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Posted Date: 05 Jul 2008 Posted By:: richa Member Level: Silver Points: 5 (Rs. 1)
2006 Banaras Hindu University B.Sc Zoology b.sc (hons)part 3 examination 2006 Question paper
paper-FUNCTIONAL ANATOMY OF NON CHORDATES
FULL MARKS 75 TIME 3 HOURS
ANSWER 5 QUESTIONS INCLUDING QUESTION 1 WHICH IS COMPULSORY.
illustrate your answer with suitable diagram wherever necessary.
1(A)state weather the following statements are true or false giving reason in 2-3 sentences:
(a)all non chordates are invertebrates where as all invertebrates are not non chordates. [marks4*2]
(b)central nervous system in vertebrates is solid.
(c)Euglena undergoes transverse binary fission.
(d)sol-gel theory for amoeboid movement was given by Dellinger
(B)define the following [marks 5*1]
(a)metamerism (b)coral reefs (c)zooids (d)osphiridium (e)diplerula
(C). draw a neat well lebelled diagram to show various stages in development of the medusa in obelia [marks 2]
2.give an account of origin of metazoa[marks 15]
3.describe the types of coelom in different invertebrate groups comment upon significance of coelom [marks 15]
4.describe the life history of Taenia solium with the help of suitable diagrams [marks15]
5. describe the different modes of reproduction of protozoa[ marks 15]
6.write short notes on any three of the following [marks3*5]
(a)Trochophore larva and its significance
(b) zoological importance of Peripatus
(c)salient features of a ctenophore
7.Enumerates the salient features of the phylum arthropoda.give an outline classification of the phylum up to classes ,giving distinguish features of each class[marks15]
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