zoology Arena

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Q:-1 write down any 5 diseases caused by helminths in humans. Discuss one of them briefly.(15) Q:-2 How dosage compensation occurs in drosophila and C elegans. Describe lyonn hypothesis in humans.(15) Q:-3 how inversion is different from translocation give their significance and write down any 2 disease caused by them. (15) Define Mutagenesis and mutagens. Describe various type of mutagens and their actions.(20)

Q:-1Define clade. give its significance. What is BLAST? (15) Q:-2 What is protein targeting? How protein targeting done to the plasma membrane? (20) Q:-3 Give the ultrastructure of ER. Compare the structure and function of smooth ER and rough ER with diagrams.(20) Q:-4 How Assembly of microtubule is achieved? Explain the role of microtubule in mitosis.(15)

Q:-1. Define bioremediation. Discuss Its various ways. Briefly describe its significance.(15) Q:-2. Explain various factors influencing the population dynamics in a particular geographical area. (15) Q:-3. What is remote sensing how it is useful in controlling the various natural calamities? Describe its significance in conservation of nature and environment.(15) Q:-4. Enlist all the enzymes involved in translation. Describe the salient features of genetic code.(15)

Q:-1. Discuss the various methods to study animal behaviour. Explain the role of Maze in the study of behaviour of mouse. (20) Q:-2. Differentiate between crypsis and mimicry. Discuss its evolutionary significance. (20) Q:-3 What is protein sorting? Discuss its significance and various ways in which proteins are sorted. (20) Q:-4 Describe the structure of lysosomes. (10)

Q:-1 Describe the various types of a stem cells based on their sources. Discuss its significance.(20) Q:-2. Define ontology. Describe the biogenetic law. (15) Q:-3. Explain the function of Aortic arches discuss its evolution with suitable diagrams. (20) Q:-4. Discuss various types of hard derivatives of integumentary system. (10) Q:-5. With suitable diagrams compare the functioning of mammalian and reptilian ear.