33. Back diffusion occurs mostly in: A. Size exclusion chromatography B. Gas chromatography C. HPLC D. HPTLC Back diffusion occurs mostly in Gas Chromatography (GC), making option (B) correct. This is due […]
Tag: CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY
Tag: CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY
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CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
GC HPLC Stationary Phase Bleed
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- January 29, 2026
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32. The process of release of volatile / soluble components of a GC or HPLC stationary phase is termed as: A. Bleed B. Creep C. Back flush D. Back diffusion […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Theoretical Plates Chromatography
31. Which of the following is the correct statement: A. Resolution is proportional to the square root of the number of theoretical plates in a column B. Resolution is inversely […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
α-Bungarotoxin Binds Acetylcholine Receptor
30. α-bungarotoxin binds to acetylcholine receptor (AChR) protein with high specificity and prevents the ion channel opening. This interaction can be exploited to purify AChR from membrane using (A) Ion-exchange […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Chromatography Solid Stationary Phase
29. Chromatography with solid stationary phase is called (A) Circle chromatography (B) Square chromatography (C) Solid chromatography Chromatography with solid stationary phase is called adsorption chromatography. The correct answer is […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Paper Chromatography Electrophoresis
28. A combination of paper chromatography and electrophoresis involves: A. Partition chromatography B. Electrical mobility of the ionic species C. Both (a) and (b) D. None of these A combination […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Thin Layer Chromatography
27. Thin layer chromatography can be used to distinguish between different amino acids. If a particular amino acid has low solubility in the mobile phase used, then the other amino […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
HPLC Cannot Determine Mercury Content Fish
26. High performance liquid chromatography (HPLC) cannot be used to: A. Identify the various pigments from a leaf extract B. Separate organic pesticides C. Determine the caffeine content in coffee […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Gas Chromatography Concentration
25. In gas chromatography, the concentration of a substance can be determined by: A. Comparison of the area under the peak produced by the substance with the areas under the […]
CSIR NET Life Science Previous Year Questions on METHODS IN BIOLOGY – Video and Text Solutions
Paper Chromatography Qualitative vs Gas Chromatography Quantitative Analysis
24. Which of the following statements about chromatography is correct? A. Paper chromatography and gas chromatography are both routinely used for qualitative analysis only. B. Paper chromatography is usually considered […]
