zoology Arena

Week-5 Instructions:- There are SEVEN questions divided in Two sections. All questions are compulsory. Adhere to world limit wherever specified. The number of marks carried by a question is indicated against it.                              Paper I Q:-1 Write Notes on the following in about 150 words each: (10X5 =50) a) Aging and Growth b) Epidemiological Anthropology c) Turner syndrome d) rDNA technology e) Biochemical basis of ABO blood group Q:-2 (a) Define Mendelian character. Describe the experiment done by Mendel and their outcomes. (20) (b) Discuss the factors affecting growth and development among human population. (15) (c) Discuss the hormonal basis of female reproductive cycle. (15) Q:-3(a) Describe polymorphism in human population at genetic level. (10) (b) Discuss the response and adaptations of human population towards various ecological habitats. (20) (c) Give any 4 diseases caus...

Q:-1 Describe navigation in fishes and birds. Explain its urge and control also. (20) Q:-2 What is vitamin? With suitable example describe different types of it. Describe the biosynthesis of Vitamin - D. (20) Q:-3 Define co-enzymes. How they are regulating the activity of enzymes? Describe with suitable examples. (15) Q:-4 What is FAP? How it is controlling development in various animals? (10) Q:-5 Describe various types of Biological clock. (20)

Q:-1 What is a chemical messenger ? Discuss its roles. (12) Q:-2 Define crypsis. How is it different from mimicry? (12) Q:-3 How do enzymes works? Discuss various types of inhibition mechanism with appropriate examples. (20) Q:-4 Classify the enzymes? Describe what is E. C number of an enzyme. (15) Q:-5 Discuss the role of hormones in drive. (20)

Q:-1 How the hormones are classified? Give the mechanism of action of each type of hormone class. (15) Q:-2 Explain iodine trapping. Give its physiological implications. (10) Q:-3 What are various methods to studying animal behaviour? Discuss the role of maze. (20) Q:-4 Discuss kinship and altruism. How they are significant in sustaining the herd? (15)

Q:-1 Describe the TCA cycle. Discuss its regulation. (20) Q:-2 Explain conditioning by taking Pavlov experiment as an example. (15) Q:-3 What is substrate level phosphorylation? Describe the structure and significance of cAMP.(15) Q:-4 Demarcate between learning and memory. Add note on long term and short term memory  (20) Q:-5 Compare the habituation and imprinting, which one has high importance and why? (10) Q:-6 Discuss ATP cycle in brief. Explain production of ATP other than in mitochondria. (15)

Q:-1 Describe the digestion of lipids. Give various physiological implications if process get impaired. (15) Q:-2 Give the significance of remote sensing in studying biodiversity. How we can regulate its misuses. (20) Q:-3 Give the synthesis of steroid hormones. Explain its regulation. (15) Q:-4 What is nucleic acid? Discuss experimental proofs, establishing DNA as genetic material . (20) Q:-5 What is protein turn over? How ubiquitination maintained by cell? (10)