problem 1:
a) Give an account on the common characters of Hemichordata.
b) prepare brief notes on:
• Cephalochordata.
• Chordates general characters.
problem 2:
a) prepare an essay on the migration of fishes.
b) prepare brief notes on
• Poisonous snakes.
• Classification of amphibian.
problem 3:
a) describe the importance of Archoeopteryx.
b) prepare brief notes on:
• Common birds of India
• Flightless birds.
problem 4:
a) prepare an essay on the aquatic adaptations in mammals.
b) prepare brief notes on:
• South Indian mammals
• Adoptive radiation in mammals.
problem 5:
a) What do you mean by cleavage? Give an account on patterns of cleavage.
b) prepare brief notes on:
• Oogenesis.
• Germ layers.