AIPMT 2012 Mains | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. The orbital angular momentum of a p-electron is given as 2. Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the follow 3. Low spin complex of d6-cation in an octahedral field will have the following energy 4. Which of the following exhibits only + 3 oxidation state? 5. The catalytic activity of transition metals and their compounds is ascribed mainly to 6. Four successive members of the first series of the transition metals are listed below. For which one of them the standar 7. Which one of the following does not correctly represent the correct order of the property indicated against it? 8. In which of the following arrangements the given sequence is not strictly according to the property indicated against it 9. Activation energy (E$$a$$) and rate constants (k1 and k2) of a chemical reaction at two different temperatures (T1 and T 10. Molar conductivities $$\left( {\Lambda _m^o} \right)$$ at infinite dilution of NaCl, Hcl and CH3COONa are 126.4, 425.9 a 11. The Gibb's energy for the decomposition of Al2O3 at 500oC is as follows $${2 \over 3}$$ Al2O3 $$ \to $$ $${4 \over 3}$ 12. Standard reduction potentials of the half reactions are given below : F2(g) + 2e$$-$$ $$ \to $$ 2F$$-$$(aq) ;  & 13. Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at 25oC are 200 mm Hg and 41.5 mm Hg respectively. Va 14. An organic compound (C3H9N) (A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming 15. Consider the following reaction The product A is 16. Which of the following compounds will give a yellow precipitate with iodine and alkali? 17. Consider the reaction : RCHO + NH2NH2 $$ \to $$ RCH $$=$$ N $$-$$ NH2 What sort of reaction is it? 18. Which of the following compounds can be used as antifreeze in automobile radiators? 19. In the replacement reaction The reaction will be most favourable if M happens to be 20. Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne? 21. Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g), A2(g) + B2(g) $$\rightlefthar 22. Given that the equilibrium constant for the reaction, 2SO2(g) + O2(g) $$\rightleftharpoons$$ 2SO3(g) has a value of 27 23. Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them 24. During change of O2 to O$$_2^{ - }$$ ion, the electron adds on which one of the following orbitals ?

Physics

1. The power dissipated in the circuit shown in the figure is 30 watts. The value of R is 2. To get an output Y= 1 in given circuit which of the following input will be correct ? 3. The transition from the state n = 3 to n = 1 in a hydrogen like atom results in ultraviolet radiation. Infrared radiatio 4. If the momentum of an electron is changed by P, then the de Broglie wavelength associated with changes by 0.5%. The init 5. Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work fu 6. A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its enf 7. For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material 8. The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic wave propagatting in 9. In a coil of resistance 10 $$\Omega $$, the induced current developed by changing magnetic flux through it, is shown in 10. The instantaneous values of alternating current and voltage in a circuit are given as $$i = {1 \over {\sqrt 2 }}$$ sin 11. A magnetic needle suspended parallel to a magnetic field requires $$\sqrt 3 J$$ of work to turn it through 60o. The torq 12. A proton carrying 1 MeV kinetic energy is moving in a circular path of radius R in uniform magnetic field. What should b 13. A cell having an emf $$\varepsilon $$ and internal resistance r is connected across a variable external resistance R. As 14. Two metallic spheres of radii 1 cm and 3 cm are given charges of $$-$$1 $$ \times $$ 10$$-$$2 C and 5 $$ \times $$ 10$$ 15. A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p 16. The equation of a simple harmonic wave is given by y = 3 sin$${\pi \over 2}$$(50t $$-$$ x), where x and y are in metre 17. An ideal gas goes from state A to state B via three different processes as indicated in the P-V diagram. If Q1, Q2, Q3 18. A slab of stone of area 0.36 m2 and thickness 0.1 m is exposed on the lower surface to steam at 100oC. A block of ice at 19. Which one of the following plots represents the variation of gravitiational field on a particle with distance r due to a 20. If $${v_e}$$ is escape velocity and $${v_o}$$ is orbital velocity of a satellite for orbit close to the earth's surface, 21. Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm and 400 g at x = 70cm. The distance of the c 22. The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through 23. A car of mass m is moving on a level circular track of radius R. If $$\mu $$s represents the static friction between the 24. A circular platform is mounted on a frictionless vertical axle. Its radius R = 2 m and its moment of inertia about the a 25. A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant mag 26. A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a he 27. The dimensions of $${\left( {{\mu _0}{\varepsilon _0}} \right)^{ - 1/2}}$$ are

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

Which one of the following organisms is correctly matched with its three characteristic?

Pea: C₃ pathway, endospermic seed, vexillary aestivation

Tomato : twisted aestivation, axile placentation, berry

Onion : bulb, imbricate aestivation, axile placentation

Maize : C₃ pathway, closed vascular bundles, scutellum

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

Which one of the following categories of animals, is correctly described with no single exception in it?

All reptiles posses scales, have a three chambered heart and are cold blooded (poikilothermal).

All bony fishes have four pairs of gills and an operculum on each side.

All sponges are marine and have collared cells.

All mammals are viviparous and possess diaphargm for breathing.

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?

Pteropus and Ornithorhynchus		_		Viviparity

Garden lizard and crocodile		_		Three chambered heart

Ascaris and Ancylostoma		-		Metameric segmentation

Sea horse and flying fish		-		Cold blooded (poikilothermal)

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia

Four

Five

Six

Three

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