List of practice Questions

The drug of choice for Torsades de pointes treatment is:

\( ^{13}C \) chemical shift has a much wider range (<300 ppm) than \( ^1H \) (<10 ppm) because:

Who is the recipient of 'World Entrepreneur of The Year award' for 2020?

In one of the following sulfonamides, pyrimidine ring is absent. Which is it?

Histamine structure is represented by:

P2Y12 is a chemoreceptor for adenosine diphosphate (ADP) that:

Neopentane and 2-methyl butane are which type of isomers?

Which activity (the signal transduction pathway) of metformin is responsible for the inhibitory effect on glucose production by liver cells?

Remdesivir interferes with the action of which viral enzyme?

Captisol is an excipient based on:

6-Fluoro-3-oxo-3,4-dihydro-2-pyrazine carboxamide is the IUPAC name of which drug?

This reaction mechanism is favored by \( 3^{\circ} \) substrates, low temperatures, polar solvents, and low concentrations of very weak bases.

Which of the following is a cytokine inhibitor used as anti-inflammatory?

Let $f: R \rightarrow R$ be a differentiable function such that its derivative $f^{\prime}$ is continuous and $f(\pi)=-6$. If $F$ : $[0$, $\pi] \rightarrow R$ is defined by $F(x)=\int\limits_{0}^{x} f(t) d t$, and if
$\int\limits_{0}^{\pi}\left(f^{\prime}(x)+F(x)\right) \cos x d x=2$
then the value of $f (0)$ is _____

A fruit vendor purchases two varieties of oranges at the rates of 12 oranges for ₹ 18 and 18 oranges for ₹ 12. He mixes the two varieties in the ratio of 2: 3 and sells the mixed stock at a price of ₹ 144 for 10 dozens. What percentage of profit or loss does he make ?

In which of the following molecule, the bond angle is 107°48'?

Identify the related word:
'Needle' is to 'Clock' as 'Wheel' is to

Identify the wrong statement with regard to Restriction Enzymes.

Consider two ideal diatomic gases $A$ and $B$ at some temperature $T$. Molecules of the gas A are rigid , and have an mass $m$. Molecules of the gas $B$ have an additional vibrational mode, and have a mass $\frac{m}{4}.$ The ratio of the specific heats $(C^{A}_{V}$ and $C^{B}_{V})$ of gas $A$ and $B$, respectively is :

The coordinates of centre of mass of a uniform flag shaped lamina (thin flat plate) of mass $4\, kg$. (The coordinates of the same are shown in figure) are :

The electronic configurations of bivalent europium and trivalent cerium are : (atomic number: $Xe = 54, Ce =58, Eu ??63$)

Taking into account of the significant figures, what is the value of $9.99 \,m - 0.0099 \,m$ ?

Model a torch battery of length $l$ to be made up of a thin cylindrical bar of radius $'a'$ and a concentric thin cylindrical shell of radius $'b'$ filled in between with an electrolyte of resistivity $\rho$ (see figure). If the battery is connected to a resistance of value $R ,$ the maximum Joule heating in $R$ will take place for :

In a building there are $15$ bulbs of $45\, W, 15$ bulbs of $100\, W$, $15$ small fans of $10\, W$ and $2$ heaters of $1\, kW$. The voltage of electric main is $220\, V$. The minimum fuse capacity (rated value) of the building will be: