AIPMT 2006
Previous Year Questions
Complete AIPMT 2006 question paper — 200 questions across Physics, Chemistry and Biology with detailed solutions and AI explanations.
200
Total
49
Physics
51
Chemistry
100
Biology
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What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
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Pineapple (Ananas) fruit develops from:
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Golden rice is a promising transgenic crop. When released for cultivation, it will help in:
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Parthenocarpic tomato fruits can be produced by:
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How does pruning help in making the hedge dense?
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The 'blue baby' syndrome results from:
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Praying mantis is a good example of:
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Which one of the following statements is correct?
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Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?
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Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
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In which of the following fruits is the edible part the aril?
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Which one of the following amino acids was not found to be synthesized in Miller's experiment?
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Crop plants grown in monoculture are:
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Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:
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The formula for exponential population growth is:
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Which one of the following is not used for construction of ecological pyramids?
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Niche overlap indicates:
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In photosystem-I, the first electron acceptor is:
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Treatment of seed at low temperature under moist conditions to break its dormancy is called:
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Which one of the following is the most suitable medium for culture of Drosophila melanogaster?
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Which one of the following is not included under in situ conservation?
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Which antibiotic inhibits interaction between t-RNA and m-RNA during bacterial protein synthesis?
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Phenotype of an organism is the result of:
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Photochemical smog pollution does not contain:
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Moss peat is used as a packing material for sending flowers and live plants to distant places because:
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A common structural feature of vessel elements and sieve tube elements is:
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The thalloid body of a slime mould (Myxomycetes) is known as:
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In which mode of inheritance do you expect more maternal influence among the offspring?
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What type of placentation is seen in sweet pea?
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Long filamentous threads protruding at the end of a young cob of maize are:
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Conifers differ from grasses in the:
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How many different kinds of gametes will be produced by a plant having the genotype AABbCC?
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In maize, hybrid vigour is exploited by:
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Which of the following statements regarding mitochondrial membrane is not correct?
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Amino acid sequence in protein synthesis is decided by the sequence of:
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How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO₂ and H₂O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?
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An organic substance bound to an enzyme and essential for its activity is called:
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Bowman's glands are found in:
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The bacterium (Clostridium botulinum) that causes botulism is:
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Which one of the following is the correctly matched pair of an endangered animal and a National Park?
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A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from:
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Sulphur is an important nutrient for optimum growth and productivity in:
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Pentamerous, actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit a capsule or berry, are characteristic features of:
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In a moss the sporophyte:
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Curing of tea leaves is brought about by the activity of:
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People living at sea level have around 5 million RBC per cubic millimetre of blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude:
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An important evidence in favour of organic evolution is the occurrence of:
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Which one of the following is not a living fossil?
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Annual migration does not occur in the case of:
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A major breakthrough in the studies of cells came with the development of electron microscope. This is because:
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Which one of the following is a matching set of a phylum and its three examples?
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Metameric segmentation is the characteristic of:
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Which of the following pairs of an animal and a plant represents endangered organisms in India?
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Jurassic period of the Mesozoic era is characterised by:
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What is common about Trypanosoma, Noctiluca, Monocystis and Giardia?
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Which of the following statements regarding cilia is not correct?
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Microbes found to be very useful in genetic engineering are:
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Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? A. Temperature of about 25°C B. Temperature of about 5°C C. Relative humidity of about 5% D. Relative humidity of about 95% E. A shady place F. A brightly illuminated place Choose the answer from the following options :
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Evolutionary history of an organism is known as:
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Which of the following is considered a hot-spot of biodiversity in India?
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During photorespiration the oxygen consuming reaction(s) occur in:
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Which one of the following is an example of polygenic inheritance?
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Which one of the following does not act as a neurotransmitter?
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Sertoli cells are regulated by the pituitary hormone known as:
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A steroid hormone which regulates glucose metabolism is:
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The contractile protein of skeletal muscle involving ATPase activity is:
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Which one of the following is not a second messenger in hormone action?
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In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F₂ generation of the cross RRYY × rryy?
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One gene – one enzyme hypothesis was postulated by:
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One turn of the helix in a B-form DNA is approximately:
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Test cross involves:
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Antiparallel strands of a DNA molecule means that:
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Areolar connective tissue joins:
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Mast cells secrete:
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If a colourblind woman marries a normal-visioned man, their sons will be:
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Cri-du-chat syndrome in humans is caused by:
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Restriction endonuclease:
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Antibodies in our body are complex:
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Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal wastewater into natural surface water is:
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Earthworms are:
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Which of the following is an accumulation and release centre of neurohormones?
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Withdrawal of which of the following hormones is the immediate cause of menstruation?
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Which one of the following statements is incorrect?
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Which one of the following has an open circulatory system?
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Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenolysis?
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The causative agent of mad-cow disease is a:
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The translocation of organic solutes in sieve tube members is supported by:
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Biradial symmetry and lack of cnidoblasts are the characteristics of:
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The arrangement of the nuclei in a normal embryo sac in dicot plants is:
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An enzyme that can stimulate germination of barley seeds is:
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In a cereal grain the single cotyledon of embryo is represented by:
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The majority of carbon dioxide produced by our body cells is transported to the lungs:
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Triticale, the first man-made cereal crop, has been obtained by crossing wheat with:
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In order to obtain virus-free plants through tissue culture the best method is:
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HIV that causes AIDS first starts destroying:
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In which one of the following sets of animals do all the four give birth to young ones?
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Sickle cell anaemia has not been eliminated from the African population because:
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Two common characters found in centipede, cockroach and crab are:
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Both sickle cell anaemia and Huntington's chorea are:
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Angiotensinogen is a protein produced and secreted by:
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In producing chlorine through electrolysis, 100 W power at 125 V is being consumed. How much chlorine per minute is liberated? ECE of chlorine is 0.367 × 10⁻⁶ kg/ C:
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Identify the correct statement for change of Gibbs energy for a system (ΔGₛᵧₛₜₑₘ) at constant temperature and pressure:
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A solution containing 10 g per dm³ of urea (molecular mass = 60 g mol⁻¹) is isotonic with a 5% solution of a non-volatile solute. The molecular mass of this non-volatile solute is:
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A plot of log(x/m) versus log p for the adsorption of a gas on a solid gives a straight line with slope equal to:
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Assume each reaction is carried out in an open container. For which reaction will ΔH = ΔE?
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In a set of reactions, propionic acid yielded a compound D. The structure of D would be:
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During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process are respectively:
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The human body does not produce:
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CsBr crystallises in a body centred cubic lattice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs = 133 and that of Br = 80 amu and Avogadro number being 6.02 × 10²³ mol⁻¹, the density of CsBr is:
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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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Given: The mass of electron is 9.11 × 10⁻³¹ kg and Planck constant is 6.626 × 10⁻³⁴ Js. The uncertainty involved in the measurement of velocity within a distance of 0.1 Å is:
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Copper sulphate dissolves in excess of KCN to give:
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In which of the following pairs are both the ions coloured in aqueous solution? (At. no.: Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
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Al₂O₃ can be converted to anhydrous AlCl₃ by heating:
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The enthalpy and entropy change for the reaction are 30 kJ mol⁻¹ and 105 JK⁻¹ mol⁻¹ respectively. The temperature at which the reaction will be in equilibrium is:
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The appearance of colour in solid alkali metal halides is generally due to:
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The general molecular formula which represents the homologous series of alkanols is:
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If E°Fe²⁺/Fe = -0.441 V and E°Fe³⁺/Fe²⁺ = 0.771 V, the standard emf of the reaction Fe + 2Fe³⁺ → 3Fe²⁺ will be:
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For the reaction 2A + B → 3C + D, which of the following does not express the reaction rate?
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For the reaction CH₄(g) + 2O₂(g) ⇌ CO₂(g) + 2H₂O(l), ΔrH = -170.8 kJ mol⁻¹. Which of the following statements is not true?
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[NH(CH₂)₆NHCO(CH₂)₄CO]ₙ is a:
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A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is:
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Which one of the following is a peptide hormone?
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The major organic product in the reaction CH₃–O–CH(CH₃)₂ + HI → Product is:
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Nucleophilic addition reaction will be most favoured in:
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The enthalpy of combustion of H₂, cyclohexene (C₆H₁₀) and cyclohexane (C₆H₁₂) are -241, -3800 and -3920 kJ mol⁻¹ respectively. Heat of hydrogenation of cyclohexene is:
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Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields:
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Consider the reaction N₂(g) + 3H₂(g) → 2NH₃(g). The equality relationship between (d[NH₃]/dt) and -(d[H₂]/dt) is:
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Which of the following is not chiral?
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[Co(NH₃)₄(NO₂)₂]Cl exhibits:
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[Cr(H₂O)₆]Cl₃ (at. no. of Cr = 24) has a magnetic moment of 3.83 BM. The correct distribution of 3d electrons in the chromium of the complex is:
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1.00 g of a non-electrolyte solute (molar mass 250 g mol⁻¹) was dissolved in 51.2 g of benzene. If the freezing point depression constant, K of benzene is 5.12 K kg mol⁻¹, the freezing point of benzene will be lowered by:
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Which of the following pairs constitutes a buffer?
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The hydrogen ion concentration of a 10⁻⁸ M HCl aqueous solution at 298 K (K = 10⁻¹⁴) is:
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A solution of acetone in ethanol:
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A hypothetical electrochemical cell is shown below: A|A⁺(xM)||B⁺(yM)|B The emf measured is +0.20 V. The cell reaction is:
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Ethylene oxide when treated with Grignard reagent yields:
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During osmosis, flow of water through a semi-permeable membrane is:
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Which of the following is more basic than aniline?
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In which of the following molecules are all the bonds not equal?
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The electronegativity difference between N and F is greater than that between N and H, yet the dipole moment of NH₃ (1.5 D) is larger than that of NF₃ (0.2 D). This is because:
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The correct order of the mobility of the alkali metal ions in aqueous solution is:
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The correct order regarding the electronegativity of hybrid orbitals of carbon is:
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Which of the following species has a linear shape?
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Which of the following is the most basic oxide?
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The orientation of an atomic orbital is governed by:
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Which of the following is not a correct statement?
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The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:
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Which one of the following orders is not in accordance with the property stated against it?
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Which of the following is not isostructural with SiCl₄?
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The IUPAC name of the following compound is:
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In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will:
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A rectangular block of mass m and area of cross-section A floats in a liquid of density ρ. If it is given a small vertical displacement from equilibrium it undergoes oscillation with a time period T. Then:
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A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increased so as to increase its efficiency by 50% of original efficiency?
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When a charged particle moving with velocity is subjected to a magnetic field of induction , the force on it is non-zero. This implies that:
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Two cells, having the same emf, are connected in series through an external resistance R. Cells have internal resistances r₁ and r₂ (r₁ > r₂) respectively. When the circuit is closed, the potential difference across the first cell is zero. The value of R is:
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A black body at 1227°C emits radiations with maximum intensity at a wavelength of 5000 Å. If the temperature of the body is increased by 1000°C, the maximum intensity will be observed at:
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Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil. What is the ratio of potential difference applied across them so that the magnetic field at their centres is the same?
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A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency f. If L is doubled and C is changed to 4C, the frequency will be:
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The binding energy of deuteron is 2.2 MeV and that of ⁴₂He is 28 MeV. If two deuterons are fused to form one ⁴₂He then the energy released is:
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In a radioactive material the activity at time t₁ is R₁ and at a later time t₂, it is R₂. If the decay constant of the material is λ, then:
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Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. According to Bohr's theory, the spectral lines emitted by hydrogen will be:
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The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, the potential energy stored in it is:
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For angles of projection of a projectile at angles (45° − θ) and (45° + θ), the horizontal ranges described by the projectile are in the ratio of:
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A body of mass 3 kg is under a constant force which causes a displacement s in metres given by the relation s = (1/3)t², where t is in seconds. Work done by the force in 2 s is:
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A particle moves along a straight line OX. At a time t (in seconds), the distance x (in metres) of the particle from O is given by x = 40 + 12t − t³. How long would the particle travel before coming to rest?
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The velocity v of a particle at time t is given by v = at + (b/(t + c)), where a, b and c are constants. The dimensions of a, b and c are respectively:
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A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1.5 is placed over the mark. How should the microscope be moved to get the mark in focus again?
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300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Taking g = 10 m/s², work done against friction is:
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A transistor is operated in common emitter configuration at constant collector voltage Vc = 1.5 V such that a change in the base current from 100 μA to 150 μA produces a change in the collector current from 5 mA to 10 mA. The current gain (β) is:
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A forward biased diode is:
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A photo-cell employs photoelectric effect to convert:
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The core of a transformer is laminated because:
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Two coils of self-inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is:
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In a discharge tube ionization of enclosed gas is produced due to collisions between:
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When photons of energy hν fall on an aluminium plate (of work function E₀), photoelectrons of maximum kinetic energy K are ejected. If the frequency of the radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will be:
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The following figure shows a logic gate circuit with two inputs A and B and the output C. The voltage waveforms of A, B and C are shown below. The logic circuit gate is:
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A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series with a condenser of capacitive reactance 25 Ω. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is:
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A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle of 30° with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 s, the average force acting on the wall is:
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The moment of inertia of a uniform circular disc of radius R and mass M about an axis touching the disc at its diameter and normal to the disc is:
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The momentum of a photon of energy 1 MeV in kg m/s will be:
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The radius of germanium (Ge) nucleus is measured to be twice the radius of ⁹₄Be. The number of nucleons in Ge are:
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The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is:
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The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is fve, where ve is its escape velocity from the surface of the earth. The value of f is:
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Two sound waves with wavelengths 5.0 m and 5.5 m respectively each propagate in a gas with velocity 330 m/s. We expect the following number of beats per second:
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Power dissipated across the 8 Ω resistor in the circuit shown here is 2 W. The power dissipated across the 3 Ω resistor is:
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Kirchhoff's first and second laws for electrical circuits are consequences of:
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A transverse wave propagating along the x-axis is represented by y(x,t) = 8.0 sin(0.5πx − 4πt − π/4), where x is in metres and t is in seconds. The speed of the wave is:
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The time of reverberation of a room A is one second. What will be the time (in seconds) of reverberation of a room having all the dimensions double of those of room A?
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Which one of the following statements is true?
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Above Curie temperature:
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A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of lenses. The power in diopters of the combination is:
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An electric dipole of moment is lying along a uniform electric field. The work done in rotating the dipole by 90° is:
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A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates:
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A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 s for every circular lap. The average velocity and average speed for each circular lap respectively are:
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A square surface of side L m is in the plane of the paper. A uniform electric field (V/m) is also in the plane of the paper and is limited only to the lower half of the square surface (see figure). The electric flux in SI units associated with the surface is:
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A tube of length L is filled completely with an incompressible liquid of mass M and closed at both ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity ω. The force exerted by the liquid at the other end is:
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A uniform rod of length l and mass m is free to rotate in a vertical plane about A. The rod is initially in horizontal position and is released. The initial angular acceleration of the rod is: (Moment of inertia of rod about A is (ml²/3))
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The vectors and are such that a: The angle between the two vectors is:
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Two bodies, A (of mass 1 kg) and B (of mass 3 kg), are dropped from heights of 16 m and 25 m respectively. The ratio of the time taken by them to reach the ground is:
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