Alcohol Industry

Q.

What is fermentation?

Q.

Describe the role of micro-organisms in industrial production

Q.

Describe the role of certain fungi in industrial production.

Q.

State the importance of fungi?

Q.

Production of ethanol (C2H5OH) (C_2H_5OH)$\left(C_2{H}_{5}OH\right)$ occurs in one of the life processes of :

(a) Bread mould (b) Yeast
(c) Mushroom (d) Penicillium

Q.

Mention two useful and two harmful efects of wine.

Q.

What is known as fermentation?
[2 MARKS]

Q.

Germinating barley seeds are used in the preparation of

1. Lactic acid

2. Cheese

3. Beer

4. Wine

Q.

Question 33
Why does bread mould grow profusely on a moist bread slice rather than on a dry bread slice?

Q.

Mention two useful and two harmful effects of wine.

Q. Alcohol is a byproduct of fermentation.

1. True
2. False

Q.

Name the process in yeast that converts sugars into alcohol.

Q.

Alcoholic beverages which contain a higher percentage of alcohol by volume is made by which of the following processes?

1. Scintillation

2. Distillation

3. Ventilation

4. Precipitation

Q.

Question 33
Why does bread mould grow profusely on a moist bread slice rather than on a dry bread slice?

Q.

Why are yeast cells used to produce wine?

Q. Label the missing steps in the flowchart for the production of beer

1. 1.Pasteurization 2.Germination 3.Kilning 4.Brewing 5.Germination
2. 1.Germination 2.Kilning 3.Milling 4.Brewing 5.Pasteurization
3. 1.Kilning 2.Germination 3.Milling 4.Brewing 5.Pasteurization
4. 1.Pasteurization 2.Kilning 3.Milling 4.Germination 5.Brewing

Q. Alcoholic fermentation is due to the activity of

1. Sclerospora
2. Saccharomyces
3. Agaricus
4. Chlorella

Q. Write the unique feature of all types of microbes?

Q. What is fruiting body? Send me a image of fruiting body in fungi and algae.

Q.

Why are yeast cells used to produce wine?

1. They convert glucose into ethyl alcohol.

2. They convert maltose into glucose

3. They convert sucrose into lactic acid.

4. They convert lactic acid into ethyl alcohol

Q. What is the dispersed phase and dispersion medium of yeast ?

Q. Why is distillation required for producing certain alcoholic drinks ?

Q. Wine Yeast is?

1. Saccharomyces cerevisiae
2. S. ellipsoidens
3. S. sake
4. S. pireformis

Q. Recently Indian Government has given permission to mix alcohol in fossil fuel-petrol, which is called as gasohol. What amount of alcohol has beer, permitted to mix?

1. 10-15%.
2. 5-10%.
3. 5%.
4. 10%.

Q. Which one of the following processes involved in alcohol production is not involved in wine production?

1. Malting
2. Mashing
3. Fermentation
4. Distillation

Q. With reference to fermented beverages, explain the role of microbes in industrial products.

Q. Which one of the following alcoholic beverages are made via distillation?

1. Whisky
2. Beer
3. Wine
4. Rum

Q.

Choose the correct option based on given statments:

Assertion [A]: Wine is a product of microbial activity.

Reason [R]: Yeast ferments carbon compounds to make alcohol and carbon dioxide.

1. Both A and R are false.

2. A and R are true and R is the correct explanation of A.

3. A and R are true but R is an incorrect explanation of A.

4. A is true but R is false.

Q. When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them.
What is this growth called?

Q. Vitis is a tendril climber which is extensively used for

1. Charas
2. Volatile oil
3. Opium
4. Wine