Category: GATE Biotechnology Previous Year Papers with Solutions

Q.35 For a pure species, the slope of the melting line dP/dT at −2 °C is −5.0665×106 Pa K−1. The difference between the molar volumes of the liquid and solid […]

Q.34 A fermentation broth of density 1000 kg m-3 and viscosity 10-3 kg m-1 s-1 is mixed in a 100 L fermenter using a 0.1 m diameter impeller, rotating at […]

Q.33 The specific growth rate of a yeast having a doubling time of 0.693 h (rounded off to nearest integer) is ________ h-1. Calculating Yeast Specific Growth Rate from Doubling […]

Q.32 The maximum value of the function f(x) = 3×2 − 2×3 for x > 0 is ________. Step-by-Step Solution The given function is: f(x) = 3x² − 2x³ Compute […]

Q.31 The probability density function of a random variable X is p(x) = 2e-2x. The probability P(1 ≤ X ≤ 2) (rounded off to two decimal places) is ________. The […]

Q.30 Consider a nonlinear algebraic equation, 𝑥𝑙𝑛𝑥 + 𝑥 − 1 = 0. Using the NewtonRaphson method, with the initial guess of 𝑥0 = 3, the value of 𝑥 after […]

Q.29 The degree of reduction of lactic acid (C3H6O3) is ________________. Degree of Reduction of Lactic Acid (C3H6O3) The degree of reduction for lactic acid, with formula C3H6O3, equals 4 […]

Q.28 A microorganism is grown in a batch culture using glucose as a carbon source. The apparent growth yield is 0.5 g biomass/g substrate. The initial concentrations of biomass and […]

Q.27 Assuming independent assortment and no recombination, the number of different combinations of maternal and paternal chromosomes in gametes of an organism with a diploid number of 12 is _________________. […]

Q.26 Among individuals in a human population, minor variations exist in nucleotide sequences of chromosomes. These variations can lead to gain or loss of sites for specific restriction enzymes. Which […]