A common biocontrol agent for the control of plant disease is 

(1) Baculovirus

(2) Bacillus thuringiensis

(3) Glomus

(d) Trichoderma

Subtopic:  Microbes in Biocontrol Agent |
 51%
From NCERT
NEET - 2010
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Which one of the following is not used in organic farming?

(1) Glomus

(2) Earthworm

(3) Oscillatoria

(4) Snail

Subtopic:  Microbes as Biofertilizer |
 69%
NEET - 2010
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Which of the following plant species you would select for the production of bioethanol?

(1) Brassica

(2) Zea mays

(3) Pongamia

(4) Jatropha

Subtopic:  Chemistry of Fermented Beverages |
NEET - 2009
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Which of the following is not used as a biopesticide?

(1) Bacillus thuringiensis

(2) Trichoderma harzianum

(3) Nuclear Polyhedrosis Virus (NPV)

(4) Xanthomonas campestris

Subtopic:  Microbes in Biocontrol Agent |
 64%
From NCERT
NEET - 2009
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Probiotics are:

(1) safe antibiotics

(2) cancer induding microbes

(3) new kind of food allergens

(4) live microbial food supplement

Subtopic:  Industrial Products, Beverages & Antibiotics |
 54%
NEET - 2007
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A compound which is produced by an organism that inhibits growth of other organism is

called:

1. xenobiotics                         

2. antibiotic

3. antibody                             

4. interferon

Subtopic:  Industrial Products, Beverages & Antibiotics |
 79%
From NCERT
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Select the correct statement

(1) Acetobacter aceti produces citric acid.

(2) Saccharomyces cerevisiae is used as clot buster

(3) Penicillium notanum restrict the growth of Staphylococci

(4) Methanogens are found in aerobic conditions.

 

Subtopic:  Industrial Products, Beverages & Antibiotics |
 77%
From NCERT
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Which of the following statements is incorrect regarding fermentation ?

1. Propionibacterium is used to ferment the cheese.

2. The puffed-up appearance of dough is due to the production of CO2 gas. 

3. Fermentation in muscle produces ethanol.

4. Toddy is made by fermenting sap from palms.

Subtopic:  Chemistry of Fermented Beverages |
 85%
From NCERT
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Which of the following statements is correct?

1. Aspergillus niger is used for producing cyclosporin A.
2. Activated sludge is digested by aerobic bacteria to produce marsh gas.
3. Fleming, Chain & Florey were awarded with Nobel Prize for discovering penicillin.
4. BOD is amount of oxygen produced by bacteria on decomposition.
Subtopic:  Industrial Products, Beverages & Antibiotics |
 80%
From NCERT
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Which of the following microbes is correctly paired with its function ?

(1) Aspergillus niger - Production of lactic acid

(2) Trichoderma polysporum  - Lowers blood cholesterol

(3) Saccharomyces cerevisiae  - Production of citric acid

(4) Methanogenic bacteria - Gobar gas formation 

Subtopic:  Microbes in Production of Biogas |
 91%
From NCERT
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