List of top Questions asked in AIIMS

Which of the following hydrogen halides is most basic?
Strongest acid among the following is
Given that $C+O_{2} \rightarrow C O_{2} ; \Delta H^{\circ} = -a\,kJ$. $2 CO + O _{2} \rightarrow 2 CO _{2} ; \Delta H ^{\circ}=- b \,kJ$ The heat of formation of $CO$ is
A solid $AB$ has $NaCl$ type structure. The radius of $A^+$ is $100\, pm$. What is the radius of $B^-$ ?
An oocyte is released from the ovary under the influence of LH
Who discovered photophosphorylation?
Photosynthetic bacteria do not contain
Which of the following statements is correct regarding short day plants (SDPs)?
Stomata remain open during day. Stomata help in exchange of gases.
Among the land animals, the Cheetah can run fastest over the ground. The Cheetah uses its powerful forelimbs to push itself forward during running.
Cocaine is a stimulant, which may cause addiction. It is an alkaloid obtained from
Some students, during a study, caught, marked and released 80 fishes in a pond. Later 100 fishes were caught at random. Among these 40 were found to be marked. What is the approximate number of fishes in the pond?
Wooden doors swell up and get stuck during the rainy season. This is due to the phenomenon of
Which of these are considered most essential in the origin of life?
A human RBC is placed in 1.5% salt solution. It will
A body of mass $M$ moving with velocity $V$ explodes into two equal parts. If one comes to rest and the other body moves with velocity $v$, what would be the value of $v$ ?
At a place earth's magnetic field $5 \times 10^{5} Wb / m ^{2}$ is acting perpendicular to a coil of radius $R=5 \,cm$. If $\mu_{0} / 4 \pi=10^{-7}$, then how much current is induced in circular loop?
Colour of a star depends upon
A particle is revolving in a circle of radius $R$. If the force acting on it is inversely proportional to $R$, then the time period is proportional to
For liquid to rise in a capillary tube, the angle of contact should be
The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface is $v$. The orbital velocity of a satellite orbiting at an altitude of half of the radius, is
$1 \,Kcal$ of heat flowing through a rod of iron. When the rod is cut down to $4$ pieces then what will be the heat flowing through each piece having same differential temperature?
S.I. unit of velocity is
Speed in kilometer per hour in S.I. unit is represented as
A certain aqueous solution of $FeCl _{3}$ [formula mass $=162]$ has a density of $1.1 g / mL$ and contains $20.0 \% FeCl _{3} .$ Molar concentration of this solution is