AIPMT 2009
Paper was held on Sun, May 10, 2009 10:00 AM
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Biology

Phylogenetic system of classification is based on
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Which one is the wrong pairing for the disease and its causal organism?
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Which of the following is a symbiotic nitrogen fixer?
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T.O. Diener discovered a
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Oxygenic photosynthesis occurs in
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Which one of the following is a vascular cryptogam?
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Mannitol is the stored food in
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Which one of the following is considered important in the development of seed habit?
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Which one of the following has haplontic life cycle?
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Which one of the following plants is monoecious?
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If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is
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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
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Which one of the following pairs of animals comprises 'jawless fishes'?
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A fruit developed from hypanthodium inflorescence is called
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Cotyledons and testa respectively are edible parts in
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An examples of a seed with endosperm, perisperm, and caruncle is
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An example of axile placentation is
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The floral formula is that of
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Synapsis occurs between
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Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indica
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Guard cells help in
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Manganese is required in
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Cyclic photophosphorylation results in the formation of
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Stroma in the chloroplasts of higher plant contains
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Aerobic respiratory pathway is appropriately termed
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One of the synthetic auxin is
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Which one of the following acids is a derivative of carotenoids?
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When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one ye
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A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes
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Which one of the following statements is true regarding digestion and absorption of food in humans?
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Which one of the following pairs of food components in humans reaches the stomach totally undigested?
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The haemoglobin of a human foetus
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What is vital capacity of our lungs?
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There is no DNA in
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In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the h
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Compared to blood our lymph has
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Globulins contained in human blood plasma are primarily involved in
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Uric acid is the chief nitrogenous component of the excretory products of
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What will happen if the stretch receptors of the urinary bladder wall are totally removed?
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Elbow joint is an example of
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Which one of the following is the correct matching of three items and their grouping category?
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Which part of human brain is concerned with the regulation of body temperature?
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Alzheimer's disease in humans is associated with the deficiency of
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A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate,
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Vegetative propagation in mint occurs by
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Which one of the following is the correct matching of the events occurring during menstrual cycle ?
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Given below is a diagrammatic sketch for a portion of human male reproductive system. Select the correct set of the name
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Seminal plasma in humans is rich in :
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The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is :
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Foetal ejection reflex in human female is induced by
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Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human
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A change in the amount of yolk and its distribution in the egg will effect :
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Select the incorrect statement from the following :
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Sickle-cell anemia is :
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The genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by
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The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to ha
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Study the pedigree chart given below : What does it show ?
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Semi-conservative replication of DNA was first demonstrated in :
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Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a "triplet" ?
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Removal of introns and joining the exons in a defined order in a transcription unit is called :
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What is not true for genetic code?
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Peripatus is a connecting link between :
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In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in
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Which of following is a pair of viral diseases ?
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Which one of the following statement is correct ?
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Somaclones are obtained by : -
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Polyethylene glycol method is used for :
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Which of the following is not used as a biopesticide ?
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Which one of the following pairs is wrongly matched ?
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Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
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What is true about Bt toxin ?
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Transgenic plants are the ones -
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The bacterium Bacillus thuringiensis is widely used in contemporary biology as -
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What is antisense technology?
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A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of p
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Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of :
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The correct sequence of plants in hydrosere is :
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Which one of the following types organisms occupy more than one trophic level in a pond ecosystem ?
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Which one of the following has maximum genetic diversity in India ?
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Tiger is not a resident in which one of the following National Park ?
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Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by :
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Step taken by the Government of India to control air pollution include :
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Biochemical Oxygen Demand (BOD) in a river water :
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Montreal protocol aims at :
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Chipko movement was launched for the protection of -
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DDT residues are rapidly passed through food chain causing biomagnification because DDT is :
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Palisade parenchyma is absent in leaves of -
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In barley stem vascular bundles are -
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The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is -
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Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :
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The cell junctions called tight, adhering and gap junctions are found in :
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Which one of the following correctly described the location of some body parts in the earthworm Pheretima ?
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The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -
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The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is :
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Which one of the following is correct pairing of a body part and like kind of muscle tissue that moves it ?
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Middle lamella is composed mainly of :
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Plasmodesmata are :
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Cytoskeleton is made up of :
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Chemistry

10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reacti
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Maximum number of electrons in a subshell of an atom is determined by the following
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Which of the following is not permissible arrangement of electrons in an atom ?
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Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy
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What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?
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According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ?
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In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised?
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The energy absorbed by each molecule (A2) of a substance is 4.4 $$ \times $$ 10$$-$$19 J and bond energy per molecule is
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The values of $$\Delta $$H and $$\Delta $$S for the reaction, C(graphite) + CO2(g) $$ \to $$  2CO(g) are 170
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From the following bond energies : H $$-$$ H bond energy   : 431.37 kJ mol$$-$$1 C $$=$$ C bond ene
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The dissociation constants for acetic acid and HCN at 25oC are 1.5 $$ \times $$ 10$$-$$5 and 4.5 $$ \times $$ 10$$-$$
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What is the [OH$$-$$] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)2?
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The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10$$-$$5 at 298 K. Hydrolysis constant of ammonium ch
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Which of the following molecules acts as a Lewis acid?
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The IUPAC name of the compound having the formula CH$$ \equiv $$C$$-$$CH$$=$$CH2 is
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The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon, is in the following sequence
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Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form
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Which of the following compounds will exhibit cis-trans (geometrical) isomerism?
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Which of the following reactions is an example of nucleophilic substitution reaction?
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Consider the following reaction : the product Z is
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HOCH2CH2OH on heating with periodic acid gives
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Consider the following reaction : the product Z is
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Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively
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In the case of alkali metals, the covalent character decreases in the order
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Which of the following oxides is not expected to react with sodium hydroxide?
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Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
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Propionic acid with Br2/P yields a dibromo product. Its structure would be
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Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the mixture, nitric acid
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Predict the product.
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The segment of DNA which acts as the instrumental manual for the synthesis of the protein is
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Which of the following hormones contains iodine?
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Structures of some common polymers are given. Which one is not correctly presented?
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Lithium metal crystallises in a body-centred cubic crystal. If the length of the side of the unit cell of lithium is 351
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Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom
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A 0.0020 m aqueous solution of an ionic compound [Co(NH3)5(NO2)]Cl freezes at $$-$$ 0.00732oC. Number of moles of ions w
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Al2O3 is reduced by electrolysis at low potentials and high currents. If 4.0 $$ \times $$ 104 amperes of current is pass
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The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho
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Given : (i)   Cu2+ + 2e$$-$$ $$ \to $$ Cu,  Eo = 0.337 V (ii)  Cu2+ + e$$-$$ $$ \to $$ Cu
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For the reaction, N2 + 3H2 $$ \to $$ 2NH3, if $${{d\left[ {N{H_3}} \right]} \over {dt}}$$ = 2 $$ \times $$ 10$$-$$4 mol
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In the reaction, BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l). The rate of appearan
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For the reaction A + B $$ \to $$ products, it is observed that (i)  on doubling the initial concentration of A
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Half-life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is
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The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
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The straight chain polymer is formed by
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Among the following which is the strongest oxidising agent?
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Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation st
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Which one of the following is employed as a tranquilizer?
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Which of the following does not show optical isomerism? (en = ethylenediamine)
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Which of the following complex ions is expected to absorb visible light? (At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
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Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species
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Physics

If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be
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A bus is moving with a speed of 10 ms$$-$$1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the
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A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds
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The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is :
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A body, under the action of a force $$\overrightarrow F = 6\widehat i - 8\widehat j + 10\widehat k,$$ acquires an acce
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A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force con
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An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first pa
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A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 1
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An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit le
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A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a
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Two bodies of mass 1 kg and 3 kg have position vectors $$\widehat i + 2\widehat j + \widehat k$$ and $$ - 3\widehat i -
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If $$\overrightarrow F $$ is the force acting on a particle having position vector $$\overrightarrow r $$ and $$\overrig
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Four identical thin rods each of mass M and length $$l$$, form a square frame. Moment of inertia of this frame about an
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The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t1
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A black body at 227oC radiates heat at the rate of 7 cals/cm2s. At a temperature of 727oC, the rate of heat radiated in
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The two ends of a rod of length L and a uniform cross-sectional area A are Kept at two temperatures T1 and T2 (T1 > T
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In thermodynamic processes which of the following statements is not true ?
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The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is
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A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pe
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Which one of the following equations of motion represents simple harmonic motion ? where k, k0, k1 and a are all positi
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Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of bo
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The driver of a car travelling with speed 30 m/s towards a hill sounds a horn of frequency 600 Hz. If the velocity of so
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A wave in a string has an amplitude of 2 cm. The wave travels in the +ve direction of x axis with a speed of 128 m/s. an
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Three concentric spherical shells have radii a, b and c (a < b < c) anf have surface charge densities $$\sigma $$,
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Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown vo
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The electric potential at a point (x, y, z) is given by V = $$-$$x2y $$-$$ xz3 + 4 The electric field at that point is
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See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?
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A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two
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The mean free path of electrons in a metal is 4 $$ \times $$ 10$$-$$8 m. The electric field which can give on an average
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A student measures the terminal potential difference (V) of a cell (of emf $$\varepsilon $$ and internal resistance r) a
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The magnetic force acting on a charged particle of charge $$-$$2 $$\mu $$C in a magnetic frield of 2 T acting in y direc
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A galvanometer havings a coil resistance of 60 $$\Omega $$ shows full scale deflection when a current of 1.0 amp passes
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Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R.
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If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is
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A bar magnet having a magnetic moment of 2 $$ \times $$ 104 J T$$-$$1 is free to rotate in a horizontal plane. A horizon
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A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic
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A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic fie
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Power dissipated in an LCR series circuit connected to an A.C. source of emf $$\varepsilon $$ is
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The electric field part of an electromagnetic wave in a medium is represented by Ex = 0; $${E_y} = 2.5{N \over C}\cos \l
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The number of photo electrons emitted for light of a frequency $$\upsilon $$ (higher than the threshold frequency $${\up
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Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of ph
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The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiat
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In the nuclear decay given below $${}_Z^AX \to {}_{Z + 1}^AY \to {}_{Z - 1}^{A - 4}B{}^ * \to {}_{Z - 1}^{A - 4}B,$$ th
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In a Rutherford scattering experiment when a projectile of charge z1 and mass M1 approaches a target nucleus of charge z
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The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to high
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The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. Th
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The symbolic representation of four logic gates are given below The logic symbols for OR, NOT and NAND gates are respec
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A transistor is operated in common-emitter configuration at VC = 2V such that a change in the base current from 100 $$\m
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A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength
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Sodium has body centred packing. Distance between two nearest atoms is 3.7 $$\mathop A\limits^ \circ $$. The lattice p
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