List of practice Questions

Which nomenclature is not according to IUPAC system?
When two ice cubes are pressed over each other they unites to form one cube. Which of the following forces are responsible to hold them together?
When alkyl halide is heated with dry $ A{{g}_{2}}O, $ it produces
What is true about ribosomes?
What is it that forms the basis of DNA fingerprinting?
Water containing cavities in vascular bundles are found in
In genetic engineering, the antibiotics are used
Identify the alloy containing a non-metal as a constituent in it
Hex-2-en-4-yne is
During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are
Considering $x$-axis as the internuclear axis, which out of the following will not form a sigma bond.
An organic compound $(C_3H_9N)$ $(A)$, when treated with nitrous acid, gave an alcohol and $N_2$ gas was evolved. $(A)$ on warming with $CHCl_3$ and caustic potash gave $(C)$ which on reduction gave isopropylmethyl amine. Predict the structure of $(A)$.
A metal $M$ on heating in nitrogen gas gives $Y. Y$ on treatment with $H_2O$ gives a colourless gas which when passed through $CuSO_4$ solution gives a blue colour. $Y$ is
A liquid in a beaker has temperature $\theta(t)$ at time $t$ and $\theta_0$ is temperature of surroundings, then according to Newton's law of cooling the correct graph between $log_{e}\left(\theta-\theta_{0}\right)$ and $t$ is :
A hypothetical atom has only three energy levels. The ground level has energy, $E_1 = - 8$ eV. The two excited states have energies, $E_2 = - 6$ eV and $E_3 = - 2$ eV. Then which of the following wavelengths will not be present in the emission spectrum of this atom?
$HIV$ is a member of a group of viruses called
The number of linkage group(s) present in Escherichia coli is
$H_{3}BO_{3}$ is acidic because it
A goods train accelerating uniformly on a straight railway track, approaches an electric pole standing on the side of track. Its engine passes the pole with velocity $u$ and the guard?s room passes with velocity $v$. The middle wagon of the train passes the pole with a velocity.
A given ideal gas with $\gamma = \frac{C_{p}}{C_{v}} = 1.5$ at a temperature $T$. If the gas is compressed adiabatically to one-fourth of its initial volume, the final temperature will be
For which colour, angle of d eviation is minimum?
An electron of charge $e$ is orbiting in a circular path of radius $r$ with a uniform speed $v$. Its magnetic moment will be
If $\upsilon_{s}$ is the velocity of sound in air and $\upsilon$ is the $rms$ value, then
Which technique is used in separating proteins from other cell fractions
Which is not a lymphoid organ