zoology Arena

Q:-1 Describe blastogenesis. Discuss the role of morphogens to establish the body axis in Drosophila . (20) Q:-2 Compare the life cycle of Obelia and Aurelia . Describe alteration of generation in them. Q:-3 Discuss the parasitic adaptations of F.hepatica and T. Solium . (10)

Q:-1 Discuss about process of capacitation. Why it is significant. (15) Q:-2 Give the status of porifera, why parazoa exist? (15) Q:-3 Discuss various theories of locomotion in phylum Porifera. (20) Q:-4 Describe reproduction in monocystis and Plasmodium . (15)

Q:-1 Give the working of ELISA test and it's significance. (10) Q:-2 What is Chromosome walking differentiate it with chromosome painting. Elaborate the procedure and its their significance. (20) Q:-3 Give the physiology of menarche and menopause. (15) Q:-4 How germ cell development occur at embryonic stage in human. Compare the process of oogensis and spermatogenesis. (15)

Q:-1 Give the working of spectrophotometers. Describe its significance.(10) Q:-2 With suitable diagrams explain the working of electron microscopy. (10) Q:-3 Give the physiology of Vision in human.(20) Q:-4 What is the molecular mechanism of olfaction? (10) Q:-5 Give the structure of ear and explain the process of hearing.(20) Q:-6 Compare the working of phase contrast and fluorescent microscopes. Give their significance and limitations also. (20)

Week-6 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) Biological clock b) Eugenics c) Demographic transition d) mtDNA and it's use in anthropology e) Role of hormones in Maturity Q:-2(a) What is genetic markers and why they are useful. (10) (b) Discuss how lamarck tries to put forth concept of evolution? (10) (c) What do you understand by genetic load in a population? If human growth is under genetic control, why environmental factors influencing it? (20) 3(a) Discuss the relevance of ageing and senesces? What is the molecular basis of cell death? (20) (b) Give the hormonal control of fertility in male and female. (15) (c) Compare...

Q:-1 Discuss the mechanism of working of ionotropic and metabotropic receptors. Describe the regulation of Neurotransmitters. (20) Q:-2 Enlist various neurotransmitters and their functions. Give the molecular mechanism of NMJ. (20) Q:-3 What is mean and mode? Give the conditions for satisfying null hypothesis. (10) Q:-4 What is t-test and F-test? Why they are significant  in computational biology? (10)