37. 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
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