in column - II.

Column - I Column - II
i. Acetic acid a. Confectionary
ii. Citric acid b. As a wetting agent
iii. Fumaric acid c. Medicine
iv. Gluconic acid d. Vinegar

What is the scientific name of Brewer's yeast used to ferment malted cereals and fruit juices into ethanol?


Which microbial source produces lipases used in detergent formulations to remove oily stains from laundry?


Who discovered penicillin, and whose work established its potential?


What is the microbial source of bacitracin?


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