zoology Arena

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 Discuss the characteristic features of phylum Protozoa. Classify the phylum upto subclasses.(20) Q:-2 Discuss the locomotion in protozoans. Add note on various types of locomotive organs. (20) Q:-3What is protein targeting? Describe the retrograde mode of transportation. (10) Q:-4 What is the protein folding? How it is regulated? Briefly discuss its significance. (15) Q:-5 Discuss various modes of Nutrition in protozoans. (10) Q:-6 Comment on the reproduction in protozoa. Discuss various types of parthenogenesis. (15) Q:-7 Compare the process of O- linked glycosylation and N linked glyco...

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...