Skip to main content
Super TutorResources
Chapter 28 of 41
Syllabus

Human Diseases — Syllabus

Telangana Open School (TOSS) · Class 12 · Biology

What Human Diseases covers in Telangana Open School (TOSS) Class 12 Biology: 4 topics, for the 2026-27 session.

48 questions30 flashcards5 concepts

Interactive on Super Tutor

Studying Human Diseases? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

Free trial, no card needed.

4 Topics · Telangana Open School (TOSS) Class 12 Biology · 2026-27

Topics in Human Diseases

1

Types of Diseases

  • Disease is any condition that disrupts normal body function.
  • Two main types: Congenital (present at birth) and Acquired (develop during life).
  • Acquired diseases are further divided into communicable and non-communicable.
2

Communicable Diseases and Transmission

  • Caused by pathogens like bacteria, viruses, protozoa, fungi, and worms.
  • Spread through direct contact (touch, droplets, animal bites) or indirect means (vectors, water, air, objects).
  • Vectors like mosquitoes and houseflies carry pathogens from host to host.
3

Major Infectious Diseases

  • Influenza: Caused by virus, spreads via droplets, symptoms include fever, cough, body ache.
  • Measles: Viral, highly contagious, causes rashes and fever.
  • Polio: Viral, affects nervous system, can cause paralysis.
4

Non-Communicable Diseases

  • Degenerative diseases: Due to organ malfunction, e.g., heart failure.
  • Deficiency diseases: Caused by lack of nutrients, e.g., anemia (iron), beriberi (vitamin B1).
  • Allergies: Overreaction of immune system to harmless substances like dust or pollen.

Key Concepts

Central concept: Disease

Definition of DiseaseTypes of DiseasesCongenital DiseasesAcquired DiseasesCommunicable DiseasesNon-communicable DiseasesModes of TransmissionKey Biological Terms

Work through every topic in Human Diseases with notes and quizzes

Start This Chapter

Frequently Asked Questions

What are the important topics in Human Diseases for Telangana Open School (TOSS) Class 12 Biology?
Key topics in Human Diseases include Types of Diseases, Communicable Diseases and Transmission, Major Infectious Diseases, Non-Communicable Diseases. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Human Diseases for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 48 practice questions on Human Diseases. Revise 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 Human Diseases

All Telangana Open School (TOSS) Class 12 Biology Syllabus

For serious students

Get the full Human Diseases chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for Telangana Open School (TOSS) Class 12 Biology. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free