AIPMT 2010
Previous Year Questions

Which one of the following is monoecious?

Jaundice is disorder of :

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in the statements. Statements: (A) Wings of butterfly and birds look alike and are the results of _____ (i) _____ evolution. (B) Miller showed that $CH_4$, $H_2$, $NH_3$ and _____ (i) _____, when exposed to electric discharge in a flask resulted in formation of _____ (ii) _____. (C) Vermiform appendix is a _____ (i) _____ organ and an _____ (ii) _____ evidence of evolution. (D) According to Darwin evolution took place due to _____ (i) _____ and _____ (ii) _____ of the fittest.

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the :

Select the correct matching of a hormone, its source and function.

A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called :

A person suffering from a disease caused by $Plasmodium$, experiences recurring chill and fever at the time when :

Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms. (a) Methanogens are archaebacteria which produce methane in marshy areas. (b) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen. (c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose. (d) Mycoplasma lack a cell wall and can survive without oxygen. The correct statements are :

Read the following four statements A, B, C and D and select the right option having both correct statements. (A) Z-scheme of light reaction takes place in presence of PSI only. (B) Only PSI is functional in cyclic photophosphorylation. (C) Cyclic photophosphorylation results in synthesis of ATP and $NADPH_2$. (D) Stroma lamellae lack PSII as well as NADP reductase. The correct statements are :

Which one of the following techniques is safest for the detection of cancers?

Select the answer with correct matching of the structure, its location and function.

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given with. Components: (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic reticulum (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are :

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of :

Consider the following four statements A, B, C and D and select the right option for two correct statements. (A) In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel. (B) The floral formula for Liliaceae is: $$\oplus \; ⚥ \; P_{3+3} \; A_{3+3} \; G_{\underline{3}}$$ (C) In pea flower the stamens are monadelphous. (D) The floral formula for Solanaceae is: $$\oplus \; ⚥ \; K_{(5)} \; C_{(3)} \; G_{(2)}$$ The correct statements are :

The most apparent change during the evolutionary history of $Homo\ sapiens$ is traced in :

Transport of food material in higher plants takes place through :

Crocodile and Penguin are similar to Whale and Dogfish in which one of the following features?

The Indian Rhinoceros is a natural inhabitant of which one of the Indian states?

In Antirrhinum, two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red : 2 pink : 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by $RR$, and white by $rr$ genes.

Fastest distribution of some injectable material / medicine and with no risk of any kind can be achieved by injecting it into the :

Which one of the following is most appropriately defined?

Kranz anatomy is one of the characteristics of the leaves of :

The fruit fly $Drosophila\ melanogaster$ was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because :

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?

Which one of the following cannot be used for preparation of vaccines against plague?

One of the commonly used plant growth hormones in tea plantations is :

The haemoglobin content per 100 ml of blood of a normal healthy adult is :

Black (stem) rust of wheat is caused by :

In human female the blastocyst :

Which of the following are used in gene cloning?

ABO blood grouping is controlled by gene $I$ which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?

Given below are four statements (a-d) regarding human blood circulatory system. (a) Arteries are thick-walled and have narrow lumen as compared to veins. (b) Angina is acute chest pain when the blood circulation to the brain is reduced. (c) Persons with blood group AB can donate blood to any person with any blood group under ABO system. (d) Calcium ions play a very important role in blood clotting. Which two of the above statements are correct?

Vegetative propagation in $Pistia$ occurs by :

Which one of the following pairs of structure is correctly matched with their correct description?

Secretions from which one of the following are rich in fructose, calcium and some enzymes?

When domestic sewage mixes with river water :

Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?

Root development is promoted by :

In which one of the following organisms its excretory organs are correctly stated?

If for some reason the parietal cells of the gut epithelium become partially nonfunctional, what is likely to happen?

Which one of the following is now being commercially produced by biotechnological procedures?

The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (1-4) the components of reaction labelled as A, B, C and D are identified correctly?

An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called :

Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified?

Which one of the following statements about the particular entity is true?

Study the pathway given below. In which of the following options correct words for all the three blanks A, B and C are indicated.

Which one of the following is a xerophytic plant in which the stem is modified into a flat, green and succulent structure?

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct?

The lac operon consists of :

Given below is the diagram of a bacteriophage. In which one of the options all the four parts A, B, C and D are correct?

Which one of the following is the correct description of a certain part of a normal human skeleton?

An example of endomycorrhiza is :

Aestivation of petals in the flower of cotton is correctly shown in :

Examine the figures (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C and D are identified correctly.

Which of the following representations shows the pyramid of number in a forest ecosystem?

Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character.

The correct floral formula of soybean is :

The $3' - 5'$ phosphodiester linkages inside a polynucleotide chain serve to join :

In genetic engineering, a DNA segment (gene) of interest is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as vector/vectors. (A) a bacterium (B) plasmid (C) plasmodium (D) bacteriophage

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.

Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is:

The reaction: 2A(g) + B(g) ⇌ 3C(g) + D(g) is begun with the concentrations of A and B both at an initial value of 1.00 M. When equilibrium is reached, the concentration of D is measured and found to be 0.25 M. The value of equilibrium constant for this reaction is given by the expression:

Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al₂(SO₄)₃? Given that λ°Al³⁺ and λ°SO₄²⁻ are the equivalent conductances at infinite dilution of the respective ions.

The pressure exerted by 6.0 g of methane gas in a 0.03 m³ vessel at 129°C is (Atomic masses: C = 12.01, H = 1.01, R = 8.314 J K⁻¹ mol⁻¹):

Match List I (Equations) with List II (Types of processes) and select the correct option.

Among the following four compounds: (i) Phenol (ii) Methyl phenol (iii) Meta-nitrophenol (iv) Para-nitrophenol. The acidity order is:

Among the following which one has the highest cation to anion size ratio?

Which of the following species is not electrophilic in nature?

Consider the following relations for emf of an electrochemical cell: (i) EMF of cell = (Oxidation potential of anode) - (Reduction potential of cathode) (ii) EMF of cell = (Oxidation potential of anode) + (Reduction potential of cathode) (iii) EMF of cell = (Reduction potential of anode) + (Reduction potential of cathode) (iv) EMF of cell = (Oxidation potential of anode) - (Oxidation potential of cathode) Which of the above relations are correct

In which of the following molecules, the central atom does not have sp$^3$ hybridization?

For vaporization of water at 1 atmospheric pressure, ΔH and ΔS are 40.63 kJ mol⁻¹ and 108.8 J K⁻¹ mol⁻¹ respectively. The temperature at which Gibbs energy change (ΔG) for this transformation will be zero is:

Match List I (substances) with List II (processes) employed in manufacture and select the correct option:

When glycerol is treated with excess of HI, it produces:

Some statements about heavy water are given below : (i) Heavy water is used as a moderator in nuclear reactors. (ii) Heavy water is more associated than ordinary water. (iii) Heavy water is more effective solvent than ordinary water. Which of the above statements are correct?

The compound $A$ on heating gives a colourless gas and a residue that is dissolved in water to obtain $B$. Excess of $CO_2$ is bubbled through aqueous solution of $B$, $C$ is formed which is recovered in the solid form. Solid $C$ on gentle heating gives back $A$. The compound $A$ is :

Match the compounds given in List I with their characteristic reactions given in List II. Select the correct option.

Which one of the following compounds will be most readily dehydrated?

The rate of reaction $$2NO + Cl_2 \rightarrow 2NOCl$$ is given by the rate equation $$\text{Rate} = k[NO]^2[Cl_2]$$ The value of the rate constant can be increased by :

Which of the following complexes is not expected to exhibit isomerism?

Which of the following conformers for ethylene glycol is most stable?

The IUPAC name of the compound $$CH_3CH=CHC\equiv CH$$ is :

Which of the following oxidation state is the most common among the lanthanoids?

How many bridging oxygen atoms are present in $P_4O_{10}$ ?

Some of the properties of the two species, $NO_3^-$ and $H_3O^+$ are described below. Which one of them is correct?

The following two reactions are known: $$Fe_2O_3(s) + 3CO(g) \rightarrow 2Fe(s) + 3CO_2(g) \qquad \Delta H = -26.8\ kJ$$ $$FeO(s) + CO(g) \rightarrow Fe(s) + CO_2(g) \qquad \Delta H = -16.5\ kJ$$ The value of ΔH for the following reaction: $$Fe_2O_3(s) + CO(g) \rightarrow 2FeO(s) + CO_2(g)$$ is :

Following compounds are given: (i) $CH_3CH_2OH$ (ii) $CH_3COCH_3$ (iii) $CH_3CH(OH)CH_3$ (iv) $CH_3OH$ Which of the above compound(s), on being warmed with iodine solution and $NaOH$, will give iodoform?

Fructose reduces Tollen's reagent due to :

In the following reaction, $$C_6H_5CH_2Br \xrightarrow[2.H_3O^+]{1.Mg/Ether} X$$ The product 'X' is :

A current loop consists of two identical semicircular parts each of radius R, one lying in the x-y plane and the other in x-z plane. If the current in the loop is i. The resultant magnetic field due to the two semicircular parts at their common centre is

Two following figures show a logic gate circuit with two inputs A and B and the output Y. The voltage wave forms of A, B and Y are as given. The logic gate is

Two parallel metal plates having charges +Q and -Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will

The electric field at a distance $\frac{3R}{2}$ from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance $\frac{R}{2}$ from the centre of the sphere is

A student measures the distance traversed in free fall of a body, initially at rest, in a given time. He uses this data to estimate g, the acceleration due to gravity. If the maximum percentage errors in measurement of the distance and the time are $e_1$ and $e_2$ respectively, then the percentage error in the estimation of g is

When monochromatic radiation of intensity I falls on a metal surface, the number of photoelectrons and their maximum kinetic energy are N and T respectively. If the intensity of radiation becomes 2I, the number of emitted electrons and their maximum kinetic energy are respectively

The electric field of an electromagnetic wave in free space is given by $\vec{E} = 10\cos(10^7 t + kx)\hat{j}\ \text{V/m}$, where t and x are in seconds and metres respectively. It can be inferred that: (i) the wavelength λ is 188.4 m (ii) the wave number k is 0.33 rad/m (iii) the wave amplitude is 10 V/m (iv) the wave is propagating along +x direction. Which one of the following pairs of statements is correct?

The speed of light in media $M_1$ and $M_2$ are $1.5 \times 10^8\ \text{m/s}$ and $2.0 \times 10^8\ \text{m/s}$ respectively. A ray of light enters from medium $M_1$ to $M_2$ at an incidence angle i. If the ray suffers total internal reflection, the value of i is

A ray of light is incident on a 60° prism at the minimum deviation position. The angle of refraction at the first face (or the angle of incidence at the second face) of the prism is

For transistor action: (1) Base, emitter and collector regions should have similar size and doping concentrations. (2) The base region must be very thin and lightly doped. (3) The emitter-base junction is forward biased and base-collector junction is reverse biased. (4) Both the emitter-base junction as well as the base-collector junction are forward biased.

The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M, to transfer it from a circular orbit of radius $R_1$ to another of radius $R_2$ ($R_2 > R_1$) is

The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is

From a circular disc of radius $R$ and mass $9M$, a small disc of mass $M$ and radius $\dfrac{R}{3}$ is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is

A particle moves in the $xy$-plane according to the rule $$x = a\sin\omega t$$ $$y = a\cos\omega t$$ The particle follows