Paper chromatography is a type of planar chromatography which can be performed faster and in an easy way. It is useful for detection of components in a mixture.
TLC chromatography or thin layer chromatography is an analytical technique for easy identification of photo-constituents.
Bioassay is the best way to analyse the effects of any substance on the biological systems. The biological systems can be animal tissues or whole animals.
Phlegm a mucous accumulation in the lungs is very troublesome especially in winters as it chokes breathing. It's removal is tougher and disgusting to the patient.
Competitive exams are deciding factors or turning points in students career. So one needs to succeed in them to have desired career of choice.