PART-(A)
1 Describe the diverse roles of plant vacuoles.
2 Explain the Calvin cycle pathway for carbon fixation.
3. Give an overview of plant glycolysis. Point out the basic difference (s) in the regulation of glycolysis in plants and animals.
4 (a) Describe the operation of TCA Cycle during active photosynthesis (light) and in dark.
(b) Explain cyanide resistant respiration and indicate its role.
5 (a) Explain glyoxalate cycle.
(b) What is the significance of photorespiration?
PART-(B)
1 Describe the biochemistry of biological nitrogen fixation.
2 (a) Explain GDH pathway of ammonia assimilation.
(b) Write a note on seed storage proteins.
3. Illustrate the coleoptiles tip experiment.
4 (a) Write a note on novel endogenous plant growth regulators.
(b) Describe role of phenolics in plants.
5 (a) Describe organ and cell suspension culture.
(b) Write a note on biotic stress.
PART-(A)
1 (a) Explain the structure and function of plant cell wall.
(b) List the diverse roles of plant vacuoles.
2 (a) Explain Emerson enhancement effect.
(b) Describe the role of PS I (NADPH Forming) Complex.
3. Describe different phases of Calvin cycle.
4. (a) What are the alternate reactions of cytosolic plant glycolysis that permit it to bypass many of the steps of conventional glycolysis.
(b) Point out the basic difference (s) in the regulation of glycolysis in plants and animals.
5. (a) Regulation of TCA Cycle in Plants
(b) Describe the structure of F-ATPase and mechanism of ATP synthesis.
PART-(B)
1 (a) Indicate three ways by which filamentous cyanobacteria protect nitrogenase.
(b) Give the reactions catalysed by nitrogenase in vivo.
2 (a) Explain nitrate assimilation.
(b) Indicate the unique features of biological nitrogen fixation.
3. Illustrate GS-GOGAT pathway of ammonium assimilation.
4. (a) Indicate the effects of growth hormones like auxins, gibberellins, cytokinins, on growth and development of plants.
(b) Describe role of alkaloids in plants.
5. (a) Give any five applications of plant cell and tissue culture.
(b) Describe ways by which plants sense stressors
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