Botany CSS Paper II 2012
FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR
RECRUITMENT TO POSTS IN BS. 17
UNDER THE FEDERAL GOVERNMENT, 2012
BOTANY – PAPER II
TIME ALLOWED: THREE HOURS
PART – I (MCQS): MAXIMUM 30 MINUTES
PART – I (MCQS): MAXIMUM MARKS = 20
PART – II: MAXIMUM MARKS = 80
NOTE: (i) Part – II is to be attempted on the separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART – II. ALL questions carry EQUAL marks.
(iii) All the parts (if any) of each Question must be attempted at one place instead of at different places.
(iv) Candidate must write Q. No. in the Answer Book in accordance with Q. No. in the Q.Paper.
(v) No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
(vi) Extra attempt of any question or any part of the attempted question will not be considered.
Part – II
Note: Attempt only four questions. All questions carry Equal marks.
Q.No.2. Explain Evolution with reference to Darwinism.
Q.No.3. Give detailed account of Chromosomal aberrations.Support your answer with diagrams.
Q.No.4. What is salinity and waterlogging? Discuss with reference to its causes it Pakistan.
Q.No.5. Which cell division occurs in reproductive cells? How diploid cells produce five haploid daughter cells? Explain.
Q.No.6. Describe the following:
(a) Pyramids (b) Food Chain (c) Ecological Energetic (d) Concepts of Ecosystem
Q.No.7. Write short notes on any TWO of the following:
(a) Genetic Code (b) Polyploidy (c) Mutation
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