Dairy Products

Q.

What is Lactobacilli?

Q. Which of the following is used as a food preservative?

1. Sodium benzoate
2. Equanil
3. Saffron
4. Beetroot

Q. Raju is suffering from loose motions. Doctor advised him to take yoghurt or buttermilk. Why?

1. To quench his thirst.
2. To restore beneficial microorganisms.
3. To restore lost energy.
4. To activate his taste receptors.

Q.

Find the odd one out:
Vinegar, Soya sauce, Ketchup, Monosodium glutamate

Q.

Which microorganism is used in the production of alcohol from sugar?

Q.

What is the branch of biology that concerns protozoa called?

Q.

Harmful bacteria in like______ in the intestine are destroyed due to probiotics

1. Bacterium Bacillus subtilis

2. Fungus Trichoderma polysporum

Q.

Which one among the following is not categorized as Lactic Acid Bacteria?

1. Lactobacillus
2. Pneumococcus
3. Leuconostoc
4. Streptococcus

Q. Match the following.

1. Idli batter	a. Yeast
2. Cake	b. Fungi
3. Spoiled mutton curry	c. Lactobacillus
4. Worn out jute bag	d. Clostridium

1. 1-c, 2-a, 3-d, 4-b
2. 1-b, 2-a, 3-c, 4-d
3. 1-a, 2-d, 3-b, 4-d
4. 1-c, 2-d, 3-a, 4-c

Q. Pasteurization removes ____.

1. heavy metals
2. oil spills
3. microbes
4. sulphur

Q.

Which microorganism present in colon produce odour in feces?

Q. Which among the following is a biocontrol agent?

1. Trichoderma
2. Vibrio
3. Streptomyces
4. Nocardia

Q.

Which of the following is obtained from the fermentation of molasses by yeast?

1. Vegetable oil

2. Ethanol
3. Oxygen

4. Hydrogen

Q. Which of the following statement/s is/are true for yeast?

1. They are unicellular.
2. They are eukaryotic.
3. They are pinkish rod-shaped.
4. They help in making cakes spongy.

Q.

Can cyanobacteria kill fish?

Q. Ethanol is oxidised with bacterial strains like acetobacter to produce _____.

1. Curd
2. Kefir
3. Acetic acid
4. Alcohol

Q. Curd is produced by Lactobacillus.

1. True
2. False

Q. WHat is the criteria of bacillus subtillis Harmful or necessary?

Q. Which of the following bacteria converts milk into curd?

1. 
   ​​​​​​​Tobacillus
2. 
   Lactobacillus
3. 
   Streptococcus
4. 
   ​​​​​​​Acidophillus

Q. Lactobacillus helps in the process of curd formation.

1. True
2. False

Q. Saccharomyces cerevisiae is an example of a useful _____.

1. Protozoa
2. Virus
3. Bacteria
4. Fungi

Q. Which among the following is not the product of microbial fermentation?

1. Bread
2. Wine
3. Milk
4. Curd

Q. Pair up the organisms with the products they can be used to produce.

1. Bread
2. Curd
3. Penicillium
4. Lactobacillus
5. Antibiotic
6. Saccharomyces
7. Acetobacter
8. Vinegar

Q. What is the role of lycopene?

1. 
   Artificial sweetener
2. 
   Emulsifiers
3. 
   Edible colour
4. 
   Protein binding