Questions for 18 July ZOOLOGY
Q:-1 What are the various modes of respiration in Arthropods. Explain the tracheal mode of respiration with suitable diagrams. (20) Q:-2 What is mutagenesis? Give the name of various chemical mutagens, explain mechanism also. (15) Q:-3 Discuss various types of chromosomal abbreviations. Explain their significance also. (15) Q:-4 How mutation play an active role in Cancer? What is nonsense mutations, compare it with sense mutations. (15) Q:-5 Comment on various types of mouth modification in insects, with suitable diagrams. (20)