KHYBER PAKHTUNKHWA PUBLIC SERVICE COMMISSION
WRITTEN EXAMINATION FOR THE POSTS OF PMS OFFICER / AETO BPS-17
(2025)
ZOOLOGY (PAPER-II)
Time Allowed: 03 Hours Total Marks: 100
Note:- Attempt five questions in all selecting ONE question from each part. Draw neat and well-labeled diagrams where required.
PART-A
Q.No.1 Discuss the process of protein synthesis in detail, highlighting the roles of DNA, mRNA, tRNA, and ribosomes. (20)
Q.No.2 Describe the mechanism and significance of mitosis and meiosis, emphasizing their differences and importance in heredity and variation. (20)
PART-B
Q.No.3 Describe the mechanism of respiration and explain how Oxygen and carbon dioxide are transported in the body. (20)
Q.No.4 Describe the processes of digestion and assimilation of carbohydrates, proteins, and fats, and explain different modes of nutrition in animals. (20)
PART-C
Q.No.5 Explain Mendel’s laws of inheritance and their experimental verification using Pisumsativum. (20)
Q.No.6 Describe sex determination and sex-linked inheritance with suitable examples. (20)
PART-D
Q.No.7 Discuss the origin of life with reference to the Oparin-Haldane theory and Miller-Urey experiment. (20)
Q.No.8 Explain the theories of organic evolution, comparing Lamarckism, Darwinism, and Neo-Darwinism. (20)
PART-E
Q.No.9 Discuss the adaptations of animals to major habitats (aquatic, terrestrial, and aerial). (20)
Q.No.10 Explain environmental pollution, its types, causes, and effects on living organisms. (20)