Human Diseases
Telangana Open School (TOSS) · Class 12 · Biology
Step-by-step guide to study Human Diseases in Telangana Open School (TOSS) Class 12 Biology. Topics to cover, practice strategy, and time allocation.
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Study Plan
Learn the Theory
Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.
Practice Problems
Solve textbook exercises and additional practice questions. There are 48 questions available for this chapter.
Revise & Test
Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.
Spaced Revision
Revisit Human Diseases after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.
What to Focus On
- Disease: Any condition interfering with normal body function.
- Congenital diseases: Present from birth, e.g., hole in the heart.
- Acquired diseases: Develop after birth; include infectious and non-infectious types.
- Communicable diseases spread via pathogens like viruses, bacteria, protozoa, fungi, and worms.
- Non-communicable diseases include deficiency (e.g., anemia), degenerative (e.g., heart failure), allergies, and cancer.
- Cancer involves uncontrolled cell growth and can be benign or malignant.
- Direct transmission: Contact, droplets, soil, animal bites.
- Indirect transmission: Vectors, air, fomites, water.
- Vectors carry pathogens; houseflies spread cholera, mosquitoes spread malaria.
Common Mistakes to Avoid
All diseases that spread from person to person are caused by bacteria.
Cancer is a contagious disease that can spread from person to person.
Vaccines contain strong, active pathogens that can cause the disease.
Memory Tips
Definition of disease
Types of diseases: Congenital vs Acquired
Communicable vs Non-communicable diseases
Pathogen vs Parasite
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Human Diseases
Practice Quiz
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Important Questions
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Revision Notes
Key points for last-minute revision
Formula Sheet
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Chapter Summary
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Concept Maps
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Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
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Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Biology.