Botany KP PMS Paper II 2018

KHYBER PAKHTUNKHWA PUBLIC SERVICE COMMISSION

Subject : Competitive Examination for the posts of

Provincial Management Service (BPS-17) 2018

Botany Paper 2

Time Allowed : 03 Hours. Max Marks: 100

Note : Attempt any five questions

Q 1 Give a detailed account of hormones and their role in agriculture and horticulture. 20

Q 2 Describe vernalization and dormancy and their role in seed germination. 20

Q 3 Describe the influence of climatic, edaphic and biotic factors on plant growth and adaptation of plant communities. 20

Q 4 Explain the concepts of ecosystems and the mechanisms of food chains and trophic levels. 20

Q 5 Describe the causes and consequences of water logging and salinity with respect to Pakistan. 20

Q 6 Describe mutation and polyploidy. Also give the types and levels of polyploid complexes in plants. 20

Q 7 Describe theories of evolution and no-Darwinism. 20

Q 8 What is bio-chemical nature of proteins and fats? Describe in detail the structural configurations of proteins. 20