In the chapter ‘Microbes in Human Welfare’, the textbook includes which of the following in the list of microbes?
I. protozoa II. Viruses
III. Viroids IV. Prions
 
1. Only I, II and III 2. Only I, III and IV
3. Only II, III and IV 4. I, II, III and IV
Subtopic:  Microbes in Household Products | Microbes in Production of Biogas | Microbes in Biocontrol Agent |
 75%
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 virus shown here is a causative agent of:

1. Intestinal infections
2. Respiratory infections
3. CNS infections
4. Genito-urinary infections
Subtopic:  Industrial Products, Beverages & Antibiotics |
 89%
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.


Lactic Acid Bacillus, while used for converting milk to curd, increases the nutritional value of curd by adding vitamin:

1. A 2. B12
3. C 4. D
Subtopic:  Microbes in Household Products |
 96%
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

Lactic Acid Bacteria can check the growth of disease causing:

1. Bacillus clausii 2. Helicobacter pylori
3. Saccharomyces boulardii 4. Clostridium butyricum
Subtopic:  Industrial Products, Beverages & Antibiotics |

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

Hints

Consider the given two statements:
Statement I: During growth, the LAB produces acids that coagulate and partially digest the milk proteins.
Statement II: The dough, which is used for making foods such as dosa and idli is fermented by fungi.
1. Both Statement I and Statement II are correct
2. Only Statement I is correct
3. Only Statement II is correct
4. Both Statement I and Statement II are incorrect
Subtopic:  Microbes in Household Products |
 58%
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 rising of dough is due to:

1. Multiplication of yeast

2. Production of CO2

3. Emulsification

4. Hydrolysis of wheat flour starch into sugars

Subtopic:  Microbes in Household Products |
 92%
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

‘Toddy’, a traditional drink of some parts in southern India, is made by fermenting sap from:

1. Soyabean 2. Bamboo shoots
3. Palms 4. Sugarcane
Subtopic:  Industrial Products, Beverages & Antibiotics | 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.


Large holes in Swiss cheese are the result of fermentation by:
1. Streptococcus salivarius
2. Propionibacterium shermanii
3. Lactobacillus helveticus
4. Lactobacillus delbrueckii

Subtopic:  Microbes in Household Products |
 95%
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 ‘Roquefort cheese’ is ripened by:

1. A fungus 2. A bacterium
3. An algae 4. Lichens
Subtopic:  Industrial Products, Beverages & Antibiotics | Chemistry of Fermented Beverages |
 80%
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 |
 92%
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.