ZOOLOGY – 2003, PAPER – I, SECTION A

                      Time Allowed: Three Hours     Maximum Marks: 200

Compulsory should attempt Questions 1 and 4 which are compulsory, and any THREE of the remaining questions selecting at least ONE question from each Section.

SECTION A

1.       Write briefly on any Four of the following in not more than 150 words each:

(a)    Bilateral symmetry

(b)   Compare the brain of fish with that of mammal.

(c)    Trochophore larva

(d)   Gonadal hormones in man

(e)   Structure and functions of uriniferous fubules.

2.       (a) Discuss the affinities and phylogenetic considerations of Hemichordata.

                    (b) Give the salient features of the phylum Annelida and classify the same up to classes citing distinguishing characters and examples.

3.       (a) Give a detailed account of reproduction in Protozoa.

                    (b) Discuss the salient features and canal system in sponges.

4.       Describe with illustrations the structure and working of mammalian eye.