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Pune University - FY BSc ZOOLOGY - II, April 2010

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Total No. of Questions : 6] P188 [Total No. of Pages : 3 [3717] - 10 F.Y. B.Sc. ZOOLOGY (Theory) Genetics and Parasitology (Paper - II) (41520) (New Course) (2008 Pattern) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates : 1) All questions are compulsory. 2) Neat labelled diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. SECTION - I (Genetics) Q1) Define / Explain the following (Any Ten) a) Gene. b) Test cross. c) Dominant Epistasis. d) Monoploidy. e) Universal donor. f) Euchromatin. g) Law of dominance. h) Cloning. i) Paramecin. j) Gynandromorphs. k) Pleiotropy. l) Homozygous. [10] Q2) Write short notes on (Any Three) a) Down s syndrome. b) DNA finger printing. c) Albinism. d) Polytene chromosome. e) Haemophilia. [15] P.T.O. Q3) Attempt the following : [15] a) Explain the inheritance of supplementary genes (9 : 3 : 4 ratio). b) What is sex determination? Explain XX - XO method of sex determination. c) What type of blood groups are possible in the offsprings of the following crosses with reference to ABO blood group system in man i) IAIA x IOIO ii) IAIB x IAIB iii) IOIO x IBIB iv) IAIO x IBIO v) IBIO x IBIO OR What is eugenics? Explain various factors contributing to positive and negative eugenics. SECTION - II (Parasitology) Q4) Define / Explain the following (Any Ten) a) Medical protozoology. b) Mutualism. c) Host. d) Neoplasia. e) Antigen. f) Miracidium larva. g) Taeniasis. h) Nocturnal periodicity of microfilaria. i) Vaccination. j) Sporogony. k) Vector. l) Sporocyst larva. [3717] - 10 2 [10] Q5) Write short notes on (Any Three) : [15] a) Toxoplasmosis. b) Bird flu. c) Pathological effects of head louse. d) Control measures of Entamoeba histolytica. e) Signs and symptoms of malaria. Q6) Attempt the following : [15] a) What is antibody? Explain any four classes of antibody. b) Explain parasitic adaptations in endoparasites. c) What is host specificity? Explain physiological host specificity with suitable example. OR Explain in detail life cycle of Ascaris lumbricoides. Add a note on its control measures. [3717] - 10 3

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Additional Info : F.Y. B.Sc.ZOOLOGY (Theory) : Genetics and Parasitology (Paper - II) (New Course) (2008 Pattern), Pune University
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