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121
GATE BT 2023 | Question: 32
Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs? They contain quinolone ring(s) They inhibit RNA polymerase They bind to bacterial topoisomerase They bind to $23 S$ rRNA within the $50 \mathrm{~S}$ ribosome subunit
Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs?They contain quinolone ring(s)They inhibit RNA polymeraseThey bind to bacterial topoisomerase...
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122
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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123
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
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1 answer
126
GATE BT 2023 | Question: 19
Which one of the following plant growth regulators facilitates adventitious root formation? Auxin Zeatin Dihydrozeatin Kinetin
Which one of the following plant growth regulators facilitates adventitious root formation?AuxinZeatin DihydrozeatinKinetin
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128
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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132
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).$$\begin{array} {ll} \textbf{Column I} & \textbf{Column I} \\ \text{P. Sucrose} & \text{1. Anti-foam agen...
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133
GATE2016-51
A protein is to be purified using ion-exchange column chromatography. The relationship between HETP (Height Equivalent to Theoretical Plate) and the linear liquid velocity of mobile phase is given by: $H = \dfrac{A}{u} + Bu + C$ Where $H$ is HETP (m) and ... $66$ cm length will be _________
A protein is to be purified using ion-exchange column chromatography. The relationship between HETP (Height Equivalent to Theoretical Plate) and the linear liquid velocit...
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135
GATE BT 2022 | Question: 14
Which of the following is $\text{NOT}$ used for generating an optimal alignment of two nucleotide sequences? Gap penalties Match scores Mismatch scores Nucleotide composition
Which of the following is $\text{NOT}$ used for generating an optimal alignment of two nucleotide sequences?Gap penaltiesMatch scoresMismatch scoresNucleotide composition...
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138
GATE BT 2021 | Question: 31
Which of the following combinations of plant hormones and their associated function are $\text{CORRECT}$ ... $P$ and $R$ only $P$ and $S$ only $Q$ and $R$ only $Q$ and $S$ only
Which of the following combinations of plant hormones and their associated function are $\text{CORRECT}$?$$\begin{array}{|l|l|l|} \hline & \textbf{Hormone} & \textbf{Func...
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139
GATE BT 2023 | Question: 12
In ELISA, which of the following enzymes are conjugated to antibodies for detection of the analyte? P. Alkaline phosphatase Q. Trypsinase R. Horseradish peroxidase S. Amylase $\mathrm{P}$ and $\mathrm{R}$ $\text{P}$ and $\text{Q}$ $\text{Q}$ and $\text{S}$ $\mathrm{R}$ and $\mathrm{S}$
In ELISA, which of the following enzymes are conjugated to antibodies for detection of the analyte?P. Alkaline phosphataseQ. TrypsinaseR. Horseradish peroxidaseS. Amylase...
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140
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...
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142
GATE2016-8
Which one of the following is NOT an algorithm for building phylogenetic trees? Maximum parsimony Neighbor joining Maximum likelihood Bootstrap
Which one of the following is NOT an algorithm for building phylogenetic trees?Maximum parsimonyNeighbor joiningMaximum likelihoodBootstrap
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143
GATE2017-25
At the transcription start site of a gene, any of the four nucleotides can occur with equal probability $p$. The Shannon Entropy $S$, given by $S= – \Sigma_{i=1}^4 p_i \ln p_i$, for this start site is _________
At the transcription start site of a gene, any of the four nucleotides can occur with equal probability $p$. The Shannon Entropy $S$, given by $S= – \Sigma_{i=1}^4 p_i ...
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144
GATE2012-24
The molarity of water in a water : ethanol mixture ($15 : 85$, v/v) is approximately $0.85$ $5.55$ $8.5$ $55.5$
The molarity of water in a water : ethanol mixture ($15 : 85$, v/v) is approximately$0.85$$5.55$$8.5$$55.5$
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146
GATE2016-1
Bacteria with two or more flagella at one or both ends are called amphitrichous peritrichous lophotrichous atrichous
Bacteria with two or more flagella at one or both ends are calledamphitrichousperitrichouslophotrichousatrichous
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147
GATE2016-5
In a typical mitotic cell division cycle in eukaryotes, $M$ phase occurs immediately after the $G_0$ phase $S$ phase $G_1$ phase $G_2$ phase
In a typical mitotic cell division cycle in eukaryotes, $M$ phase occurs immediately after the$G_0$ phase$S$ phase$G_1$ phase$G_2$ phase
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149
GATE2016-6
Which one of the following is NOT a therapeutic agent based on nucleic acid for the treatment of genetic disorders? Antisense oligonucleotide Ribozyme Aptamer Avidin
Which one of the following is NOT a therapeutic agent based on nucleic acid for the treatment of genetic disorders?Antisense oligonucleotideRibozymeAptamerAvidin
0 votes
0 answers
150
GATE2017-19
A proto-oncogene is suspected to have undergone duplication in a certain type of cancer. Of the following techniques, which one would verify the gene duplication? Northern blotting Southern blotting South western blotting Western blotting
A proto-oncogene is suspected to have undergone duplication in a certain type of cancer. Of the following techniques, which one would verify the gene duplication?Northern...
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151
GATE BT 2023 | Question: 30
Methylation of $\mathrm{CpG}$ islands near the promoter of a gene can inhibit transcription by preventing RNA polymerase binding facilitating repressor binding facilitating heterochromatin formation inducing euchromatin formation
Methylation of $\mathrm{CpG}$ islands near the promoter of a gene can inhibit transcription bypreventing RNA polymerase bindingfacilitating repressor bindingfacilitating ...
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152
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 ____________.
1 votes
0 answers
153
GATE BT 2023 | Question: 34
Direct DNA transfer method(s) used for plant genetic engineering is(are) microparticle bombardment electroporation polyethylene glycol treatment Agrobacterium-mediated transformation
Direct DNA transfer method(s) used for plant genetic engineering is(are)microparticle bombardmentelectroporationpolyethylene glycol treatmentAgrobacterium-mediated transf...
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155
GATE2016-4
Which of the following are TRUE for Treponema pallidum? It is the causative agent of syphilis It is a spirochete It is a non-motile bacterium It is generally susceptible to penicillin Choose the correct combination. P, Q and R only P, Q and S only P, R and S only Q, Rand S only
Which of the following are TRUE for Treponema pallidum?It is the causative agent of syphilisIt is a spirocheteIt is a non-motile bacteriumIt is generally susceptible to p...
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157
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} & &...
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158
GATE BT 2023 | Question: 33
Which of the following is(are) plant protoplast fusogenic agent(s)? Sodium nitrate Polyvinyl alcohol Polyethylene glycol Bromoxynil
Which of the following is(are) plant protoplast fusogenic agent(s)?Sodium nitratePolyvinyl alcoholPolyethylene glycolBromoxynil
1 votes
0 answers
159
GATE BT 2021 | Question: 1
Coronavirus genome consists of double-stranded $\text{DNA}$ double-stranded $\text{RNA}$ negative-sense single-stranded $\text{RNA}$ positive-sense single-stranded $\text{RNA}$
Coronavirus genome consists ofdouble-stranded $\text{DNA}$double-stranded $\text{RNA}$negative-sense single-stranded $\text{RNA}$positive-sense single-stranded $\text{RNA...
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