List of top Questions asked in AIIMS

Starch is a mixture of two components, a water soluble component amylose $(15-20\%)$ and a water insoluble component amylopectin $(80-85 \%)$. The aqueous solution of amylose gives a blue colour with iodine solution due to the formation of

Starting from the maximum, arrange the following male reproductive accessory organs in the correct order, based on the amount of secretion poured into urethra. (i) $\quad$Prostrate gland (ii) $\quad$Seminal vesicle (iii)$\quad$ Bulbourethral gland

$SER$ and $RER$ can be distinguished with its presence in

Select the correct pair amongst the following.

Predict in which of the following entropy decreases.

Polaroid glass is used in sun glasses because

Oxidation state of iron in haemoglobin is

Occurrence of triploid (3n) primary endosperm nucleus is a characteristic feature of

$K_2Cr_2O_7$ in acidic medium converts into

India is one of the twelve megadiversity countries with ____ of genetic resources of the world.

In the preparation of $ HNO_{3}$ we get $NO$ gas by catalytic oxidaton of ammonia. The moles of $NO$ produced by the oxidation of two moles of $NH_{3}$ will be

In $BF_3$, the $B??F$ bond length is $1.30\, ??, when $BF_3$ is allowed to be treated with $Me_3N$, it forms an adduct, $Me_3N \to BF_3$, the bond length of $B ??F$ in the adduct is

In an intrinsic semiconductor band gap is $1.2\, eV$ then ratio of number of charge carriers at $600\, K$ and $300\, K$ is

In a solid, atom $M$ occupies $ccp$ lattice and $1/3^{rd}$ of tetrahedral voids are occupied by atom $N$. Find the formula of solid formed by $M$ and $N$.

Hair cream is

Genetically modified (GM) crops can be produced by

Electrode potential of hydrogen electrode is $18\, mV,$ then $[H^+]$ is

The highest oxidation state of $ Os$ is $+ 8$. Osmium is a $5$ $d$-block element.

The de-Broglie wavelength equation has significance for any microscopic and submicroscopic particles. de-Broglie wavelength is inversely proportional to the mass of the object its velocity is constant.

Small intestine is the principal organ for absorption of nutrients. Absorption of water, simple sugars and alcohol etc. takes place in small intestine.

Resolving power of a telescope depends only on wavelength. This is proportional to square of wavelength.

Protostele is the simplest stele. Protostele is the most advanced type of stele.

Phenol forms $2,4, 6$-tribromophenol on treatment with $Br_{2}$ in carbon disulphide at $273 \,K$. Bromine polarises in carbon disulphide.

Periodic abstinence is a natural method where couples abstain from coitus Coitus from day 5-10 should be avoided because this is the time of ovulation.