Paper 2 · Science · Class 8

Health: The Ultimate Treasure

75 questions · 4 Chapter Tests

About this chapter

Health: The Ultimate Treasure is the third chapter of Class 8 Curiosity. The chapter opens with a bulletin board — 11.4% Indians diabetic, 28.6% obese, air pollution as a public health emergency — to ask: is health only the absence of disease? The WHO definition is introduced — health is complete physical, mental and social well-being. Ayurveda's dinacharya, ritucharya and prakriti are added as Indian scientific heritage. Students learn to stay healthy through balanced diet, exercise, sleep, hygiene, limited screen time and saying no to tobacco. Symptoms (felt) and signs (seen or measured) are distinguished. Diseases split into communicable (cold, flu, chickenpox, measles, TB, hepatitis A, cholera, typhoid, ascariasis, malaria, dengue) and non-communicable (diabetes, cancer, asthma, obesity, hypertension). Pathogens, vectors, parasites, immunity, vaccines, Jenner's smallpox vaccine, teekedaars, Kamal Ranadive, Maharaj Kishan Bhan's Rotavirus vaccine, antibiotics, Fleming's penicillin and antibiotic resistance are covered. CTET Paper 2 Science tests disease-pathogen pairing, communicable-vs-non-communicable sorting, vaccine reasoning and antibiotic-misuse cases. The four tests — Practice 15, Quiz 15, Hard 15, Mastery 30 — cover these at exam depth.

Tests in this chapter