Questions for 09 August zoology
  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)