List of top Questions asked in AIIMS

A mangrove tree growing in marshy place has pneumatophores. Pneumatophores help in better anchorage to marshy soil.
An organic compound $'X'$ on treatment with pyridinium chlorochromate in dichloromethane gives compound $'Y'$ Compound $'Y'$ reacts with $I_{2}$ and alkali to form triiodomethane. The compound $'X'$ is
The following are some statements related to $VA $ group hydrides, I. Reducing property increases from $NH_{3}$ to $BiH_{3}$ II. Tendency to donate lone pair decreases from $NH_{3}$ to $BiH_{3}$ III. Thermal stability of hydrides decreases from $NH_{3}$ to $BiH_{3}$ IV. Bond angle of hydrides decreases from $NH_{3}$ to $BiH_{3}$ The correct statements are
Which of the following is not tetrahedral?
$CH _{3} COOH \xrightarrow{ LiAlH _{4}}A + CH _{3} COOH \xrightarrow{ H _{3} O ^{+}} B + H _{2} O$ In the above reactions ' $A$ ' and ' $B$ ' respectively are
Which one of the following noble gases is used in miners cap lamps?
$138\, g$ of ethyl alcohol is mixed with $72\, g$ of water. The ratio of mole fraction of alcohol to water is
In which of the following groups are seeds present?
Ergotamine tartarate extracted from Claviceps, is used for cure of
Pappus helps in dispersal of pollen in
One of these protozoans is threat to apiculture and sericulture
What type of sorus is present in Nephrolepis?
The animal group which does not exist in Galapagos island is
Diatoms do not decay easily because
Protists obtain their food as
Photosynthetic bacteria have
After glycolysis, fate of glucose in mitochondrial matrix is
Which of the following is not a peroxy acid?
A far sighted person has his near point 50 cm, find the power of lens he should use to see at 25 cm, clearly.
A body of mass $0.5\, kg$ is projected under gravity with a speed of $98\, m / s$ at an angle of $60^{\circ}$ with the horizontal. The change in momentum (in magnitude) of the body is
An ideal coil of $10\, H$ is joined in series with a resistance of $5 \,\Omega$ and battery of $5\, V,\, 2 s$ after joining the current flowing (in ampere) in the circuit will be
A rocket is fired upward from the earth surface such that it creates an acceleration of $19.6\, m / s ^{2}$. If after $5\, s$, its engine is switched off, the maximum height of the rocket from earth's surface would be
A $60\, kg$ weight is dragged on a horizontal surface by a rope through a distance of $2m$. If coefficient of friction is $ \mu =0.5, $ the angle of rope with surface is $60^{\circ}$ and $g=9.8\,m/{s}^{2}, $ then work done is
Two tangent galvanometer having coils of the same radius are connected in series. A current flowing in them produces deflection of $60^{\circ}$ and $45^{\circ}$ respectively. The ratio of the number of turns in the coils is
A 0.2 kg object at rest is subjected to a force $\left(0.3\hat{i}-0.4\hat{ j}\right)$ N. What is the velocity after 6 s?