Questions for 09 July Zoology
Q:-1 Describe the characteristics of Phylum Porifera. Classify the phylum upto subclasses.(20) Q:-2 Compare the Chromatin and heterochromatin. How mammalian heterochromatin different from others lower vertebrates. (15) Q:-3 Discuss the reproduction in porifera. (10) Q:-4 What is giant chromosome? Discuss its various types. Comment on giant chromosome present in maize. (20) Q:-5 Compare the organization of DNA in prokaryotes and eukaryotes. What are the various kinds of movement shown by chromosomes? (20) Q:-6 Discuss the skeleton of porifera. Briefly explain canal system. (15)