GENERAL SCIENCE I. VARIOUS SOURCES OF ENERGY II. NUTRITION AND ITS TYPES, RESPIRATION, TRANSPORTATION OF WATER, FOOD AND MINERALS IN PLANTS III. COMMUNICABLE AND NON COMMUNICABLE DISEASES IV. VITAMINS-DISEASES RELATED TO VITAMIN DEFICIENCY V. ECOSYSTEM- ITS COMPONENTS, FOOD CHAINS AND FOOD WEBS VI. ENVIRONMENTAL POLLUTION, OZONE LAYER, ITS DEPLETION, GREEN HOUSE EFFECT VII. VACCINES AND IMMUNIZATION