Question

Science Homework

Q.1) What is food poisoning?

Q.2) What are the causes of food poisoning?

Q.3) How do you come to know that the food has got spoiled?

Q.4) Name four Microbes which are responsible for food poisoning?​

Answer 1

Answer:

1. Illness caused by food contaminated with bacteria, viruses, parasites or toxins.

Infectious organisms or their toxins are the most common causes of food poisoning.

2. causes of food poisoning are Salmonella, Listeria, Staphylococcus, Trichinosis, E. coli, Campylobacter, Clostridium.

A campylobacteriosis infection can cause:

Stomach cramps.

Diarrhoea

Fever.

Nausea and vomiting.

3. Signs of food spoilage may include an appearance different from the food in its fresh form, such as a change in color, a change in texture, an unpleasant odour, or an undesirable taste. The item may become softer than normal. If mold occurs, it is often visible externally on the item.

4. The names of the bacteria that cause the majority of outbreaks of food poisoning are:

Salmonella.

Campylobacter.

Clostridium perfringens.

Staphylococcus aureus.

Bacillus cereus.

Answer 2

Answer 1:The disease caused due to the presence of large number of micro-organism in the food,or due to the presence of toxic substances in food formed by the action of micro-organism is called food poisoning.

Answer 2:Food poisoning can be caused by eating food contaminated with bacteria, viruses, chemicals or poisonous metals such as lead or cadmium. Most food poisoning, however, is caused by bacteria.

Answer 3:Signs of food spoilage may include an appearance different from the food in its fresh form, such as a change in color, a change in texture, an unpleasant odour, or an undesirable taste. The item may become softer than normal.

Answer 4:Salmonella.

Campylobacter.

Clostridium perfringens.

Staphylococcus aureus.

Bacillus cereus.

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