CSS Agriculture Past Paper 2007

PART-2(Subjective) 80 Marks

Attempt ONLY FOUR Questions from PART-II. (20×4)

PART-II

Q. No. 2. Discuss the important physical properties of soils that are of major interest to crop producers.

Q. No. 3. What are the Genetic consequences of self-fertilization and of cross-fertilization in crops?

Q. No. 4. What aspects of light affect plant growth and development, and how can they be managed under field conditions?

Q. No. 5. Why is it necessary to understand the life cycle of both the host and pathogen as well as the disease cycle itself in order to determine appropriate disease control methods?

Q. No. 6. What are the reasons for low per unit yield of most of the crops in Pakistan as compared to other countries? Suggest measures for the enhancement of per unit yield in Pakistan.

Q. No. 7. Write short notes on any Four of the following:
(a) Genetically Modified Organisms
(b) Biosafety issues
(c) Biological Control of Pest
(d) Conservation of Biodiversity
(e) Role of Agricultural Research in Food Security
(f) Importance of Statistics in Agricultural Research

Q. No. 8. Differentiate between any Four of the following:
(a) Quantitative Genetic Traits and Qualitative Genetic Traits
(b) Monoecious Plants and Dioecious
(c) Double Cross and Double Fertilization
(d) Photosynthesis and Phototropism
(e) Autotrophic and Auxotrophic
(f) Homozygous and Heterozygous

NOTE: Before 2016 Agriculture & Forestry were Two Different Papers.