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#121
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GATE BT 2025 | Question: 45
​​​​Which of the following methods is/are used for identifying histone modifications?ChIP-seqMass spectrometryImmunofluorescencePatch-clamp electrophysiology
#122
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GATE BT 2025 | Question: 46
​​​​​Which of the following amino acids contain(s) two chiral carbons?L-LeucineL-ThreonineL-IsoleucineL-Asparagine
#123
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1 1 answer
GATE BT 2025 | Question: 47
A binary mixture of benzene and toluene under vapour-liquid equilibrium at $80^{\circ} \mathrm{C}$ follows ideal Raoult's law. At this condition, the saturation pressures...
#124
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GATE BT 2025 | Question: 48
In a fermentation process, each mole of glucose is converted to biomass $\left(\mathrm{CH}_{1.8} \mathrm{O}_{0.5} \mathrm{~N}_{0.2}\right)$, with a biomass yield coeffici...
#125
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GATE BT 2025 | Question: 49
Let $a_{0}=0$ and define $a_{n}=\frac{1}{2}\left(1+a_{n-1}\right)$ for all positive integers $n \geq 1$. The least value of $n$ for which $\left|1-a_{n}\right|<\frac{1}{2...
#126
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GATE BT 2025 | Question: 50
The percentage of light that would pass through a sample with an absorbance of $2$ would be $\_\_\_\_\_$ $\%$ .(Round off to the nearest integer)
#127
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1 1 answer
GATE BT 2025 | Question: 51
A hot, freshly-sterilised fermentation medium is cooled in a double-pipe heat-exchanger. The medium enters the inner pipe of the exchanger at $95^{\circ} \mathrm{C}$ and ...
#128
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1 1 answer
GATE BT 2025 | Question: 52
A $2 \: \mathrm{L}$ bioreactor is being operated as a chemostat, at a flow rate of $0.8 \: \mathrm{~L} / \mathrm{h}$ and sterile feed of $10 \: \mathrm{~g} / \mathrm{L}$ ...
#129
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GATE BT 2025 | Question: 53
Let $A=\left(\begin{array}{ccc}1 & 0 & 1 \\ 0 & k & 0 \\ 3 & 0 & -1\end{array}\right)$. If the eigenvalues of $A$ are $-2,1$, and $2$ , then the value of $k$ is $\_\_\_\_...
#130
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GATE BT 2025 | Question: 54
An NMR spectrometer operating at proton resonance frequency $(v)$ of $1 \: \mathrm{GHz}$ will have a magnetic field strength of $\_\_\_\_$ Tesla (T).The gyromagnetic rati...
#131
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GATE BT 2025 | Question: 55
For the coupled reactions given below\[\begin{array}{ll}\text { Glucose 6-phosphate }+\mathrm{H}_{2} \mathrm{O} \rightarrow \text { Glucose }+\mathrm{Pi} & \text { (React...
#132
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GATE bt 2023 question paper
Aqueous two-phase extraction is used to recover α-amylase from a solution. A polypropylene glycol-dextran mixture is added and the solution separates into upper and lower...
#133
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The degree of reduction of lactic acid (C3H6O3) is ________________.
The degree of reduction of lactic acid (C3H6O3) is ________________.
#134
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GATE BT 2024 | Question: 1
In adsorption chromatography, the adsorption of uncharged solute molecules onto a silica-based stationary phase is by $\_\_\_\_\_\_\_$.covalent bondselectrostatic interac...
#135
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GATE BT 2024 | Question: 2
The transfer function of a process is $G(s)=\frac{K_{p}}{\tau_{p} s+1}$, where $K_{p}$ is the gain and $\tau_{p}$ is the time constant. This is a $\_\_\_\_\_\_$ process.f...
#136
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1 1 answer
GATE BT 2024 | Question: 3
Which one of the following statements is correct in the context of thermodynamics?In a closed system, neither mass nor energy is transferred across the system boundaryIn ...
#137
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GATE BT 2024 | Question: 4
Which one of the following statements is correct about Reynolds Number $\left(N_{R e}\right)$ in a stirred tank bioreactor?$N_{R e}$ is independent of the viscosity of th...
#138
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1 1 answer
GATE BT 2024 | Question: 5
The relationship that involves the exchange of nutrients between two different species for their mutual growth is called $\_\_\_\_\_\_\_\_$antagonismcommensalismparasitis...
#139
1 1 vote
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GATE BT 2024 | Question: 6
Mendel's 'law of segregation' applies to the segregation of $\_\_\_\_\_\_\_\_$ during gamete formation.mitochondrial genesalleles of a genelinked genes on the same chromo...
#140
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GATE BT 2024 | Question: 7
Co-translational translocation of proteins is observed in $\_\_\_\_\_\_\_$.endoplasmic reticulumGolgi complexmitochondriaperoxisomes
#141
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GATE BT 2024 | Question: 8
$2$-mercaptoethanol breaks the $\_\_\_\_\_\_\_$ covalent bond between light and heavy chains of an immunoglobulin molecule.$\text{C-N}$ $\text{N-O}$$\text{S-C}$$\text{S-S...
#142
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1 1 answer
GATE BT 2024 | Question: 9
During normal embryonic development of the mice paw, elimination of cells from the inter-digital space is due to $\_\_\_\_\_\_\_$.apoptosismeiosismutagenesisnecrosis
#143
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GATE BT 2024 | Question: 10
A cultured skin fibroblast cell of a goat ' $\mathrm{P}$ ' was fused with an enucleated ovum of a goat ' $\mathrm{Q}$ '. The resultant activated early embryo was then tra...
#144
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GATE BT 2024 | Question: 11
Which one of the following bacteriophages has a genome composed of single stranded circular DNA?$\emptyset \text{X} 174$$\lambda$$\text{T}5$$\text{P}1$
#145
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1 1 answer
GATE BT 2024 | Question: 12
Which one of the following is an insect cell line?$\text{HEK} 293$$\text{Sf}9$$\text{DH}5$ $\alpha$ $\text{CHO}$
#146
1 1 vote
1 1 answer
GATE BT 2024 | Question: 13
Which one of the following is the basic principle of Sanger's DNA sequencing method?Chain termination by incorporation of dideoxynucleotidesChain elongation by incorporat...
#147
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GATE BT 2024 | Question: 14
An element that is present in a nucleotide but not in a nucleoside is $\_\_\_\_\_\_\_$carbonnitrogenoxygenphosphorous
#148
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GATE BT 2024 | Question: 15
Krebs $\text{(TCA)}$ cycle is $\_\_\_\_\_\_$ pathway.only an anaboliconly a catabolic an amphibolica pyogenic
#149
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GATE BT 2024 | Question: 16
If a denatured protein of human origin is injected into a rabbit, antibodies generated will recognize the $\_\_\_\_\_\_$ structure of the protein.primarysecondarytertiary...
#150
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GATE BT 2024 | Question: 17
All pseudogenes DO NOT code for a $\_\_\_\_\_\_\_$.protein with original functionprotein with altered functionRNA with coding sequenceRNA with regulatory function
#151
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GATE BT 2024 | Question: 18
A value of $k$ for which the linear equations $(k-1) x+3 y=0$ and $2 x+k y=0$ have a non-zero solution is $\_\_\_\_\_\_\_$.$1$$2$$3$$4$
#152
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GATE BT 2024 | Question: 19
The value of the series $1+\sin x+\cos ^{2} x+\sin ^{3} x+\cdots$ at $x=\frac{\pi}{4}$ is $\_\_\_\_\_\_\_$.$\frac{1}{\sqrt{2}+1}$$\frac{\sqrt{2}}{\sqrt{2}+1}$$\frac{1}{\s...
#153
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GATE BT 2024 | Question: 20
The solution of the differential equation $\frac{d y}{d x}=y+e^{-x}$ that satisfies $y(0)=-\frac{1}{2}$ is $\_\_\_\_\_\_\_$.$-\frac{1}{2} e^{-\frac{x}{2}}$$-\frac{1}{2} e...
#154
1 1 vote
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GATE BT 2024 | Question: 21
The six faces of a cube (die) are numbered as $1,2,3,4,5$ and $6$, and it is rolled once. An outcome is the observed number on the top face. If the probability of getting...
#155
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GATE BT 2024 | Question: 22
Let $\overrightarrow{O R}$ be the vector that is perpendicular to the vectors $\overrightarrow{O P}=2 \hat{\imath}-3 \hat{\jmath}+\hat{k}$ and $\overrightarrow{O Q}=-2 \h...
#156
1 1 vote
1 1 answer
GATE BT 2024 | Question: 23
The degree of reduction (reductance) for oxalic acid $\left(\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_4\right)$ is $\_\_\_\_\_\_$.
#157
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GATE BT 2024 | Question: 24
If the rate at which E. coli divides is $0.5 \mathrm{~h}^{-1}$, then its doubling time is $\_\_\_\_\_\_\_$ $\text{h}$.
#158
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GATE BT 2024 | Question: 25
The decimal reduction time of a microbe during sterilization at $120{ }^{\circ} \mathrm{C}$ with a first order thermal death rate constant of $1 \mathrm{~min}^{-1}$ will ...
#159
–1 –1 vote
1 1 answer
GATE BT 2024 | Question: 26
Match the disease (Column I) with its biological vector (Column II).\begin{array}{|c|c|c|}\hline \text{Column I} & \text{Column II} \\\hline P. \text{Chagas disease} & ...
#160
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GATE BT 2024 | Question: 27
Match the industrial enzyme (Column I) with its application (Column II).\begin{array}{|c|c|c|}\hline \text{Column I} & \text{Column II} \\\hline \text{P. Lipase} & 1. \...
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