GO BioTechnology
Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Filter
No answer
No selected answer
No upvoted answer
Previous GATE
Featured
Recent questions without answers
0
votes
0
answers
201
GATE BT 2021 | Question: 8
$\dfrac{d}{dx} \left [ \ln (2x) \right ]$ is equal to $1/2x \\$ $1/x \\$ $1 /2 \\$ $x$
$\dfrac{d}{dx} \left [ \ln (2x) \right ]$ is equal to$1/2x \\$$1/x \\$$1 /2 \\$$x$
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Calculus
gatebt-2021
calculus
derivatives
+
–
0
votes
0
answers
202
GATE BT 2021 | Question: 9
Which one of the following techniques/tools is $\text{NOT}$ used for inserting a foreign gene into a cell? $\text{DNA}$ microarray Electroporation Gene gun Microinjection
Which one of the following techniques/tools is $\text{NOT}$ used for inserting a foreign gene into a cell?$\text{DNA}$ microarrayElectroporationGene gunMicroinjection
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
203
GATE BT 2021 | Question: 10
Under standard temperature $(T)$ and pressure $(P)$ conditions, $128 \: g$ of an ideal has molecule $A$ occupies a volume of $1 \: L$. The gas molecule $A$ obeys the relationship $\text{RT=0.25 PV}$. $R$ and $V$ are universal gas constant and ideal gas volume, respectively. The molecule $A$ is $\text{CO}_2$ $\text{H}_2$ $\text{N}_2$ $\text{O}_2$
Under standard temperature $(T)$ and pressure $(P)$ conditions, $128 \: g$ of an ideal has molecule $A$ occupies a volume of $1 \: L$. The gas molecule $A$ obeys the rela...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
204
GATE BT 2021 | Question: 11
$\text{CRISPR-Cas}$ system is associated with adaptive immunity in eukaryotes adaptive immunity in prokaryotes innate immunity in eukaryotes innate immunity in prokaryotes
$\text{CRISPR-Cas}$ system is associated withadaptive immunity in eukaryotesadaptive immunity in prokaryotesinnate immunity in eukaryotesinnate immunity in prokaryotes
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
205
GATE BT 2021 | Question: 12
The process by which intracellular macromolecules are supplied for lysosomal degradation during nutrient starvation is apoptosis autophagy phagocytosis pinocytosis
The process by which intracellular macromolecules are supplied for lysosomal degradation during nutrient starvation isapoptosisautophagyphagocytosispinocytosis
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
206
GATE BT 2021 | Question: 13
The process and instrumentation diagram for a feedback control strategy to maintain the level $(h)$ of a liquid by regulating a valve $(V)$ in a tank is shown below. $F_1$ is inlet liquid flow rate, $F_2$ is outlet liquid flow rate, $LT$ is the liquid ... pressure. The manipulating variable(s) is/are $F_1$ only $F_2$ only $h_m$ and $P_v$ only $h_{sp}$ and $P_v$ only
The process and instrumentation diagram for a feedback control strategy to maintain the level $(h)$ of a liquid by regulating a valve $(V)$ in a tank is shown below. $F_1...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
207
GATE BT 2021 | Question: 14
A protein without its prosthetic group is known as apoprotein hemoprotein holoprotein lipoprotein
A protein without its prosthetic group is known asapoproteinhemoproteinholoproteinlipoprotein
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
208
GATE BT 2021 | Question: 15
The enzyme which adds phosphate group to the free $5’$ terminus of a $\text{DNA}$ sequence is adenosine kinase alkaline phosphatase polynucleotide kinase terminal deoxynucleotidyl transferase
The enzyme which adds phosphate group to the free $5’$ terminus of a $\text{DNA}$ sequence isadenosine kinasealkaline phosphatasepolynucleotide kinaseterminal deoxynucl...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
209
GATE BT 2021 | Question: 16
Which one of the following is $\text{CORRECT}$ about microbial growth medium? Luria-Bertani broth is a synthetic medium Nutrient broth is a defined medium Sabouraud dextrose agar is a differential medium Trypticase soy agar is a complex medium
Which one of the following is $\text{CORRECT}$ about microbial growth medium?Luria-Bertani broth is a synthetic mediumNutrient broth is a defined mediumSabouraud dextrose...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
210
GATE BT 2021 | Question: 17
The cellular process which utilizes $\text{RNA}$-induced silencing complex to block gene expression is $\text{RNA}$ editing $\text{RNA}$ interference $\text{RNA}$ polyadenylation $\text{RNA}$ splicing
The cellular process which utilizes $\text{RNA}$-induced silencing complex to block gene expression is$\text{RNA}$ editing$\text{RNA}$ interference$\text{RNA}$ polyadenyl...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
211
GATE BT 2021 | Question: 18
Which of the following layer(s) is/are formed from the inner cell mass of the blastocyst? Ectoderm Endoderm Mesoderm Trophectoderm
Which of the following layer(s) is/are formed from the inner cell mass of the blastocyst?EctodermEndodermMesodermTrophectoderm
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
212
GATE BT 2021 | Question: 19
Which of the following cell organelle(s) is/are surrounded by a single phospholipid membrane? Golgi apparatus Lysosome Mitochondria Nucleus
Which of the following cell organelle(s) is/are surrounded by a single phospholipid membrane?Golgi apparatusLysosomeMitochondriaNucleus
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
213
GATE BT 2021 | Question: 20
The sum of the infinite geometric series $1 + 1/3 + 1/3^2+ 1/3^3+ \dots$ (rounded off to one decimal place) is ___________
The sum of the infinite geometric series $1 + 1/3 + 1/3^2+ 1/3^3+ \dots$ (rounded off to one decimal place) is ___________
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Calculus
gatebt-2021
numerical-answers
calculus
sequences-and-series
infinite-geometric-series
+
–
0
votes
0
answers
214
GATE BT 2021 | Question: 21
Three balls, colored in blue, green and red, are successively transferred from box $A$ to box $B$ in the order $\text{BLUE-GREEN-RED.}$ The probability of a reverse transfer of the balls to the box $A$ in the same order (rounded off to two decimal places) is ____________
Three balls, colored in blue, green and red, are successively transferred from box $A$ to box $B$ in the order $\text{BLUE-GREEN-RED.}$ The probability of a reverse trans...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
215
GATE BT 2021 | Question: 22
Decimal reduction time of a bacterial strain is $20 \textit{ min}$. Specific death rate constant in $\textit{min}^{-1}$ (rounded off to two decimal places) is ___________
Decimal reduction time of a bacterial strain is $20 \textit{ min}$. Specific death rate constant in $\textit{min}^{-1}$ (rounded off to two decimal places) is ___________...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
216
GATE BT 2021 | Question: 23
The value of $\underset{x \to 0} \lim \left [ \dfrac{x- \sin 2x}{x-\sin 5x} \right]$ (rounded off to two decimal places) is __________
The value of $\underset{x \to 0} \lim \left [ \dfrac{x- \sin 2x}{x-\sin 5x} \right]$ (rounded off to two decimal places) is __________
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Calculus
gatebt-2021
numerical-answers
calculus
limits
+
–
0
votes
0
answers
217
GATE BT 2021 | Question: 25
The enzyme $\alpha$-amylase used in starch hydrolysis has an affinity constant $(K_m)$ value of $0.005 \: M$. To achieve one-fourth of the maximum rate of hydrolysis, the required starch concentration $mM$ (rounded off to two decimal places) is ____________
The enzyme $\alpha$-amylase used in starch hydrolysis has an affinity constant $(K_m)$ value of $0.005 \: M$. To achieve one-fourth of the maximum rate of hydrolysis, the...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
218
GATE BT 2021 | Question: 26
Which one of the following represents non-growth associated product formation kinetics in a bioprocess system? $X$ and $P$ denote viable cell and product concentrations, respectively.
Which one of the following represents non-growth associated product formation kinetics in a bioprocess system? $X$ and $P$ denote viable cell and product concentrations, ...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
219
GATE BT 2021 | Question: 27
Match enzymes in $\text{Group I}$ with their corresponding industrial application in $\text{Group II}$ ... $P-1, Q-3, R-2, S-4$ $P-1, Q-2, R-3, S-4$ $P-1, Q-4, R-2, S-3$
Match enzymes in $\text{Group I}$ with their corresponding industrial application in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Gro...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
220
GATE BT 2021 | Question: 28
Match separation methods in $\text{Group I}$ with associated properties in $\text{Group II}$ ... $P-3, Q-1, R-2, S-4$ $P-1, Q-3, R-2, S-4$ $P-1, Q-2, R-4, S-3$
Match separation methods in $\text{Group I}$ with associated properties in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II} \\ ...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
221
GATE BT 2021 | Question: 29
Match the autoimmune diseases in $\text{Group I}$ with the corresponding primarily affected organ in $\text{Group II}$ ... $P-3, Q-1, R-2, S-4$ $P-4, Q-2, R-1, S-3$ $P-1, Q-2, R-4, S-3$
Match the autoimmune diseases in $\text{Group I}$ with the corresponding primarily affected organ in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
222
GATE BT 2021 | Question: 30
Match hypersensitivity types in $\text{Group I}$ with their corresponding condition in $\text{Group II}$ ... $P-3, Q-1, R-4, S-2$ $P-2, Q-3, R-4, S-1$ $P-2, Q-1, R-3, S-4$
Match hypersensitivity types in $\text{Group I}$ with their corresponding condition in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{G...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
223
GATE BT 2021 | Question: 31
Which of the following combinations of plant hormones and their associated function are $\text{CORRECT}$ ... $P$ and $R$ only $P$ and $S$ only $Q$ and $R$ only $Q$ and $S$ only
Which of the following combinations of plant hormones and their associated function are $\text{CORRECT}$?$$\begin{array}{|l|l|l|} \hline & \textbf{Hormone} & \textbf{Func...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
224
GATE BT 2021 | Question: 32
Which one of the following tools is used to compare all the possible six-open reading frames of a given nucleotide query sequence with all the available six-open reading frames of the nucleotide sequence database? $\text{BLASTN}$ $\text{BLASTX}$ $\text{TBLASTN}$ $\text{TBLASTX}$
Which one of the following tools is used to compare all the possible six-open reading frames of a given nucleotide query sequence with all the available six-open reading ...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
225
GATE BT 2021 | Question: 33
In $\textit{Neurospora crassa}$, a mutation in the $\textit{poky}$ gene results in a slow growth phenotype (poky). The results of four crosses are given below. wild-type $ ♀ \times$ ... poky Which one of the following explains the inheritance mode of poky? Episomal inheritance Mendelian inheritance Mitochondrial inheritance X-linked inheritance
In $\textit{Neurospora crassa}$, a mutation in the $\textit{poky}$ gene results in a slow growth phenotype (poky). The results of four crosses are given below.wild-type $...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
226
GATE BT 2021 | Question: 34
Tertiary structure of a protein consisting of $\alpha$-helices and $\beta$-strands can be determined by circular dichroism spectroscopy mass spectrometry nuclear magnetic resonance spectroscopy $\text{UV}$ spectroscopy
Tertiary structure of a protein consisting of $\alpha$-helices and $\beta$-strands can be determined bycircular dichroism spectroscopymass spectrometrynuclear magnetic re...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
+
–
0
votes
0
answers
227
GATE BT 2021 | Question: 35
Which of the following statement(s) is/are $\text{CORRECT}$ about $\textit{Agrobacterium tumefaciens}$? It contains tumor inducing plasmid It causes crown gall disease in dicotyledonous plants It is a Gram-positive soil bacterium It is used in generating transgenic plants
Which of the following statement(s) is/are $\text{CORRECT}$ about $\textit{Agrobacterium tumefaciens}$?It contains tumor inducing plasmidIt causes crown gall disease in d...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
228
GATE BT 2021 | Question: 36
Which of the following antimicrobial agent(s) is/are growth factor analog(s)? $5$-Fluorouracil Isoniazid Sulfanilamide Tetracycline
Which of the following antimicrobial agent(s) is/are growth factor analog(s)?$5$-FluorouracilIsoniazidSulfanilamideTetracycline
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
229
GATE BT 2021 | Question: 37
Which of the following chemical messenger(s) is/are derivative(s) of tryptophan? $\gamma$-amino butyric acid Indole acetic acid Melatonin Serotonin
Which of the following chemical messenger(s) is/are derivative(s) of tryptophan?$\gamma$-amino butyric acidIndole acetic acidMelatoninSerotonin
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
230
GATE BT 2021 | Question: 38
Which of the following nucleus/nuclei is/are $\text{NMR}$ active? $^1H$ $^{13}C$ $^{16}O$ $^{32}S$
Which of the following nucleus/nuclei is/are $\text{NMR}$ active?$^1H$$^{13}C$$^{16}O$$^{32}S$
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
multiple-selects
+
–
0
votes
0
answers
231
GATE BT 2021 | Question: 39
In a Mendel’s dilhybrid experiment, a homozygous pea plant with round yellow seeds was crossed with a homozygous plant with wrinkled green seeds. $F_1$ intercross produced $560 \: F_2$ progency. The number of $F_2$ progency having both dominant traits (round and yellow) is ____________
In a Mendel’s dilhybrid experiment, a homozygous pea plant with round yellow seeds was crossed with a homozygous plant with wrinkled green seeds.$F_1$ intercross produc...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
232
GATE BT 2021 | Question: 40
A $0.1 \textit{ mL}$ aliquot of a bacteriophage stock having a concentration of $4 \times 10^9 \textit{ phages mL}^{-1}$ is added to $0.5 \textit{ mL}$ of $\textit{E. coli}$ culture having a concentration of $2 \times 10^8 \textit{ cells mL}^{-1}$. The multiplicity of infection is ________
A $0.1 \textit{ mL}$ aliquot of a bacteriophage stock having a concentration of $4 \times 10^9 \textit{ phages mL}^{-1}$ is added to $0.5 \textit{ mL}$ of $\textit{E. col...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
233
GATE BT 2021 | Question: 41
If the area of a triangle with the vertices $(k,0), (2,0)$ and $(0, -2)$ is $2$ square units, the value of $k$ is _________
If the area of a triangle with the vertices $(k,0), (2,0)$ and $(0, -2)$ is $2$ square units, the value of $k$ is _________
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Calculus
gatebt-2021
numerical-answers
calculus
geometry
triangles
area
+
–
0
votes
0
answers
234
GATE BT 2021 | Question: 42
In a chemostat with a dilution rate of $0.8$ $h^{-1}$, the steady state biomass concentration and the specific product formation rate are $8 \textit{ mol m}^{-3}$ and $0.2 \;(\textit{mol product}) (\textit{mol biomass})^{-1} \: h^{-1}$, respectively. The steady state product concentration in $\textit{mol m}^{-3}$ is ___________
In a chemostat with a dilution rate of $0.8$ $h^{-1}$, the steady state biomass concentration and the specific product formation rate are $8 \textit{ mol m}^{-3}$ and $0....
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
235
GATE BT 2021 | Question: 43
If the values of two random variables $(X,Y)$ are $(121, 360)$, $(242, 364)$ and $(363, 362)$, the value of correlation coefficient between $X$ and $Y$ (rounded off to one decimal place) is ________.
If the values of two random variables $(X,Y)$ are $(121, 360)$, $(242, 364)$ and $(363, 362)$, the value of correlation coefficient between $X$ and $Y$ (rounded off to on...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Probability and Statistics
gatebt-2021
numerical-answers
probability-and-statistics
statistics
correlation
+
–
0
votes
0
answers
236
GATE BT 2021 | Question: 44
The determinant of matrix $A = \begin{pmatrix} 1 & 1& 1 & 1 \\ -1 & 1 & 1 & 1 \\ -1 & -1 & 1 & 1 \\ 1 & 1 & 1 & 3 \end{pmatrix}$ is __________.
The determinant of matrix $A = \begin{pmatrix} 1 & 1& 1 & 1 \\ -1 & 1 & 1 & 1 \\ -1 & -1 & 1 & 1 \\ 1 & 1 & 1 & 3 \end{pmatrix}$ is __________.
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Linear Algebra
gatebt-2021
numerical-answers
linear-algebra
matrices
determinant
+
–
0
votes
0
answers
237
GATE BT 2021 | Question: 45
It is desired to scale-up a fermentation from $1L$ to $1000L$ vessel by maintaining a constant power-to-volume ratio. The small fermenter is operated at an agitator speed of $300$ rotations per minute $(\textit{rpm})$. If the value of scale up factor is $10$, agitator speed in $\textit{rpm}$ (rounded off to the nearest integer) for the large fermenter is _________.
It is desired to scale-up a fermentation from $1L$ to $1000L$ vessel by maintaining a constant power-to-volume ratio. The small fermenter is operated at an agitator speed...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
–1
votes
0
answers
238
GATE BT 2021 | Question: 46
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^...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
239
GATE BT 2021 | Question: 47
A sedimentation tank of height $100 \textit{ cm}$ is used in a conventional activated sludge process to separate a suspension of spherical shaped granular sludge biomass of $0.5 \textit{ mm}$ diameter. The viscosity of the liquid is ... their terminal velocity instantaneously, the biomass settling time in $\textit{min}$ (rounded off to two decimal places) is ___________
A sedimentation tank of height $100 \textit{ cm}$ is used in a conventional activated sludge process to separate a suspension of spherical shaped granular sludge biomass ...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
0
votes
0
answers
240
GATE BT 2021 | Question: 48
In a random mating population, $Y$ and $y$ are dominant and recessive alleles, respectively. If the frequency of $Y$ allele in both sperm and egg is $0.70$, then the frequency $Y/y$ heterozygotes (rounded off to two decimal places) is ___________.
In a random mating population, $Y$ and $y$ are dominant and recessive alleles, respectively. If the frequency of $Y$ allele in both sperm and egg is $0.70$, then the freq...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatebt-2021
numerical-answers
+
–
Page:
« prev
1
...
3
4
5
6
7
8
9
...
21
next »
GO BioTechnology
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register