Select the incorrect match

(1) Citric acid - Aspergillus niger

(2) Streptokinase - Streptococcus

(3) Butyric acid - Clostridium acetobutylicum

(4) Cyclosporin-A - Monascus purpures

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following antibiotics is not correctly matched with the source from which it is obtained ?

   

Antibiotic

Source

(1)

Penicillin

Penicillium chrysogenum

(2)

Bacitracin

Bacillus licheniformis

(3)

Griseofulvin 

Penicillium griseofulvum

(4)   

Streptomycin      

Bacillus griseus

Subtopic:  Industrial Products, Beverages & Antibiotics |
 50%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The preparation and flowering of leaves of tea and tobacco is due to the activities of 

(1) Bacillus subtilis

(2) Bacillus megatherium

(3) Streptococcus lactis

(4) Acetobacter aceti

 54%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The antibiotics have no effect on viruses because

a.   viruses show the metabolism of their own

b.   viruses are too small in size for antibiotics to act upon them

c.   viruses show no metabolism of their own

d.    viruses produce a thick covering and encyst themselves as endospores

 

Subtopic:  Industrial Products, Beverages & Antibiotics |
 55%
AIIMS - 2015
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The domestic sewage in large cities

(1) has a high BOD as it contains both aerobic and bacteria

(2) is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment plants (STPs)

(3) when treated in STPs does not really require the aeration step as the sewage contains adequate oxygen

(4) has very high amounts of suspended solids and dissolved salts

Subtopic:  Microbes in Sewage Treatment |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following useful organisms is not a part in production of curd/yoghurt?

(1) S. thermophilus

(2) Lactobacillus bulgaricus

(3) Acetobactor aceti

(4) Streptococcus lactis

Subtopic:  Microbes in Household Products |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which one is used/regarded as a biofertilizer?

1. An association between pteridophytes and cyanobacteria Anabaena

2. An association between gymnosperms and Nostoc

3. An association between legume and Rhizobium

4. All of the above

Subtopic:  Microbes as Biofertilizer |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Rice wine is 

(1) beer

(2) wine

(3) cider

(4) sake

Subtopic:  Chemistry of Fermented Beverages |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Name the blank spaces A, B, C and D given in the following table:

Type of Microbe

Scientific Name

Commercial. Product

Bacterium

A

Lactic acid

Fungus

B

Cyclosporin A

C

Monascus purpureus

Statins

Fungus

Penicillium notatum

D

(1) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Fungus), D - Penicillin

(2) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Algae), D - Penicillin

(3) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Prokaryote), D - Penicillin

(4) A - Lactobacillus, B - Trichoderma polysporum, C - Agaricus (Fungus), D - Penicillin

Subtopic:  Industrial Products, Beverages & Antibiotics | Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Name the blank spaces a, b, c and d given in the following table:

Type of Microbe

Scientific Name

Commercial Product

Bacterium

A

Clot enzyme

B

Aspergillus niger

Citric acid

Fungus

Trichoderma polysporum

C

Bacterium

D

Butyric add

(1) A - Streptococcus, B - Fungus, C - Cyclosporin-A, D - Clostridium butylicum

(2) A - Clostridium butylicum, B - Streptococcus, C - Fungus, D - Cyclosporin-A

(3) A - Cyclosporin-A, B - Clostridium butylicum, C - Streptococcus, D - Fungus

(4) A - Fungus, B - Cyclosporin-A, C - Clostridium butylicum, D - Streptococcus

Subtopic:  Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch