Find Out the Name of the Microbes from Which Cyclosporin a (An Immunosuppressive Drug) and Statins (Blood Cholesterol Lowering Agents) Are Obtained - Biology


Find out the name of the microbes from which Cyclosporin A (an immunosuppressive drug) and Statins (blood cholesterol lowering agents) are obtained



Drug Function Microbe
Cyclosporine −A Immuno suppressive drug Trichoderma polysporum
Statin Blood cholesterol lowering agent Monascus purpureus
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Chapter 10: Microbes in Human Welfare - Exercises [Page 190]


NCERT Biology Class 12
Chapter 10 Microbes in Human Welfare
Exercises | Q 12 | Page 190

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

Name the organism and enzyme which brings about the alcoholic fermentation of sucrose.

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

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From which microbial sources can pectinase be obtained?

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:

Most commonly used substrate for industrial production of beer is ___________.

Ethanol is commercially produced through a particular species of ______.

Match the column A with B and rewrite correct pairs.

  A   B
1. citric acid a) in medicine for solubility of Ca++
2. fumaric acid b) confectionary
3. gluconic acid c) in resins as wetting agents

The most common substrate used in distilleries for the production of ethanol is _______.

Cyclosporin - A is an immunosuppressive drug produced from ____________.

CO2 is not released during ________.

The gases produced in anaerobic sludge digesters are _______.

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

Define the following term


Define the following term


Define the following terms


When does antibiotic resistance develop?

What is referred to as industrial alcohol? Briefly describe its preparation.

Write short notes on the following:

Microbial fuel cells

Which of the following microbe is used for the production of citric acid?

What is the role of acidogenic bacteria in biogas plant?

Which of the following is/are the microbial source(s) for the enzyme pectinase?

Identify the organism used in production of alcohol.

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.

Study the following statements and select the correct option.

i. Pseudomonas denitrificans can synthesize Vitamin B12.

ii. The microbes Neurospora gossypii and Eremothecium ashbyi produce Vitamin B2.

iii. Vitamin C can be synthesized by the microbe Rhizopus arrhizus.

Identify the diagram given below.

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 ______

In alcoholic fermentation:

Anaerobic respiration of yeast produces:

Which raw material is used in the fermentation processes of making beer?

Brandy is generally a product of:

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

Which of the following is used in detergents?  

Antibiotics are -

Match List - I with List - II.

List I List II
(a) Aspergillus niger (i) Acetic Acid
(b) Acetobacter aceti (ii) Lactic Acid
(c) Clostridium butylicum (iii) Citric Acid
(d) Lactobacillus (iv) Butyric Acid

Choose the correct answer from the options given below.

What are fermentors?

Name a microbe used for statin production. How do statins lower blood cholesterol level?

Why is distillation required for producing certain alcoholic drinks?

Give any two microbes that are useful in biotechnology.

Name any two industrially important enzymes.

Which bacterium has been used as a clot buster? What is its mode of action?

State the most important contribution of the following microbes for human welfare:

Monascus purpureus

State the most important contribution of the following microbes for human welfare:

Trichoderma Polysporum

Match the following pairs:

Column A Column B
Antibiotic produced Microbial source
(i)  Penicillin (a)  Streptomyces venezuelae
(ii)  Chloromycetin (b) Bacillus licheniformis
(iii) Bacitracin (c) Streptomyces aurifaciens
(iv) Erythromycin (d)  Streptomyces griseus
(v) Streptomycin (e) Penicillium chrysogenum
(vi)  Terramycin (f) Streptomyces erythreus

Which one of the following is not true about antibiotics?

Write the microbial source of following organic acid.

Citric acid

Write the microbial source of following organic acid:

Acetic acid

Name the microbial sources of any two enzymes.

What are A, B and C in the table given below?

Sr. No. Microbes type Name Commercial product
1. Fungus A Penicillin
2. B Aspergillus niger Citric acid
3. Bacterium Bacterium licheniformis C


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