This Class-12 Biology Sample Paper – 1 (Solved) covers the following portion:
Unit-VIII Biology and Human Welfare
Chapter-8: Human Health and Diseases
Pathogens; parasites causing human diseases (malaria, dengue, chikungunya, filariasis,
ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm) and their control; Basic
concepts of immunology – vaccines; cancer, HIV and AIDS; Adolescence – drug and alcohol
abuse.
Chapter-10: Microbes in Human Welfare
Microbes in food processing, industrial production, sewage treatment, energy generation and
microbes as bio-control agents and bio-fertilizers. Antibiotics; production and judicious use.