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Pune University - FY BSc ZOOLOGY - II, April 2010 (Old Course)

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Total No. of Questions : 5] [Total No. of Pages : 2 [3717] - 61 F.Y. B.Sc. P229 ZOOLOGY Genetics, Animal Systematics & Diversity - II (11520) (Theory) (Paper - II) (2004 Old Course) Time : 3 Hours] [Max. Marks :80 Instructions to the candidates: 1) All questions are compulsory. 2) Neat and labelled diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. Q1) Define / Explain the following. (Any Eight): a) Genotype. b) Chromonemata. c) Lethal genes. d) Muton. e) Hypertrichosis. f) Gnathostomata. g) Hibernation. h) Camouflage. i) Ultrafiltration. j) [16] Oviparous. Q2) Write short notes on any FOUR of the following. a) Cytoplasmic inheritance in Paramecium. b) Klinefelter s syndrome. c) Albinism. d) General characters of Reptilia. e) Functions of skin in frog. f) [16] Reflex action in frog. P.T.O. Q3) Attempt any FOUR of the following. [16] a) Explain complementary factors ( 9 : 7) with a suitable example. b) A man with blood group AB marries a woman having blood group AB . Give the possible genotypes and blood groups of their children. c) What types of blood groups are possible in the offsprings of the following crosses with reference to ABO blood group system in man. i) IA IA IB IB ii) IA IO IA IO. iii) IO IO IA IB iv) IA IO IB IO. d) Describe pulmonary respiration in frog. e) Sketch and label dorsal view of brain of frog. f) Sketch and label internal structure of heart of frog. Q4) Attempt any TWO of the following. [16] a) What is engenics? Explain any six factors contributing to positive engenics. b) Explain with suitable examples, XX - Xo and ZZ - ZW methods of sexdetermination. c) Describe the female reproductive system of frog. d) Describe with any four examples, the diversity in cartilagenous fishes with reference to habits and habitat. Q5) What is chromosomal aberration? Explain any three structural changes in chromosomes with suitable examples. [16] OR Describe digestive system of frog with a neat labelled diagram. Add a note on physiology of digestion. TTT [3717]-61 2

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Additional Info : F.Y.B.Sc. ZOOLOGY Genetics, Animal Systematics & Diversity - II (Theory) (Paper - II) (2004 Old Course), Pune University
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