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1 B.A./B.Com./B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Final Year) Third Year Paper - II : Science & Civilization (DICS31) Time : 1 Hour 30 Minutes Maximum Marks : 50 Section - A (2 x 13 = 26) Answer any Two of the following in sixty lines 1) Write an account on preparation and types of vaccines. È P Ö " Ç ¼!.À È" ( ¼! # ¾Þ PAà YÞ ( b ßÔÈ" ( YÞ È ½ßÔÈ" # ~È ¼! #È" #2 2) Solar energy is an up growing source of energy - Discuss. Õ ¾Þ Ì! P ~ß«È" #T ~ß«½È".ª¼! ( Ì! P D ÉÈ" ß«'È" #2 3) What is hydrogen bomb? What is the principle involved in the hydrogen bomb? R ~ i Œþ ³ ²( D " YA É(B ¼!.ÀÄ] É ª ÉÈ" ß«'È" #B 4) What is the value of social justice in the modern society. E Þ ( PÞ ßÔÈ".iÈ" #Ä] Õ È".kPÞ ½¼! (È" # ÉÃ(È" à YÞ. d ÉÈ" ß«'È" #2 5) What is satellite? Write about uses and types of satellites. ÌAv RÄ sœý D " YA É(B ÌAv RÄ sœý Hß«¼.YAÃ( ¾Þ PAà YÞ. d ~È ¼! #È" #2 6) Explain the major contribution of modern science to human welfare. E Þ ( PÞ ÌA Ô ¼! ( Éj t à È" à " È". " È" ~ß«YÞ P PÞ ÅY Hß«¼.YAÃ( ~È ¼! #È" #2 7) Write short notes on any THREE of the following: a) Radioactivity. ¾ ¼.»PÞ 2 b) Synthetic detergents. Ô œþ v P u¾ m u(2 c) Geological survey. ry ÛPÞ ßÔ¾ ËÃ(2 Section - B (3 x 4 = 12)

2 d) Steam engine. ÔtÐŒþ$ F i " (2 e) Green Revolution. ß Éß«ÇÈ" È" #2 f) Test tube baby. v ŒÔw u.½»œý ³ 2 g) Pyrethrums. R «~œþ ÐŒþ$2 h) Synthetic fibre. PÞ ~ È" ( ¾Þ Ã(2 i) Pencillin. «ÖÅ Œþ2 Section - C (3 x 4 = 12) Answer all questions 8) Fill in the blanks: a) Compass is used for finding the. PÞ.Öc P ¾Þ PÞ ( È Þ (Þ (¾Þ (2 b) X rays were discovered by. JP Ö¾ à " ( PÞ «v w ". c) Bacteriology means. ³ P w ¼!.Ãk D " YA. d) Chemical responsible for Ozone depletion. Nj] Œþ Ï PÞ ( PA¾Þ Ï È" (¼ (½ ¾Þ Õ ¼! ( " È" #. 9) Choose the correct answer: a) Earth revolves round the sun discovered by!.é( ßÔ.¾Þ (½ a (u(w ß«~! È" (Ï È" # PÞ " (Y " ªÈ ¾Þ (2 i) Kepler ii) Galileo iii) Issac Newton iv) Copernicus.

3 b) SHAR centre is at i) Andhra Pradesh ii) Madhya Pradesh iii) Uttar Pradesh iv) Maharashtra SHAR P ~Þ È" # PÞ Ã ~ß«Ì! È" # i) E ~ Þ ~ß«ÔŒý ii) È" ( Þ ½~ß«ÔŒý iii) H ¾Þ ~ß«ÔŒý iv) È" (ؾAßÑŠ c) The Heart of the computer is i) Keyboard ii) Mouse iii) CPU iv) Printer PÞ ß«Q½u¾ PÞ ( F YÞ ( È" v i) P ³]¾Þ (} ii) È" ŒÔ iii) CPU iv) ~ «u¾ d) Theory of relatively was proposed by i) A. Einstein ii) I.P. Pavlov iii) Ottoham iv) Rutherford Õ «Þ Ô È" # ~ß«b " i) A. L ŒþïÜt Œþ ii) I.P. È" Ä ÐŒþ iii) Nv]wß ÐŒþ$ iv) ¾Þ.œÞ ¾ ß ¾ } 10) Match the following: a) Green house effect i) Health b) Vitamins ii) Alexander flemming c) Coal iii) Methane and CO 2 d) Pencillin iv) Conventional energy a) [ Œþ ß rœô ~ß«È" È" # i) E¾ YÞ ½ b) ÉuÉ( " (Ç ii) DÄ YAm Þ ¾ «ÇÉ( Y c) ³ YÞ (\ iii) É(œ Œþ È" ( ¼! # CO 2 d) «ÔÅ Œ iv) Õ ~ß«¼! ( M " ¾Þ (Ã(

4 B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part - II : BOTANY (DSBOT 31) Paper - III : Taxonomy, Utilisation of Plants, Palynology & Embryology Time : 03 Hours Maximum Marks : 100 SECTION-A Ô Þ * J Answer all questions. (4 x 15 = 60) D ª ~ß«Ì! ªÃPÞ ( iè ²(Ã( ~È ¼! #È" #2 1) a) Explain Engler and Prantl s system of classification. J YÞ Ç¾ È" ( ¼! # ~ v Ä Ã È" À\PÞ ¾Þ Ï É«é " È" # " ( È" ß«'È" #2 b) Write an essay on numerical taxonomy and anatomy in relation to taxonomy. ßÔ U ½ßÔ ² Þ RÈ ( " È" À\PÞ ¾Þ Ï ÌAßÔ È" # È" ( ¼! # D ª¾A»Ï ÌAßÔ È" # È" À\PÞ ¾Þ Ï ßÔ ² b " é R «MPÞ Ðé½ßÔ ~Ðé¼! #È" #2 2) a) Describe the characteristic features of the family Cucurbitaceae. Add a note on its importance. PÞ (PÞ ( v Ô PÞ (u( ²È" # ~ß«é " Ã Þ Ï Ã " ( È" a (È" #2 é E ŸPÞ ~ È" #T½ " ( i ß«¾Þ (a (È" #2 b) Give an account of vegetative and floral characters of Amaranthaceae. DÈ" (¾A œ Ô ¼ #PÞ S ÌAW¼! ( È" ( ¼! # ß«'ßÑ Ã Þ Ï Ã " ( ~Ðé¼! ( 2 3) a) Describe the vegetative characters, floral characters and economic importance of Lamiaceae family. Ä É(¼ ( Ô PÞ (u( ²ß«' ÌAW¼! ( Ã Þ Ï Ã(0 ß«'ßÑ Ã Þ Ï Ã( È" ( ¼! # E PÞ ~ È" #T½ " ( È" a (È" #2 b) Write briefly on any three food plants. Which you have studied. È" ' a É " KÈ È" $ Þ ( EؾA ªa d È #PÞ SÃ( YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2

5 4) a) Write an essay on palynology. ß«¾AYÞ ¾ Ï ( ÌAßÔ YÞ ( b MPÞ Ðé½ßÔ ~Ðé¼! #È" #2 b) Describe the development of Endosperm and different types of Endosperm. 5) I. C. B. N. L2 Ô2 2 ¼! ( Œþ2 D PÞ (¾Þ a dþ È" # D È" É«é " È" # " ( È" ( ¼! # ÉÉ Þ ¾Þ PAà D PÞ (¾Þ a dþ È" #à YÞ ( b È" a (È" #2 SECTION-B Ô Þ * Answer any Eight questions. (8 x 5 = 40) KÈ J É( ~ß«Ì! ªÃPÞ ( ßÔÈ". é " È" #ÅÈ" #»2 6) Merits and Demerits of Bentham and Hooker s classification. ³ œþ ÐŒþ$ È" ( ¼! # ß.PÞ ¾ à È" À\PÞ ¾Þ Ï È" #Ä] ~ß«! Ã( È" ( ¼! # Ä] Ã(2 7) Economic importance of Fabaceae. ³ Ô E PÞ ~ È" #T½ 2 8) Floral parts of Capparidaceae. PÞ Ô ß«'ßÑ Ã Þ Ï Ã(2 9) Inflorescence in Asteraceae. EßÔw¾ Ô ß«'ßÑ É é½ßô 2 10) Groundnut. È ¾Þ (Ì! " YÞ 2 11) Ocimum. (à Ô2

6 12) Coriandrum. P Ê(¾Þ 2 13) Microsporogenesis. ßÔ.PÞ ˆ ÔÞ µi i " " 2 14) Structure of Embryosac. «Þ P Ì! ¾A»Ï È" #2 15) Polyembryony. ²ß ( «Þ 2 16) Coconut. P ² 2

7 (DSBOT 32) B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part - II : BOTANY Paper - IV : Plant Physiology, Cell Biology & Genetics Time : 03 Hours Maximum Marks : 100 SECTION-A Ô Þ * J Answer all questions. (4 x 15 = 60) D ª ~ß«Ì! ªÃPÞ ( iðé²(ã( ~Ðé¼! #È" #2 Each question carries 15 marks. ~ß«~ß«Ì! ªPÞ ( 59 È".¾Þ (SÃ(2 1) a) Describe the role of micronutrients in plant nutrition. È #PÞ Sà ßÑÏ Ä] ßÔ.PÞ ˆ ßÑPAà ~ " ( ÉÈ" a 2 b) Describe non-cyclic electron transport in photosynthesis. P ¾Þ Ï i " ½ßÔ ¼.YÞ P ¼! (Ä] Da P ¼! ( JÃ^PAt Œþ ¾Þ ÐéÏ " ( YÞ ( b ÉÈ" ß«'È" #2 2) a) What is oxidative phosphorylation? Describe electron transport system in aerobic respiration. EP ÖPÞ ¾Þ Ï Õ Ä ßÑ Œþ D " YA É(B Ðé¼! # ßÔ ÌAËßÔ P ¼! (Ä] JÃ^PAw Œþ ¾Þ ÐéÏ È" ½È" ßÔŸ " ( ÉÈ" ß«'È" #2 b) Write an essay on protein synthesis. ~ v Œþ ßÔ Ì ÇßÑÏ " ( YÞ ( b MPÞ Ðé½ßÔ ~Ðé¼! #È" #2 3) a) Write an essay on Nucleus. P ~Þ PÞ È" # R «MPÞ Ðé½ßÔ " ( ~Ðé¼! #È" #2 b) Describe structure, chemical composition and types of chromosomes. P È.j]È" #à ¾A»Ï 0 ¾Þ Õ ¼! ( PÞ ßÔ ß (u " È" ( ¼! # ¾Þ PAà " ( È" a (È" #2

8 4) a) Write an essay on Genetic code. i " (½ ßÔ P PÞ È" # R «MPÞ Ðé½ßÔ ~Ðé¼! #È" #2 b) Describe briefly on Linkage and crossing over. ßÔß ÃYÞ ª È" ( ¼! # É È" (¼! ( YÞ ( b PÞ (Çß«YA ÉÈ" a (È" #2 5) Osmotic potential. ~Þ Ðé ßÔ¾Þ Ï Ì! PÞ» 2 SECTION-B Ô Þ * Answer any Eight questions. (8 x 5 = 40) KRÈ é J É( ~ß«Ì! ªÃPÞ ( ßÔÈ". é " È" #ÅÈ" #»2 6) Factors affecting enzyme action. J Rj ÐŒþ$ a ¾Þ ½Ã " ( ~ß«É a Ô PA¾Þ PAÃ(2 7) C 4 cycle. C 4 È" ü! ( 2 8) Glycolysis. Y ÇP Å ÔŒÔ2 9) Respiratory quotient (R.q). ÌAËßÔ P ¼! ( P ßÑ sœý (R.q). 10) Auxins. EP Ö ŒþÃ(2

9 11) Germination of seeds. É éã( È #ÃP Þ 2 12) R. N. A. E¾ 2 ¼! ( Œþ2 K2 13) DNA Watson and Crick Model. 2 ¼! ( Œþ2 K ÐéuÖ Œþ È" ( ¼! # P P " È" $ é2 14) Cell membrane. PÞ Ï Ëa 2 15) Mendel s Laws of inheritance. È ( Þ ÌŒý D " (È" ÍPÞ Ô é È" #Ã(2 16) Mutations. H È" ¾Þ " È" #Ã(2

10 B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part II : ZOOLOGY Paper III : Animal Physiology, Ecology and Animal Behaviour (DSZOO 31) Time : 03 Hours Maximum Marks : 100 SECTION - A Answer All questions (Physiology) 1) a) Describe the different types of nutrition in animals. (18) i (È" 'ÃÄ] ÉÉ Þ ¾Þ PAà ßÑÏ É " È" # " ( YÞ ( b ÉÈ" ß«'È" #2 b) Give a brief account on types of respiratory mechanisms in mammals ¾Þ ÃÄ] YÞ Ã ÉÉ Þ ¾Þ PAà ÌAËßÔ P ¼!. É " È" #à " ( ÉÈ" a (È" #2 2) Answer any one of the following: (7) KR MPÞ P ßÔÈ". " È" # " ( ~È ¼! #È" #2 a) Vitamins ÉuÉ( Ã( b) Respiratory pigments ÌAËßÔ È" ¾Þ PAÃ( 3) a) Give an account on Osmoregulation (18) ~Þ Ðé ßÔ¾Þ Ï PÞ È" ( " ( YÞ ( b ÉÈ" a (È" #2 b) Explain Nephron structure and its functions ~ ¾A»Ï È" # È" ( ¼! # é É Þ (à " ( ÉÈ" a (È" #2 4) Answer any one of the following: (7) KR é MPÞ é P ßÔÈ". é " È" # ~Ðé¼! #È" #2 a) Formation of Nitrogen waste " ~ i È" ½¾Þ Ÿ ß«é¾AŸÃ( K¾Þ É«é " È" #

11 b) Structure of Neuron é PÞ Ï ¾A»Ï È" #2 SECTION - B Answer All questions (Animal Ecology and Animal Behaviour) 5) a) Give an account on Physiology of learning (18) D ½ßÔ " È" # YÞ ( b Ðé½ßÔÈ" # ~Ðé¼! #È" #2 b) Write an essay on Biological rhythms lè" È" ü!.à " ( YÞ ( b Ðé½ßÔÈ" # " ( ~Ðé¼! #È" #2 6) a) Describe environmental pollution (18) ß«¾A½È" ¾Þ Ï PAÃ(ßѽÈ" # " ( YÞ ( b ÉÈ" a (È" #2 b) Give an account on Wild life sanctuaries in India. ¾Þ Ì! È" #Ä] È" " ½~ Ï ßÔ ¾Þ Þ Ï P ~Þ È" #à " ( YÞ ( b ÉÈ" a (È" #2 7) Answer any two of the following: (2 7 = 14) ¾ v YÞ ( b PÞ (Çß«È" #YA ÉÈ" a (È" #2 a) Light PA b) Ecological Pyramids lðéè" ¾Þ Ï «¾Þ É( Ã( c) Commensalism ßÔß ]ipþ ËÈ" # d) Phosphorous cycle ßÔ±¾Þ ŒÔ È" ü! (È" #

12 B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part II : Zoology Paper IV : Aquaculture (DSZOO 32) Time : 03 Hours Maximum Marks : 100 SECTION - A Answer All questions 1) a) Give an account on Aquaculture and its importance status and production. [17] EPAËPÞ Ãd¾ ¼ #PÞ S ~ «é " ½ 0 Õ Ÿ " È" # È" ( ¼! # H é Þ PÞ " ( YÞ ( b ~Ðé¼! #È" #2 b) Write an essay on food and feeding habitats of freshwater fishes. È" ( b v a ß«Ã EØ¾Þ È" #0 ßÑPÞ EÐéÕ Ã YÞ ( b Ðé½ßÔÈ" # ~Ðé¼! #È" #2 2) a) Explain Bundh breeding. [17] ² ~ß«i " " È" # YÞ ( b ÉÈ" a (È" #2 b) Give an account on Hatchery production. Øa À H é Þ PÞ " ( YÞ ( b ÉÈ" ß«'È" #2 3) Write short notes on any two: [8 + 8 = 16] KRÈ é ¾ v YÞ ( b PÞ (Çß«È" #YA ~Ðé¼! #È" #2 a) Shell fishes PÞ ¾Þ ¾Þ lè" 'Ã( b) Productivity H é Þ PÞ c) Identification of fish eggs and larva a ß«Ã YÞ ( Þ (Ç È" ( ¼! #! PAà " ( YÞ ( a (u d) Preservation ÃË a ¼! # ß«Þ 2

13 SECTION - B Answer All questions 4) a) How do you develop a farm pond? Explain. [17] a ß«Ã a ¾Þ (È" 'à " ( JÄ D È" a Õ ¾Þ (B ÉÈ" a (È" #2 b) What is Food chain? How the productivity is increased in a pond? EØ¾Þ ß«' Y Ã(ßÔ( D " YA É(B a ß«Ã a ¾Þ (È" 'ÃÄ] H é Þ PÞ " ( JÄ «a ( é¾þ (B 5) a) Write about viral and bacterial diseases of fishes. [17] a ß«ÃÄ] PÞ Ã(YÞ ( RÈ ¾Þ ŒÔ0 ³ ½P w ¼!. Ðé½ Þ (à " ( YÞ ( b ÉÈ" a (È" #2 b) What are fishing crafts and gears? Explain in detail. a ß«Ã ßÔ È" ¾Þ " È" #Ä] Hß«¼.Z a ÉÉ Þ ¾Þ PAà éè" Ã(0 È" Ãà " ( YÞ ( b ÉÈ" a (È" # 6) Write short notes on any two: [8 + 8 = 16] KRÈ é ¾ v YÞ ( b PÞ (Çß«È" #YA ~Ðé¼! #È" #2 a) Processing and transport. ~ Ô Ô Y È" ( ¼! # ¾Þ ÐéÏ b) By products Hß«H é Þ PAÃ( c) Coastal aquaculture P Õ š¾þ ß«' EPAËPÞ Ãd¾ d) Seed transport É " ¾Þ ÐéÏ

14 B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part II : CHEMISTRY Paper III : Inorganic, Organic and Physical Chemistry (DSCHE31) Time : 03 Hours Maximum Marks : 100 SECTION A Answer All Questions (4 15 = 60) 1) a) Explain Job s method to determination of Complexes. gê³ ß«Þ ßÔ ÍÇßÑw ßÔÈ (»Ú! éã ¾Þ ¾ # a (uä] ÉÈ" ß«'È" #2 b) Explain hydrolysis of phosphorous oxides. ßßÔ ¾Þ ŒÔ EP Ö Ã iãéì ÇßÑÏ " ( ÉÈ" ß«'È" #2 c) Explain the classification of Hard and soft acids and bases. È" ( Þ ( È" ( ¼! # PÞ y " EÈ" (Ç* A¾Aà È" À\PÞ ¾Þ Ï " ( ÉÈ" ß«'È" #2 d) Explain toxicity of pb in biological systems. pb ¼ #PÞ S ÉßÑß«Q " ( YÞ. d PÞ (Çß«YA ~Ðé¼! #È" #2 2) a) Explain tautomerism of nitroalkenes leading to aci and keto form. R ~v]eä S à sêv]è ( iè (à J Ô È" ( ¼! # P v] ¾Þ. ¾Þ " ( YÞ. d ÉÈ" ß«'È" #2 b) Explain Carbylamine reaction. PAR¾ ÃÊ( a ¾Þ ½ " ( ÉÈ" ß«'È" #2 c) Briefly explain the structure of pyridine «¼ #PÞ S ¾A»Ï PÞ (Çß«YA ÉÈ" ß«'È" #2 d) Discuss the pyranose structure R «¾Þ j ¾A»Ï " ( YÞ. d a d ß«'È" #2 3) a) What are epimer and explain. J «È" (¾ Ã( D " YA É( È" ( ¼! # ÉÈ" ß«'È" #2

15 b) Explain Ruff s degradation. ¾Þ Œ Ö ßÔ ß ( " " ( YÞ. d ÉÈ" ß«'È" #2 c) Briefly explain ampholoric character of amino acids. JÉ( EÈ".Çà ËßÔË êè" YÞ (Ï " ( YÞ. d PÞ (Çß«YA ~Ðé¼! #È" #2 d) Discuss spin-spin Coupling. Ô * Ô PÞ «Å Y " ( a d ß«'È" #2 4) a) Derive differential method. Differential ß«Þ ¾A²u(wÈ" #2 b) Explain interaction of radiation with matter. ß«é¾Þ Ÿ HßÑ ¼ #PÞ S a ¾Þ ½ " ( ÉÈ" ß«'È" #2 c) What are thermodynamic quantities. HßÑ YÞ PÞ ~ß«È".Ï Ã( D " YA É(2 d) Give energy transfer process with an example. Ì! P ~ß«Ðéß ß«Þ MPÞ H éß ¾Þ Ï ÉÈ" ß«'È" #2 SECTION B Answer any Eight of the following (8 5 = 40) 5) Explain Valence bond theory in complex compounds. È Ã Ö² Þ Ô é " ( ßÔ ÍÇßÑwßÔÈ (»Ú! éãä] YÞ. d ÉÈ" ß«'È" #2 6) Write notes on stereoisomerism exhibited by compounds with Co-ordination number 6. ßÔÈ" ( " ˼! (ßÔ T½ : YÞ ÃßÔÈ (»Ú! éãä] ~ É(š¼! ( Õ Þ Ì! ½ " ( YÞ. d ÉÈ" ß«'È" #2 7) What is the importance of cobalt in biological systems. lðéè" ¾Þ Ï È" ½È" ßÔŸÄ] P»êÄ w ¼ #PÞ S ~ " ( ÉÈ" ß«'È" #2 8) Distinguish between alkylnitrites and nitroalkenes. ERÄ SÄ R ^Rv v à È" ( ¼! # R ~v]eæs à È" ½ é½ßôè" #à " ( Ã(ß«'È" #2

16 9) Write note on nef reaction with mechanism. Œ a ¾Þ ½ " ( È" ( ¼! # a ¾A½É«é ª ~Ðé¼! #È" #2 10) Discuss the properties of pyridine. «¼ #PÞ S Þ ¾A»Ã " ( YÞ. d a d ß«'È" #2 11) Discuss the mechanism involved in glucosazone YÞ.ÇPÞ j] Ä] a ¾A½É«é ª a d ß«'È" #2 12) Write a brief note on Isoelectric point. ßÔÈ" (ÉÞ (½ Õ Ÿ " YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2 13) What are equivalent and Non-equivalent positions. ßÔÈ" ( È" ( ¼! # DßÔÈ" ( Õ Ÿ " Ã( D " YA É(B 14) Derive an expression for the rate constant of a first order reaction. ~ß«œÞ È" ( PÞ È". PÞ a ¾Þ ½¾ u( ÔŸ¾A PÞ PÞ ( MPÞ ßÔÊ(PÞ ¾Þ Ï ~Ðé¼! #È" #2 15) State and explain second law of thermodynamics. HßÑ YÞ PÞ ÌAßÔ ¾ Þ È" ¼! (È" (È" # " ( Å «ÉÈ" ß«'È" #2 16) Explain Joule-Thomson effect. jrä * é ß«Ö ¼! (È" (È" # " ( ÉÈ" ß«'È" #2

17 (DSCHE 32) B.Sc. DEGREE EXAMINATION, MAY (Examination at the end of Third Year) Part II : CHEMISTRY Paper IV : Drugs and Polymer Chemistry Time : 03 Hours Maximum Marks : 100 SECTION A (4 15 = 60) Answer All Questions 1) a) Explain the methods of extracting drug from plants. È #PÞ Sà " ( OßÑ«éà " ( ßÑS a ( É«é " È" # " ( ÉÈ" ß«'È" #2 b) What are pain killers? Write the synthesis of chloroform.»ê Þ Ðé¾Þ Ï (Ã( D " YA É(B P Ǿ ßÔ Ì ÇßÑÏ " ( ~Ðé¼! #È" #2 c) Write the uses of Nitro diazopoxide. R ~v]r Jj] P Ö ¼ #PÞ S Hß«¼.YAÃ( ~Ðé¼! ( 2 d) Write the synthesis of Quinine. P ËR ¼ #PÞ S ßÔ Ì ÇßÑÏ " ( ~Ðé¼! #È" #2 2) a) Write the synthesis of and uses of sulpha methazine. ßÔÌê±É( œþ k ¼ #PÞ S ßÔ Ì ÇßÑÏ È" ( ¼! # Hß«¼.YÞ È" #à " ( ~Ðé¼! #È" #2 b) Explain the antibiotic applications of tetracycline. v ~sêr ÔP Ç ¼ #PÞ S E v ²¼.v P D " (È" ¾Þ éã( ~Ðé¼! ( 2 c) Write the structural formulae of Vitamin B, C and D. ÉuÉ( B, C È" ( ¼! # D ¼ #PÞ S ¾A» ê»pþ Õ P PAà " ( ~Ðé¼! ( 2 d) Explain the function of Thyroid gland in human body. È". " È" Ì! À¾Þ Ä] Rœ ¾A¾ # YÞ ¼ #PÞ S ~ß«È (¼! (È" # " ( ~Ðé¼! ( 2 3) a) Briefly explain classification of polymers. ÅÈ" (¾ à ¼ #PÞ S È" À\PÞ ¾Þ Ï " ( PÞ (Çß«YA ~Ðé¼! #È" #2 b) Explain the uses of Ziegler -Natta catalysis. lyþ Ǿ * éu H~ ¾Þ Ï ¼ #PÞ S Hß«¼.YAÃ( ~Ðé¼! #È" #2

18 c) Write short notes on poly Isoprenes. Å LÕ ~ «Ã YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2 d) What are plastics? Explain. Ç ÔwP Ã( D " YA É(B ÉÈ" ß«'È" #2 4) a) What are phosphorous based polymers? Explain. ßßÔ±¾Þ ŒÔ E«é¾Þ YA H ÅÈ" (¾ Ã( KÉB ÉÈ" ß«'È" #2 b) Write short notes on polypentadiene rings based polymers. Å «v R ¾ # È" ü! ( ÅÈ" (¾ à YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2 c) Explain types of polymer degradation. ÅÈ" (¾ à ÉÉ Þ ¾Þ PAà îüï " ( ÉÈ" ß«'È" #2 d) What is hydrolytic degradation of polymers. ÅÈ" (¾ à R ~ RÄ v P îüï D " YA É(2 SECTION B (8 5 = 40) Answer any Eight of the following 5) What are the drugs derived from bacteria?»êmîüt ¼!. " ( H D¼ (½ OßÑ éã " ( Ã(ß«'È" #2 6) Briefly explain the synthesis of Asprin. EßÔ ¼!.À ßÔ Ì ÇßÑÏ " ( PÞ (Çß«YA ~Ðé¼! #È" #2 7) Write the preparation of Nitro azopoxide. R ~v] Jj] P Ö ¼!.À PÞ (Çß«YA ~Ðé¼! #È" #2 8) Explain the uses of pathidrine. œþ ~ ¼ #PÞ S Hß«¼.YÞ È" #Ã( ÉÈ" ß«'È" #2 9) Write the applications and uses of streptomycin. ^ Ôw wrè ( Ô ¼ #PÞ S D " (È" ¾Þ éã( È" ( ¼! # Hß«¼.YÞ È" #Ã( ~Ðé¼! #È" #2 10) What are the harmones released by pancreas and give its functions on humans. P ÇÈ" ( YÞ É Þ (Þ Ã a Ô Ø¾» " Ç " ( Å «È" ( ¼! # È". " È" ' ¼! ( Þ ( é ¼ #PÞ S É Þ (à " ( Ã(ß«'È" #2

19 11) Write the effect of crystalinity on the properties of polymers. ÅÈ" (¾ Ã Þ ¾A»Ã " ( é ¼ #PÞ S ßÔ±v PÞ Ë ¼ #PÞ S ~ß«êÈ" " ( PÞ (Çß«YA ~Ðé¼! #È" #2 12) Explain Ziegler Natta catalysis. lyþ Ǿ * éu H~ ¾Þ Ï " ( YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2 13) Write the chemistry of polystyrene polymers. Å Ô w ÅÈ" (¾ à YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2 14) What are fibres? Explain. R ²¾ Ã( D " YA É(B ÉÈ" ß«'È" #2 15) What are electrometric materials? Explain. JÃ^P wè (~v P ßß«é¾A Ã( D " YA É(B ÉÈ" ß«'È" #2 16) Write short notes on elastomeric fibre forming materials. Elastomeric fibre forming ß«é¾A Ã( YÞ ( b PÞ (Çß«YA ~Ðé¼! #È" #2