CSS Botany Past Paper 2018

Instructions specific to this paper

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

Questions

1. Q. 220 marks

   Discuss biological and economic importance of Fungi.

2. Q. 320 marks

   Describe main features of Gymnosperms and explain life cycle of Pinus.

3. Q. 420 marks

   What are main types of Pollution? What may be the measures for its control?

4. Q. 520 marks

   Explain CAM Photosynthesis contrasting it to C 4 Photosynthesis in terms of partitioning of a pathway.

5. Q. 620 marks

   What are the evidences in support of Evolution? What contributions modern genetics has made for its support?

6. Q. 720 marks

   What is the evidence for semiconservative replication of DNA?

7. Q. 820 marks

   Write short notes on the following: (5 marks each) (a) Ultrastructure of cell membrane (b) Speciation (c) Vernalization (d) Classes of Algae

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.