GATE Biomaterials and Tissue Engineering: Biomaterial Properties – Previous Year Questions
14 GATE previous year questions on Biomaterial Properties (Biomaterials and Tissue Engineering, Biomedical Engineering) with answers and explanations, from every paper.
- GATE 2020 BM Q50 – During femoral arthroplasty, bone cement warms from 37°C to 87°C and has thickness 20 mm. Bone, cement and implant are concentric cylinders;…
- GATE 2021 BM Q52 – A cylindrical biomaterial sample is 10 cm long and 1 cm in diameter. A 50 kN tensile force elongates it by 4 mm. Compare its tensile modulus with bone…
- GATE 2022 BM Q48 – Match the stress–strain curves X,Y,Z shown to the materials.
- GATE 2023 BM Q25 – Which sequence lists the materials in decreasing tensile strength?
- GATE 2024 BM Q18 – Which composition description corresponds to Bioglass 45S5?
- GATE 2025 BM Q27 – For temperature-sensitive polymers, what does LCST stand for?
- GATE 2025 BM Q41 – Gelatin solutions P,Q have concentrations 3.5%,0.5% w/v. How many mL of P must be mixed with 100 mL of Q to obtain a 3% solution, assuming additive…
- GATE 2025 BM Q50 – At one frequency, biomaterials have (storage modulus G′,loss modulus G″) in Pa: P=(1000,50), Q=(1000,80), R=(1000,100), S=(1000,0). Which statements…
- GATE 2025 BM Q64 – A collagen gel has storage modulus G′ proportional to concentration cubed. At 1 mg/mL, G′=100 Pa. Find G′ at 3 mg/mL, nearest integer Pa.
- GATE 2026 BM Q13 – Which is NOT a polymer?
- GATE 2026 BM Q14 – Electrostatic interaction between positively and negatively charged polymers in water most likely forms a .
- GATE 2026 BM Q32 – A hollow spherical nanoparticle has outer radius 5 nm and uniform shell thickness 3 nm. Find shell volume divided by hollow-core volume, to one…
- GATE 2026 BM Q38 – LCST polymers become less water-soluble as temperature rises. At low temperatures, hydrogen bonding between their (I) segments and water dominates; at…
- GATE 2026 BM Q65 – Solid spherical polymer particles of diameter 20 μm are suspended in water at 1% w/v. Polymer density is 1 g/cm³. Find the number of particles per mL,…