Alcohol, Wine and Vinegar

Q. Which of these microorganism is used in production of alcohol?

1. Clostridium botulinum
2. Saccharomyces cerevisiae
3. Torulopsis utilis
4. None of the above

Q.

Name the micro-organism which is used for the large scale production of alcohol.

Q.

Alcohol is produced with the help of ___ .

Q. Anaerobic respiration is also known as :

1. Photosynthesis
2. Detoxification
3. Centrifugation
4. Fermentation

Q.

Why is glucose called grape sugar?

Q.

Explain briefly:

Yeast is used in bakeries and breweries.

Q.

Write the name of the bacteria that helps in the formation of vinegar?

Q. How is curd made? Name the microorganism involved in the formation of curd?

Q.

State the role of bacteria in making vinegar.

Q.

Which Yeast Is Commonly Called The Brewer’s Yeast?

Q. The process of conversion of sugar into alcohol by yeast is called as

1. Fermentation
2. Pasteurisation
3. Alcoholism
4. All of the above

Q. Which of the following bacteria is used in the production of vinegar commercially?

1. Acetobacter aceti
2. Xanthomonas citri
3. Escherichia coli
4. Beggiatoa

Q. Name the organism and enzyme which bring about alcoholic fermentation of sucrose.

Q. Carbon dioxide is a byproduct of the fermentation reaction.

1. True
2. False

Q. What are various commercial use of microorganisms?

Q. Which of the following yeasts is used in the preparation of beer and wine?

1. Saccharomyces ludwigii
2. Saccharomyces cerevisiae
3. Schizosaccharomyces
4. Ashbya gossypii

Q. ______ is obtained by fermentation of apple juice.

1. Cedar
2. Wine
3. Coffee
4. Cocoa

Q.

Which of the following microbes are used for making alcoholic beverages?

1. Lactobacillus

2. Yeast

3. Acetobacter

4. Aspergillus

Q. A bioenergy source obtained by fermentation to supplement fossil fuel petrol is

1. Kerosene
2. Diesel
3. Ethanol
4. Methane

Q. Fermentation ability of yeast is due to

1. Amylase
2. Galactase
3. Zymase
4. Invertase

Q. Which of the following plant material is used to make Beer?

1. Apple cider
2. Cereal grains
3. Grapes
4. Vinegar

Q. Yeast is used in the production of -

1. alcohol
2. sugar
3. hydrochloric acid
4. oxygen

Q. Which is not one of the new uses of biotechnology ?

1. Increasing soil fertility
2. Making beer and wine
3. Cleaning up oil spills
4. Obtaining minerals from mining

Q. Vinegar is prepared from alcohol with the help of

1. Lactobacillus
2. Acetobacter
3. Azotobacter
4. Rhizobium

Q. During alcoholic fermentation, ethanol and carbon dioxide are produced.

1. True
2. False

Q. Which of the following is the microbe used in manufacturing vinegar?

1. Streptococcus thermophilus
2. Saccharomyces cerevisiae
3. Aspergillus oryzae
4. Acetobacter

Q. Which of the following is used to manufacture ethanol from starch?

1. Penicillium
2. Saccharomyces
3. Azotobacter
   
4. Lactobacillus

Q. Yeast was used in fermentation first of all by.

1. Hansen
2. Pasteur
3. Spike
4. Jackson

Q. Most commonly used substrate for industrial production of beer is __________.

1. Wheat
2. Sugarcane molasses
3. Corn
4. Barley

Q. Vinegar is prepared from fermented sugar solution by the activities of

1. Acetobacter aceti
2. Bacillus aceti
3. B. subtilis
4. Diplococcus