Tag: GATE Biotechnology Previous Year Papers with Solutions

Q.61 A hot, freshly-sterilised fermentation medium is cooled in a double-pipe heatexchanger. The medium enters the inner pipe of the exchanger at 95 °C and leaves the exchanger at 40 […]

Q.60 The percentage of light that would pass through a sample with an absorbance of 2 would be ______% . (Round off to the nearest integer) Absorbance measures how much […]

Q.59 Let a0 = 0 and define an =½(1 + an−1) for all positive integers n ≥ 1. The least value of n for which |1 − an| < 1 […]

Q.58 In a fermentation process, each mole of glucose is converted to biomass (CH1.8O0.5N0.2), with a biomass yield coefficient of 0.4 C-mol/C-mol, according to the unbalanced equation given below. C6H12O6 […]

Q.57 A binary mixture of benzene and toluene under vapour-liquid equilibrium at 80 oC follows ideal Raoult’s law. At this condition, the saturation pressures of benzene and toluene are 101 […]

Q.56 Which of the following amino acids contain(s) two chiral carbons? (A) L-Leucine (B) L-Threonine (C) L-Isoleucine (D) L-Asparagine Which Amino Acids Have Two Chiral Carbons? L-Leucine, L-Threonine, L-Isoleucine, or […]

Q.55 Which of the following methods is/are used for identifying histone modifications? (A) ChIP-seq (B) Mass spectrometry (C) Immunofluorescence (D) Patch-clamp electrophysiology Mastering Histone Modifications: ChIP-seq, Mass Spectrometry, Immunofluorescence, and […]

Q.54 An enzyme immobilised in a porous spherical pellet, catalyses a strongly mass-transfer limited first-order reaction. The effectiveness factor for the immobilised enzyme reaction increases with the (A) decrease in […]

Q.53 The blood group of the mother is A+ and that of the father is AB+. Which of the following statements is/are correct? (A) Probability of the offspring with A+ […]

Q.52 Which of the following statements is/are true about telomerase? (A) Telomerase has 5′-3′ DNA-dependent DNA polymerisation activity (B) Telomerase has 5′-3′ RNA-dependent DNA polymerisation activity (C) Telomerase contains an […]