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1

GATE BT 2021 | GA Question: 1
The ratio of boys to girls in a class is $7$ to $3$. Among the options below, an acceptable value for the total number of students in the class is $21$ $37$ $50$ $73$

The ratio of boys to girls in a class is $7$ to $3$. Among the options below, an acceptable value for the total number of students in the class is $21$ $37$ $50$ $73$

asked Mar 1 in Numerical Ability jothee 1.4k points

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2

GATE BT 2021 | GA Question: 2
A polygon is convex if, for every pair of points, $P$ and $Q$ belonging to the polygon, the line segment $PQ$ lies completely inside or on the polygon. Which one of the following is $\underline {\text{NOT}}$ a convex polygon?

A polygon is convex if, for every pair of points, $P$ and $Q$ belonging to the polygon, the line segment $PQ$ lies completely inside or on the polygon. Which one of the following is $\underline {\text{NOT}}$ a convex polygon?

asked Mar 1 in Spatial Aptitude jothee 1.4k points

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3

GATE BT 2021 | GA Question: 3
Consider the following sentences: Everybody in the class is prepared for the exam. Babu invited Danish to his home because he enjoys playing chess. Which of the following is the $\text{CORRECT}$ observation about the above two sentences? $\text{(i)}$ is ... and $\text{(ii)}$ is ambiguous $\text{(i)}$ is grammatically incorrect and $\text{(ii)}$ is ambiguous

Consider the following sentences: Everybody in the class is prepared for the exam. Babu invited Danish to his home because he enjoys playing chess. Which of the following is the $\text{CORRECT}$ observation about the above two sentences? $\text{(i)}$ is grammatically correct and ... correct and $\text{(ii)}$ is ambiguous $\text{(i)}$ is grammatically incorrect and $\text{(ii)}$ is ambiguous

asked Mar 1 in Verbal Ability jothee 1.4k points

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4

GATE BT 2021 | GA Question: 4
A circular sheet of paper is folded along the lines in the direction shown. The paper, after being punched in the final folded state as shown and unfolded in the reverse order of folding, will look like ________.

A circular sheet of paper is folded along the lines in the direction shown. The paper, after being punched in the final folded state as shown and unfolded in the reverse order of folding, will look like ________.

asked Mar 1 in Spatial Aptitude jothee 1.4k points

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5

GATE BT 2021 | GA Question: 5
____________ is to $\textit{surgery}$ as $\textit{writer}$ is to __________ Which one of the following options maintains a similar logical relation in the above sentence? Plan, outline Hospital, library Doctor, book Medicine, grammar

____________ is to $\textit{surgery}$ as $\textit{writer}$ is to __________ Which one of the following options maintains a similar logical relation in the above sentence? Plan, outline Hospital, library Doctor, book Medicine, grammar

asked Mar 1 in Verbal Ability jothee 1.4k points

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6

GATE BT 2021 | GA Question: 6
We have $2$ rectangular sheets of paper, $M$ and $N$, of dimensions $6$ cm $\times$ $1$ cm each. Sheet $M$ is rolled to form an open cylinder by bringing the short edges of the sheet together. Sheet $N$ is cut into equal square patches and assembled to form the largest ... of the cube is _____________ $\frac{\pi}{2}\\$ $\frac{3}{\pi} \\$ $\frac{9}{\pi} \\$ $3 \pi$

We have $2$ rectangular sheets of paper, $M$ and $N$, of dimensions $6$ cm $\times$ $1$ cm each. Sheet $M$ is rolled to form an open cylinder by bringing the short edges of the sheet together. Sheet $N$ is cut into equal square patches and assembled to form the largest possible closed cube. ... to that of the cube is _____________ $\frac{\pi}{2}\\$ $\frac{3}{\pi} \\$ $\frac{9}{\pi} \\$ $3 \pi$

asked Mar 1 in Numerical Ability jothee 1.4k points

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7

GATE BT 2021 | GA Question: 7
... $Q$, as a percentage of its marked price, is ___________ $25$ $12.5$ $10$ $5$

$\begin{array}{|c|c|c|c|} \hline \textbf{Items} & \textbf{Cost} & \textbf{Profit} \% & \textbf{Marked Price} \\ & (₹) && (₹) \\ \hline P & 5,400 & \dots & 5,860 \\ \hline Q & \dots & 25 & 10,000 \\ \hline \end{array}$ ... $Q$, as a percentage of its marked price, is ___________ $25$ $12.5$ $10$ $5$

asked Mar 1 in Numerical Ability jothee 1.4k points

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8

GATE BT 2021 | GA Question: 8
There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag. The probability that at least two chocolates are identical is _________ $0.3024$ $0.4235$ $0.6976$ $0.8125$

There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag. The probability that at least two chocolates are identical is _________ $0.3024$ $0.4235$ $0.6976$ $0.8125$

asked Mar 1 in Numerical Ability jothee 1.4k points

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9

GATE BT 2021 | GA Question: 9
Given below are two statements $1$ and $2$, and two conclusions $I$ and $II$. $\text{Statement 1}$: All bacteria are microorganisms. $\text{Statement 2}$: All pathogens are microorganisms. $\text{Conclusion I}$ ... Either conclusion $\text{I}$ or $\text{II}$ is correct Neither conclusion $\text{I}$ nor $\text{II}$ is correct

Given below are two statements $1$ and $2$, and two conclusions $I$ and $II$. $\text{Statement 1}$: All bacteria are microorganisms. $\text{Statement 2}$: All pathogens are microorganisms. $\text{Conclusion I}$: Some pathogens are bacteria. $\text{Conclusion II}$: All ... is correct Either conclusion $\text{I}$ or $\text{II}$ is correct Neither conclusion $\text{I}$ nor $\text{II}$ is correct

asked Mar 1 in Analytical Aptitude jothee 1.4k points

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10

GATE BT 2021 | GA Question: 10
Some people suggest anti-obesity measures $\text{(AOM)}$ such as displaying calorie information in restaurant menus. Such measures sidestep addressing the core problems that cause obesity: poverty and income inequality. Which one of the following ... $\text{AOM}$ are addressing the problem superficially

Some people suggest anti-obesity measures $\text{(AOM)}$ such as displaying calorie information in restaurant menus. Such measures sidestep addressing the core problems that cause obesity: poverty and income inequality. Which one of the following statements summarizes the ... $\text{AOM}$ are addressing the problem superficially

asked Mar 1 in Verbal Ability jothee 1.4k points

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11

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 of double-stranded $\text{DNA}$ double-stranded $\text{RNA}$ negative-sense single-stranded $\text{RNA}$ positive-sense single-stranded $\text{RNA}$

asked Mar 1 in Others jothee 1.4k points

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12

GATE BT 2021 | Question: 2
The enzyme that transcribes the eukaryotic genes encoding precursor ribosomal $\text{RNAs}\; (\text{pre-RNAs}$) of $28S$, $18S$ and $5.8S$ $\text{rRNA}$s is $\text{RNA}$ polymerase $\text{I}$ $\text{RNA}$ polymerase $\text{II}$ $\text{RNA}$ polymerase $\text{III}$ $\text{RNA}$ polymerase $\text{IV}$

The enzyme that transcribes the eukaryotic genes encoding precursor ribosomal $\text{RNAs}\; (\text{pre-RNAs}$) of $28S$, $18S$ and $5.8S$ $\text{rRNA}$s is $\text{RNA}$ polymerase $\text{I}$ $\text{RNA}$ polymerase $\text{II}$ $\text{RNA}$ polymerase $\text{III}$ $\text{RNA}$ polymerase $\text{IV}$

asked Mar 1 in Others jothee 1.4k points

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13

GATE BT 2021 | Question: 3
Number of unrooted trees in a phylogeny of five sequences is $3$ $15$ $105$ $945$

Number of unrooted trees in a phylogeny of five sequences is $3$ $15$ $105$ $945$

asked Mar 1 in Others jothee 1.4k points

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14

GATE BT 2021 | Question: 4
Which one of the following methods is used to test the significance of a predicted phylogeny? Bootstrap Maximum likelihood Maximum parsimony Minimum evolution

Which one of the following methods is used to test the significance of a predicted phylogeny? Bootstrap Maximum likelihood Maximum parsimony Minimum evolution

asked Mar 1 in Others jothee 1.4k points

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15

GATE BT 2021 | Question: 5
The Cartesian coordinates $(x,y)$ of a point $A$ with polar coordinates $\left ( 4, \pi/4 \right)$ is $ \left( \sqrt{3}, 2 \sqrt{2} \right ) \\$ $ \left( 2, 2 \sqrt{3} \right ) \\$ $ \left( 2\sqrt{2}, \sqrt{3} \right ) \\$ $ \left( 2 \sqrt{2}, 2 \sqrt{2} \right )$

The Cartesian coordinates $(x,y)$ of a point $A$ with polar coordinates $\left ( 4, \pi/4 \right)$ is $ \left( \sqrt{3}, 2 \sqrt{2} \right ) \\$ $ \left( 2, 2 \sqrt{3} \right ) \\$ $ \left( 2\sqrt{2}, \sqrt{3} \right ) \\$ $ \left( 2 \sqrt{2}, 2 \sqrt{2} \right )$

asked Mar 1 in Calculus jothee 1.4k points

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16

GATE BT 2021 | Question: 6
The order of genes present in a chromosome is as follows Which one of the following rearrangements represents a paracentric inversion?

The order of genes present in a chromosome is as follows Which one of the following rearrangements represents a paracentric inversion?

asked Mar 1 in Others jothee 1.4k points

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17

GATE BT 2021 | Question: 7
Which one of the following statements is $\text{INCORRECT}$ about hybridoma production? Hybridoma cella can use hypoxanthine and thymidine $\text{DNA}$ synthesis in myeloma cells is blocked by aminopterin Hybridoma cells are made to produce polyclonal antibodies Polyethylene glycol is used to fuse myeloma cells to $B$-cells

Which one of the following statements is $\text{INCORRECT}$ about hybridoma production? Hybridoma cella can use hypoxanthine and thymidine $\text{DNA}$ synthesis in myeloma cells is blocked by aminopterin Hybridoma cells are made to produce polyclonal antibodies Polyethylene glycol is used to fuse myeloma cells to $B$-cells

asked Mar 1 in Others jothee 1.4k points

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18

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 $1/2x \\$ $1/x \\$ $1 /2 \\$ $x$

asked Mar 1 in Calculus jothee 1.4k points

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19

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? $\text{DNA}$ microarray Electroporation Gene gun Microinjection

asked Mar 1 in Others jothee 1.4k points

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20

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 relationship $\text{RT=0.25 PV}$. $R$ and $V$ are universal gas constant and ideal gas volume, respectively. The molecule $A$ is $\text{CO}_2$ $\text{H}_2$ $\text{N}_2$ $\text{O}_2$

asked Mar 1 in Others jothee 1.4k points

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21

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 with adaptive immunity in eukaryotes adaptive immunity in prokaryotes innate immunity in eukaryotes innate immunity in prokaryotes

asked Mar 1 in Others jothee 1.4k points

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22

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 is apoptosis autophagy phagocytosis pinocytosis

asked Mar 1 in Others jothee 1.4k points

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23

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. $F_1$ is inlet liquid flow rate, $F_2$ is outlet liquid flow rate, $LT$ is the liquid level transmitter, $LC$ ... valve 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

asked Mar 1 in Others jothee 1.4k points

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24

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 as apoprotein hemoprotein holoprotein lipoprotein

asked Mar 1 in Others jothee 1.4k points

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25

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 is adenosine kinase alkaline phosphatase polynucleotide kinase terminal deoxynucleotidyl transferase

asked Mar 1 in Others jothee 1.4k points

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26

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 medium Nutrient broth is a defined medium Sabouraud dextrose agar is a differential medium Trypticase soy agar is a complex medium

asked Mar 1 in Others jothee 1.4k points

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27

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 $\text{RNA}$ polyadenylation $\text{RNA}$ splicing

asked Mar 1 in Others jothee 1.4k points

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28

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? Ectoderm Endoderm Mesoderm Trophectoderm

asked Mar 1 in Others jothee 1.4k points

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29

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 apparatus Lysosome Mitochondria Nucleus

asked Mar 1 in Others jothee 1.4k points

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30

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 ___________

asked Mar 1 in Calculus jothee 1.4k points

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31

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 transfer of the balls to the box $A$ in the same order (rounded off to two decimal places) is ____________

asked Mar 1 in Others jothee 1.4k points

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32

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 ___________

asked Mar 1 in Others jothee 1.4k points

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33

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 __________

asked Mar 1 in Calculus jothee 1.4k points

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34

GATE BT 2021 | Question: 24
A system consists of two reactors, connected by a valve. The first reactor $(R1)$ contains an ideal gas $A$ of volume $5\: L$ and the second reactor $(R2)$ has an ideal gas $B$ of volume $10\: L$. Initially, the valve is ... If the temperature $T$ of both the reactors is maintained constant, the final equilibrium pressure in $\textit{atm}$ of the system is _____________

A system consists of two reactors, connected by a valve. The first reactor $(R1)$ contains an ideal gas $A$ of volume $5\: L$ and the second reactor $(R2)$ has an ideal gas $B$ of volume $10\: L$. Initially, the valve is closed and ... equilibrium. If the temperature $T$ of both the reactors is maintained constant, the final equilibrium pressure in $\textit{atm}$ of the system is _____________

asked Mar 1 in Others jothee 1.4k points

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35

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 required starch concentration $mM$ (rounded off to two decimal places) is ____________

asked Mar 1 in Others jothee 1.4k points

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36

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, respectively.

asked Mar 1 in Others jothee 1.4k points

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37

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 $\text{Group II}$ ... $P-1, Q-3, R-2, S-4$ $P-1, Q-2, R-3, S-4$ $P-1, Q-4, R-2, S-3$

asked Mar 1 in Others jothee 1.4k points

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38

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 $\text{Group II}$ ... $P-3, Q-1, R-2, S-4$ $P-1, Q-3, R-2, S-4$ $P-1, Q-2, R-4, S-3$

asked Mar 1 in Others jothee 1.4k points

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39

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 $\text{Group II}$ ... $P-3, Q-1, R-2, S-4$ $P-4, Q-2, R-1, S-3$ $P-1, Q-2, R-4, S-3$

asked Mar 1 in Others jothee 1.4k points

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40

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 $\text{Group II}$ ... $P-3, Q-1, R-4, S-2$ $P-2, Q-3, R-4, S-1$ $P-2, Q-1, R-3, S-4$

asked Mar 1 in Others jothee 1.4k points

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