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Recent questions tagged gate2018
0
votes
0
answers
1
GATE2018-GA-9
If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$? $1$ $5$ $7$ $9$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
algebra
0
votes
0
answers
2
GATE2018-GA-8
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question A was correctly answered by $3,30,000$ candidates. Question B was answered correctly by $2,50,000$ candidates. ... the number answering none, how many candidates failed to clear the test? $30,000$ $2,70,000$ $3,90,000$ $4,20,000$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
counting
0
votes
0
answers
3
GATE2018-GA-7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
counting
0
votes
0
answers
4
GATE2018-GA-6
An automobile travels from city A to city B and returns to city A by the same route. The speed of the vehicle during the onward and return journeys were constant at $60$ km/h and 90 km/h, respectively. What is the average speed in km/h for the entire journey? $72$ $73$ $74$ $75$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
speed-time-distance
0
votes
0
answers
5
GATE2018-GA-10
In a detailed study of annual crow births in India, it was found that there was relatively no growth during the period $2002$ to $2004$ and a sudden spike from $2004$ to $2005$. In another unrelated study, it was found that the revenue from ... rate. If cracker sale declines, crow birth will decline. Increased birth rate of crows will cause an increase in the sale of crackers.
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
data-interpretation
graphical-data
0
votes
0
answers
6
GATE2018-GA-5
Arrange the following three-dimensional objects in the descending order of their volumes: A cuboid with dimensions $10$ cm, $8$ cm and $6$ cm A cube of side $8$ cm A cylinder with base radius $7$ cm and height $7$ cm A sphere of radius $7$ cm (i), (ii), (iii), (iv) (ii), (i), (iv), (iii) (iii), (ii), (i), (iv) (iv), (iii), (ii), (i)
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
mensuration
0
votes
0
answers
7
GATE2018-GA-3
For $0 \leq x \leq 2\pi$, $\sin x$ and $\cos x$ are both decreasing functions in the interval __________. $\bigg( 0, \dfrac{\pi}{2} \bigg) \\$ $\bigg( \dfrac{\pi}{2}, \pi \bigg) \\$ $\bigg( \pi, \dfrac{3\pi}{2} \bigg) \\$ $\bigg(\dfrac{3 \pi}{2}, 2 \pi \bigg)$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
trigonometry
0
votes
0
answers
8
GATE2018-GA-4
The area of an equilateral triangle is $\sqrt{3}$. What is the perimeter of the triangle? $2$ $4$ $6$ $8$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
geometry
triangles
0
votes
0
answers
9
GATE2018-GA-2
In spite of being warned repeatedly, he failed to correct his _________ behaviour." The word that best fills the blank in the above sentence is rational reasonable errant good
gatecse
asked
in
Verbal Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
verbal-ability
most-appropriate-word
0
votes
0
answers
10
GATE2018-GA-1
"When she fell down the __________, she received many __________ but little help." The words that best fill the blanks in the above sentence are stairs, stares stairs, stairs stares, stairs stares, stares
gatecse
asked
in
Verbal Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
verbal-ability
most-appropriate-word
0
votes
0
answers
11
GATE2018-55
A rod shaped bacterium has a length of $2 \: \mu m$, diameter of $1 \mu m$ and density the same as that of water. If proteins constitute $15 \%$ of the cell mass and the average protein has a mass of $50$ kDa, the number of proteins in the cell is __________ ($1$ Da $= 1.6 \times 10^{-24}$g)
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
numerical-answers
0
votes
0
answers
12
GATE2018-54
The product of complete digestion of the plasmid shown below with EcoRI and HaeIII was purified and used as a template in a reaction containing Klenow fragment of DNA polymerase, dNTPs and $[\alpha -^{32}P]$-dATP in a suitable reaction buffer. ... and subjected to gel electrophoresis followed by autoradiography. The number of bands that will appear on the X-ray film is _____________
gatecse
asked
in
Recombinant DNA technology and Other Tools in Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
recombinant
dna
technology
numerical-answers
0
votes
0
answers
13
GATE2018-53
Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When the enzyme catalyzed reaction was carried out in the presence of $10$ nM concentration of an inhibitor, there was no change in the maximal velocity. However. the slope of the Lineweaver-Burk plot increased $3$-fold. The dissociation constant for the enzyme-inhibitor complex (in nM) is ____________
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
numerical-answers
kinetics
0
votes
0
answers
14
GATE2018-52
First order deactivation rate constants for soluble and immobilized amyloglucosidase enzyme are $0.03 \text{ min}^{-1}$ and $0.005 \text{ min}^{-1}$, respectively. The ratio of half-life of the immobilized enzyme to that of the soluble enzyme is (rounded off to the nearest integer) ___________
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
numerical-answers
enzyme
kinetics
0
votes
1
answer
15
GATE2018-51
Consider the following alignment of two DNA sequences:$\mathbf{AGTAAC} \\ \mathbf{AA}\text{- -}\mathbf{AC}$Assuming an affine gap scoring scheme of an identity matrix for substitution, a gap initiation penalty of $1$ and a gap extension penalty of $0.1$, the score of the alignment is (up to one decimal place) __________
gatecse
asked
in
Bioinformatics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioinformatics
numerical-answers
0
votes
1
answer
16
GATE2018-50
At the end of a batch culture, glucose solution is added at a flow rate of $200 \: ml/h$. If the culture volume after $2$ h of glucose addition is $1000$ ml, the initial culture volume (in ml) is _________
gatecse
asked
in
Bioprocess Engineering and Process Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioprocess
numerical-answers
0
votes
0
answers
17
GATE2018-49
Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the following reaction: $C_6H_{12}O_6 \to 2C_2H_5OH + 2CO_2$Assuming complete conversion, the amount of ethanol produced (in $g$) from $200 \: g$ of glucose is (up to two decimal places) ____________
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
numerical-answers
0
votes
0
answers
18
GATE2018-48
Mammalian cells in active growth phase were seeded at a density of $1 \times 10^5$ cells/ml. After $72$ hours, $1 \times 10^6$ cells/ml were obtained. The population doubling time of the cells in hours is (up to two decimal places) ________________
gatecse
asked
in
Microbiology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
microbiology
microbial
growth
numerical-answers
0
votes
0
answers
19
GATE2018-47
In a chemostat, the feed flow rate and culture volume are $100$ ml/h and $1.0$ L, respectively. With glucose as substrate, the values of $\mu_{\text{max}}$ and $K_s$ are $0.2 \: h^{-1}$ and $1 \: g/L$, respectively. For a glucose concentration of $10 \: g/L$ in the feed, the effluent substrate concentration (in $g/L$) is _______
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
kinetics
numerical-answers
0
votes
0
answers
20
GATE2018-43
If $1+r + r^2+ r^3 +\dots \infty = 1.5$, then, $1 + 2r + 3r^2 + 4r^3 + \dots \infty = $ (up to two dcimal places) ________
gatecse
asked
in
Calculus
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
calculus
sequences-and-series
infinite-series
0
votes
0
answers
21
GATE2018-42
The probability distribution for a discrete random variable $X$ is given below. $\begin{array}{|c|c|c|c|c|} \hline X & 1 & 2 & 3 & 4 \\ \hline P(X) & 0.3 & 0.4 & 0.2 & 0.1 \\ \hline \end{array}$The expectation value of $X$ is (up to one decimal place) _____________
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
probability-and-statistics
probability
expectation
0
votes
0
answers
22
GATE2018-41
Calculate the following integral (up to two decimal places) $\displaystyle \int_0^1 (x + 3)(x + 1)dx = \text{ ___________}$
gatecse
asked
in
Calculus
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
calculus
definite-integrals
0
votes
0
answers
23
GATE2018-46
A microbial strain is cultured in a $100$ L stirred fermenter for secondary metabolite production. If the specific rate of oxygen uptake is $0.4 \: h^{-1}$ and the oxygen solubility in the broth is $8 $ ... $s^{-1}$) of oxygen required to achieve a maximum cell concentration of $12$ g/L is (up to two decimal places) ___________
gatecse
asked
in
Bioprocess Engineering and Process Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioprocess
fermenter
numerical-answers
0
votes
0
answers
24
GATE2018-45
An aqueous solution containing $6.8$ mg/L of an antibiotic is extracted with amyl acetate. If the partition coefficient of the antibiotic is $170$ and the ratio of water to solvent is $85$, then the extraction factor is ________
gatecse
asked
in
Bioprocess Engineering and Process Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioprocess
technology
numerical-answers
0
votes
0
answers
25
GATE2018-44
Moist heat sterilization of spores at $121 ^\circ C$ follows first order kinetics as per the expression: $\dfrac{dN}{dt}=-k_dN$ where, $N$ is the number of viable spores, $t$I is the time, $k_d$ is the rate constant and $\dfrac{dN}{dt}$ is the rate of ... the number of viable spores from an initial value of $10^{10}$ to a final value of $1$ is (up to two decimal places) __________
gatecse
asked
in
Bioprocess Engineering and Process Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioprocess
technology
numerical-answers
0
votes
0
answers
26
GATE2018-40
$5'$ capping of mRNA transcripts in eukaryotes involves the following events: Addition of GMP on the $5'$ end Removal of $\gamma$-phosphate of the triphosphate on first base at the $5'$ end $5'-5'$ linkage between GMP and the first base at $5'$ end Addition of methyl group to $N7$ position ... the following is the correct sequence of events? P, Q, R, S P, R, Q, S Q, P, R, S Q, P, S, R
gatecse
asked
in
Molecular Biology and Genetics:
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
molecular
biology
0
votes
0
answers
27
GATE2018-39
Match the industrial products mentioned in Group I with their producer organisms in Group II ... $\text{P-2, Q- 1, R- 4, S-3}$ $\text{P- 3, Q- 1, R- 4, S-2}$
gatecse
asked
in
Microbiology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
microbiology
0
votes
1
answer
28
GATE2018-38
A pedigree of an inheritable disease is shown below. What type of inheritance does the disease follow? Autosomal dominant X-linked dominant X-linked recessive Autosomal recessive
gatecse
asked
in
Immunology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
immunology
0
votes
1
answer
29
GATE2018-37
An analysis of DNA-protein interactions was carried out using all DNA-protein complexes in the protein data bank (PDB). The frequency distribution of four amino acid residues, represented as P, Q, R and S, occurring in non-covalent interactions between the protein and DNA backbone is shown below. Which ... Gln, Q-Glu, R-Lys, S-Arg P-Asn, Q-Asp, R-Arg, S-Lys P-His, Q-Glu, R-Gln, S-Lys
gatecse
asked
in
Bioinformatics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioinformatics
molecular
biology
0
votes
0
answers
30
GATE2018-36
Shear stress versus shear rate behavior of four different types of fluids (I, II, III and IV) are shown in the figure below. Which one of the following options is correct? I-Newtonian, II-Bingham plastic, III-Dilatant, IV-Pseudoplastic I- ... -Bingham plastic I-Newtonian, II-Pseudoplastic, III-Bingham plastic, IV-Dilatant I-Newtonian, II-Bingham plastic, III-Pseudoplastic, IV-Dilatant
gatecse
asked
in
Bioprocess Engineering and Process Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioprocess
engineering
0
votes
0
answers
31
GATE2018-35
Which of the following are true with regard to anaerobic respiration in bacteria? The final electron acceptor is an inorganic substance other than molecular oxygen The number of ATP molecules produced per glucose molecule is more than that produced in aerobic respiration The number of ATP ... phosphorylation is used to generate ATP P and S only Q and S only P and R only P, Q and S only
gatecse
asked
in
Biochemistry
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
biochemistry
microbiology
0
votes
0
answers
32
GATE2018-34
Which of the following are true about bacterial superoxide dismutase? Present in obligate aerobes Present in facultative anaerobes Present in aerotolerant anaerobes Absent in obligate aerobes P and Q only P, Q and R only P and R only Q and S only
gatecse
asked
in
Microbiology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
microbiology
0
votes
0
answers
33
GATE2018-33
Which one of the following statements is true with regard to processing and presentation of protein antigens? In the class II MHC pathway, protein antigens in the cytosol are processed by proteasomes In the class I MHC pathway, extracellular protein ... generated in the cytosol Invariant chain in endoplasmic reticulum is involved in transport of peptides and loading of class I MHC
gatecse
asked
in
Immunology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
immunology
0
votes
0
answers
34
GATE2018-32
Which one of the combinations of the following statements is true about antibody structure? Limited proteolysis of rabbit IgG with the enzyme pepsin generates two antigen-binding regions (Fab) and an Fc fragment. Limited proteolysis of rabbit IgG with the enzyme papain generates a single ... composed of both light and heavy chains. P and Q only P and R only R and S only Q and S only
gatecse
asked
in
Immunology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
immunology
0
votes
0
answers
35
GATE2018-31
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]: Assertion: The association constant in water for the G-C base pair is three times lower than that for the A-T base pair. Reason: There are three hydrogen bonds in the G-C base pair and two in ... is true Both [a] and [r] are false Both [a] and [r] are tme and [r] is not the correct reason for [a]
gatecse
asked
in
Molecular Biology and Genetics:
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
molecular
biology
0
votes
0
answers
36
GATE2018-30
Which one of the following amino acids is catalyzed by activated macrophages to produce reactive nitrogen species? Arginine Asparagine Cysteine Histidine
gatecse
asked
in
Immunology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
immunology
0
votes
1
answer
37
GATE2018-29
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: Ab initio gene finding algorithms that predict protein coding genes in eukaryotic genomes are not completely accurate. Reason: Eukaryotic splice sites are difficult to predict. Both [a] and [ ... correct reason for [a] Both [a] and [r] are true but [r] is not the correct reason for [a]
gatecse
asked
in
Bioinformatics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
bioinformatics
0
votes
0
answers
38
GATE2018-28
Match the classes of RNA molecules in $\text{Group I}$ with their functions in $\text{Group II}$ ... $\text{P-1, Q-4, R-5, S-2}$ $\text{P-4, Q-1, R-2, S-5}$
gatecse
asked
in
Recombinant DNA technology and Other Tools in Biotechnology
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
recombinant
dna
technology
0
votes
0
answers
39
GATE2018-22
The variable $z$ has a standard normal distribution. If $P(0 \leq z \leq 1)= 0.34$ then $P(z^2 > 1)$ is equal to (up to two decimal places) ____________
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
probability-and-statistics
probability
normal-distribution
0
votes
0
answers
40
GATE2018-21
The determinant of the matrix $\begin{pmatrix} 4 & -6 \\ -3 & 2 \end{pmatrix}$ is _________
gatecse
asked
in
Linear Algebra
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
linear-algebra
matrices
determinant
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