AIPMT 2005
Paper was held on Sun, May 1, 2005 10:00 AM
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Biology

An acromian process is characteristically found in the
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Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because
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Photosynthetic Active Radiation (PAR) has the following range of wavelengths.
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During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?
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The ability of the Venus Flytrap to capture insects is due to
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The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is
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In ornithine cycle, which of the following wastes are removed from the blood?
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A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of
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As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose
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Which of the following pairs is correctly matched?
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Which one of the following is the example of the action of the autonomous nervous system?
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Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neur
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In a man, abducens nerve is injured. Which one of the following functions will be affected?
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In a type of apomixis known as advice embryony, embryos develop directly from the
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Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
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Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and mic
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Grey crescent is the area -
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If mammalian ovum fails to get fertilized, which one of the following is unlikely
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In order to find out the different types of gametes produced by a pea plants having the genotype AaBb, it should be cros
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G-6-P dehydrogenase deficiency is associated with haemolysis of -
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Which one of the following characters is not typical of the class mammalia?
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All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that
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For retting of jute the fermenting microbe used is
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Basophilic prokaryotes
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There exists a close association between the alga and the fungus within a lichen. The fungus
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Auxospores and hormogonia are formed, respectively, by
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Match items in column $${\rm I}$$ with those in column $${\rm I}$$$${\rm I}$$. .tg {border-collapse:collapse;border-sp
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Ectophloic siphonostele is found in
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Top-shaped multiciliate male gametes and the nature seed which bears only one embryo with two cotyledons, are characteri
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In contrast to annelids the platyhelminthes show
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From the following statements select the wrong one
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Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for re
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A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughter an
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Why is vivipary an undesirable character for annual crop plants?
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Which of the following represents the edible part of the fruit of litchi?
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Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these
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The catalytic efficiency of two different enzymes can be compared by the
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Which one of the following statements regarding enzyme inhibition is correct?
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Which of the following is the simplest amino acid?
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Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by
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Carbohydrates, the most abundant biomolescule on earth, are produced by
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At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?
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Bacillus thuringiensis (Bt) strains have been used for designing novel -
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Golden rice is a transgenic crop of the future with the following improved trait -
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Production of a human protein in bacteria by genetic engineering is possible because
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More than 70% of world's fresh water is contained in –
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At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation -
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Which one of the following pairs in mismatched ?
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Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect ex
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Biodiversity Act of India was passed by the Parliament in the year -
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According to IUCN Red List, what is the status of Red Panda (Ailurus fulgens) ?
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The world's highly prized wool yielding 'Pashmina' breed is -
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In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?
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Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cell of the follow
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A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should i
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Chlorophyll in chloroplasts is located in
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Centromere is required for -
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Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
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According to widely accepted "fluid mosaic model" cell membranes are semi-fluid, where lipids and integral proteins can
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The main organelle involved in modification and routing of newly synthesized proteins to their destinations is -
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A women with 47 chromosomes due to three copies of chromosome 21 is characterized by
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De Vries gave his mutation theory on organic evolution while working on -
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A women with 47 chromosomes due to three copies of chromosome 21 is characterized by -
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Haemophilia is more commonly seen in human males than in human females because -
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A woman with normal vision, but whose father was colour bind, marries a colour blind man. Suppose that the fourth child
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Which of the following is not a hereditary disease ?
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E. coli cells with a mustard z gene of the lac operon cannot grow in medium containing only lactose as the source of ene
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Telomerase is an enzyme which is a -
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Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant
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Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain ?
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Protein synthesis in an animal cell occurs -
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Which one of the following makes use of RNA as a template to synthesize DNA -
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During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at th
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One of the most important functions of botanical gardens is that
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Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously f
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There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors o
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Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution ?
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Which of the following is not true for a species ?
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At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygot
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Which of the following is the relatively most accurate method for dating of fossils ?
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Damage to thymus in a child may lead to
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Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?
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Chemistry

Which one of the following orders correctly represents the increasing acid strengths of the given acids?
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The energy of second Bohr orbit of the hydrogen atom is $$-$$328 kJ mol$$-$$1; hence the energy of fourth Bohr orbit wou
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For a first order reaction A $$ \to $$ B the reaction rate a reactant concentration of 0.01 M is found to be 2.0 $$ \tim
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The cell membranes are mainly composed of
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Which functional group participates in disulphide bond formation in proteins?
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The mole fraction of the solute in one molal aqueous solution is
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The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtai
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A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm
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A solution of urea (mol. mass 56 g mol$$-$$1) boils at 100.18oC at the atmospheric pressure. If Kf and Kb for water are
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4.5 g of aluminium (at. mass 27 amu) is deposited at cathode from Al3+ solution by a certain quantity of electric charge
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The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxi
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The rate of reaction between two reactions A and B decreases by a factor of 4 if the concentration of reactant B is doub
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Aniline in a set of reactions yielded a product D. The structure of the product D would be
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Which one of the following oxides is expected to exhibit paramagnetic behaviour?
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Which of the following would have a permanent dipole moment?
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What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S
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More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is
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The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is
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The aqueous solution containing which one of the following ions will be colourless? (Atomic number : Sc = 21, Fe = 26,
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Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of th
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A nuclide of an alkaline earth metal undergoes radioactive decay by emission of the periodic table to which the resultin
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Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?
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Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
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Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
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Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of t
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The correct order in which the O $$-$$ O bond length increases in the following is
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Which of the following molecules has trigonal planar geometry?
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The surface tension of which of the following liquid is maximum ?
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Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ?
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A reaction occurs spontaneously if
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The absolute enthalpy of neutralisation of the reaction : Mg(O)(s) + 2HCl(aq) $$ \to $$ MgCl2(aq) + H2O(l) will be
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H2S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative
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At 25oC, the dissociation constant of a base, BOH, is 1.0 $$ \times $$ 10$$-$$12. The concentration of hydroxyl ions in
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Equilibrium constants K1 and K2 for the following equilibriam: are related as
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Which one of the following pairs represents stereoisomerism?
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Which amongst the following is the most stable carbocation?
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The chirality of the compound
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Names of some compounds are given. Which one is not in IUPAC system?
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The best method for the separation of naphthalene and benzoic acid from their mixture is
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Products of the following reaction :
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Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions ?
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Which one of the following compounds is most acidic?
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The correct sequence of increasing covalent character is represented by
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The major organic product formed from the following reaction : is
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In a set of reactions acetic acid yielded a product D. The structure of D would be
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Electrolytic reduction of nitrobenzene in weakly acidic medium gives
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Physics

In the reaction $${}_1^2$$H + $${}_1^3$$H $$ \to $$ $${}_2^4$$He + $${}_0^1$$n, if the binding energies of $${}_1^2$$ H,
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A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is
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An electron moves in a circular orbit with a uniform speed v. It producess a magnetic field B at the centre of the circl
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A very long straight wire carries a current $$I$$. At the instant when a charge +Q at point P has velocity $$\overrighta
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A coil in the shape of an equilateral triangle of side $$l$$ is suspended between the pole pieces of a permanent magnet
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If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are d
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As a result of change in the magnetic flux linked to the closed loop as shown in the figure, an e.m.f. $$V$$ volt is ind
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In a circuit L, C and R are connected in series with an alternating voltage source of frquency $$f.$$ The current leads
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If $$\lambda $$v, $$\lambda $$x and $$\lambda $$m represent the wavelengths of visible light, X-rays and microwaves resp
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The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 $$\mathop A\limits^ \circ $$ is of the ord
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The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation the
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A photosensitive metallic surface has work function, h$$\upsilon $$0. If photons of energy $$2h{\upsilon _0}$$ fall on t
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For the network shown in the figure the value of the current $$i$$ is
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The total energy of an electron in the first excited state of hydrogen atom is about $$-$$ 3.4 eV. Its kinetic energy in
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In any fission process the ratio mass of fission products mass of parent nucleus is
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Fission of nuclei is possible because the binding energy per nucleon in them
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Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. EA < EB < EC. If $$
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Choose the only false statement from the following.
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Application of a forward bias to a p-n junction
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Zener diode is used for
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Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated b
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Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 $$\mathop A\limits^ \circ $$. The v
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In a p-n junction photo cell, the value of the photo-electromotive force profuced by monochromatic light is proportional
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For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
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A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How h
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The displacement x of a particle varies with time t as x = ae$$-$$at + be$$\beta $$t, where a, b, $$\alpha $$ and $$\bet
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Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpen
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A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone
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If the angle between the vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ is $$\theta $$, the value of the pro
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If a vector $$2\widehat i + 3\widehat j + 8\widehat k$$ is perpendicular to the vector $$4\widehat j - 4\widehat i + \al
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A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s$$-$
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A force F acting on an object varies with distance x as shown here. The force is in N and x in m. The work done by the
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A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle $$\theta $$. The frictional
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The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc
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Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies o
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Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the ac
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Which of the following rods, (given radius r and length $$l$$) each made of the same material and whose ends are maintai
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An ideal gas heat engine operates in Carnot cycle between 227oC and 127oC. It absorbs 6 $$ \times $$ 104 cal of heat at
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Which of the following processes is reversible?
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The circular motion of a particle with constant speed is
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A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2
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A network of four capacitors of capacity equal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are connected to a battery as sho
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As per the diagram a point charge +q is placed at the origin O. Work done in taking another point charge $$-$$Q from th
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Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a cir
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Two batteries, one of emf 18 volts and internal resistance 2 $$\Omega $$ and the other of emf 12 volts and internal resi
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When a wire of uniform cross-section $$a$$ length $$l$$ and resistance R is bent into a complete circle. resistance betw
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The ratio of the dimensions of Planck's constant and that of moment of inertia is the dimensions of
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