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121
GATE BT 2023 | Question: 45
DNA sample collected from an unidentified bacterial species $(Y)$ contains $13 \%$ of adenine. The $G+C$ content (in percentage) of $Y$ is ____________.
DNA sample collected from an unidentified bacterial species $(Y)$ contains $13 \%$ of adenine. The $G+C$ content (in percentage) of $Y$ is ____________.
admin
2.7k
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admin
asked
May 21, 2023
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122
GATE BT 2023 | Question: 46
If $1000 \mathrm{bp}$ of a double-helical DNA weighs $1 \times 10^{-18} \mathrm{gm}$ and distance between two $\mathrm{bp}$ is $0.34 \mathrm{~nm}$, the total amount of DNA (in mg, rounded off to one decimal place) required to stretch from Earth to Moon (assuming the distance between Earth and Moon to be $3,74,000 \mathrm{~km}$ ) is ______________.
If $1000 \mathrm{bp}$ of a double-helical DNA weighs $1 \times 10^{-18} \mathrm{gm}$ and distance between two $\mathrm{bp}$ is $0.34 \mathrm{~nm}$, the total amount of DN...
admin
2.7k
points
admin
asked
May 21, 2023
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123
GATE BT 2023 | Question: 47
A protein has three identical sites arranged at the vertices of an equilateral triangle. If one site is filled with a dye (donor), the measured quantum yield $\left(\phi_{D}\right)$ is $0.5$. Filling one site with a donor dye and a ... of one site filled with donor and the other two sites filled with acceptor dye (rounded off to three decimal places) is _____________.
A protein has three identical sites arranged at the vertices of an equilateral triangle. If one site is filled with a dye (donor), the measured quantum yield $\left(\phi_...
admin
2.7k
points
admin
asked
May 21, 2023
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124
GATE BT 2023 | Question: 48
If $A=\left(\begin{array}{ll}1 & 2 \\ 3 & 5\end{array}\right)$, the value of $\left|A^{4}+3 A^{2}-5 A+6 I\right|$ is _____________.
If $A=\left(\begin{array}{ll}1 & 2 \\ 3 & 5\end{array}\right)$, the value of $\left|A^{4}+3 A^{2}-5 A+6 I\right|$ is _____________.
admin
2.7k
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admin
asked
May 21, 2023
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125
GATE BT 2023 | Question: 49
If $f(x)=\frac{\sin x+\cos x}{\sin x-\cos x}$, the value of $f^{\prime}(x)$ at $x=0$ is ___________.
If $f(x)=\frac{\sin x+\cos x}{\sin x-\cos x}$, the value of $f^{\prime}(x)$ at $x=0$ is ___________.
admin
2.7k
points
admin
asked
May 21, 2023
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126
GATE BT 2023 | Question: 50
If $f(2)=5$ and $(f(x))(f(x+1))=3$ for all real values of $x$, the value of $f(10)$ is ____________.
If $f(2)=5$ and $(f(x))(f(x+1))=3$ for all real values of $x$, the value of $f(10)$ is ____________.
admin
2.7k
points
admin
asked
May 21, 2023
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127
GATE BT 2023 | Question: 51
Ten playing cards numbered $1,2,3, \ldots, 10$ are placed face down on a table. One card is drawn at random, its number recorded, and then replaced face down. A card is drawn again at random. The probability that the number on the second draw is greater than the number on the first draw (rounded off to two decimal places) is ___________.
Ten playing cards numbered $1,2,3, \ldots, 10$ are placed face down on a table. One card is drawn at random, its number recorded, and then replaced face down. A card is d...
admin
2.7k
points
admin
asked
May 21, 2023
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128
GATE BT 2023 | Question: 52
The values of the consistency index ' $K$ ' and the flow behavior index ' $n$ ' of a dilatant fluid are 0.415 (in CGS units) and $1.23$, respectively. The value of the apparent viscosity (in $g . \mathrm{cm}^{-1} . \mathrm{s}^{-1}$ ) of this fluid at a shear rate of $60 \mathrm{~s}^{-1}$ (rounded off to the nearest integer) is _____________.
The values of the consistency index ' $K$ ' and the flow behavior index ' $n$ ' of a dilatant fluid are 0.415 (in CGS units) and $1.23$, respectively. The value of the ap...
admin
2.7k
points
admin
asked
May 21, 2023
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129
GATE BT 2023 | Question: 53
An evaporator is insulated using glass wool material of $0.15 \mathrm{~m}$ thickness. The inner most surface and the outer surface of the insulation are at $700{ }^{\circ} \mathrm{C}$ and $80^{\circ} \mathrm{C}$, respectively. The mean thermal ... in $W$ ) through $1.2 \mathrm{~m}^2$ of the evaporator wall surface (rounded off to the nearest integer) is ______________.
An evaporator is insulated using glass wool material of $0.15 \mathrm{~m}$ thickness. The inner most surface and the outer surface of the insulation are at $700{ }^{\circ...
admin
2.7k
points
admin
asked
May 21, 2023
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130
GATE BT 2023 | Question: 54
A proportional controller is used to control the temperature of an autoclave from $60^{\circ} \mathrm{C}$ to $130^{\circ} \mathrm{C}$. If the proportional band setting of the controller is $25 \%$, the proportional gain value is ___________.
A proportional controller is used to control the temperature of an autoclave from $60^{\circ} \mathrm{C}$ to $130^{\circ} \mathrm{C}$. If the proportional band setting of...
admin
2.7k
points
admin
asked
May 21, 2023
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131
GATE BT 2023 | Question: 55
A dNTP master-mix is prepared by combining $40 \mu L$ of each $20 \mathrm{mM}$ dNTP stock (dATP, dCTP, dGTP and dTTP). $4 \mu L$ of this dNTP master-mix is added to a PCR mix and the final volume is adjusted to $50 \mu L$. The concentration (in $\mu M$ ) of total dNTPs in the $\text{PCR}$ mix is _____________.
A dNTP master-mix is prepared by combining $40 \mu L$ of each $20 \mathrm{mM}$ dNTP stock (dATP, dCTP, dGTP and dTTP). $4 \mu L$ of this dNTP master-mix is added to a PCR...
admin
2.7k
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admin
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May 21, 2023
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132
GATE 2022 -BT
The specific growth rate of a mold during exponential phase of its growth in a batch cultivation is 0.15 h−1 . If the cell concentration at 30 h is 33 g L−1 , the cell concentration in g L−1 (rounded off to the nearest integer) at 24 h is ________.
The specific growth rate of a mold during exponential phase of its growth in a batch cultivation is 0.15 h−1 . If the cell concentration at 30 h is 33 g L−1 ,the cell...
Kusumdabodiya
120
points
Kusumdabodiya
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Mar 8, 2023
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133
How yeast used for whisky production is different from the baker’s yeast and brewer’s yeast?
Deepika sharma gq
110
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Deepika sharma gq
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May 11, 2022
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134
GATE BT 2022 | Question: 1
What is the order of the differential equation given below? $\dfrac{d^{2}y}{dx^{2}} – 6x = 3x^{4} – 2x^{3} + 2$ $1$ $2$ $3$ $4$
What is the order of the differential equation given below?$\dfrac{d^{2}y}{dx^{2}} – 6x = 3x^{4} – 2x^{3} + 2$$1$$2$$3$$4$
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
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Mar 20, 2022
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135
GATE BT 2022 | Question: 2
If the eigenvalues of a $2 \times 2$ matrix $P$ are $4$ and $2,$ then the eigenvalues of the matrix $P^{-1}$ are $0, 0$ $0.0625, 0.25$ $0.25, 0.5$ $2, 4$
If the eigenvalues of a $2 \times 2$ matrix $P$ are $4$ and $2,$ then the eigenvalues of the matrix $P^{-1}$ are$0, 0$$0.0625, 0.25$$0.25, 0.5$$2, 4$
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
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Mar 20, 2022
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136
GATE BT 2022 | Question: 3
For a double-pipe heat exchanger, the inside and outside heat transfer coefficients are $100$ and $200 \; \text{W m}^{-2} \text{K}^{-1},$ respectively. The thickness and thermal conductivity of the thin-walled inner pipe are $1 \; \text{cm}$ ... overall heat transfer coefficient is __________ $\text{W m}^{-2} \text{K}^{-1}.$ $0.016$ $42.5$ $62.5$ $310$
For a double-pipe heat exchanger, the inside and outside heat transfer coefficients are $100$ and $200 \; \text{W m}^{-2} \text{K}^{-1},$ respectively. The thickness and ...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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137
GATE BT 2022 | Question: 4
Match the media component (Column I) with its role (Column II). ... $\text{P-3, Q-2, R-4, S-1}$ $\text{P-3, Q-4, R-2, S-1}$
Match the media component (Column I) with its role (Column II).$$\begin{array} {ll} \textbf{Column I} & \textbf{Column I} \\ \text{P. Sucrose} & \text{1. Anti-foam agen...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
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Mar 20, 2022
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138
GATE BT 2022 | Question: 5
The binding free energy of a ligand to its receptor protein is $-11.5 \; \text{kJ mol}^{-1}$ at $300 \; \text{K.}$ What is the value of the equilibrium binding constant? Use $\text{R = 8.314 J mol}^{-1} \text{K}^{-1}.$ $0.01$ $1.0$ $4.6$ $100.5$
The binding free energy of a ligand to its receptor protein is $-11.5 \; \text{kJ mol}^{-1}$ at $300 \; \text{K.}$ What is the value of the equilibrium binding constant?U...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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139
GATE BT 2022 | Question: 6
The overall stoichiometry for an aerobic cell growth is $3 \text{C}_{6} \text{H}_{12} \text{O}_{6} + 2.5 \text{NH}_{3} + \text{O}_{2} \rightarrow 1.5 \text{C}_{a} \text{H}_{b} \text{O}_{c} \text{N}_{d} + 3\text{CO}_{2} + 5\text{H}_{2} \text{O}$ What is the ... $\text{C}_{10} \text{H}_{22.33}\text{O}_{6}\text{N}_{1.667}$
The overall stoichiometry for an aerobic cell growth is$3 \text{C}_{6} \text{H}_{12} \text{O}_{6} + 2.5 \text{NH}_{3} + \text{O}_{2} \rightarrow 1.5 \text{C}_{a} \text{H}...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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140
GATE BT 2022 | Question: 7
In binomial nomenclature, the name of a bacterial strain is written with the first letter of __________ word(s) being capitalized. first second neither first and second
In binomial nomenclature, the name of a bacterial strain is written with the first letter of __________ word(s) being capitalized.firstsecondneitherfirst and second
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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141
GATE BT 2022 | Question: 8
The type of nucleic acid present in $\lambda$-phage is Double stranded $\text{DNA}$ Single stranded circular $\text{DNA}$ Single stranded $\text{DNA}$ Single stranded $\text{RNA}$
The type of nucleic acid present in $\lambda$-phage isDouble stranded $\text{DNA}$Single stranded circular $\text{DNA}$Single stranded $\text{DNA}$Single stranded $\text{...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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142
GATE BT 2022 | Question: 9
Which of the following statements about reversible enzyme inhibitors are $\text{CORRECT}?$ ... $\text{Q}$ and $\text{R}$ only $\text{P, Q}$ and $\text{R}$
Which of the following statements about reversible enzyme inhibitors are $\text{CORRECT}?$Uncompetitive inhibitors bind only to the enzyme-substrate complexNon-competitiv...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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143
GATE BT 2022 | Question: 10
Match the component of eukaryotic cells (Column I) with its respective function (Column II). ... $\text{P-3, Q-1, R-2, S-4}$ $\text{P-4, Q-3, R-1, S-2}$
Match the component of eukaryotic cells (Column I) with its respective function (Column II).$$\begin{array}{lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. Lyso...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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144
GATE BT 2022 | Question: 11
In animal cells, the endogenously produced $\text{miRNAs}$ silence gene expression by base pairing with the $3’$-untranslated region of specific $\text{mRNAs}$ blocking $\text{mRNA}$ synthesis binding to the operator site base pairing with the $3’$ region of specific $\text{rRNAs}$
In animal cells, the endogenously produced $\text{miRNAs}$ silence gene expression bybase pairing with the $3’$-untranslated region of specific $\text{mRNAs}$blocking $...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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145
GATE BT 2022 | Question: 12
Terpenoids are made of _________ units. amino acid carbohydrate isoprene triacylglycerol
Terpenoids are made of _________ units.amino acidcarbohydrateisoprenetriacylglycerol
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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146
GATE BT 2022 | Question: 13
Match the microbial product (Column I) with its respective application (Column II). ... $\text{P-2, Q-1, R-3}$ $\text{P-3, Q-2, R-1}$ $\text{P-3, Q-1, R-2}$
Match the microbial product (Column I) with its respective application (Column II).$$\begin{array} {lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. Methane} & &...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
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147
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
points
Lakshman Bhaiya
asked
Mar 20, 2022
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148
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
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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149
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
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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150
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...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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151
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 ...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
gatebt-2022
numerical-answers
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152
GATE BT 2022 | Question: 19
The degree of reduction of lactic acid $(\text{C}_{3} \text{H}_{6} \text{O}_{3})$ is __________.
The degree of reduction of lactic acid $(\text{C}_{3} \text{H}_{6} \text{O}_{3})$ is __________.
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
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153
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...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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154
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 _________.
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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155
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 ________.
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
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156
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 ________ $\text{h}^{-1}.$
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
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numerical-answers
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157
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 ...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
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numerical-answers
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158
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
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
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159
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 $...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
gatebt-2022
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160
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} \\...
Lakshman Bhaiya
1.4k
points
Lakshman Bhaiya
asked
Mar 20, 2022
Others
gatebt-2022
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