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PYQ 1200 Q/A Part - 1
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Kerala PSC General Science Book Study Materials Page 526
Book's First Page37. Development of the natural systems is described as? (a) function of the systems (b) evolution of the systems (c) self-sustained process of the systems (d) none of the above Ans: (c) 38. The disease hydrophobia is caused by- (a) bacteria (b) fungi (c) virus (d) protozoa Ans: (c) 39. Edberd Gener had invented: (a) inoculation of tuberclosis (b) inoculation of AIDS (c) inoculation of polio (d) inoculation of smallpox Ans: (d) 40. AIDS is caused by : (a) lack of T-4 lymphocytes (b) high blood pressure (c) lack of riboflobin (d) bacterial infection Ans: (a) 41. The saliva hydrolyses starch into (a) glucose (b) sucrose (c) fructose (d) CO2 & H2O Ans: (a) 42. Leishmania the causative agent of Kala-azar, multiplies asexually by [NDA 2010] (a) budding (b) binary fission (c) multiple fission (d) sporogony Ans: (b) 43. Genetics deals with: [BPSC (Pre) 2011] (a) Mendel"s laws (b) Organic evolution (c) DNA structure (d) Heredity and variations Ans: (d) 44. Mendel"s principles of inheritance are based on : [BPSC 2011] (a) vegetative reproduction (b) asexual reproduction (c) sexual reproduction (d) all of the above Ans: (d) 45. The virus is : [SSC Grad. 2002] (a) protein and lipid (b) nucleic acid and protein 525