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AIPMT 2004

Exam Held on Sun May 02 2004 10:00:00 GMT+0000 (Coordinated Universal Time)
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Biology

Which of the following statements is not true for retroviruses?
Viruses that infect bacteria multiply and cause their lysis, are called
Phenetic classification of organisms is based on
A free living nitrogen-fixing cyanobacterium which can also symbiotic associatio...
During replication of a bacterial chromosome DNA synthesis starts from a replic...
Lichens are well known combination of an alga and a fungus where fungus has
Diversification in plant life appeared
Angiosperms have dominated the land flora primarily because of their
In Arthropoda, hend and thorax are often used to form cephalothorax, but in whic...
The animals with bilateral symmetry in young stage, and radial pentamerous symme...
Presence of gills in the tadpole of frog indicates that
Uricotelism is found in
When a fresh-water protozoan possessing a contractile vacuole, is placed in a gl...
One of the following is a very unique feature of the mammalian body
Edible part of mango is
Which one of the following enzymes, is copper necessarily associated as an activ...
In the somatic cell cycle
Which one of the following precedes reformation of the nuclear envelope during M...
If you are provided with root-tips of onion in your class and are asked to count...
If by radiation all nitrogenase enzyme are inactivated, then there will be no
In C<sub>3</sub> plants, the first stable product of photosynthesis during the d...
Plants adapted to low light intensity have
In glycolysis, during oxidation electrons are removed by
Cell elongation in internodal regions of the green plants takes place due to
One set of the plant was grown at 12 hours day and 12 hours night period cycles ...
The richest sources of vitamin B<sub>12</sub> are
Which one of the following pairs is not correctly matched?
Duodenum has characteristics Brunner's gland which secrete two hormones called
Blood analysis of a patient reveals an unusually high quantity of carboxyhaemogl...
When CO<sub>2</sub> concentration in blood increases breathing becomes
You are required to draw blood from a patient and to keep it in a test tube for ...
In the resting state of the neural membrane, diffusion due to concentration grad...
Injury to vagus nerve in humans is not likely to affect
Which one of the following pairs correctly matches a hormone with a disease resu...
Which one of the following hormones is modified amino acid?
Chemically hormones are
In oogamy, fertilization involves
Anthesis is a phenomenon which refers to
When a diploid female plant is crossed with a tetraploid male, the ploidy of end...
An ovule which becomes curved so that the nucellus and embryo sac lie at right a...
Which of the following hormones is not a secretion product of human placenta -
Ovulation in the human female normally takes place during the menstrual cycle - ...
In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is ...
Lack of independent assortment of two genes A and B in fruit fly Drosophila is d...
A male human is heterozygous for autosomal genes A and B and is also hemizygous ...
One of the parents of a cross has a mutation in its mitochondria. In that cross,...
A normal woman, whose father was colour-blind is married to a normal man. The so...
The recessive genes located on X-chromosomes in humans are always-
During transcription, if the nucleotide sequence of the DNA strand that is being...
Which form of RNA has a structure resembling clover leaf ?
After a mutation at a genetic locus the character of an organism changes due to ...
In a mutational event, when adenine is replaced by guanine, it is a case of -
The following ratio is generally constant for a given species :-
Age of fossils in the past was generally determined by radio-carbon method and o...
What kind of evidence suggested that man is more closely related with chimpanzee...
Which one of the following is living fossil ?
Diversification in plant life appeared
According to oparin, which one of the following was not present in the primitive...
Which one of the following is not correctly matched ?
The technique of obtaining large number of plantlets by tissue culture method is...
India's wheat yield revolution in the 1960s was possible primarily due to :-
Dough kept overnight in warm weather becomes soft and spongy because of :-
The most thoroughly studied of the known bacteria-plant interactions is the :-
Which one of the following pairs is not correctly matched ?
Restriction endonucleases :-
In transgenics expression of transgene in target tissue is determined by :-
DNA fingerprinting refers to :-
ELISA is used to detect viruses, wherethe key reagent is :-
The Ti plasmid is often used for making transgenic plants. This plasmid is found...
Certain characteristic demographic features of developing countries are -
What is a keystone species ?
The maximum growth rate occurs in :-
In which of the following pairs is the specific characteristic of a soil not cor...
In which one of the following habitats does the diurnal temperature of soil surf...
Which of the following is expected to have the highest value (gm/m<sup>2</sup>/y...
An ecosystem which can be easily damaged but can recover after some time if dama...
In your opinion, which is the most effective way to conserve the plant diversity...
In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-
Lead concentration in blood is considered alarming if it is -
Common indicator organism of water pollution is :-
In a longitudinal section of a root, starting from the tip upward, the four zone...
Mast cells of connective tissue contain -
In chloroplasts, chlorophyll is present in the :-
The telomeres of eukaryotic chromosomes consist of short sequences of
A major component of gobar gas is

Chemistry

The maximum number of molecules is present in
The frequency of radiation emitted when the electron falls from n = 4 to n = 1 i...
Ionic radii are
In a regular octahedral molecule, MX<sub>6</sub> the number of X $$-$$ M $$-$$ X...
Among the following, the pair in which the two species are not isostructural is ...
H<sub>2</sub>O is dipolar, whereas BeF<sub>2</sub> is not. It is because
In BrF<sub>3</sub> molecule, the lone pairs occupy equatorial positions to minim...
If the bond energies of H $$-$$ H, Br $$-$$ Br, and H $$-$$ Br are 433, 192 and ...
Standard enthalpy and standard entropy changes for the oxidation of ammonia at 2...
Considering entropy (S) as a thermodynamic parameter, the criterion for the spon...
The work done during the expansion of a gas from a volume of 4 dm<sup>3</sup> to...
The solubility product of a sparingly soluble salt AX<sub>2</sub> is 3.2 $$ \tim...
The rapid change of pH near the stoichiometric point of an acid-base titration i...
The molecular formula of diphenyl methane, <br><br><picture><source media="(max-...
The $$-$$ OH group of an alcohol or the $$-$$ COOH group of a carboxylic acid ca...
Using anhydrous AlCl<sub>3</sub> as catalyst, which one of the following reactio...
Reaction of HBr with propene in the presence of peroxide gives
Which of the following is least reactive in a nucleophilic sibstitution reaction...
Which one of the following will not form a yellow precipitate on heating with an...
Which is the best description of the behaviour of bromine in the reaction given ...
A solid compound X on heating gives CO<sub>2</sub> gas and a residue. The residu...
Which one of the following can be oxidised to the corresponding carbonyl compoun...
In a reaction of aniline a coloured product C was obtained. <br><picture><source...
The correct statement in respect of protein haemoglobin is that it
Number of chiral carbons in $$\beta $$-$$D$$-(+) glucose is
A sequence of how many nucleotides in messenger RNA makes a codon for an amino a...
The hormone that helps in the conversion of glucose to glycogen is
The helical structure of protein is stablised by
Which of the following structures represents the peptide chain?
Which one of the following is a chain growth polymer?
A compound formed by elements X and Y crystallises in a cubic structure in which...
The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is fou...
The rate of a first order reaction is 1.5 $$ \times $$ 10<sup>$$-$$2</sup> mol L...
The enzyme which hydrolyses triglycerides to fatty acids and glycerol is called
Which one of the following statements about the zeolite is false?
Among K, Ca, Fe and Zn, the element which can from more than one binary compound...
lanthanoids are
Among the following series of transition metal ions, the one where all metal ion...
Which of the following forms cationic micelles above certain concentration?
Chloropicrin is obtained by the reaction of
The radioactive isotope $${}_{27}^{60}$$Co which is used in the treatment of can...
Considering H<sub>2</sub>O as a weak field ligand, the number of unpaired electr...
Which of the following coordination compounds would exhibit optical isomerism?
Among [Ni(CO)<sub>4</sub>], [Ni(CN)<sub>4</sub>]<sup>2$$-$$</sup>, [NiCl<sub>4</...
CN<sup>$$-$$</sup> is a strong field ligand. This is due to the fact that
In an octahedral structure, the pair of $$d$$ orbitals involved in d<sup>2</sup>...
Which of the following does not have a metal carbon bond?
Which of the following is considered to be an anticancer species?

Physics

The dimensions of universal gravitational constant are
The unit of permittyvity of free space, $${\varepsilon _0}$$, is
If $$\left| {\overrightarrow A \times \overrightarrow B } \right| = \sqrt 3 \ov...
A block of mass m is placed on a smooth wedge of inclination $$\theta $$. The wh...
The coefficient of static friction, $$\mu $$<sub>s</sub>, between block A of mas...
A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet...
A particle of mass m<sub>1</sub> is moving with a velocity v<sub>1</sub> and a...
A mass of 0.5 kg moving with a speed of 1.5 m/s on horizontal smooth surface, co...
Three particles, each of mass m gram, are situated at the vertices of an equilat...
A wheel having moment of inertia 2 kg m<sup>2</sup> about its vertical axis, rot...
Consider a system of two particles having masses m<sub>1</sub> and m<sub>2</sub>...
A round disc of moment of inertia $$I$$<sub>2</sub> about its axis perpendicular...
The ratio of the radii of gyration of a circular disc about a tangential axis in...
The density of a newly discovered planet is twice that of earth. The acceleratio...
If $$\lambda $$<sub>m</sub> denotes the wavelength at which the radioactive am...
The equation of state for 5 g of oxygen at a pressure P and temperature T, when ...
One mole of an ideal gas at an initial temperature of T K does 6R joule of work ...
Two springs of spring constants k<sub>1</sub> and k<sub>2</sub> are joined in se...
A particle executing simple harmonic motion of amplitude 5 cm has maximum speed ...
A car is moving towards a high cliff. The driver sounds a horn of frequency $$f...
The phase difference between two waves. represented by <br>y<sub>1</sub> = 10<su...
A bullet of mass 2 g is having a charge of 2 $$\mu $$C. Through what potential d...
An electric dipole has the magnitude of its charge as q and its dipole moment is...
Five equal resistances each of resistances R are connected as shown in the figur...
when three identical bulbs of 60 watt, 200 volt rating are connected in series t...
A 6 volt battery is connected to the terminals of a three metre long wire of uni...
In India electricity is supplied for domestic use at 220 V. It is supplied at 11...
Resistance n, each of r ohm, when connected in parallel give an equivalent resis...
The electric resistance of a certain wire of iron is R. If its length and radius...
A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 $$ \times $...
To convert a galvanometer into a voltmeter one should connect a
A coil of 40 henry inductance is connected in series with a resistance of 8 ohm ...
The magnetic flux through a circuit of resistance R changes by an amount $$\Delt...
A telescope has an objective lens of 10 cm diameter and is situated at a distanc...
The refractive index of the material of a prism is $$\sqrt 2 $$ and its refracti...
A beam of light composed of red and green ray is incident obliquely at a point o...
According to Einstein's photoelectric equation, the graph between the kinetic en...
If M(A; Z), M<sub>p</sub> and M<sub>n</sub> denote the masses of the nucleus $${...
A nucleus represented by the symbol $${}_Z^AX$$ has
The Bohr model of atoms
If in a nuclear fusion process the masses of the fusing nuclei be m<sub>1</sub> ...
The half life of radian is about 1600 years. Of 100 g of radium existing now, 25...
In semiconductors at a room temperature
The peak voltage in the output of a half wave diode rectifier fed with a sinusoi...
The output of OR gate is 1
Of the diodes shown in the following diagrams, which one is reverse biased ?

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