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Acetaldehyde like componds formed due to...

Acetaldehyde like componds formed due to Streptococcus give dense consistency to yoghurt.

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False.
Acetaldehyde like compounds formed due to Lactobacilli give characteristic taste to yoghurt.
OR
Lactic acid formed due to Streptococcus gives dense consistency to yoghurt.
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Fill in the blanks by selecting the correct word from the bracket and complete the given paragraph. (characterisitic taste, Lactobacilli, Xanthamonas spp., lactic acid, dense consistency, acetic acid, 2:1,Streptococcus thermophilus, 1:1) For preparation of yoghurt, milk is boiled and once it cools to warm temperature, bacteria such as Lactobacillus delbrueckii and "____" are added to it in "_____" proporation. "_____" is formed due to Streptococcus that makes the proteins to gel out and thus give "______" to the yoghurt. Acetaldehyde like compounds are formed due to "_____" that gives "______" to the yoghurt.

__________ like compounds are formed due to lactobacilli that give characterstic taste to the yoghurt

Give scientific reasons The shadow of the edge of an empty vessel is formed due to the slanting rays of the sun . When water is poured in the vessel , the shadow is shifted.

Complete the paragraph Select the appropriate options and complete the following paragraph. (Yeast, yoghurt, _ bread, Lactobacilli, fermentation, respiration, sour, bitter, low pH, coagulation, sweet, high pH) _________convert lactose in milk to form lactic acid by the process of ______. This results in a change in the pH of milk causing _________of milk proteins that separate these proteins from other constituents of milk. These changes in milk result in the formation of a product known as __________which has a_______taste due to the presence of lactic acid. The ________destroys harmful microbes present in milk.

Metals get attacked by substances around it such as moisture, acids, etc. Metal is said to 'corrode' due to this attack and the process is called corrosion. Many metals like iron, copper, silver, etc. get corroded. When iron is exposed to moist air, it undergoes corrosion and a reddish brown coloured solid layer is formed on its surface. Corrosion of iron, which is known as rusting, is a serious problem as enormous amount of money is spent every year to replace damaged iron. Similarly, copper reacts with moisture and. CO_(2) in air to form a green coloured coating of basic copper carbonate on its surface. Silver acquires a black colour when exposed to air containing H_(2)S due to the formation of silver sulphide on its surface. Based on the above paragraph, answer the following question. Give the chemical formula of rust.

Metals get attacked by substances around it such as moisture, acids, etc. Metal is said to 'corrode' due to this attack and the process is called corrosion. Many metals like iron, copper, silver, etc. get corroded. When iron is exposed to moist air, it undergoes corrosion and a reddish brown coloured solid layer is formed on its surface. Corrosion of iron, which is known as rusting, is a serious problem as enormous amount of money is spent every year to replace damaged iron. Similarly, copper reacts with moisture and. CO_(2) in air to form a green coloured coating of basic copper carbonate on its surface. Silver acquires a black colour when exposed to air containing H_(2)S due to the formation of silver sulphide on its surface. Based on the above paragraph, answer the following question. What happens to silver ornaments if they are exposed to air containing H_(2)S gas?

Metals get attacked by substances around it such as moisture, acids, etc. Metal is said to 'corrode' due to this attack and the process is called corrosion. Many metals like iron, copper, silver, etc. get corroded. When iron is exposed to moist air, it undergoes corrosion and a reddish brown coloured solid layer is formed on its surface. Corrosion of iron, which is known as rusting, is a serious problem as enormous amount of money is spent every year to replace damaged iron. Similarly, copper reacts with moisture and. CO_(2) in air to form a green coloured coating of basic copper carbonate on its surface. Silver acquires a black colour when exposed to air containing H_(2)S due to the formation of silver sulphide on its surface. Based on the above paragraph, answer the following question. Do gold ornaments corrode? Justify.

Metals get attacked by substances around it such as moisture, acids, etc. Metal is said to 'corrode' due to this attack and the process is called corrosion. Many metals like iron, copper, silver, etc. get corroded. When iron is exposed to moist air, it undergoes corrosion and a reddish brown coloured solid layer is formed on its surface. Corrosion of iron, which is known as rusting, is a serious problem as enormous amount of money is spent every year to replace damaged iron. Similarly, copper reacts with moisture and. CO_(2) in air to form a green coloured coating of basic copper carbonate on its surface. Silver acquires a black colour when exposed to air containing H_(2)S due to the formation of silver sulphide on its surface. Based on the above paragraph, answer the following question. What is rust?

Metals get attacked by substances around it such as moisture, acids, etc. Metal is said to 'corrode' due to this attack and the process is called corrosion. Many metals like iron, copper, silver, etc. get corroded. When iron is exposed to moist air, it undergoes corrosion and a reddish brown coloured solid layer is formed on its surface. Corrosion of iron, which is known as rusting, is a serious problem as enormous amount of money is spent every year to replace damaged iron. Similarly, copper reacts with moisture and. CO_(2) in air to form a green coloured coating of basic copper carbonate on its surface. Silver acquires a black colour when exposed to air containing H_(2)S due to the formation of silver sulphide on its surface. Based on the above paragraph, answer the following question. Why do we apply paint on iron articles?

TARGET PUBLICATION-INTRODUCTION TO MICROBIOLOGY -TRUE OR FALSE
  1. Diacetyl has a flavour of butter true or false

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  2. acetic acid is bleached with the help of potassium ferrocyanide before...

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  3. Water content and acidity of the milk remains same during formation of...

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  4. During cheese production, milk is pasteurized at the beginning to dest...

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  5. Acetaldehyde like componds formed due to Streptococcus give dense cons...

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  6. Parmesan is a freshly prepared cheese, hence it is always soft.

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  7. Shelf life of yoghurt and its probiotic properties can be improved by ...

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  8. Compressed yeast is used in commercial bakery industry.

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  9. State whether the given statement is true or false 4% acetic acid imp...

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  10. "" is obtained by fermentation of apple juice.

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  11. Xanthan is obtained by fermenting starch and molasses with the help of...

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  12. Glutamic acid, lysine and tryptophan are used as antioxidants.

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  13. Aspartame is used as an artificial sweetener.

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  14. Methane gas is obtained by microbial anaerobic decomposition of waste.

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  15. Hydrogen gas is released during bio-photolysis of water.

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  16. Biofuels are available in liquid from only.

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

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  18. Water released after microbial treatment is environmentally safe.

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  19. Fluoroacetamide like chemicals can be used in organic farming as they ...

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