Balochistan Public Service Commission
COMPETITIVE EXAMINATION FOR THE POSTS OF SECTION OFFICER B-17 IN THE S&GAD
July 28, 2001
ZOOLOGY
Marks 150 Time Allowed 03 Hours
Note
i Attempt any FIVE questions selecting at least ONE from each section
ii All questions carry equal marks
iii Draw neat and fully labeled diagrams wherever necessary
SECTION – I (NON CHORDATA)
Q 1 a Discuss different types of Parasitic Protozoa (15+15)
b Give an account of Reproduction in sponges
Q 2 a Discuss the character and classification of Phylum Annelida up to class
b Write an Essay on Insects and Diseases (15+15)
Q 3 a Discuss typical types of Foot in molluscs (15+15)
b Differentiate between Symbiosis and Parasitism
Q 4 Write notes on any THREE of the following (10+10+10)
i Polymorphism
ii Comparison of Polyps and Medusa
iii Corals and Coral Reefs
iv Economic and ecological value
SECTION – II (CHORDATA)
Q 5 a Look into the representative position of Phylum Chordata and trace evolutionary links to their separation from Hemi-chordates (15+15)
b Discuss briefly with examples the flight adaptation in Birds
Q 6 Write short notes on any THREE of the following (10+10+10)
i Primates
ii Pathognomonics of Mammals
iii Distinction between Stony and Cartilaginous Fishes
iv Structure and function of Nephron
SECTION – III (PRINCIPLES OF BIOLOGY)
Q 7 Define digestion explain how protein and carbohydrates are digested in mammals (15+15)
Q 8 Give an account of structure of Mitochondria with special reference to Electron transport chain (30)
Q 9 Write notes on any THREE of the following (10+10+10)
i Structure of Cell
ii Cell cycle G1 to S
iii Structure and function of DNA
iv Distinction between Food Chain and Food Web
THE END
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