Category: GATE Biotechnology Previous Year Papers with Solutions

Q.5 For positive non-zero real variables p and q, if log (p2 + q2) = log p + log q + 2 log 3, then the value of (p4 + […]

Q.4 The number of coins of ₹1, ₹5, and ₹10 denominations that a person has are in the ratio 5:3:13. Of the total amount, the percentage of money in ₹5 […]

Q.3 Consider the following sample of numbers: 9, 18, 11, 14, 15, 17, 10, 69, 11, 13 The median of the sample is (A) 13.5 (B) 14 (C) 11 (D) […]

Q.2 If two distinct non-zero real variables 𝑥 and 𝑦 are such that (𝑥 + 𝑦) is proportional to (𝑥 − 𝑦) then the value of 𝑥/𝑦 (A) depends on […]

Q.1 If ‘→’ denotes increasing order of intensity, then the meaning of the words [dry → arid → parched] is analogous to [diet → fast → ________ ]. Which one […]

Q.65 For the coupled reactions given below Glucose 6-phosphate + H2O → Glucose + Pi (Reaction 1) ATP + Glucose → ADP + Glucose 6-phosphate (Reaction 2) the standard free […]

Q.64 An NMR spectrometer operating at proton resonance frequency (ν) of 1 GHz will have a magnetic field strength of __________ Tesla (T). The gyromagnetic ratio for proton, γ = […]

Q.63 Let A = ( 1  0  1 0  k  0 3  0  -1 ). If the eigenvalues of A are −2, 1, and 2, then the value of k is __________. (Answer in integer) Problem […]

Q.62 A 2 L bioreactor is being operated as a chemostat, at a flow rate of 0.8 L/h and sterile feed of 10 g/L substrate. The bacterial growth follows Monod […]

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 […]