GATE Biomaterials and Tissue Engineering: Biomaterial Characterization – Previous Year Questions

4 GATE previous year questions on Biomaterial Characterization (Biomaterials and Tissue Engineering, Biomedical Engineering) with answers and explanations, from every paper.

1. GATE 2021 BM Q26 (1 mark, Multiple choice) – Water contact angles on surfaces A and B are θA and θB as shown. Which statement is true?
2. GATE 2021 BM Q47 (2 marks, Multiple choice) – Match techniques P SEM,Q FTIR,R XPS,S AFM with properties K elemental composition,L roughness,M functional groups,N topography.
3. GATE 2022 BM Q24 (1 mark, Multiple choice) – What is the principal use of a scanning electron microscope’s backscattered-electron detector?
4. GATE 2023 BM Q43 (2 marks, Multiple choice) – In a biomaterial, formation of hydrogen bonds involving alcoholic groups leads to which infrared spectral change?