Category: GATE Biotechnology Previous Year Papers with Solutions

Q.35 The value of the integral 0.9 ∫ 0 dx / ((1 − x)(2 − x)) is ____________________. Evaluating definite integrals involving rational functions is a common and important topic […]

Q.34 The Laplace transform F(s) of the function f(t) = cos(at), where a is constant, is ____________. (A) s2 / (s2 + a2) (B) a / (s2 + a2) (C) […]

Q.33 The positive Eigen value of the following matrix is ____________. | 2 1 | | 5 -2 |   The positive eigenvalue of the given 2×2 matrix is 3. […]

Q.32 Runs scored by a batsman in five one-day matches are 55, 75, 67, 88 and 15. The standard deviation is ____________. ✅ Correct Answer: 27.87 The standard deviation measures […]

Q.31 Which one of the following is the most suitable type of impeller for mixing high viscosity (viscosity > 105 cP) fluids? (A) Propeller (B) Helical ribbon (C) Paddle (D) […]

Q.30 The power required for agitation of non-aerated medium in fermentation is ________ kW. Operating conditions are as follows: Fermentor diameter = 3 m Number of impellers = 1 Mixing […]

Q.29 In dead-end filtration, rate of filtration is (A) directly proportional to the square root of pressure drop across the filter medium (B) inversely proportional to the pressure drop across […]

Q.28 A biological process is involved in the ________ treatment of industrial effluent. (A) primary (B) secondary (C) tertiary (D) quaternary Biological Process in Industrial Effluent Treatment: MCQ Answer and […]

Q.27 Fed batch cultivation is suitable for which of the following? P. Processes with substrate inhibition Q. Processes with product inhibition R. High cell density cultivation (A) P and Q […]

Q.26 Prandtl number is the ratio of(A) thermal diffusivity to momentum diffusivity(B) mass diffusivity to momentum diffusivity(C) momentum diffusivity to thermal diffusivity(D) thermal diffusivity to mass diffusivity  Correct Answer: (C) […]