Recent questions tagged gate2019

0 votes

0 answers

1

GATE2019: 21
The solution of $ \underset{x\rightarrow 8 }\lim\left ( \dfrac{x^{2}-64}{x-8} \right )$ is _____________.

soujanyareddy13 asked in Calculus Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

2

GATE2019: 22
The median value for the dataset $\left ( 12, 10,16,8,90,50,30,24 \right )$ is ______________.

soujanyareddy13 asked in Probability and Statistics Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

3

GATE2019: 23
The degree of reduction for acetic acid $\left ( C_{2} H_{4}O_{2}\right )$ is ____________.

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

4

GATE2019: 24
The mass of $1$ $kmol$ of oxygen molecules is ___________$g$ (rounded off to the nearest integer).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

5

GATE2019: 25
Protein concentration of a crude enzyme preparation was $10\:mg\:mL^{-1}$. $10\:\mu L$ of this sample gave an activity of $5\:\mu mol\:min^{-1}$ under standard assay conditions. The specific activity of this crude enzyme preparation is ____________ units $mg^{-1}$.

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

6

GATE2019: 26
In general, which one of the following statements is $NOT \;CORRECT$? Hydrogen bonds result from electrostatic interactions Hydrogen bonds contribute to the folding energy of proteins Hydrogen bonds are weaker than van der Waals interactions Hydrogen bonds are directional

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

7

GATE2019: 27
For site-directed mutagenesis, which one of the following restriction enzymes is used to digest methylated $DNA$? $KpnI$ $DpnI$ $XhoI$ $MluI$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

8

GATE2019: 28
Match the organelles in $Group\; I$ with their function in $Group\; II$ ... $P-1, Q-4, R-5, S-3$ $P-2, Q-5, R-3, S-4$ $P-1, Q-3, R-4, S-5$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

9

GATE2019: 29
Which of the following statements are $CORRECT$ when a protein sequence database is searched using the $BLAST$ algorithm? A larger E-value indicates higher sequence similarity E-value $<10^{-10}$ indicates sequence homology A higher BLAST score indicates higher sequence similarity E-value $>10^{10}$ ... $P, Q$ and $R$ only $Q$ and $R$ only $P, R$ and $S$ only $P$ and $S$ only

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

10

GATE2019: 30
Which one of the following is coded by the $ABO$ blood group locus in the human genome? Acyl transferase Galactosyltransferase Transposase $\beta$-Galactosidase

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

11

GATE2019: 31
Which of the following factors affect the fidelity of $DNA$ polymerase in polymerase chain reaction? $Mg^{2+}$ concentration $pH$ Annealing temperature $P$ and $Q$ only $P$ and $R$ only $Q$ and $R$ only $P, Q$ and $R$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

12

GATE2019: 32
$Group\; I$ lists spectroscopic methods and $Group\; II$ lists biomolecular applications of these methods. Match the methods in $Group\; I$ with the applications in $Group\; II$ ... $P-4, Q-3, R-1$ $P-2, Q-1, R-3$ $P-1, Q-2, R-4$ $P-3, Q-2, R-4$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

13

GATE2019: 33
The hexapeptide $P$ has an isoelectric point $(pI)$ of $6.9$. Hexapeptide $Q$ is a variant of $P$ that contains valine instead of glutamate at position $3$. The two peptides are analyzed by polyacrylamide gel electrophoresis at pH $8.0$. Which one of the ... faster than $Q$ towards the cathode Both $P$ and $Q$ will migrate together $Q$ will migrate faster than $P$ towards the anode

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

14

GATE2019: 34
Antibody-producing hybridoma cells are generated by the fusion of a $T$ cell with a myeloma cell $B$ cell with a myeloma cell macrophage with a myeloma cell $T$ cell and a $B$ cell

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

15

GATE2019: 35
Which of the following statements are CORRECT about the function of fetal bovine serum in animal cell culture? lt stimulates cell growth It enhances cell attachment lt provides hormones and minerals It maintains $pH$ at $7.4$ $P$ and $Q$ only $P$ and $S$ only $P, Q$ and $R$ only $P, Q, R$ and $S$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

16

GATE2019: 36
Which one of the following covalent linkages exists between $7$-Methyl guanosine $(m^{7}G)$ and $mRNAs$? ${2}'-{3}'$ triphosphate ${3}'-{5}'$ triphosphate ${5}'-{5}'$ triphosphate ${2}'-{5}'$ triphosphate

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

17

GATE2019: 37
Which one of the following amino acid residues will destabilize an $\alpha$-helix when inserted in the middle of the helix? Pro Val lIe Leu

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

18

GATE2019: 38
What is the solution of the differential equation $\dfrac{\mathrm{dy} }{\mathrm{d} x}=\dfrac{x}{y}$, with the initial condition, at $x=0, y=1?$ $x^{2}=y^{2}+1$ $y^{2}=x^{2}+1$ $y^{2}=2x^{2}+1$ $x^{2}-y^{2}=0$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

19

GATE2019: 39
The Laplace transform of the function $f\left ( t \right )=t^{2}+2t+1$ is $\dfrac{1}{s^{3}}+\dfrac{3}{s^{2}}+\dfrac{1}{s} \\$ $\dfrac{4}{s^{3}}+\dfrac{4}{s^{2}}+\dfrac{1}{s} \\$ $\dfrac{1}{s^{3}}+\dfrac{2}{s^{2}}+\dfrac{1}{s} \\$ $\dfrac{2}{s^{3}}+\dfrac{2}{s^{2}}+\dfrac{1}{s}$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

20

GATE2019: 40
Which of the following factors can influence the lag phase of a microbial culture in a batch fermentor? Inoculum size Inoculum age Medium composition $P$ and $Q$ only $Q$ and $R$ only $P$ and $R$ only $P, Q$ and $R$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

21

GATE2019: 41
Which one of the following statements is $CORRECT$ about proportional controllers? The initial change in control output signal is relatively slow The initial corrective action is greater for larger error They have no offset There is no corrective action if the error is a constant

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

22

GATE2019: 42
Match the instruments in $Group\; I$ with their corresponding measurements in $Group\; II$ ... $P-3, Q-4, R-1, S-2$ $P-2, Q-4, R-1, S-3$ $P-2, Q-1, R-4, S-3$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

23

GATE2019: 43
Which of the following statements is $ALWAYS\; CORRECT$ about an ideal chemostat? Substrate concentration inside the chemostat is equal to that in the exit stream Optimal dilution rate is lower than critical dilution rate Biomass concentration increases with increase in dilution rate Cell recirculation facilitates ... $Q$ only $P, R$ and $S$ only $P$ and $S$ only $P, Q$ and $S$ only

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

24

GATE2019: 44
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$ Assertion $[a]$ : It is possible to regenerate a whole plant from a single plant cell. Reason $[r]$ : It is easier to introduce transgenes in to plants than animals. Both $[a]$ and $[r]$ ... $[a]$ Both $[a]$ and $[r]$ are false $[a]$ is true but $[r]$ is false

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

25

GATE2019: 45
A UV-visible spectrophotometer has a minimum detectable absorbance of $0.02$. The minimum concentration of a protein sample that can be measured reliably in this instrument with a cuvette of $1cm$ path length is _________$\mu M$ . The molar extinction coefficient of the protein is $10,000\;L\:mol^{-1}\:cm^{-1}$.

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

26

GATE2019: 46
The difference in concentrations of an uncharged solute between two compartments is $1.6$-fold. The energy required for active transport of the solute across the membrane separating the two compartments is _________ $cal\:mol^{-1}$ (rounded off to the nearest integer). $(R =1.987\:cal\:mol^{-1}\:K^{-1},\:T=37 \;^{\circ}C)$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

27

GATE2019: 47
In pea plants, purple color of flowers is determined by the dominant allele while white color is determined by the recessive allele. A genetic cross between two purple flower bearing plants results in an offspring with white flowers. The probability that the third offspring from these parents will have purple flowers is ____________ (rounded off to $2$ decimal places).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

28

GATE2019: 48
The molecular mass of a protein is $22\:kDa$. The size of the $\text{cDNA}$ (excluding the untranslated regions) that codes for this protein is __________ $kb$ (rounded off to $1$ decimal place).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

29

GATE2019: 49
A new game is being introduced in a casino. A player can lose Rs. $100$, break even, win Rs. $100$, or win Rs. $500$. The probabilities $(P(X))$ of each of these outcomes $(X)$ ... $\sigma$) for the casino payout is Rs. _____________ (rounded off to the nearest integer).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

30

GATE2019: 50
$\int _{-1}^{1}\:f\left ( x \right )dx$ calculated using trapezoidal rule for the values given in the table is ______ (rounded off to $2$ ...

soujanyareddy13 asked in Numerical Methods Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

31

GATE2019: 51
Yeast biomass $\left ( C_{6}H_{10}O_{3}N \right )$ grown on glucose is described by the stoichiometric equation given below: $C_{6}H_{12}O_{6}+0.48\:NH_{3}+3\:O_{2} \to 0.48\:C_{6}H_{10}O_{3}N+3.12\:CO_{2}+4.32\:H_{2}O$ The amount of glucose ... $1,00,000$ $L$ is __________ $kg$ (rounded off to the nearest integer).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

32

GATE2019: 52
Phenolic wastewater discharged from an industry was treated with Pseudomonas $sp$. in an aerobic bioreactor. The influent and effluent concentrations of phenol were $10,000$ and $10\:ppm$ ... under 'chemostat' mode, the working volume require for this process is _____________ $L$ (rounded off to the nearest integer).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

33

GATE2019: 53
In a cross-flow filtration process, the pressure drop $\left ( \Delta P \right )$ driving the fluid flow is $2$ atm, inlet feed pressure $\left ( P_{i} \right )$ is $3$ atm and filtrate pressure $\left ( P_{f} \right )$ is equal to atmospheric pressure. The average transmembrane pressure drop $\left ( \Delta P_{m} \right )$ is ___________ atm.

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

34

GATE2019: 54
An industrial fermentor containing $10,000\:L$ of medium needs to be sterilized. The initial spore concentration in the medium is $10^{6}$ spores $mL^{-1}$. The desired probability of contamination after sterilization is $10^{-3}$. The ... cell death during heating and cooling phases. The holding time of the sterilization process is___________ min (rounded off to the nearest integer).

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

35

GATE2019: 55
The dimensions and operating condition of a lab-scale fermentor are as follows: Volume = $1\:L$ Diameter = $20$ cm Agitator speed = $600$ rpm Ratio of impeller diameter to fermentor diameter = $0.3$ ... the agitator in the larger reactor is ___________ rpm. Assume that the scale-up factor is the cube root of the ratio of fermentor volumes.

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

36

GATE2019: 5
Which one of the following enzymes is encoded by human immunodeficiency virus $(HIV)$ genome? Reverse transcriptase Phospholipase Phosphatase $ATP$ synthase

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

37

GATE2019: 6
$DNA$ synthesis in eukaryotes occurs during which phase of the mitotic cell cycle? $M$ $G_{1}$ $S$ $G_{10}$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

38

GATE2019: 7
Match the human diseases in $Group\; I$ with the causative agents in $Group\; II$ ... $P-3, Q-2, R-1, S-4$ $P-3, Q-4, R-1, S-2$ $P-4, Q-3, R-1,S-2$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

39

GATE2019: 8
Which one of the following techniques can be used to compare the expression of a large number of genes in two biological samples in a single experiment? Polymerase chain reaction $DNA$ microarray Northern hybridization Southern hybridization

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points

0 votes

0 answers

40

GATE2019: 9
Which of the following processes can increase genetic diversity of bacteria in nature? Conjugation Transformation Transduction Transfection $P$ only $P$ and $Q$ only $P, Q$ and $R$ only $P, Q, R$ and $S$

soujanyareddy13 asked in Others Nov 3, 2020

by soujanyareddy13

2.7k points