# Recent questions tagged gate2014

1
Choose the most appropriate word from the options given below to complete the following sentence. A person suffering from Alzheimer’s disease___________ short-term memory loss. experienced has experienced is experiencing experiences
2
Choose the most appropriate word from the options given below to complete the following sentence. ___________is the key to their happiness; they are satisfied with what they have. Contentment Ambition Perseverance Hunger
3
Which of the following options is the closest in meaning to the sentence below? “As a woman, I have no country.” Women have no country. Women are not citizens of any country. Women’s solidarity knows no national boundaries. Women of all countries have equal legal rights.
4
In any given year, the probability of an earthquake greater than Magnitude $6$ occurring in the Garhwal Himalayas is $0.04$. The average time between successive occurrences of such earthquakes is_____ years.
5
The population of a new city is $5$ million and is growing at $20\%$ annually. How many years would it take to double at this growth rate? $3-4$ years $4-5$ years $5-6$ years $6-7$ years
6
In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the eldest child in the group? Statements 1. Shiv is younger to Riaz. 2. Shiv is ... eldest child Statements 1 and 2 are both required to determine the eldest child Statements 1 and 2 are not sufficient to determine the eldest child
7
Moving into a world of big data will require us to change our thinking about the merits of exactitude. To apply the conventional mindset of measurement to the digital, connected world of the twenty-first century is to miss a crucial point. As mentioned earlier, ... Big data is obsessed with exactness Exactitude is not critical in dealing with big data Sparse data leads to a bias in the analysis
8
Q8The total exports and revenues from the exports of a country are given in the two pie charts below.The pie chart for exports shows the quantity of each item as a percentage of the total quantity ofexports. The pie chart for the revenues shows the percentage of the total ... of Item 1per kilogram to the revenue generated through export of Item 4 per kilogram?Exports Revenues 1:2 2:1 1:4 4:1
9
X is $1$ km northeast of Y. Y is $1$ km southeast of Z. W is $1$ km west of Z. P is $1$ km south of W. Q is $1$ km east of P. What is the distance between X and Q in km? $1$ $\sqrt{2}$ $\sqrt{3}$ $2$
10
$10\%$ of the population in a town is HIV+. A new diagnostic kit for HIV detection is available; this kit correctly identifies HIV+ individuals 95% of the time, and HIV individuals $89\%$ of the time. A particular patient is tested using this kit and is found to be positive. The probability that the individual is actually positive is_______
11
The eigenvalues of A =$\begin{bmatrix} 1&-4\\2 & -3 \end{bmatrix}$are $2\underline{+}i$ $-1, -2$ $-1\underline{+}2i$ non-existent
12
If an unbiased coin is tossed $10$ times, the probability that all outcomes are same will be____ x$10^{-5}$
13
The solution for the following set of equations is, $5x+4y+102=13$ $x+3y+z=7$ $4x2y+z=0$ $x=2,y=1,z=1$ $x=1,y=2,z=0$ $x=1,y=0,z=2$ $x=0,y=1,z=2$
14
The limit of the function $e^{-2t}sin (t)$ as t $\rightarrow\infty$ so, is
15
The solution to the following set of equations is $2x+3y=4$ $4x+6y=0$ $x=0,y=0$ $x=2, y=0$ $4x=-6y$ No solution
16
Q6 The unit for specific substrate consumption rate in a growing culture is $\frac{g}{L-h}$ $\frac{g}{h}$ $\frac{g}{g-h}$ $\frac{gmoles}{L-h}$
17
If the dissociation constant for solute-adsorbent binding is $K_D$, the retention time of the solute in a chromatography column increases with increasing $K_D$ decreases with increasing $K_D$ passes through minimum with increasing $K_D$ is independent of $K_D$
18
In a batch culture of Penicillium chrysogenum, the maximum penicillin synthesis occurs during the lag phase exponential phase stationary phase death phase
19
Since mammalian cells are sensitive to shear, scale-up of a mammalian cell process must consider, among other parameters, the following $\text{(given N=rotations/time, D=diameter of impeller)}$ $\pi ND$ $\pi N^2D$ $\pi ND^2$ none of these
20
The degree of reduction of ethanol is_______
21
Gram-positive bacteria are generally resistant to complement-mediated lysis because thick peptidoglycan layer prevents insertion of membrane attack complex into the irmer membrane Gram-positive bacteria import the membrane attack complex and inactivate it membrane ... degraded by the proteases produced by the Gram-positive bacteria Gram-positive bacteria cannot activate the complement pathway
22
A bacterium belonging to cocci group has a diameter of $2\:\mu m.$ The numerical value of the ratio of its surface area to volume (in $\mu m^{-1}$) is _______.
23
Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria? Sulfur Nitrogen and phosphorus Iron Carbon
24
The 4-amino or 4-keto group of pyrimidine bases is located in the major groove of the double stranded DNA minor groove of the double stranded DNA minor groove of the B form DNA but not the A form DNA major groove of the B form DNA but not the A form DNA
25
The product(s) resulting from the hydrolysis of maltose is/are a mixture of $\alpha$-D-Glucose and $\beta$-D-Glucose a mixture of D-Glucose and L-Glucose $\alpha$-D-Glucose only $\beta$-D-Glucose only
26
Amino acid residue which is most likely to be found in the interior of water-soluble globular proteins is Threonine Aspartic acid Valine Histidine
27
The $5$’ ends of the mature forms of the prokaryotic mRNAs and tRNAs are a triphosphate group in mRNAs and a monophosphate group in tRNAs triphosphate groups in both mRNAs and tRNAs monophosphate groups in both mRNAs and tRNAs a monophosphate group in mRNAs and a triphosphate group in tRNAs
28
Prior exposure of plants to pathogens is known to increase resistance to future pathogen attacks.This phenomenon is known as systemic acquired resistance hypersensitive response innate immunity antibody mediated response
29
Reactions between antibodies and antigens that are detected by precipitate formation in an agar gel are referred as immunoprecipitation assay immunodiffusion assay immunoaggregation assay immunofixation assay
30
The algorithm for BLAST is based on Dynamic Programming Hidden Markov Model k-tuple analysis Neural Network
31
The statistical frequency of the occurrence of a particular restriction enzyme cleavage site that is $6$ bases long can be estimated to be once every $24$ bases once every $256$ bases once every $1024$bases once every $4096$ bases
32
The reactions leading to the formation of amino acids from the TCA cycle intermediates are carboxylation isomerization transamination decarboxylation
33
The growth medium for mammalian cells contains serum. One of the major functions of serum is to stimulate cell growth and attachment. However, it must be filter sterilized to remove large proteins remove collagen only remove mycoplasma and microorganisms remove foaming agents
34
The concentration prole of a chemical at a location x and time t, denoted by C(x, t)= changes asper the following equation,Co [ X2vant 1" 20:: ]C(x, t) = where D and co are assumed to be constant. Which of the following is correct?62. 8:: D a'c(A3 =aD (B a - 5a,:62 62c D a::r-_ (E) a:- _ 37
35
Q'27 Ify =x then is x(x 1) x"-1 x"(1 + logx) e"(1 + logx)
36
A T- ask is seeded with $10^5$ anchorage-dependent cells. The available area of the T- ask is $25\: cm^2$ and the volume of the medium is $25\: ml$. Assume that the cells are rectangles of size $5\: \mu m \times 2\: \mu m$. If the cells grow to monolayer confluence after $50\: h$, the growth rate in number of $cells/(cm^2 .h)$ is _________$\times10^5$
37
Consider a continuous culture provided with a sterile feed containing $10$ ... $\mu _m$ (in $h^{-1}$), will be _________.
Cholera toxin increases $cAMP$ levels by modifying $G_i$ protein modifying $G_s$ protein binding to adenylate cyclase activating $cAMP$ phosphodiesterase
Triose phosphate isomerase converts dihydroxy acetone phosphate $(DHAP)$ to glyceraldehyde-3-phosphate $(G-3-P)$ in a reversible reaction. At $\text{298 K and pH 7.0,}$ the equilibrium mixture contains $\text{40 mM DHAP and 4 mM G-3-P.}$ ... free-energy change in $\text{kJ/mol}$ for the formation of $\text{G-3-P [R = 8.315 J/mol.K]}$ is __________.
The plasmid DNA was subjected to restriction digestion using the enzyme $\textit{EcoRI}$ and analysed on an agarose gel. Assuming digestion has worked (the enzyme was active), match the identity of the DNA bands shown in the image in $\text{Group I}$ with their identity in $\text{Group II}$ ... $\text{P-4, Q-3, R-1, S-2}$ $\text{P-4, Q-1, R-2, S-3}$