NWFP, PUBLIC SERVICE COMMISSION PESHAWAR
COMPETITIVE EXAMINATION FOR THE POST OF PROVINCIAL MANAGEMENT SERVICES
ZOOLOGY PAPER —II
TIME ALLOWED: 03 HOURS MAX MARKS: 100
Note: Attempt at least ONE question from each Part.
Part – I
Q. No.1: a- Give detailed account of NUCLEAR ENVELOPE. 10
b- Discuss TRANSLATION in detail. 10
Part – II
Q2: a- What is HOMEOSTASIS? Explain Negative Feedback Control Mechanism. 10
b- Discuss briefly ENDOCRINE HORMONES.10
Q3 a- Discuss different RESPIRATORY PIGMENTS. How they transport O2 and CO2? 10
b- write short notes on: 10 (2×5)
i. Synapse ii. Neurotransmitters
PART -III
Q4: a- Explain CHROMOSOMAL. ABBERATIONS in detail. 10
b- What is LINKAGE? Explain Sex Linked inheritance with example. 10
Q5: a- Describe Mendel’s Law of INDEPENDENT ASSORTMENT in detail. 10
b- What are MULTIPLE ALLELS? Discuss with reference to ABO blood groups inheritance.10
PART – IV
Q6 a- Explain Darwin’s theory of Natural Selection. What is NEO-DARWINISM?10
b- Differentiate between: 10 (2×5)
i. Homology and Analogy ii. Phylogeny and Ontogeny
PART – V
Q.7a-Define BIOGEOCHEMICAL Cycle. Explain Nitrogen Cycle in detail. 10
b- What are the sources of WATER POLLUTION?