List of top Questions asked in AIIMS

Rates of nitration of benzene and hexadeuterobenzene are different. $C - H$ bond is stronger than $C - D$ bond.
Ozone is a powerful oxidising agent in comparison to $O_2$ . Ozone is diamagnetic but $O_2$ is paramagnetic.
In humans, the gamete contributed by the male determines whether the child produced will be male or female. Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X$-chromosome and some on $Y$-chromosome.
First ionisation energy for nitrogen is lower than oxygen. Across a period effective nuclear charge decreases.
Cyclopentadienyl anion is much more stable than allyl anion. Cyclopentadienyl anion is aromatic in character.
Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong?
The family containing mustard and its main characters are
Which one of the following four secretions is correctly matched with its source, target and nature of action?
Given below is a pedigree chart showing the inheritance of a certain sex-linked trait in humans. The trait traced in the above pedigree chart is
A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking
In which one of the following would you expect to find glyoxysomes ?
Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) x aabbcc (light colour), in $F_2$ generation what proportion of the progeny is likely to resemble either parent?
A solid sphere is rolling on a frictionless surface, shown in figure with a translational velocity $v\, m/s$. If it is to climb the inclined surface then $v$ should be
$C-DNA$ probes are copied from the messenger RNA molecules with the help of
A magnet is made to oscillate with a particular frequency, passing through a coil as shown in figure. The time variation of the magnitude of e.m.f. generated across the coil during one cycle is
A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents trace of its centre of mass.
A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through its center. At some instant of time a viscous fluid of mass $m$ is dropped at the center and is allowed to spread out and finally fall. The angular velocity during this period
A conducting ring of radius $1\, m$ is placed in an uniform magnetic field $B$ of $0.01\, T$ oscillating with frequency $100\, Hz$ with its plane at right angle to $B$. What will be the induced electric field?
A candle of diameter $d$ is floating on a liquid in a cylindrical container of diameter $D (D > > d)$ as shown in figure. If it is burning at the rate of $2$ cm/hour then the top of the candle will
For ensuring dissipation of same energy in all three resistors $(R_1,R_2,R_3) $ connected as shown in figure, their values must be related as
By roughening the surface of a glass sheet its transparency can be reduced. Glass sheet with rough surface absorbs more light.
In a semiconducting material the mobilities of electrons and holes are $\mu_{e}$ and $\mu_{h}$ respectively. Which of the following its true?
In the figure given the position-time graph of a particle of mass $0.1\, kg$ is shown. The impulse at $t=2\, s$ is :
The condition for a uniform spherical mass $m$ of radius $r$ to be a black hole is : $[G=$ gravitational constant and $g=$ acceleration due to gravity]
A telescope has an objective lens of focal length $200\, cm$ and an eye piece with focal length $2\, cm$. If this telescope is used to see a $50\, m$ tall building at a distance of $2\, km$, what is the height of the image of the building formed by the objective lens?