Balochistan Public Service Commission
Samungli Road, Quetta Cantt
COMPETITIVE EXAMINATION FOR THE POST(S) OFÂ
SECTION OFFICER (B-17) IN THE S&GAD DEPARTMENT OF BALOCHISTAN
ZOOLOGY
Marks 150 April 4, 2012 (9:30 AM) Time 03 Hours
Note
i Attempt any Five Questions selecting at least One Question from each section
ii Draw neat and ready fully Labeled Diagrams wherever necessary
SECTION-I (Non-Chordata)
Q No.1 a Describe in detail the General Features of Phylum Protozoa and give the Reproduction of Paramecium Caudatum (20)
b Give types of Spicules on the basis of chemical composition (10)
Q No.2 a What are the salient features of Phylum Platyhelminthes name and characterize the classes of the phylum (20)
b Describe Morphology of Sycon (10)
Q No.3 a Describe different types of Foot in Mollusca (20)
b Give an account of Polymorphism in coelenterates (10)
Q No.4 Write short notes on any Two of the following (15×2)
i Water vascular system of Starfish
ii Comparison of polyps and Medusa
iii Metamorphosis in Insects
SECTION-II (Chordata)
Q No.5 a Give an account of basic fundamental anatomical characters of chordates and describe various theories about the origin of Chordates (20)
b Describe the Blood Vascular System of Amphioxus (10)
Q No.6 a Write down the General Characters of class Amphibia (15)
b Give an account of sexual behavior of Receptors (15)
Q No.7 Write Notes on any Two of the following (15×2)
i Prototheria and Metatheria
ii Digestive System of Uromastix
iii Evolution of Heart
SECTION-III (Principles of Biology)
Q No.8 Define an Ecosystem, write down in detail the different components of Ecosystem and their role with suitable examples (4+26)
Q No.9 a Describe various Stages of Prophase-I (15+15)
b Write down the function of Mitochondria and Draw a neat and labeled diagram
Q No.10 Write Notes on any Three of the following (10+10+10)
i Law of Independent Assortment
ii Fauna of Balochistan
iii Nitrogen cycle
iv Stages of Mitosis
THE END
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