Match Column I with Column II and select the correct option using the codes given below:

Column I

Column II

(a)

Citric acid

(i)

Trichoderma

(b)

Cyclosporin A

(ii)

Clostridium

(c)

Statins

(iii)

Aspergillus

(d)

Butyric acid

(iv)

Monascus

Codes:

 

(a)

(b)

(c)

(d)

1.

(iii)

(i)

(iv)

(ii)

2.

(i)

(iv)

(ii)

(iii)

3.

(iii)

(iv)

(i)

(ii)

4.

(iii)

(i)

(ii)

(iv)

Subtopic:  Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 85%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which of the following, in sewage treatment, removes suspended solids?

1. Secondary treatment 2. Primary treatment
3. Sludge treatment 4. Tertiary treatment 

Subtopic:  Microbes in Sewage Treatment |
 86%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Select the mismatch:  
1. Rhodospirillum - Mycorrhiza
2. Anabaena - Nitrogen fixer
3. Rhizobium - Alfalfa
4. Frankia - Alnus 

Subtopic:  Microbes in Biocontrol Agent |
 68%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which of the following is correctly matched for the product produced by them?             

1. Methanobacterium : Lactic acid
2. Penicillium notatum : Acetic acid
3. Saccharomyces cerevisiae : Ethanol
4. Acetobacter aceti : Antibiotics

Subtopic:  Industrial Products, Beverages & Antibiotics |
 90%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Conversion of milk to curd improves its nutritional value by increasing the amount of        

1. Vitamin B12
2. Vitamin A
3. Vitamin D
4. Vitamin E 

Subtopic:  Microbes in Household Products |
 96%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

BOD of waste water is estimated by measuring the amount of:

1. total organic matter

2. biodegradable organic matter

3. oxygen evolution

4. oxygen consumption.

Subtopic:  Microbes in Production of Biogas |
 52%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

What would happen if oxygen availability to activated sludge flocs is reduced?

1. It will slow down the rate of degradation of organic matter.
2. The center of flocs will become anoxic, which would cause the death of bacteria and eventually breakage of flocs.
3. Flocs would increase in size as anaerobic bacteria would grow around flocs.
4. Protozoa would grow in large numbers.
Subtopic:  Microbes in Sewage Treatment |
 50%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

What important nutrient is added to the curd that is produced with the help of LAB [Lactic Acid Bacteria]?

1. Vitamin A 2. Cyanocobalamin
3. Essential amino acids 4. Essential fatty acids
Subtopic:  Industrial Products, Beverages & Antibiotics |
 67%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The large holes in ‘Swiss Cheese’ are due to the production of a large amount of carbon dioxide by:
1. Propionibacterium shermanii
2. Methylophilus methylotrophus
3. Penicillium roqueforti
4. Penicillium camemberti

Subtopic:  Industrial Products, Beverages & Antibiotics | Microbes in Sewage Treatment |
 94%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Which of the following alcoholic drinks are produced without distillation?
1. Whiskey and Brandy
2. Brandy and Rum
3. Wine and Beer
4. Wine and Brandy

Subtopic:  Industrial Products, Beverages & Antibiotics | Chemistry of Fermented Beverages |
 91%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.