PMS Zoology Paper 2


PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION
FOR RECRUITMENT TO THE POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC
ZOOLOGY (OPTIONAL) PAPER-II
TIME ALLOWED: 3 HOURS                                 MAXIMUM MARKS: 100
Note: Attempt ONE Question from each Section.
SECTION-A
Q.1:     What is Transcription? Explain its detailed account in Prokaryotes. (20)
Q.2:     (a) Explain various steps involved during Krebs cycle.               (10)
(b) Discuss generalized and specialized functions of various types of Endoplasmic Reticulum.   (10)
SECTION-B
Q.3:     What happens to food in Intestine? Explain the role of various parts and Secretions.          (20)
Q.4:     (a) What is Hypophysis? Explain its role in hormonal coordination. (10)
(b) How CO2 is transported in higher animals?                           (10)
SECTION-C
Q.5:   (a) Explain Law of Independent Assortment with an example from plant or animals.          (10)
(b) What is Point Mutation? Discuss various types with examples. (10)
Q.6:     (a) Prove Experimentally that DNA is Heredity Material.              (10)
(b) How sex is determined in various group of animals? Discuss various methods. (10)
SECTION-D
Q.7:     (a) Explain salient features of Darwinian hypothesis of Natural Selection.   (15)
(b) Write note on concept of Species.                                       (05)
Q.8:     What could be the possible mechanisms by which life may have evolved on this earth? Support your answer with experiments. (20)
SECTION-E
Q.9:     (a) How Energy Flows in an Ecosystem?                                   (10)
(b) Give brief account of Land Pollution.                                   (10)
Q.10:  (a) Explain Food Web by taking example from Terrestrial Ecosystem.        (10)
(b) Differentiate between Primary and Secondary productivity with examples.         (10)

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