zoology Arena

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)

Q:-1 What is the Importance of designing experiments. (10) Q:-2 Compare between correlation and regression. Give their significance. (20) Q:-3 Give the ultra structure of muscle. Elaborate the molecular mechanism of muscle contraction. (15) Q:-4 Define rigor mortis. How exercise impacting the strength of muscles. (10)