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AIPMT 2003

Exam Held on Sun May 04 2003 10:00:00 GMT+0000 (Coordinated Universal Time)
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Biology

Species are considered as
Biosystematics aims at
Phenetic classification of organisms is based on
Chromosomes in a bactertial cell can be 1 $$-$$ 3 in number and
Tobacco mosaic virus is a tubular filament of size
Which one of the following statements about viruses is correct?
Viruses are no more ''alive'' than isolated chromosomes because
In which kingdom would you classify the archaea and nitrogen-fixing organisms, i...
Which one of the following pairs of plants are not seed producers?
Sexual reproduction in <i>Spirogyra</i> is an advanced feature because it shows
Plants reproducing by spores such as mosses and ferns are grouped under the gene...
Which one pair of examples will correctly represent the grouping spermatophyta a...
Bartholin's glands are situated
The chief advantage of encystment of an <i>Amoeba</i> is
Systemic heart refers to
<i>Sycon</i> belongs to a group of animals, which are best described as
During the life-cycle, <i>Fasciola hepatica</i> (liver fluke) infects its interm...
Ommatidia serve the purpose of photoreception in
Which one of the following is a matching pair of an animal and a certain phenom...
Given below are four matchings of an animal and its kind of respiratory organ : ...
Juicy hair-like structures observed in the lemon fruit develop from
The major role of minor elements inside living organisms is to act as
Stomata of a plant open due to
Boron in green plants assists in
Gray spots of oat are caused by deficiency of
Which element is located at the centre of the porphyrin ring in chlorophyll?
In sugarcane plant <sup>14</sup>CO<sub>2</sub> is fixed to malic acid, in which...
Stomata of CAM plants
Which one of the following is wrong in relation to photorespiration?
Which fractions of the visible spectrum of solar radiations are primarily absorb...
Which one of the following concerns photophosphorylation?
In alcohol fermentation
In which one of the following do the two names refer to one and same thing?
Plants deficient of element zinc, show its effect on the biosynthesis of plant g...
Differentiation of shoot is controlled by
<i>Nicotiana sylvestris</i> flowers only during long days and <i>N.tabacum</i> f...
Which one of the following pairs is not correctly matched?
During prolonged fastings, in what sequence are the following organic compounds ...
The cardiac pacemaker in a patient fails to function normally. The doctors find ...
Bundle of His is a network of
In the ABO system of blood groups, if both antigens are present but no antibody,...
If Henle's loop were absent from mammalian nephron, which one of the following i...
What used to be described as Nissl's granules in a nerve cell are now identified...
Which one of the following pairs correctly matches a hormone with a disease resu...
In a flowering plant, archesporium gives rise to
During embryonic development, the establishment of polarity along anterior/poste...
Test tube baby means a baby born when
Two opposite forces operate in the growth and development of every population. O...
Which one of the following traits of garden pea studied by Mendel was a recessiv...
The genes controlling the seven pea characters studied by Mendel are now known t...
Two crosses between the same pair of genotypes or phenotypes in which the source...
Pattern baldness, moustaches and beard in human males are examples of : -
In Drosophila, the sex is determined by : -
Down's syndrome is caused by an extra copy of chromosome number 21. What percent...
Which one of the following conditions though harmful in itself, is also a potent...
During transcription, the DNA site at which RNA polymerase binds is called :-
In the genetic code dictionary, how many codons are used to code for all the 20 ...
What does "lac" refer to in what we call the lac operon ?
During translation initiation in prokaryotes, a GTP molecule is needed in : -
What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th co...
Which one of the following triplet codes, is correctly matched with its specific...
Degeneration of a genetic code is attributed to the : -
Convergent evolution is illustrated by : -
Which one of the following sequences was proposed by Darwin and Wallace for orga...
Random genetic drift in a population probably results from
Industrial melanism is an example of : -
In a random mating population in equilibrium, which of the following brings abou...
Darwin in his 'Natural Selection Theory' did not believe in any role of which on...
Which one of the following is categorised under living fossils ?
Which one of the following describes correctly the homologous structures ?
Carcinoma refers to : -
Short-lived immunity acquired from mother to foetus across placenta or through m...
Christmas disease is another name for : -
Which of the following plants are used as green manure in crop fields and in san...
Maximum application of animal cell culture technology today is in the production...
During anaerobic digestion of organic waste, such as in producing biogas, which ...
In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes...
Which one of the following bacteria has found extensive use in genetic engineeri...
ELISA is used to detect viruses, wherethe key reagent is :-
Mycorrhiza is an example of :-
Which group of vertebrates comprises the highest number of endangered species ?
Which endangered animal is the source of the world's finest, lightest, warmest a...
Fluoride pollutions mainly affects : -
Escherichia coli is used as an indicator organism to determine pollution of wate...
The apical meristem of the root is present
In which one of the following nitrogen is not a constituent ?
The aleurone layer in maize grain is specially rich in :-
Chlorenchyma is known to develop in the : -
Diffuse porous wood is characteristics of those plants which are growing in : - ...
The cells of the quiescent centre are characterised by : -
Which one of the following contains the largest quantity of extracellular materi...
Cellular totipotency is demonstrated by :-
Coconut milk factor is

Chemistry

The velocity of Planck's constant is 6.63 $$ \times $$ 10<sup>$$-$$34</sup> J s....
The ions O<sup>2$$-$$</sup>, F<sup>$$-$$</sup>, Na<sup>+</sup>, Mg<sup>2+</sup> ...
Which one of the following statements is not correct for sigma- and pi- bonds fo...
For the reaction, <br>C<sub>3</sub>H<sub>8(g)</sub> + 5O<sub>2(g)</sub> $$ \to ...
The densities of graphite and diamond at 298 K are 2.25 and 3.31 g cm<sup>$$-$$3...
Formation of solution from two components can be considered as <br>(i)&nbsp;Pur...
What is the entropy change (in J K<sup>$$-$$1</sup> mol<sup>$$-$$1</sup>) when o...
For which one of the following equations is $$\Delta $$H<sup>o</sup><sub>react</...
The molar heat capacity of water at constant pressure, C, is 75 J K<sup>$$-$$1</...
The equilibrium constants of the following are <br><br>N<sub>2</sub> + 3H<sub>2<...
Which one of the following statements is not true?
In Haber process 30 litres of dihydrogen and 30 litres of dinitrogen were taken ...
The reaction quotient (Q) for the reaction<br><br> N<sub>2(g)</sub> + 3H<sub>2(g...
The solubility product of AgI at 25<sup>o</sup>C is 1.0 $$ \times $$ 10<sup>$$-$...
Name of the compound given below is <br><img src="https://neetcare-image.cdn.ex...
Which one of the following orders of acid strength is correct ?
The compound <br><img src="https://neetcare-image.cdn.examgoal.net/1qpqahkk8hos...
Which one of the following is a free-radical substitution reaction ?
The correct order of reactivity towards the electrophilic substitution of the co...
Which of the following pairs of compounds are enantiomers?
The oxidation states of sulphur in the anions <br><br>SO3$${_3^{2 - }}$$, S<sub...
The structure of H<sub>2</sub>O<sub>2</sub> is
In this reaction : <br>CH<sub>3</sub>CHO + HCN $$ \to $$ CH<sub>3</sub>CH(OH)CN...
$$A$$ and $$B$$ in the following reactions are : <br><picture><source media="(m...
When $$m$$-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) o...
In a set of the given reactions, acetic acid yielded a product C. <br><picture><...
The final product <i>C</i>, obtained in this reaction <br><picture><source media...
Glycolysis is
Vitamin B<sub>12</sub> contains
Chargaff's rule states that in an organism
Phospholipids are esters of glycerol with
Acrilan is a hard, horny and a high melting material. Which one of the following...
Which one of the following monomers gives the polymer neoprene on polymerization...
The pyknometric density of sodium chloride crystal is 2.165 $$ \times $$ 10<sup>...
The e.m.f. of a Daniell cell at 298 K is E<sub>1</sub>. <br><img src="https://ne...
On the basis of the information available from the reaction, <br><br>4/3Al + O<...
The temperature dependence of rate constant (k) of a chemical reaction is writte...
If the rate of the reaction is equal to the rate constant, the order of the reac...
The reaction A $$ \to $$ B follows first order kinetics. The time taken for 0.8 ...
The activation energy for a simple chemical reaction A $$\rightleftharpoons$$ B ...
According to the adsorption theory of catalysis, the speed of the reaction incre...
Which one of the following compounds is not a protonic acid?
The method of zone refining of metals is based on the principle of
Which one of the following characteristics of the transition metals is associate...
The basic character of the transition metal monoxides follows the order <br>(Ato...
The correct order of ionic radii of Y<sup>3+</sup>, La<sup>3+</sup>, Eu<sup>3+</...
The radioistope, tritium ($${}_1^3$$H) has a half-life of 12.3 years. If the ini...
The number of unpaired electrons in the complex ion [CoF<sub>6</sub>]<sup>3$$-$$...
Among the following which is not the $$\pi $$-bonded organometallic compound?

Physics

If a ball is thrown vertically upwards with speed u, the distance covered during...
A man throws balls with the same speed vertically upwards one after the other at...
The vector sum of two forces is perpendicular to their vector differences. In th...
A particle moves along a circle of radius $$\left( {{{20} \over \pi }} \right)$$...
A man weight 80 kg. He stands on a weighting scale in a lift which is moving up...
A monkey of mass 20 kg is holding a vertical rope. The rope will not break when...
When a long spring is stretched by 2 cm, its potential energy is U. If the sprin...
A stationary particle explodes into two particles of masses m<sub>1</sub> and m<...
A ball rolls without slipping. The radius of gyration of the ball about an axis ...
A stone is tied to a string of length $$l$$ and is whirled in a vertical circle ...
A solid cylinder of mass M and radius R rolls without slipping down an inclined ...
A thin circular ring of mass M and radius r is rotating about its axis with a co...
Two spheres of masses m and M are situated in air and the gravitational force be...
The acceleration due to gravity on the planet A is 9 times the acceleration due ...
A body of mass m is placed on earth's surface which is taken from earth surface ...
Consider a compound slab consisting of two different materials having equal thic...
An ideal gas heat engine operates in a Carnot cycle between 227<sup>o</sup>C and...
Which one of the following statements is true for the speed v and the accelerati...
The potential energy of a simple harmonic oscillator when the particle is half w...
A particle of mass m oscillates with simple harmonic motion between points x<sub...
In case of a forced vibration, the resonance peak becomes very sharp when the
The time period of mass suspended from a spring is T. If the spring is cut into ...
An observer moves towards a stationary source of sound with a speed 1/5<sup>th</...
Three capacitors each of capacity 4 $$\mu $$F are to be connected in such a way ...
A charge q is located at the centre of a cube. The electric flux through any fac...
Two 220 volt, 100 watt bulbs are connected first in series and then in parallel...
Fuse wire is a wire of
In a Wheatstone's bridge all the four arms have equal resistance R. If the resis...
An electric kettle has two heating coils. When one of the coils is connected to ...
A long solenoid carrying a current producess a magnetic field B along its axis. ...
A charged particle moves through a magnetic field in a firection perpendicular t...
A diamagnetic material in a magnetic field moves
According to Curie's law, the magnetic susceptibility of a substance at an absol...
A bar magnet is oscillating in the Earth's magnetic field with a period T. What ...
Which of the following rays are not electromagnetic waves ?
We consider the radiation emitted by the human body. Which one of the following ...
A convex lens is dipped in a liquid whose refractive index is equal to the refra...
An equiconvex lens is cut into two halves along (i) XOX' and (ii) YOY' as sh...
A photoelectric cell is illuminated by a point source of light 1 m away. When th...
J.J. Thomson's cathode-ray tube experiment demonstrated that
An electron is moving round the nucleus of a hydrogen atom in a circular orbit o...
Solar energy is mainly caused due to
The volume occupied by an atom is greater than the volume of the nucleus by a fa...
A sample of radioactive element has a mass of 10 g at an instant t = 0. The appr...
The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass ...
The mass number of a nucleus is
In which of the following systems will the radius of the first orbit (n = 1) be ...
A nuclear reaction given by <br><br><sub>Z</sub>X<sup>A</sup> $$ \to $$ <sub>z+1...
Reverse bias applied to a junction diode
A n-p-n transistor conducts when
If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental ...
Barrier potential of a p-n junction diode does not depened on

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