Concept of Antibiotics Production from Microbes

Q.

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

Q. is produced by the fungus Trichoderma polysporum.

1. Cyclosporin A
2. Cyclosporin B
3. Cylocohexan A
4. Cyclohexan B

Q. Select the microbe which is the source of enzyme used as ‘clot buster’ for the patients undergoing myocardial infraction.

1. Bacterium; Lactobacillus
2. Fungi; Aspergillus niger
3. Fungi; Penicillium notatum
4. Bacterium; Streptococcus

Q.

In which way have microbes played a major role in controlling diseases caused by harmful bacteria?

Q.

How are prokaryotes helpful to humans?

Q. Terramycin is got from

1. S. Aureofaciens
2. S. Venezulae
3. Streptomyces griseus
4. S. Rimosus

Q. Ergot is a drug derived from fungus

1. Aspergillus
2. Phytophthora
3. Claviceps
4. Peronospora

Q.

Consider the given assertion and reason, choose the right option.

Assertion [A] : Antibiotics are produced by bacteria and fungi.

Reason [R] : Antibiotics are not effective against viruses.

1. Both statements 1 and 2 are incorrect.

2. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

3. Statement 1 is correct and statement 2 is incorrect.

4. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

Q. Penicillin inhibits bacterial multiplication because it

1. Checks RNA synthesis
2. Checks DNA synthesis
3. Destroys chromatin
4. Inhibits cell wall formation

Q. Antibiotic pencillin is made from_______.

Q. Why are antibiotics not effective against 'common cold' and 'flu’?

Q.

____ accidently discovered penicillin.

Q.

Which of the following is a commercial product formed by the fungus Trichoderma?

1. Lactic acid

2. Cyclosporin A

3. Penicillin

4. Statins

Q.

Is brevetoxin a neurotoxin?

Q.

Consider the given assertion and reason, choose the right option.

Assertion [A] : Antibiotics are produced by bacteria and fungi.

Reason [R] : Antibiotics are not effective against viruses.

1. Both A and R are correct and R is the correct explanation for A.

2. Both A and R are correct and R is not the right explanation for A.

3. A is correct and R is incorrect.

4. Both Aand R are incorrect.

Q. Streptomyces griseus produces the antibiotic____

1. Streptomycin
2. Terramycin
3. Chloramphenicol
4. Neomycin

Q. Streptomycin is an antibiotic that is obtained from Streptomyces erythreus.

1. True
2. False

Q. Name some antibiotics obtained from bacteria

Q. Highly resistant thick walled spores produced by bacterial cells during unfavourable conditions are called as

1. Heterocyst
2. Zoospores
3. Gemmules
4. Endospores

Q.

Name an antibiotic manufactured from fungi.

Q. Match column I with column II and select the correct option from the given codes.

	Column I		Column II
A.	Aspergillus niger	(i)	Ethanol
B.	Clostridium butylicum	(ii)	Statins
C.	Saccharomyces cerevisiae	(iii)	Citric acid
D.	Trichoderma polysporum	(iv)	Butyric acid
E.	Monascus purpureus	(v)	Cyclosporin

1. A - (iv), B - (v), C - (ii), D - (i), E - (iii)
2. A - (iii), B - (iv), C - (i), D - (v), E - (ii)
3. A - (iii), B - (iv), C - (v), D - (i), E - (ii)
4. A - (ii), B - (iii), C - (iv), D - (v), E - (i)

Q. are the primary source of antibiotics.

1. Animals
2. Microbes
3. Plants
4. Chemicals

Q. All diseases can be treated or cured with the help of antibiotics.

1. True
2. False

Q.

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

Q.

Fevers

1. decrease interferon production.

2. decrease the concentration of iron in the blood.

3. decrease the activity of phagocytes.

4. increase the reproduction rate of invading bacteria.

Q. Saccharomyces cerevisiae is used in the production of

1. ethanol
2. cyclosporin A
3. pectinase
4. lactic acid

Q. Which of the following pairs is incorrectly matched?

1. Yeast – amitosis division
2. Phytophthora – cellulosic cell wall
3. Penicillium – produce antibiotic
4. Frankia – show association with legume

Q.

What are the uses of antibiotics?

Q. are the primary source of antibiotics.

1. Animals
2. Microbes
3. Plants
4. Chemicals

Q. Penicillin is obtained from which fungus ?