GATE Fundamentals of Biological Engineering: Downstream Processing: Filtration, centrifugation, cell disruption, chromatography, extraction, adsorption and drying – Previous Year Questions
8 GATE previous year questions on Downstream Processing: Filtration, centrifugation, cell disruption, chromatography, extraction, adsorption and drying (Fundamentals of Biological Engineering, Biotechnology) with answers and explanations, from every paper.
- GATE 2021 BT Q38 – Match P centrifugation, Q dialysis, R solvent extraction and S ultrafiltration to: 1 density, 2 diffusivity, 3 size, 4 solubility.
- GATE 2021 BT Q57 – A 100 cm sedimentation tank separates spherical sludge of diameter 0.5 mm. Liquid viscosity is 1 cP and density difference 0.1 g/cm³. Assuming…
- GATE 2022 BT Q40 – Match the stationary phase (Column I) with its corresponding chromatography technique (Column II). Column I Column II --- --- P. Protein A 1. Size…
- GATE 2023 BT Q49 – Aqueous two-phase extraction is used to recover α-amylase from a solution. A polypropylene glycol-dextran mixture is added and the solution separates…
- GATE 2026 BT Q19 – Which one of the following proteins would elute third in gel filtration chromatography from a mixture of four proteins given below?
- GATE 2025 BT Q23 – Which of the following separation processes is/are based on molecular size?
- GATE 2025 BT Q27 – A recombinant protein is secreted extracellularly in soluble form by an E. coli culture. Which of the following downstream processes is/are involved…
- GATE 2025 BT Q57 – A binary mixture of benzene and toluene under vapour-liquid equilibrium at 80 oC follows ideal Raoult's law. At this condition, the saturation…