Page 1 :
(iv) (a)-Decreases the production of antibodies., , IV. Very Short Answer Type (VSA), , 1. Astate of physical, mental and social well being., , Disease is impairing of functioning of some body part., Abnormal changes in the functioning or appearance, of one or more systems of the body., , Chronic disease is more serious because it is long, lasting and has major ill effects., , 5. Tuberculosis and elephantiasis., , 6. Common cold and fever., 7. All those causes which induce the development of a, , a:, , 10., , EE, , 12., , 13., , disease by their infection or excess or deficiency e.g.,, infectious organisms like bacteria and viruses., , Diseases caused by the infection of certain microbes, e.g., tuberculosis and malaria., , (i) Bacterial disease = cholera, (ii) Viral disease =, chickenpox, (iii) Protozoan disease = malaria., , (i) Airborne = Tuberculosis, (ii) Water borne = cholera,, (iii) Sexual act = AIDS., , It is caused by a virus and is characterized by brain, fever., , (i) By use of antibiotics to kill the pathogenic organisms;, (ii) By reducing the effects of diseases. ., , Vectors are the organisms (e.g., insects) which spread, , the disease agents from infect, een ected persons to healthy