Recent questions without answers

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 th...

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...

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 occurrenc...

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$5-6$ year...

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 e...

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, co...

The 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 percenta...

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?$...

$10\%$ 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 i...

The eigenvalues of A =$\begin{bmatrix} 1&-4\\2 & -3 \end{bmatrix} $are$2\underline{+}i$$-1, -2$$-1\underline{+}2i$non-existent

If an unbiased coin is tossed $10$ times, the probability that all outcomes are same will be_______ $ \times 10^{-5}$

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$

The limit of the function $e^{-2t}\sin (t)$ as t $\rightarrow\infty$ so, is

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

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}$

If the dissociation constant for solute-adsorbent binding is $K_D$, the retention time of the solute in a chromatography columnincreases with increasing $K_D$decreases wi...

The most plausible explanation for a sudden increase of the respiratory quotient $(RQ)$ of a microbial culture is thatcells are dyingyield of biomass is increasingthe fer...

Which of the following is employed for the repeated use of enzymes in bioprocesses?polymerizationimmobilizationligationisomerization

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=...

The degree of reduction of ethanol is_______

Gram-positive bacteria are generally resistant to complement-mediated lysis becausethick peptidoglycan layer prevents insertion of membrane attack complex into the irmer ...

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 _______.

Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria?SulfurNitrogen and ph...

The 4-amino or 4-keto group of pyrimidine bases is located in themajor groove of the double stranded DNAminor groove of the double stranded DNAminor groove of the B form ...

The product(s) resulting from the hydrolysis of maltose is/area mixture of $\alpha$-D-Glucose and $\beta$-D-Glucosea mixture of D-Glucose and L-Glucose$\alpha$-D-Glucose ...

Amino acid residue which is most likely to be found in the interior of water-soluble globular proteins isThreonineAspartic acidValineHistidine

The $5$’ ends of the mature forms of the prokaryotic mRNAs and tRNAs area triphosphate group in mRNAs and a monophosphate group in tRNAstriphosphate groups in both mRNAs ...

Reactions between antibodies and antigens that are detected by precipitate formation in an agar gel are referred asimmunoprecipitation assayimmunodiffusion assayimmunoagg...

The algorithm for BLAST is based onDynamic ProgrammingHidden Markov Modelk-tuple analysisNeural Network

The statistical frequency of the occurrence of a particular restriction enzyme cleavage site that is $6$ bases long can be estimated to beonce every $24$ basesonce every ...

The reactions leading to the formation of amino acids from the TCA cycle intermediates arecarboxylationisomerizationtransaminationdecarboxylation

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 sterilize...

The concentration profile of a chemical at a location $x$ and time $t$, denoted by $c(x,t)$, changes as per the following equation,$$c(x,t)=\frac{c_0}{\sqrt{2\pi Dt}}\exp...

If $y =x^x$, then $\frac{dy}{dx}$ is$x^x(x-1)$$x^{x-1}$$x^x(1 + \log x)$$e^x(1 + \log x)$

Which of the following statements is true for the series given below?$$S_n=1+\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}+\frac{1}{\sqrt{4}}+\dots+\frac{1}{\sqrt{n}} $$$S_n$ con...

The graph of the function $F(x) =\frac{x}{k_1x^2+k_2x+1}$ for $0<x<\infty$ is

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...

Consider a continuous culture provided with a sterile feed containing $10$ mM glucose. The steady state cell density and substrate concentration at three different diluti...

Cholera toxin increases $cAMP$ levels bymodifying $G_i$ proteinmodifying $G_s$ proteinbinding to adenylate cyclaseactivating $cAMP$ phosphodiesterase

Triose phosphate isomerase converts dihydroxy acetone phosphate $(DHAP)$ to glyceraldehyde-3-phosphate $(G-3-P)$ in a reversible reaction. At $\text{298 K and pH 7.0,}$ t...