FOR RECRUITMENT TO THE POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC -2022
CASE NO. 2C2023
SUBJECT: ZOOLOGY (PAPER-I)
TIME ALLOWED: THREE HOURS MAXIMUM MARKS: 100
NOTE:
i. All the parts (if any) of each Question must be attempted at one place instead of at different places.
ii. Write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper.
iii. No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
iv. Extra attempt of any question or any part of the question will not be considered.
NOTE: Attempt FIVE Questions in all. Select at least TWO Questions from each Section. Attempt in Urdu or English.
SECTION-I
Q1. (a) How protozoans maintain homeostasis?
(b) Discuss symbiotic life style in protozoans.
Q2. Describe various forms of canal systems and its significance in Porifera.
Q3. Explain evolutionary relationship of three classes of Annelida in light of traditional and recent cladistics interpretation.
Q4. (a) What are the different modifications of foot in Mollusca?
(b) What is torsion? What are its adaptive advantages in gastropods?
SECTION-II
Q5. (a) Discuss the structure and function of swim blader in fishes.
(b) Describe the process of excretion and osmoregulation in fishes.
Q6. Give an account on reproduction in Amphibia and discuss importance of courtship behavior.
Q7. (a) What are different types of feathers in birds?
(b) What adaptations of birds Promote endothermy and flight?
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