With immense pleasure we present this compilation as "A Practical Manual for Plant Physiology and Biochemistry", for the Students, Scholars and Researchers in the area of 'Plant Physiology and Biochemistry'. Plant Physiology and Plant Biochemistry are the integral to every discipline of 'Agriculture' and allied fields. Many students, research fellows, scholars and researchers working in this area usually find difficulty in optimization of their day-to-day research activities. Eventually they have to put considerable efforts for optimization of parameters before performing their actual experiments and before put them into practice. This leads to errors in recording experimental findings. Many-a-times the physiological parameters are wrongly measured or are missed-out of measurement because he/she has not knowing the correct way of measurement. The manual has divided into subsections as experimental protocols to ensure ease and clear understanding. This manual provides compilation of useful protocols for learner students, scholar for setting-up laboratory experiments and for teacher as a practical teaching aid.