PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION FOR
RECRUITMENT TO THE POSTS OF
PROVINCIAL MANAGEMENT SERVICE-2019
SUBJECT: ZOOLOGY (PAPER – I )
TIME ALLOWED: THREE HOURS MAXIMUM MARKS: 100
NOTE: Attempt FIVE Questions at least TWO Questions from each Section Attempt in Urdu or English.
SECTION – I
Q.No. 1: (a) Discuss diverse types of parasite of economic importance in protozoans.
(b) Elaborate types of canal system in porifers with example of each. (10 + 10 = 20 Marks)
Q. No. 2: (a) Explain the reasons for the success of arthropods.
(b) Discuss diversity in gastropods along with torsion and foot modifications. (10 + 10 = 20 Marks)
Q. No. 3: (a) Describe the life cycle Liver Fluke (Fasciola hepatica).
(b) Write a note on the larval forms and evolutionary significance of echinoderms. (10 + 10 = 20 Marks)
Q. No. 4: Write short note on any Four of the following: (4 x 5 = 20 Marks)
(a) Spicules (b) Ascaris-life cycle (c) Pseudocoelomate body plan (d) Metamerism (e) Annelid- phylogenetic relationship
SECTION – II
Q. No. 5: (a) Define amplexUs. Discuss reproduction in Frog.
(b) Explain Anatomical modifications in birds. (10 + 10 = 20 Marks)
Q.No. 6: (a) Discuss poisonous apparatus and biting mechanism in poisonous snake.
(b) Write a note regarding different modifications in mammals to live in different environments. (10 + 10 = 20 Marks)
Q. No. 7: (a) Explain the thermoregulatory adaptations and strategies of mammals.
(b) Give a comparative account of the evolution of heart in vertebrates. (10 + 10 = 20 Marks)
Q. No. 8: Write short note on any Four of the following: (4 x 5 = 20 Marks)
(a) Dentition (b) Stomach in vertebrates (c) Migratory birds (d) Swim bladder (e) Dinosaurs-causes of evolution and extinction