Recent questions without a selected answer

For the given matrix, which of the statements given below is/are true?\[\left[\begin{array}{ccc}3 & 1 & 5 \\2 & -1 & 0 \\5 & 2 & 9\end{array}\right]\]The matrix is full r...

Messenger $\text{RNAs (mRNAs)}$ translate to generate polypeptides and the translation terminates at the $\text{UGA, UAG}$ or $\text{UAA}$ stop codons. The $\text{AGA}$ c...

The RNA sequence below depicts the part of a $330$ nucleotides long $\text{mRNA}$ and it encodes the $\text{C}$-terminal portion of a protein.$5^{\prime}-\ldots \ldots$ $...

A microbial culture is being grown in a bioreactor with continuous aeration. The dissolved oxygen probe provided with the system shows a reading of zero. In this context,...

For a Newtonian fluid, a plot of shear stress (on $\text{Y}$ axis) against shear rate (on $\text{X}$ axis) will result in a straight line $\_\_\_\_$.parallel to the $\tex...

In an aerobic fermentation with air sparging, which of the following options can be used to increase the volumetric mass transfer coefficient for oxygen transfer?Using pu...

For a liquid flowing in a circular cross section pipe, the transition from laminar to turbulent flow will NOT depend on which of the following factor(s)?The diameter of t...

Which of the following is/are posttranslational modification(s) involved in epigenetic control of gene expression?Arginine methylationLysine acetylationCytosine methylati...

For an ideal plug flow reactor, which of the following statements is/are true?It can be approximated by a large number of ideal continuous stirred tank reactors connected...

An enzyme-catalyzed reaction is found to have $\Delta \mathrm{G}=-100 \mathrm{~kJ} \mathrm{~mol}^{-1}$. Which of the following statements about this reaction is/are true?...

Consider the equation $\dfrac{d y}{d x}=\dfrac{1}{x}$The value of the integral $\int_{1}^{2} d y$ using trapezoidal method and interval $h=0.25$ is $\_\_\_\_$. (rounded o...

If the straight lines given by the following two equations are parallel to each other, the value of $\boldsymbol{a}$ is $\_\_\_\_$. (answer in integer)\[4 x+7 y=6 ; \quad...

A straight line $y=x-1$ intersects a circle with center at $x=1, y=1$ and radius of magnitude $1$ at two points. The length of the chord formed by this intersection is $\...

A heat exchanger during operation in a bioprocess has a steady temperature of $90^{\circ} \mathrm{C}$. After completion of its operation, it was shut down and it was obse...

A microbial culture (following Monod model for growth) has a maximum specific growth rate of $0.1 \mathrm{~h}^{-1}$, Monod constant of $1 \mathrm{mg} \mathrm{L}^{-1}$ and...

A $\text{CSTR}$ with a volume of $100 \mathrm{~m}^{3}$ is operated in cell recycle mode. At a volumetric flow rate of $10 \mathrm{~m}^{3}$ day ${ }^{-1}$ and effluent bio...

The electron equivalent per liter (e-eq $\mathrm{L}^{-1}$ ) of acetate ion solution of concentration $10 \mathrm{~g} \mathrm{~L}^{-1}$ is $\_\_\_\_$ $\mathrm{e}^{-} \math...

From the following plot of $\dfrac{d y}{d x}$ versus $x$ and if $y(2)=5$, the value of $y(3)$ is $\_\_\_\_$. (rounded off to one decimal place) 

A batch sterilizer is being operated at $121^{\circ} \mathrm{C}$ for sterilizing a medium containing microbial cells. Assume that the thermal deactivation of cells is a f...

A substrate is consumed in a zero order reaction such that its concentration falls from $42 \mathrm{~g} \mathrm{~L}^{-1}$ to $14 \mathrm{~g} \mathrm{~L}^{-1}$ in $4$ hour...

A microbe that follows Monod growth kinetics on a limiting substrate (maximum specific growth rate of $0.5 \mathrm{~h}^{-1}$ and Monod constant of $0.1 ~\mathrm{mg} \math...

It is desired to cultivate $150$ mg (dry weight) microbial cells with an empirical formula of $\mathrm{C}_{5} \mathrm{H}_{7} \mathrm{O}_{2} \mathrm{~N}$. If the phosphoru...

In the process of generating a clonal mammalian cell line, a single cell was seeded in a well of a cell culture plate. After the first $48$ hours, one of the progeny cell...

A disease-associated allele shows $\text{X}$-linked recessive inheritance. If the mother is a carrier of the disease, the father is genetically normal and the child born ...

A packed bed bioreactor with length $1 \text{~m}$ and inside diameter $10 \text{~cm}$ has liquid flowing at an interstitial velocity of $1 \mathrm{~cm} \mathrm{~s}^{-1}$....

​​​​​As the police officer was found guilty of embezzlement, he was $\_\_\_\_\_$ dismissed from the service in accordance with the Service Rules.Select the most appropria...

​​​​​The sum of the following infinite series is:$$ \frac{1}{1!}+\frac{1}{2!}+\frac{1}{3!}+\frac{1}{4!}+\frac{1}{5!}+\cdots $$$\pi$$1+e$$e-1$$e$

​​​​​A thin wire is used to construct all the edges of a cube of $1 \: \mathrm{m}$ side by bending, cutting and soldering the wire. If the wire is $12 \: \mathrm{m}$ lon...

​​​​​​The figures $I$, $II$ and $III$ are parts of a sequence. Which one of the following options comes next in the sequence at $IV$?

​​​​​"Why do they pull down and do away with crooked streets, I wonder, which are my delight, and hurt no man living? Every day the wealthier nations are pulling down one...

​​Rohit goes to a restaurant for lunch at about $1$ $\text{PM}$. When he enters the restaurant, he notices that the hour and minute hands on the wall clock are exactly co...

​​​​​A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K).Which one of the following op...

​​​​​​A circle with center at $(x, y)=(0.5,0)$ and radius $=0.5$ intersects with another circle with center at $(x, y)=(1,1)$ and radius $=1$ at two points. One of the po...

​​​​​​An object is said to have an $n$-fold rotational symmetry if the object, rotated by an angle of $\frac{2 \pi}{n}$, is identical to the original.Which one of the fol...

​​​​The minimum value of the function$$ f(x)=x+\frac{4}{x} $$for $x>0$ is$1$$2$$3$$4$