Category: GATE Biotechnology Previous Year Papers with Solutions

Q.15 The relationship that involves the exchange of nutrients between two different species for their mutual growth is called ________. (A) antagonism (B) commensalism (C) parasitism (D) syntrophism Syntrophism: Nutrient […]

Q.14 Which one of the following statements is correct about Reynolds Number (𝑁𝑅𝑒) in a stirred tank bioreactor? (A) 𝑁𝑅𝑒 is independent of the viscosity of the medium (B) In […]

Q.13 Which one of the following statements is correct in the context of thermodynamics? (A) In a closed system, neither mass nor energy is transferred across the system boundary (B) […]

  Q.12 The transfer function of a process is G(s) = Kp / (τps + 1), where Kp is the gain and τp is the time constant. This is a […]

Q.11 In adsorption chromatography, the adsorption of uncharged solute molecules onto a silica-based stationary phase is by ________. (A) covalent bonds (B) electrostatic interactions (C) ionic bonds (D) van der […]

Q.10 The least number of squares to be added in the figure to make AB a line of symmetry is (A) 6 (B) 4 (C) 5 (D) 7 This common […]

Q.9 A rectangular paper of 20 cm × 8 cm is folded 3 times. Each fold is made along the line of symmetry, which is perpendicular to its long edge. […]

Q.8 The pie chart presents the percentage contribution of different macronutrients to a typical 2,000 kcal diet of a person. The typical energy density (kcal/g) of these macronutrients is given […]

Q.7 A rectangular paper sheet of dimensions 54 cm × 4 cm is taken. The two longer edges of the sheet are joined together to create a cylindrical tube. A […]

Q.6 In the given text, the blanks are numbered (i)−(iv). Select the best match for all the blanks. Steve was advised to keep his head (i) before heading (ii) to […]