Answersheet for
CSIR NET June 2017

CSIR NET PLANT PHYSIOLOGY MCQ

Aug 23,2016

SYSTEM PHYSIOLOGY – PLANT
A. Photosynthesis: Light harvesting complexes; mechanisms of electron transport; photoprotective mechanisms; CO2 fixation-C3, C4, and CAM pathways.
B. Respiration and photorespiration: Citric acid cycle; plant mitochondrial electron transport and ATP synthesis; alternate oxidase; photorespiratory pathway.
C. Nitrogen metabolism: Nitrate and ammonium assimilation; amino acid biosynthesis.
D. Plant hormones: Biosynthesis, storage, breakdown and transport; physiological effects and mechanisms of action.
E. Sensory photobiology: Structure, function, and mechanisms of action of phytochromes, cryptochromes and phototropin; stomatal movement; photoperiodism and biological clocks.

F. Solute transport and photoassimilate translocation: Uptake, transport, and translocation of water, ions, solutes and macromolecules from soil, through cells,
across membranes, through xylem and phloem; transpiration; mechanisms of loading and unloading of photoassimilates.
G. Secondary metabolites – Biosynthesis of terpenes, phenols and nitrogenous compounds and their roles.
H. Stress Physiology: Responses of plants to biotic (pathogen and insects) and abiotic (water, temperature and salt) stresses; mechanisms of resistance to biotic
stress and tolerance to abiotic stress


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