Khyber Pakhtunkhwa Public Service Commission, Peshawar
Competitive Examination for the posts of Provincial Management Service (BPS-17) – 2010
Botany Paper II
Time Allowed: 03 Hours
Max Marks: 100
Note: Attempt any five questions.
I Enlist macro and micronutrients required by the plant. Also describe the role played by them in plant growth and development. 20
II Differentiate between soil texture and soil structure. Give the role of soil structure in plant growth. 20
III (a) Give ultra structure of Nucleus with suitable diagrams. 10
(b) DNA study is becoming very Important in day-to-day life. Comment. 10
IV How many kinds of pollution exist in world? Describe the measures taken by Govt of Pakistan to reduce air and water pollution. 20
V Differentiate between transduction and transformation with suitable examples. 20
VI What is Phosphorylation? Differentiate between photophosphorylation and oxidative phosphorylation. Describe in detail Melvin Calvin’s cycle. 20
VII Water logging and Salinity are the twin problems in Pakistan. Comment. 20
VIII What is the bio-chemical nature of proteins? Describe in detail its structural configurations. 20