The free-living fungus Trichoderma can be used for:

1. killing insects

2. biological control of plant diseases

3. controlling butterfly caterpillars

4. producing antibiotics

Subtopic:  Microbes in Biocontrol Agent |
 77%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Identify the incorrectly matched pair 

1.

Baculoviruses

 Species specific, broad spectrum insecticides

2.

Trichoderma

Free living fungi common in root ecosystems

3.

Ladybird

Biocontrol of aphids

4.

Organic farming

Pests kept at manageable levels rather than completely eradicated

Subtopic:  Microbes in Biocontrol Agent |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Baculoviruses are:

1. Species specific, narrow spectrum insecticides

2. Species specific, broad spectrum insecticides

3. Non specific, narrow spectrum inseticides

4. Non specific, broad spectrum insecticides

Subtopic:  Microbes in Biocontrol Agent |
 85%
From NCERT
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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 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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  Column-I   Column-II
I. Methanogens A. Microbial biocontrol agent
II. Organic wastes B. Penicillin
III.     Bacillus thuringiensis    
C.     Biochemical oxygen demand
IV. Penicillium notatum D. Methanobacterium

Which of the combinations is correct?

  I II III IV
(1)    B       A       D       C
(2) C D A B
(3) D C A B
(4) D B A C
Subtopic:  Industrial Products, Beverages & Antibiotics | Microbes in Sewage Treatment | Microbes in Production of Biogas | Microbes in Biocontrol Agent |
 94%
From NCERT
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Column-I

 

Column-II

I.

Saccharomyces    

A.    

Bacteria

II.

Trichoderma

B.

Cyanobacteria

III.    

Lactobacillus

C.

Fungi

IV.

Nostoc

D.

Yeast

Which of the combinations is correct?

 

I

II

III

IV

(1)   

D      

C      

A      

B

(2)

C

D

A

B

(3)

A

B

C

D

(4)

D

B

A

C

Subtopic:  Chemistry of Fermented Beverages | Microbes in Household Products | Microbes in Biocontrol Agent | Microbes as Biofertilizer |
 86%
From NCERT
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Column-I

 

Column-II

I.

Statins

A.

Yeast

II.

Ethanol

B.

Blood-cholesterol lowering agent

III.    

Dung

C.

Insect-resistant plant

IV.

Bt-cotton    

D.   

Biogas

Which of the combinations is correct?

 

I

II

III

IV

(1)   

B      

A      

D      

C

(2)

C

D

A

B

(3)

A

B

C

D

(4)

D

B

A

C

Subtopic:  Chemistry of Fermented Beverages | Chemicals, Enzymes & Other Bioactive Molecules | Microbes in Production of Biogas | Microbes in Biocontrol Agent |
 94%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following statements is correct?

A. Single cell protein is rich in high quality proteins but poor in fat.

B. BOD is the amount of oxygen that would be consumed if all the inorganic matter in one litre of water were oxidized by bacteria.

C. Trichoderma sp are free living fungi that are effective biocontrol agents of several pathogens.

D. Baculoviruses are pathogens that attack insects and other arthropods.

E. Bacillus thuringiensis is first used biopesticide.

F. Lactase enzyme is used in alcoholic fermentation.

G. Mycorrhiza is a symbiotic association between fungi e.g. Glomus and vascular plant.

(1) B, C, F, G

(2) A, D, F

(3) A, C, D, E, G

(4) B, F

Subtopic:  Chemistry of Fermented Beverages | Chemicals, Enzymes & Other Bioactive Molecules | Microbes in Sewage Treatment | Microbes in Biocontrol Agent |
 77%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Consider the following statements (A-D) about organic farming:

(A) Utilizes genetically modified crops like Bt cotton

(B) Uses only naturally produced inputs like compost

(C) Does not use pesticides and urea

(D) Produces vegetables rich in vitamins and minerals

Which of the above statements are correct?

(1) B, C and D

(2) C and D only

(3) B and C only

(4) A and B only

Subtopic:  Microbes in Biocontrol Agent |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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