Balochistan Public Service Commission
SAY NO TO CORRUPTION
COMPETITIVE EXAMINATION FOR THE POSTS OF
ASSISTANT COMMISSIONER B-17 / SECTION OFFICER B-17 IN THE S&GAD DEPARTMENT
ZOOLOGY
Total Marks 150 December 08, 2016 Time Allowed 03 Hours
NOTE: Attempt any Five questions. Question No.1 is Compulsory. All questions carry equal marks. Draw neat and labeled diagrams if required.
Q No.1 Distinguish and define any TEN
i Flame cell — Malpighian Tubule
ii Benign Tumor — Malignant Tumor
iii Tentacles — Denticles
iv Setae — Parapodia
v Radula — Aristotle’s lantern
vi Autosome — Chromosome
vii Parthenogenesis — Parthenocarpy
viii Oviparous — Viviparous
ix Artery — Vein
x Fovea — Blind spot
xi Synapse — Synapsis
xii Exocrine — Endocrine
xiii Sarcolemma — Sarcomere
xiv Nucleoside — Nucleotide
xv RNA — DNA
Q No.2 a How Metamorphosis helps the Insects to complete the Life Cycle.
b Briefly discuss polymorphism in coelenterates.
Q No.3 a Elaborate the process of Reproduction in Porifera.
b How Nematodes affect human health? Give at least three examples.
Q No.4 a Describe the structure of Mitochondria and compare its Physiology with Endoplasmic Reticulum.
b Briefly Discuss Plastids and their properties.
Q No.5 Write an Essay on Aerial adaptations in Birds.
Q No.6 a What Specific role is played by Thyroid gland and Pancreas in Human.
b Compare Chemical and Nervous Coordination.
Q No.7 a How Hemichordates act as a link between Echinoderms and Chordates?
b Differentiate Protozoa from Metazoa.
Q No.8 Discuss chromosomal and Gene Mutation.
Q No.9 a Elaborate the structure of three types of Muscle tissue in mammals.
b Briefly describe the role of Digestive glands in Man.
Q No.10 Write brief note on any two
i Single Circulation Heart
ii Lethal Genes
iii Sex Linked Inheritance
iv Crown gall disease
Good Luck
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