Write True or False

Question 11 Mark

Bacteria used to clear oil spills are called phenol oxidising bacteria.

Answer

False : Bacteria used to clear oil spills are called hydrocarbonoclastic bacteria (HCB).

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Question 21 Mark

Microbes are used for bioremediation of environment polluted due to sewage.

Answer

True

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Question 31 Mark

L-glutamic acid is used for production of monosodium glutamate (Ajinomoto).

Answer

True

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Question 41 Mark

Acetic acid is bleached with the help of potassium permanganate.

Answer

False : Acetic acid is bleached with the help of potassium ferrocynide.

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Question 51 Mark

Nowadays, probiotics are used for treatment of diarrhoea and treatment of poultry.

Answer

True

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Question 61 Mark

Antibiotics maintain the balance of intestinal microorganisms.

Answer

False : Probiotics maintain the balance of intestinal microorganisms.

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Question 71 Mark

On storing for 3 to 12 months, very hard cheese called Parmesan cheese is formed.

Answer

False : On storing for 3 to 12 months, semi-hard cheddar cheese is formed.

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Question 81 Mark

Mozzarella cheese is very hard cheese.

Answer

False : Mozarella cheese is soft cheese.

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Question 91 Mark

Soyabean sauce is produced with the help of fungus Aspergillus oryzae

Answer

False : Soyabean sauce is produced with the help of froigus Aspergillus oryzae.

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Question 101 Mark

In villages, domestic sewage is disposed off in nearby soil.

Answer

True

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Question 111 Mark

Bio-fuel is among non-renewable source of good energy.

Answer

False: Bio-fuel is among renewable source of good energy.

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Question 121 Mark

Microbial enzymes are inactive at low temperature.

Answer

False: Microbial enzymes are active at low temperature

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Question 131 Mark

Probiotics are used for treatment of cough and cold.

Answer

False : Probiotics are used in the treatment of diarrhea.

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Question 141 Mark

Ajinomoto, a popular chinese food is produced by microbial fermentation.

Answer

True

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Question 151 Mark

Useful microbes become inactive due to antibiotics, probiotics make them active again.

Answer

True

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Question 161 Mark

Enzyme protease obtained from fungi is used to produce vegetarian cheese.

Answer

True

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Question 171 Mark

Whey is separated from yoghurt.

Answer

True

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Question 181 Mark

Cheese is produced on large scale from abundantly available cow milk all over the world.

Answer

True

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Question 191 Mark

Bacterial strains of Streptococcus thermophilus and Lactobacillus delbrueckii are added to warm temperature milk in 2:1 proportion.

Answer

False : Bacterial strains of Streptococcus thermophilus and Lactobacillus delbruecku are added to warm temperature milk in 1 : 1 proportion.

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Question 201 Mark

Milk is pasteurized at the beginning to destroy unwanted microbes.

Answer

True

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Question 211 Mark

Basic process for production of yoghurt, cheese and cream is different.

Answer

False : Basic process for production of yoghurt, cheese and cream is same.

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Question 221 Mark

Milk is converted into various products for its preservation purpose.

Answer

True

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Question 231 Mark

Various products like food and cosmetics are produced on a large scale with the help of micro - organisms.

Answer

False : Various products like food and medicines are produced on a large scale with the help of micro-organisms

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Question 241 Mark

Industrial microbiology uses microbes for garbage management and pollution control.

Answer

True

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