Human Diseases: Prevention and Cure
PART-A Unit-I: General Science
Previous Year Questions (PYQ) for this topic
Every TNPSC question asked from this topic, compiled as a PDF. · PDF 4.0 MB
Human Diseases and Pathogens - PYQ Points
1. Bacterial Diseases
| Disease | Causative Agent / Affected Organ |
|---|---|
| Typhoid | Salmonella typhi |
| Whooping Cough | Bordetella pertussis (affects respiratory tract) |
| Bacterial Dysentery | Shigella species |
| Tuberculosis | Primary organ affected: Lungs |
| Tonsillitis | Streptococcus pyogenes |
| Anthrax | Bacillus anthracis |
| Gonorrhea | Caused by bacteria |
2. Viral and Parasitic Diseases
- HIV-1: Contains two identical single-stranded ssRNA molecules.
- Coronavirus: The term was first published in the journal "Nature" in 1968.
- Malaria: Caused by parasites such as Plasmodium vivax, P. malariae, and P. falciparum.
- Rabies: A viral disease transmitted from animals to humans.
- Kala-azar (Black Fever): Caused by Leishmania donovani.
- Elephantiasis: Caused by Wuchereria bancrofti.
3. Cancer and Tumors (Oncology)
- Carcinoma: A type of cancer that originates in epithelial cells.
- Malignant Tumor: Associated with metastasis (spread of cancer).
- Breast Cancer: May be associated with increased production of melatonin in the body.
4.
Free preview ends here