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Which one of the following relations holds true for the specific growth rate (µ) of a microorganism in the death phase?-gate biotech 20151 AnswerA microbial sample taken at 10 AM contained 1x105 CFU/mL. The count reached to 1x1010 CFU/mL at 8 PM of the same day. The growth rate (h-1) of the microorganism would be _______.(up to two decimal points)0 AnswerIn a batch culture of Penicillium chrysogenum, the maximum penicillin synthesis occurs during the: (-Gate Biotechnology 2014 question paper)1 AnswerFill in the blank: GATE-Biotechnology-20171 AnswerSamples of bacterial culture taken at 5 PM and then the next day at 5 AM were found to have 10^4 and 10^7 cells∙mL^-1, respectively-gate biotech 20151 Answer Which of the following is true in respect of developing countries? (NIFT PG 2016)1 AnswerIn an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 20 gl^-1 (DCW), the specific growth rate is 0.4^1 and substrate uptake rate (v) is 16 gl^-1h^-1. The cell yield coefficient Yx/s will be GATE-Biotechnology1 AnswerDuring a batch fermentation, when would the specific growth rate be lowest ?1 AnswerThree distinct antigens X, Y and Z were used to raise antibodies-gate biotech 20151 AnswerT he initial concentration of cells (N0) growing unrestricted in a culture is 1.0×106 cells/mL. If the specific growth rate (μ) of the cells is 0.1 h-1, the time required for the cell concentration to become 1.0×108 cells/mL is _________ hours0 AnswerTuberculosis, together with its effects, ranks one of the leading causes of death in India. -GATE EC 20151 Answer Each of these questions has an assertion (A) and reason (R). Mark answer as (a) if both (A) and (R) are true and (R) is the correct explanation of (A) (b) if both (A) and (R) are true but (R) is not the correct explanation of (A). (c) if (A) is true but (R) is false. (d) if (A) is false but (R) is true. 0 Answer An oil well is tested at a flow rate (Q) of 50 BOPD. The bottom hole flowing pressure (Pwf) is 500 psia.The Vogel’s correlation is: Gate-2018-General-Aptitude0 AnswerIn seismic exploration the dynamite source is generally considered to be a wavelet of-gate Geology & Geophysics 20171 AnswerMilk sterilization kinetics is based on inactivation of index microorganism,Bacillus stearothermophilus. The D-values at 121.1C and 139.1C are 1.2 min and 0.019 min, respectively. For 12 log-cycle reduction of this microorganism at 130C, the process1 AnswerA continuous cell culture being carried out in a stirred tank reactor is described in terms of its cell mass concentration X and substrate concentration S. The concentration of the substrate in the sterile feed stream is SF = 10 g/L and yield coefficient Yx/s = 0.5. The flow rates of the feed stream and the exit stream are equal (F=5 mL/min) and constant. If the specific growth rate (h-1) 𝜇 = 0.3 𝑆 (1+𝑆) , the steady state concentration of S is _____ g/L0 AnswerT he elementary second-order liquid phase reaction A + B → C + D is carried out in an isothermal plug flow reactor of 2 m3 volume. The inlet volumetric flow rate is 10 m3/h. The initial concentrations of both A and B are 2 kmol/m3. The rate constant is given as 2.5 m3 kmol-1 h-1. The percentage conversion of A is ____________.0 AnswerFill in the blanks. GATE-Biotechnology-20131 AnswerIf A=mat 4 2 1 3-gate biotech 20151 AnswerWhich of the following is/are the stage(sl of demographic transition?0 Answer