Zoology optional paper 2019









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Environment & Ecology JULY Week-1

Nipah virus The Nipah virus infection is a newly emerging  zoonosis , that is, a disease transmitted from animals to humans  as stated by the WHO . The virus belongs to a new genus termed Henipavirus (subfamily Paramyxovirinae). It was first reported in 1998 at  Kampung Sungai Nipah  village, Malaysia. So virus is named after this village. The natural host of the virus are  fruit bats (Pteropus giganteus)  belonging to the family Pteropodidae.  In 2004, humans were affected after eating the date palm contaminated by infected fruit bats. Pigs can also act as intermediate hosts. Natural host  are those animals in which pathogens reside naturally and not infecting them. Here they grows upto a certain stage of their life cycle. Intermediate hosts  are those in which pathogens reside and not causing harm to them and here they are in inactive state i.e not growing further. Primary host  are those in which pathogens...
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Invertebrate Zoology By Brusca and Brusca

"Invertebrates" 2nd edition presents a modern survey of the 34 animal phyla (plus the Protista) and serves as both a college course text and a reference on invertebrate biology. It is organized around the themes of bauplans (body plans) and evolution (phylogenetics). Detailed classifications, phylogenetic trees, and references for all phyla are provided. The text is accompanied by detailed line drawings and - new to this edition - four-colour photographs. Other key changes from the 1st edition (1990) include: the incorporation of all the new developments in phylogenetics, developmental biology and molecular genetics; major changes at the highest levels among the invertebrates; three phyla that appeared in the original book Pentastomida, Pogonophora and Vestimentifera no longer exist, and an entire new phylum, Cycliophora, has been erected. Moreover, this edition discusses recent work in molecular systematics, and there is a large new section on "Kingdom Protista" (...
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Questions for 07 July Zoology

Instructions · All questions are compulsory. · Adhere to world limits wherever specified. · Draw neat and well labelled diagrams. No beautification required. · Don’t use colour pens only pencil colour if you are an extraordinary student. · Try to finish all questions within 2 hours in written. · Answers will be reviewed every day at 9 pm. Q:-1 Compare the process of mitosis and meiosis. What are the Cyclins. (20) Q:-2 What is mitotic apparatus? Describe its cycle.(15) Q:-3 Explain the general feature and life cycle of  Plasmodium . Compare the various species specific febrile paroxysm. (20) Q:-4 What is Rb protein? How it regulates cell cycle? (10) Q:-5 Give the morphological features of Leishmania . Discuss its life cycle and briefly explain its pathogenesis. (20)
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Questions for 13 July Zoology

Q:-1 Discuss the characteristic features of phylum Nemathelminthes. Classify the phylum upto Sub classes. (20) Q:-2 Enlist all essential requirements for Translation. How GTP plays regulatory role in process of translation. (10) Q:-3 Compare the process of translation in eukaryotes and prokaryotes. Briefly describe wobble hypothesis. (15) Q:-4 Discuss the life cycle of Wuchereria. Comments on its parasitic adaptations. (20) Q:-5 Discuss the genera features life cycle of Ascaris. Comment on its pathogenic capability and prophylaxis. (20)
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