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161
GATE BT 2022 | Question: 13
Match the microbial product (Column I) with its respective application (Column II). ... $\text{P-2, Q-1, R-3}$ $\text{P-3, Q-2, R-1}$ $\text{P-3, Q-1, R-2}$
Match the microbial product (Column I) with its respective application (Column II).$$\begin{array} {lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. Methane} & &...
Lakshman Bhaiya
1.4k
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162
GATE BT 2022 | Question: 14
Which of the following is $\text{NOT}$ used for generating an optimal alignment of two nucleotide sequences? Gap penalties Match scores Mismatch scores Nucleotide composition
Which of the following is $\text{NOT}$ used for generating an optimal alignment of two nucleotide sequences?Gap penaltiesMatch scoresMismatch scoresNucleotide composition...
Lakshman Bhaiya
1.4k
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Lakshman Bhaiya
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163
GATE BT 2022 | Question: 15
The recognition sequences of four Type-II restriction enzymes $\text{(RE)}$ are given below. The symbol $(\downarrow)$ indicates the cleavage site. Identify the $\text{RE}$ that generates sticky ends. $\text{RE1} - 5' \text{G}^{\downarrow} \text{GATCC} \; 3'$ ... $\text{RE4} - 5' \text{AG}^{\downarrow} \text{CT} \; 3'$
The recognition sequences of four Type-II restriction enzymes $\text{(RE)}$ are given below. The symbol $(\downarrow)$ indicates the cleavage site. Identify the $\text{RE...
Lakshman Bhaiya
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Lakshman Bhaiya
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164
GATE BT 2022 | Question: 16
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 of the following ... dependent fragment insertion Real-time polymerase chain reaction Restriction fragment length polymorphism Reverse transcriptase polymerase chain reaction
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 re...
Lakshman Bhaiya
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Lakshman Bhaiya
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165
GATE BT 2022 | Question: 17
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 __________.
Assuming independent assortment and no recombination, the number of different combinations of maternal and paternal chromosomes in gametes of an organism with a diploid n...
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166
GATE BT 2022 | Question: 18
A microorganism is grown in a batch culture using glucose as a carbon source. The apparent growth yield is $0.5 \frac{\text{g biomass}}{\text{g substrate}}.$ ... that there is no endogenous metabolism, the maximum biomass concentration that can be achieved is _________ $ \text{g L}^{-1}.$
A microorganism is grown in a batch culture using glucose as a carbon source. The apparent growth yield is $0.5 \frac{\text{g biomass}}{\text{g substrate}}.$ The initial ...
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Lakshman Bhaiya
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167
GATE BT 2022 | Question: 20
Consider a nonlinear algebraic equation, $x\ln x + x – 1 = 0.$ Using the Newton-Raphson method, with the initial guess of $x_{0} = 3,$ the value of $x$ after one iteration (rounded off to one decimal place) is ___________.
Consider a nonlinear algebraic equation, $x\ln x + x – 1 = 0.$ Using the Newton-Raphson method, with the initial guess of $x_{0} = 3,$ the value of $x$ after one iterat...
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168
GATE BT 2022 | Question: 21
The probability density function of a random variable $X$ is $p(x) = 2e^{-2x}.$ The probability $P(1 \leq X \leq 2)$ (rounded off to two decimal places) is _________.
The probability density function of a random variable $X$ is $p(x) = 2e^{-2x}.$ The probability $P(1 \leq X \leq 2)$ (rounded off to two decimal places) is _________.
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169
GATE BT 2022 | Question: 22
The maximum value of the function $f(x) = 3x^{2} – 2x^{3}$ for $x>0$ is ________.
The maximum value of the function $f(x) = 3x^{2} – 2x^{3}$ for $x>0$ is ________.
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170
GATE BT 2022 | Question: 23
The specific growth rate of a yeast having a doubling time of $0.693 \; \text{h}$ (rounded off to nearest integer) is ________ $\text{h}^{-1}.$
The specific growth rate of a yeast having a doubling time of $0.693 \; \text{h}$ (rounded off to nearest integer) is ________ $\text{h}^{-1}.$
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171
GATE BT 2022 | Question: 24
A fermentation broth of density $1000 \; \text{kg m}^{-3}$ and viscosity $10^{-3} \; \text{kg m}^{-1} \text{s}^{-1}$ is mixed in a $100\;\text{L}$ fermenter using a $0.1 \; \text{m}$ diameter impeller, rotating at a speed of $2 \; \text{s}^{-1}.$ The impeller Reynolds number is _________.
A fermentation broth of density $1000 \; \text{kg m}^{-3}$ and viscosity $10^{-3} \; \text{kg m}^{-1} \text{s}^{-1}$ is mixed in a $100\;\text{L}$ fermenter using a $0.1 ...
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172
GATE BT 2022 | Question: 25
For a pure species, the slope of the melting line $\frac{dP}{dT} \; \text{at} \; -2 \; ^{\circ} \textrm{C} \; \text{is} -5.0665 \times 10^{6} \text{Pa K}^{-1}.$ ... $\text{J} \; \text{mol}^{-1}.$
For a pure species, the slope of the melting line$$\frac{dP}{dT} \; \text{at} \; -2 \; ^{\circ} \textrm{C} \; \text{is} -5.0665 \times 10^{6} \text{Pa K}^{-1}.$$The diff...
Lakshman Bhaiya
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173
GATE BT 2022 | Question: 26
Which of the following conditions will contribute to the stability of a gene pool in a natural population? Large population No net mutation Non-random mating No selection $\text{P}$ Only $\text{P}$ and $\text{Q}$ Only $\text{P}$ and $\text{R}$ Only $\text{P},$ $\text{Q}$ and $\text{S}$ Only
Which of the following conditions will contribute to the stability of a gene pool in a natural population?Large populationNo net mutationNon-random matingNo selection $...
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174
GATE BT 2022 | Question: 27
Match the media component used in mammalian cell culture (Column I) with its respective role (Column II). ... $\text{P-4, Q-3, R-1, S-2}$ $\text{P-4, Q-3, R-2, S-1}$
Match the media component used in mammalian cell culture (Column I) with its respective role (Column II).$$\begin{array} {lll} \textbf{Column I} & & \textbf{Column II} \\...
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175
GATE BT 2022 | Question: 28
Match the cell type (Column I) with its function (Column II). ... $\text{P-4, Q-3, R-1, S-2}$ $\text{P-4, Q-3, R-2, S-1}$
Match the cell type (Column I) with its function (Column II).$$\begin{array} {lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. B cells} & & \text{1. Humoral immu...
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176
GATE BT 2022 | Question: 29
A $2\times 2$ matrix $\textbf{P}$ has an eigen value $\lambda_{1}=2$ with eigenvector $x_{1}=\begin{pmatrix} 1 \\ 0 \end{pmatrix}$ and another eigenvalue $\lambda_{2}=5,$ with eigenvector $x_{2}=\begin{pmatrix} 1 \\ 1 \end{pmatrix}.$ The matrix $\textbf{P}$ ... $\begin{pmatrix} 1 & 1 \\ 0 & 1 \end{pmatrix}$ $\begin{pmatrix} 1 & 1 \\ 1 & 0 \end{pmatrix}$
A $2\times 2$ matrix $\textbf{P}$ has an eigen value $\lambda_{1}=2$ with eigenvector $x_{1}=\begin{pmatrix} 1 \\ 0 \end{pmatrix}$ and another eigenvalue $\lambda_{2}=5...
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177
GATE BT 2022 | Question: 30
Match the stationary phase (Column I) with its corresponding chromatography technique (Column II). ... $\text{P-3, Q-4, R-2, S-1}$ $\text{P-4, Q-1, R-3, S-2}$
Match the stationary phase (Column I) with its corresponding chromatography technique (Column II).$$\begin{array} {lll} \textbf{Column I} & & \textbf{Column II} \\ \text{...
Lakshman Bhaiya
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178
GATE BT 2022 | Question: 31
Which of the following statements are $\text{CORRECT}$ for a controller? In a proportional controller, a control action is proportional to the error In an integral controller, a control action is proportional to the derivative of the error There is no offset in the response of the ... and $\text{R}$ Only $\text{P}$ and $\text{S}$ Only $\text{Q}$ and $\text{S}$ Only
Which of the following statements are $\text{CORRECT}$ for a controller?In a proportional controller, a control action is proportional to the errorIn an integral controll...
Lakshman Bhaiya
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GATE BT 2022 | Question: 32
Which of the following are CORRECT about protein structure? Secondary structure is formed by a repeating pattern of interactions among the polypeptide backbone atoms Tertiary structure is the three-dimensional arrangement of the polypeptide backbone atoms only Quaternary structure refers to an assembly ... Only $\text{Q}$ and $\text{R}$ Only $\text{P, Q}$ and $\text{R}$
Which of the following are CORRECT about protein structure?Secondary structure is formed by a repeating pattern of interactions among the polypeptide backbone atomsTertia...
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GATE BT 2022 | Question: 33
The enzymes involved in ubiquitinylation of cell-cycle proteins are $\text{E}_{1}$ and $\text{E}_{2}$ Only $\text{E}_{1}$ and $\text{E}_{3}$ Only $\text{E}_{1}$ and $\text{E}_{4}$ Only $\text{E}_{1}$, $\text{E}_{2}$ and $\text{E}_{3}$
The enzymes involved in ubiquitinylation of cell-cycle proteins are$\text{E}_{1}$ and $\text{E}_{2}$ Only$\text{E}_{1}$ and $\text{E}_{3}$ Only$\text{E}_{1}$ and $\text{E...
Lakshman Bhaiya
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GATE BT 2022 | Question: 34
The maximum parsimony method is used to construct a phylogenetic tree for a set of sequences. Which one of the following statements about the method is $\text{CORRECT}?$ It predicts the tree that minimizes the steps required to ... observed variations It predicts the tree with the least number of branch points It employs probability calculations to identify the tree
The maximum parsimony method is used to construct a phylogenetic tree for a set of sequences. Which one of the following statements about the method is $\text{CORRECT}?$I...
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182
GATE BT 2022 | Question: 35
Which of the following spectroscopic technique(s) can be used to identify all the functional groups of an antibiotic contaminant in food? Infrared Circular dichroism Nuclear magnetic resonance UV-Visible $\text{P}$ only $\text{P}$ and $\text{R}$ only $\text{P, Q}$ and $\text{R}$ only $\text{P, Q, R}$ and $\text{S}$
Which of the following spectroscopic technique(s) can be used to identify all the functional groups of an antibiotic contaminant in food?InfraredCircular dichroismNuclear...
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GATE BT 2022 | Question: 36
Adenine can undergo a spontaneous change to hypoxanthine in a cell, leading to a $\text{DNA}$ base pair mismatch. The $\text{CORRECT}$ combination of enzymes that are involved in repairing this damage is Nuclease, $\text{DNA}$ ... $\text{DNA}$ polymerase, $\text{DNA}$ ligase Primase, helicase, $\text{DNA}$ polymerase
Adenine can undergo a spontaneous change to hypoxanthine in a cell, leading to a $\text{DNA}$ base pair mismatch. The $\text{CORRECT}$ combination of enzymes that are inv...
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184
GATE BT 2022 | Question: 37
Consider the ordinary differential equation $\dfrac{dy}{dx} = f(x,y) = 2x^{2} – y^{2}.$ If $y(1)=1,$ the value(s) of $y(1.5),$ using the Euler’s implicit method $\left[y_{n+1}=y_{n}+hf(x_{n+1},y_{n+1}) \right]$ with a step size of $h=0.5,$ is (are) $-1-5 \sqrt{0.3}$ $-1+5 \sqrt{0.3}$ $1+5 \sqrt{0.3}$ $1-5 \sqrt{0.3}$
Consider the ordinary differential equation $\dfrac{dy}{dx} = f(x,y) = 2x^{2} – y^{2}.$ If $y(1)=1,$ the value(s) of $y(1.5),$ using the Euler’s implicit method $\lef...
Lakshman Bhaiya
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GATE BT 2022 | Question: 38
Which of the following statements are $\text{CORRECT}$ for an enzyme entrapped in a spherical particle? Effectiveness factor is ratio of the reaction rate with diffusion-limitation to the reaction rate without diffusion-limitation Internal ... increases with decrease in Thiele modulus Internal diffusion-limitation can be reduced by decreasing the size of the particle
Which of the following statements are $\text{CORRECT}$ for an enzyme entrapped in a spherical particle?Effectiveness factor is ratio of the reaction rate with diffusion-l...
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Lakshman Bhaiya
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GATE BT 2022 | Question: 39
Which of the following is(are) $\text{COMMON}$ feature(s) for both aerobic and anaerobic bacterial cultures? Glycolysis $\text{NAD}^{+}$ is the oxidising agent Oxidative phosphorylation Two net $\text{ATP}$ molecules formed per glucose molecule
Which of the following is(are) $\text{COMMON}$ feature(s) for both aerobic and anaerobic bacterial cultures?Glycolysis$\text{NAD}^{+}$ is the oxidising agentOxidative pho...
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GATE BT 2022 | Question: 40
Which of the following plot(s) is(are) $\text{CORRECT}$ for an enzyme that obeys Michaelis-Menten kinetics, assuming $[S] \ll K_{m}$? $[S]$ is the concentration of the substrate, $K_{m}$ is the Michaelis constant, and $\text{v}_{o}$ is the initial reaction velocity. A. B. C. D.
Which of the following plot(s) is(are) $\text{CORRECT}$ for an enzyme that obeys Michaelis-Menten kinetics, assuming $[S] \ll K_{m}$?$[S]$ is the concentration of the sub...
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GATE BT 2022 | Question: 41
Which of the following statement(s) is(are) CORRECT regarding the $lac$ operon in $E. coli$ when grown in the presence of glucose and lactose? At low glucose level, the operon is activated At high glucose level, the operon is ... lactose The $lac$ repressor binds to operator region inactivating the operon Binding of lactose to the $lac$ repressor induces the operon
Which of the following statement(s) is(are) CORRECT regarding the $lac$ operon in $E. coli$ when grown in the presence of glucose and lactose?At low glucose level, the op...
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GATE BT 2022 | Question: 42
Emerging viruses such as $\text{SARS-Co V2}$ cause epidemics. Which of the following process(es) contribute to the rise of such viruses? Mutation of existing virus Jumping of existing virus from current to new hosts Spread of virus in the new host population Replication of virus outside a host
Emerging viruses such as $\text{SARS-Co V2}$ cause epidemics. Which of the following process(es) contribute to the rise of such viruses?Mutation of existing virusJumping ...
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GATE BT 2022 | Question: 43
Introduction of foreign genes into plant cells can be carried out using Agrobacterium $\text{Cacl}_{2}$ mediated plasmid uptake Electroporation Gene gun
Introduction of foreign genes into plant cells can be carried out usingAgrobacterium$\text{Cacl}_{2}$ mediated plasmid uptakeElectroporationGene gun
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GATE BT 2022 | Question: 44
Which of the following statement(s) regarding trafficking in eukaryotic cells is(are) CORRECT? Dynamic binds $\text{GTP}$ and is involved in vesicle budding Dynamic is involved in cytoskeletal remodelling Dynamic binds $\text{ATP}$ and ... in movement of organelles along microtubules Dynamic binds $\text{GTP}$ and is involved in movement of organelles along microtubules
Which of the following statement(s) regarding trafficking in eukaryotic cells is(are) CORRECT?Dynamic binds $\text{GTP}$ and is involved in vesicle buddingDynamic is invo...
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GATE BT 2022 | Question: 45
Consider a random variable $X$ with mean $\mu_{x}=0.1$ and variance $\sigma_{x}^{2}=0.2.$ A new random variable $Y=2X+1$ is defined. The variance of the random variable $Y$ (rounded off to one decimal place) is __________.
Consider a random variable $X$ with mean $\mu_{x}=0.1$ and variance $\sigma_{x}^{2}=0.2.$ A new random variable $Y=2X+1$ is defined. The variance of the random variable $...
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GATE BT 2022 | Question: 46
For $x_{1}>0$ and $x_{2}>0,$ the value of $\displaystyle{}\lim_{x_{1} \to x_{2}}\frac{x_{1}-x_{2}}{x_{2}\ln\left(\frac{x_{1}}{x_{2}}\right)}$ is __________.
For $x_{1}>0$ and $x_{2}>0,$ the value of $\displaystyle{}\lim_{x_{1} \to x_{2}}\frac{x_{1}-x_{2}}{x_{2}\ln\left(\frac{x_{1}}{x_{2}}\right)}$ is __________.
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GATE BT 2022 | Question: 47
Figure below depicts simplified metabolic and transport reactions taking place in the production of $\text{B}$ from $\text{A}$ in a cell. The subscript $`i\text{'}$ refers to intracellular metabolites. $r_{j}$ is the $j^{\text{th}}$ ... $\text{B}, \; r_{4}$ is ___________$\frac{g}{(\text{g dry mass)h}}.$
Figure below depicts simplified metabolic and transport reactions taking place in the production of $\text{B}$ from $\text{A}$ in a cell. The subscript $ i\text{’}$ ref...
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GATE BT 2022 | Question: 48
The amount of biomass in a reactor at the end of the batch process is $50 \; \text{g}.$ Fed-batch operation is initiated by feeding the substrate solution at a constant rate of $1 \; \text{L h}^{-1}.$ The concentration of substrate in the feed is ... system is at quasi-steady state, the maximum amount of biomass after $5 \; \text{h}$ of feeding is __________ $\text{g}.$
The amount of biomass in a reactor at the end of the batch process is $50 \; \text{g}.$ Fed-batch operation is initiated by feeding the substrate solution at a constant r...
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GATE BT 2022 | Question: 49
An enzyme catalyzes the conversion of substrate $\text{A}$ into product $\text{B}.$ The rate equation for this reaction is $-r_{A}= \dfrac{\text{C}_{A}}{5+C_{A}} \text{mol} \; \text{L}^{-1} \text{min}^{-1}$ Substrate $\text{A}$ at an ... $\text{MFR}$ required for $50\%$ conversion of substrate to product is __________ $\text{L}.$
An enzyme catalyzes the conversion of substrate $\text{A}$ into product $\text{B}.$ The rate equation for this reaction is$-r_{A}= \dfrac{\text{C}_{A}}{5+C_{A}} \text{mol...
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197
GATE BT 2022 | Question: 50
Liquid-phase mass transfer coefficient $(k_{L})$ is measured in a stirred tank vessel using steady-state method by sparging air. Oxygen uptake by the microorganism is measured. The bulk concentration of $\text{O}_{2}$ is $10^{-4} \text{mol L}^{-1}.$ ... $100\; \text{m}^{2}/\text{m}^{3},$ the value of $k_{L}$ is ___________ $\text{cm s}^{-1}.$
Liquid-phase mass transfer coefficient $(k_{L})$ is measured in a stirred tank vessel using steady-state method by sparging air. Oxygen uptake by the microorganism is mea...
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GATE BT 2022 | Question: 51
Consider a piston-cylinder assembly shown in the figure below. The walls of the cylinder are insulated. The cylinder contains $1$ mole of an ideal gas at $300 \; \text{K}$ and the piston is held initially at the position $\text{z}_{1}$ using a stopper. ... $\text{K}.$
Consider a piston-cylinder assembly shown in the figure below. The walls of the cylinder are insulated. The cylinder contains $1$ mole of an ideal gas at $300 \; \text{K}...
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GATE BT 2022 | Question: 52
Consider the growth of $\textit{S. cerevisiae}$ under aerobic condition in a bioreactor and the specific growth rate of yeast is $0.5\; \text{h}^{-1}.$ ... $\text{kL mol}^{-1}\text{h}^{-1}.$
Consider the growth of $\textit{S. cerevisiae}$ under aerobic condition in a bioreactor and the specific growth rate of yeast is $0.5\; \text{h}^{-1}.$ The overall reacti...
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GATE BT 2022 | Question: 53
A pilot sterilization was carried out in a vessel containing $1000\; \text{m}^{3}$ medium with an initial spore concentration of $10^{8} \;\text{spores/ml.}$ The accepted level of contamination after sterilization is $1$ spore in the entire vessel. The ... cycles, the holding time at $121^{\circ}\text{C}.$ (rounded off to nearest integer) is _________ $\text{min}.$
A pilot sterilization was carried out in a vessel containing $1000\; \text{m}^{3}$ medium with an initial spore concentration of $10^{8} \;\text{spores/ml.}$ The accepted...
Lakshman Bhaiya
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Lakshman Bhaiya
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Mar 20, 2022
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gatebt-2022
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