AIPMT 2012 Mains

Represented below is the inheritance pattern of the certain type of traits in humans. Which one of the
following conditions could be an example of this pattern ?

A test cross is carried out to :

Which one of the following statements is wrong?

What is the function of germ pore?

Plants with ovaries having only one or a few ovules, are generally pollinated by

Green revolution in India occurred during -

Given below is the diagrammatic sketch of a certain type of connective tissue. identify the parts labeled A, B, C and D and select the right option about them

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one
of these is correctly identified in the options given, along with its correct location and function ?

The supportive skeletal structures in the human external ears and in the nose tip are examples of

Which one of the following organisms is scientifically correctly named, correctly printed according to the international Rules of Nomenclature and correctly described?

Which of the following compounds can be used as antifreeze in automobile radiators?

Which of the following compounds will give a yellow precipitate with iodine and alkali?

Consider the following reaction

The product A is

Consider the reaction :
RCHO + NH2NH2 \(\to\) RCH \(=\) N \(-\) NH2
What sort of reaction is it?

Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them

During change of O2 to O\(_2^{ - }\) ion, the electron adds on which one of the following orbitals ?

Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g),
A2(g) + B2(g) \(\rightleftharpoons\) 2AB(g)
At equilibrium, the concentration of
A2 = 3.0 \(\times\) 10\(-\)3 M, of B2 = 4.2 \(\times\) 10\(-\)...

Given that the equilibrium constant for the reaction,
2SO2(g) + O2(g) \(\rightleftharpoons\) 2SO3(g)
has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temp...

Activation energy (E\(a\)) and rate constants (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by

Chloroamphenicol is an

Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?

Low spin complex of d6-cation in an octahedral field will have the following energy

Which of the following exhibits only + 3 oxidation state?

The catalytic activity of transition metals and their compounds is ascribed mainly to

Which one of the following does not correctly represent the correct order of the property indicated against it?

Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential \(\left( {E_{{M^{2 + }}/M}^o} \right)\) value has a positive sign?

Standard reduction potentials of the half reactions are given below :
F2(g) + 2e\(-\) \(\to\) 2F\(-\)(aq) ;   Eo = + 2.85 V
Cl2(g) + 2e\(-\) \(\to\) 2Cl\(-\)(aq) ;   Eo = + 1.36 V
Br2(l) + 2e\(-\) \(\to\) 2Br\(-\)(aq) ;   Eo = ...

Molar conductivities \(\left( {\Lambda _m^o} \right)\) at infinite dilution of NaCl, Hcl and CH3COONa are 126.4, 425.9 and 91.0 S cm2 mol\(-\)1 respectively. \(\left( {\Lambda _m^o} \right)\) for CH3COOH will be

The Gibb's energy for the decomposition of Al2O3 at 500oC is as follows
\({2 \over 3}\) Al2O3 \(\to\) \({4 \over 3}\) Al + O2
\(\Delta\)rG = +960 kJ mol\(-\)1
The potential difference needed for the electrolytic reduction of aluminium ...

Equal volumes of two monoatomic gases, A and B at same temperature and pressure are mixed. The ratio of specific heats (Cp/Cv) of the mixture will be

For real gases van der Waals equation is written as \(\left( {p + {{a{n^2}} \over {{V^2}}}} \right)\) (V \(-\) nb) = n RT
where \(a\) and \(b\) are van der Waals constants. Two sets of gases are
(I)  O2, CO2, H2 and He
(II)  CH4. O2 and...

A certain gas takes three times as long to effuse out as helium. Its molecular mass will be

In the replacement reaction

The reaction will be most favourable if M happens to be

Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?

An organic compound (C3H9N) (A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming with CHCl3 and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A)

In which of the following arrangements the given sequence is not strictly according to the property indicated against it?

Which one of the following sets forms the biodegradable polymer?

Structure of a mixed oxide is cubic close packed (ccp). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are cooupied by a monovalent...

Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at 25oC are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of CHCl3 and 40 g of CH2Cl2 at the same temperature will be
(Mol...

The orbital angular momentum of a p-electron is given as

The instantaneous values of alternating current and voltage in a circuit are given as
\(i = {1 \over {\sqrt 2 }}\) sin (100 \(\pi\)t) ampere
\(e = {1 \over {\sqrt 2 }}\sin \left( {100\pi t + {\pi \over 3}} \right)\) Volt
The average powe...

The half life of a radioactive nucleus is 50 days. The time invertal (t2 \(-\) t1) between the time t2 when \({2 \over 3}\) of it has decayed and the time t1 when \({1 \over 3}\) of it had decayed is

The transition from the state n = 3 to n = 1 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from

A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is d and area of each plate is A, the energy stored in the capacitor is

Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm and 400 g at x = 70cm. The distance of the centre of mass from the orgin is :

The power dissipated in the circuit shown in the figure is 30 watts. The value of R is

A cell having an emf \(\varepsilon\) and internal resistance r is connected across a variable external resistance R. As the resistance R is increased, the plot of potential difference V across R is given by

Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is

If the momentum of an electron is changed by P, then the de Broglie wavelength associated with changes by 0.5%. The initial momentum of electron will be

In a coil of resistance 10 \(\Omega\), the induced current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through the coil in weber is