Answer the following problems.

problem 1) Describe organization of coelome in invertebrates.

problem 2) Comment on hydrostatic moment in annelid and echinodermata.

problem 3)prepare a detailed account on aerial adaptations with ex.

problem 4) Describe energy flow in an ecosystem with suitable energy models.

problem 5) Give an account of osmoregulation in aquatic animals.

problem 6) describe the regulatory mechanisms in circulation in animals.

problem 7) Describe classification and structure of proteins.

problem 8) Discuss the synthesis and metabolism of nucleic acids.

problem 9) prepare an essay on arthropod vectors.

problem 10) prepare an essay on host-parasite relationships.

problem 11) Comment on social behaviour in honey bees.

problem 12) describe Instinctive behaviour in animals.

problem 13) Give a detailed note on molecular structure of chromosome.

problem 14) describe the fine structure of the gene with suitable ex.

problem 15) Give a detail account on process of cleavage.

problem 16) Discuss the mechanism of neurulation and gastrulations with suitable ex.