Pak Study® Library

Punjab Study

Sindh Study

Forum

 online Quiz

Css Exam Islamiat Past Papers Quiz|online Test For 10th Class All Subjects|online Test For 9th Class All Subjects|11th Class Papst Papers Quiz|12th Class Papst Papers Quiz|NTS online Test Preparation Quiz


SECTION-A
1Write short answers to the following questions:7
i) What is PLANT SUCCESSION?
ii) What is PRINCIPLE OF LIMITING FACTORS?
iii) What is APOENZYME?
iv) What is ELECTRON TRANSPORT CHAIN?
v) What is DEMOGRAPHY?
vi) What is PRIMARY PRODUCTIVITY?
vii) What is pH?
2SECTION-B a) Differentiate between: i) AEROBIC and ANAEROBIC RESPIRATION ii) APOPLAST and SYMPLAST b) Give the modern theory of STOMATAL OPENING. 4 3.5
3a) Write note on PHYSIOLOGICAL FUNCTIONS of NITROGEN,PHOSPHORUS and POTASSIUM. 4 b) Briefly discuss PLANT TISSUE CULTURE. 3.5
4a) Describe Metabolic Pathway of AEROBIC RESPIRATION. b) Discuss the Mechanism of ENZYME ACTION. 4 3.5
5a) What is DORMANCY? Briefly discuss various Methods of BREAKING DORMANCY. b) Give an account of NASTIC MOVEMENTS in Plants. SECTION-C 4 3.5
6a) Write note on SOIL ORGANIC MATTER. b) What is SOIL SALINITY? Discuss its Causes and Effects. 4 3.5
7a) Describe various Types and Adaptations of XEROPHYTES. b) Discuss ECOPHYSIOLOGICAL RESPONSES of Plants to LIGHT. 4 3.5
8a) What is SOIL EROSION? Discuss Effects and Soil Conservation Measures for WATER EROSION. 4 b) Write a note on SOIL WATER. 3.5
9a) Give an account of SOIL FORMATION. b) Discuss different THEORIES OF CLIMAX. 4 3.5
***B.A/B.Sc-II (10/A) – xliv ***

Thank you very much for your arrival

last updated on 28-04-2019