Ten subjects are included in the BCS preliminary test. Science is one of important part of those subjects. You have to answer 15 Science questions out of total 200 questions.
For long and healthy preparation you must follow - Text books from six to ten.
For short and Quick preparation you may follow -Oracle, MP3 BCS Preliminary Science.
Material Condition, Multipurpose use of Carbon,The structure of the Atom, Acid, Alkali, Salt, Soap Work, Corrosion of Matter, Physical Quantity and its Measurements, Development of Physical Science, Magnetism, Wave and Sound, Heat and Thermodynamics, The Nature of the Light etc.
Biological Religion of Substance, Tissue, Genetics, Biodiversity, Animal Diversity, Plant Diversity, Animal Tissue, Organ and Organ Systems, Photosynthesis, Virus, Bacteria, Zoological Nomenclature, Botanical Nomenclature, Animal Kingdom, Plants, Flowers, Fruits, Blood and Blood Circulation, Vitamin, Microbiology, Blood Pressure etc.
The History of the Creation of the World, Cosmic Ray, Black hole, Higg Particles, Barimondol, Tide, Atmosphere, Techtonic pellet, Cyclone, Tsunami, Evolution, Marine Life, Human body, The Causes and Remedies of the Disease, Infectious Diseases, The Living of Germs, Mother and Child Health, Imagination and Vaccination etc.