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Food Borne Diseases and Food Safety

Telangana Open School (TOSS) · Class 12 · Community Science (Home Science)

Complete topic list for Food Borne Diseases and Food Safety in Telangana Open School (TOSS) Class 12 Community Science (Home Science). Key concepts, sub-topics, and what to focus on for board exams.

44 questions30 flashcards4 concepts

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4 Topics · Telangana Open School (TOSS) Class 12 Community Science (Home Science)

Topics in Food Borne Diseases and Food Safety

1

Types of Food Borne Diseases

  • Food borne diseases are mainly classified into two types: food infection and food intoxication.
  • Food infection occurs when live harmful microorganisms are consumed and multiply in the body.
  • Food intoxication happens when pre-formed toxins in food are consumed, even if the microorganisms are no longer alive.
2

Causes of Food Borne Diseases

  • Main causes: bacteria, viruses, parasites, natural toxins, and chemical contaminants.
  • Bacteria like Salmonella, E. coli, and Shigella cause infections with incubation periods of 12–72 hours.
  • Viruses like Hepatitis A and Norovirus spread through contaminated food and water.
3

Common Food Borne Illnesses

  • Salmonellosis: caused by Salmonella in poultry, eggs, and meat; symptoms include fever, diarrhea, and vomiting.
  • Cholera: caused by Vibrio cholerae; leads to severe watery diarrhea and dehydration.
  • Shigellosis (Bacillary Dysentery): causes bloody diarrhea and stomach cramps; spreads through poor hygiene.
4

Food Intoxications

  • Bacterial intoxications: caused by toxins produced by bacteria in food.
  • Staphylococcus aureus: produces toxin in foods like cream pastries; symptoms appear in 1–6 hours.
  • Bacillus cereus: causes vomiting (with rice) or diarrhea (with meat); incubation 1–16 hours.

Key Concepts

Central concept: Food Safety and Prevention of Food Borne Diseases

Food Borne DiseasesTypes of Food Borne IllnessCommon PathogensSymptoms and IncubationSources and TransmissionPrevention and ControlFive Keys to Safer Food (WHO)Food Safety Management Systems

Frequently Asked Questions

What are the important topics in Food Borne Diseases and Food Safety for Telangana Open School (TOSS) Class 12 Community Science (Home Science)?
Food Borne Diseases and Food Safety covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Food Borne Diseases and Food Safety — Telangana Open School (TOSS) Class 12 Community Science (Home Science)?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Food Borne Diseases and Food Safety

All 42 chapters — Telangana Open School (TOSS) Class 12 Community Science (Home Science) Syllabus

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