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Questions Related to evs

Chemical preservatives are used for

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Preserve jams jellies

  2. Pickles

  3. Ketchups

  4. All of the above

Show answer
Correct Option: D

Mark the incorrect statement

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Food poisoning could be due to the consumption of food spoilt by some microorganisms.

  2. Microorganims that grow on out food sometimes produce toxic substances.

  3. Insect make the food poisonous causing serious illness and even death.

  4. None of these

Show answer
Correct Option: D
Explanation:

It is very important that we preserve food to prevent it from being spoilt. Microbes can make the food poisonous causing serious illness and even death.

Most common preservative?

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Sodium benzoate

  2. Sodium metabisulphate

  3. Both A and B

  4. None of these

Show answer
Correct Option: C
Explanation:

Sodium benzoate and sodium metabisulphite are common preservatives. These are also used in the jams and squashes to check their spoilage.

A boy was invited by his friend to a party and he ate a variety of foodstuff. On reaching home he started vomiting. He had to be taken to a hospital. The doctor said that this condition could be due to ________

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Empty stomach

  2. Food poisoning

  3. Due to weak stomach movement

  4. All of the above

Show answer
Correct Option: B
Explanation:

Since he ate variety of foodstuffs,the condition could be due to food poisoning.Food poisoning could be due to the consumption of food spoilt by some microorganisms. Microorganisms that grow on our food sometimes produce toxic substances.

Mark the correct statement:


a) Food must be properly stored to prevent food poisoning.
b) Food poisoning can occur when food is left unrefrigerated for longer period of time.
c) Mishandling of food can also cause food poisoning.

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. a, b

  2. b, c

  3. a, c

  4. All of the above

Show answer
Correct Option: D
Explanation:

Food must be properly stored to prevent food poisoning. Food poisoning can occur when food is left unrefrigerated for longer period of time. Mishandling of food can also cause food poisoning.

Which of the following is a food infection?

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Salmonellosis

  2. Malaria

  3. Staphylococcal intoxication

  4. None of the above

Show answer
Correct Option: A
Explanation:

Salmonellosis is an infection caused by Salmonella bacteria. Symptoms include diarrhoea, stomach cramps and sometimes vomiting and fever. It is transmitted by the contaminated food and thus called as foodborne diseases. 

The undesirable change in a food that makes it unsafe for human consumption is referred as

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Food decay

  2. Food spoilage

  3. Food loss

  4. All of the above

Show answer
Correct Option: B
Explanation:

Food spoilage is the decrease in the original nutritional value, texture and flavor of the food. Such food becomes harmful and unsuitable for human consumption. This can happen due to bacterial or fungal action if food is left open for a long time. In uncooked food, autolysis may take place in which food is decomposed by self-enzymes. Food spoilage can be prevented by adding preservatives. Thus, the correct answer is option B.

Common food poisoning microbes are

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Clostridium and Salmonella

  2. Clostridium and E.coli

  3. E.coli and Streptococcus

  4. Clostridium and Streptococcus

Show answer
Correct Option: B
Explanation:

the correct answer is 'Clostridium and E.coli'

Food poisoining occurs usually due to the toxin of E.coli and is a mild form. Sometimes, a severe and fatal form of food poisoning occurs due the toxin of Clostridium botulinum .
Salmonella causes typhoid.
streptococcus infections usually cause upper-respiratory tract infections.

Which one of these foods is likely to contain the most bacteria?

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. Cooked chicken

  2. Tinned cream

  3. Frozen raw chicken

  4. Bottled mayonnaise

Show answer
Correct Option: C
Explanation:

frozen raw chicken contains the most bacteria even though it is frozen the bacteria does not die their growth is stopped but the bacteria is still present where as in the cooked chicken it is killed and in tinned cream and mayonnaise they are processed.

So, the correct answer is 'Frozen raw chicken'

Food poisoning bacteria will multiply readily between

evs eat when you need food poisoning and food preservation methods food spoilage, adulteration and preservation food spoilage and adulteration

  1. -18$^o$C- 0$^o$C

  2. 0$^o$C- 5$^o$C

  3. 5$^o$C- 63$^o$C

  4. 63$^o$C- 90$^o$C

Show answer
Correct Option: C
Explanation:

even though the food poisoning bacteria grow at the temperature of 37 degree centigrade they start multiplying readily at approximate temperature between 5 to 63 degree centigrade.

So, the correct answer is '5$^0$ - 63$^0$