List of top Questions asked in AIIMS, DUET

Atom bomb is based on the principle of
The rainbow is seen sometimes in the sky when it is raining. When one sees a rainbow, one?? back is towards the Sun. Internal reflection from water droplet causes dispersion. The final ray is in the backward direction.
The development in cockroach is heterometabolous metamorphosis. The young ones resemble the adults in all.
How many gm of silver will be displaced from a solution of $AgNO_3$ by $4\, gm$ of magnesium?
What is the correct bond angle in dimethyl ether?
The number of $P ??OH$ bonds and the oxidation state of phosphorus atom in pyrophosphoric acid $(H_4P_2O_7)$ respectively are
In the presence of an acid, hydrolysis of methyl cyanide produces
Two different gases enclosed in different flasks $A$ and $B$ at same temperature and pressure were found to contain same number of molecules. The ratio of volumes of the flasks $A$ and $B$ must be
In order to protect, iron from corrosion, the iron is coated with
By the electrolysis of aqueous solution of $CuSO_{4}$, the products obtained at both the electrodes are
Phenol undergoes Kolbe?? reaction whereas ethanol does not. Phenoxide ion is more basic than ethoxide ion.
A normal human eye can clearly see all the objects beyond a certain minimum distance. The human eye has the capacity to suitably adjust the focal length of its lens to a certain extent.
An intrinsic semiconductor, at the absolute zero temperature, behaves like a/an
Meroblastic cleavage refers to which type of division of eggs ?
Cis-trans test is related with
Hominids originated during
During muscle contraction actin and myosin form
Inheritance of ABO blood groups illustrates
Stomach in vertebrates is the chief site for digestion of
The power factor varies between :
The motion of a rocket is based on the principle of conservation of
The logic circuit given in the figure performs the logic operation
The velocity of photons is proportional to (where $\upsilon$ = frequency)
A metal rod at a temperature of $150^{\circ} C$, radiates energy at a rate of $20\, W$. If its temperature is increased to $300^{\circ} C$, then it will radiate at the rate of
The orbital speed of jupiter, is