Bangalore University 2006 B.Sc Zoology -iii - Question Paper

PART-A(ans any five-3*5=15)
1.describe the externals of balanoglossus.2.write a note on the accessory respiratory organs of clarias.
3.draw a neat labelled diagram of the hyloid apparatus of frog.4.classify residing amphibians with examples.
5.mention any 6 interesting features of crocodile.6.mention the economic importance of reptiles.
PART-B(5*5=25)
1.write a note on the origin of reptiles.
2.list any ten differences ranging from petromyzon and myxine.
3.enumerate any ten general characters of pisces.
4.mention general adaption in snakes.
5.describe the digestive system of frog.
6.with a neat labelled diagram,describe the buccal cavity of frog.

PART-C(10*2=20)
1.what is migration?explain anadromus and catadromous migration with suitable examples.
2.write an essay on parental care in amphibia.

Earning:   Approval pending.