CSS Zoology Past Paper 2019

Instructions specific to this paper

• Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Questions

1. Q. 220 marks

   Discuss emerging vector-borne zoonotic diseases of public health importance. Describe the impact of climate change on vector-borne diseases.

2. Q. 320 marks

   How the members of Chordates are different from Hemichordates? Name five hallmarks shared by all chordates and describe functions of each.

3. Q. 420 marks

   What is the difference between bird’s migration and navigation? Discuss navigational resources used by different bird species in long distance migration.

4. Q. 520 marks

   How gene mutation differ from chromosomal aberration? Discuss the type(s) of mutation responsible for new variation of a trait.

5. Q. 620 marks

   Discuss sexual and asexual reproduction in protozoa. Explain parthenogenesis.

6. Q. 720 marks

   Describe Fluid-Mosaic Model of the plasma membrane. What are different types of movements across the plasma membrane?

7. Q. 820 marks

   Discuss the structure and functions of different types of neurons. Describe general pathway for the flow of information within the nervous system.

Standard FPSC instructions

Printed on this and every CSS paper.

• Part-II is to be attempted on the separate Answer Book.
• All the parts (if any) of each question must be attempted at one place instead of at different places.
• Write Q. No. in the Answer Book in accordance with Q. No. in the question paper.
• No page/space be left blank between the answers. All the blank pages of the Answer Book must be crossed.
• Extra attempt of any question or any part of the attempted question will not be considered.