Questions for 24 July zoology
Q:-1 Explain the metamorphosis in Urochordata. Discuss its peculiar systematic position and affinity with invertebrates. (20) Q:-2 Give the affinity and characteristic features of Balanoglossus. (15) Q:-3 What is neurotransmitter? Explain is signalling mechanism. Describe various types of signalling molecules. (20) Q:-4 What is apoptosis? Describe the role of Bcl-2 family in apoptosis. How mitochondria is regulating process of apoptosis? (15+5) Q:-5 Discuss the implications of impaired signalling pathways. How biotechnology can play a role in it? Describe any one common congenital disorder due to impaired functioning of Signalling pathway. (20)