2.AIPMT question paper 2010 mains - AIPMT 2013

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Steel – Bessemer processNaOH - Leblanc processAmmonia – Haber process57. Match the compounds given in List-I with theircharacteristic reactions given in List ΙΙ.Ans: (ii) (iii) (i) (iv)62. Examine the figures A, B, C and D. In which oneof the four options allAns:Sol:Seleginella, Equisetum, Salvinia, GinkgoSelaginella, Equisetum and Salvinia arepteridophytes and Ginkgo isgymnospherm.Sol:(a) is a primary amine and it producesbad smell when warmed withalcoholic KOH and CHCl 3(carbylamine reaction)(b) Propyne is a terminal alkyne and itgives white ppt with ammoniacalsilver nitrate(c) is an ester and it undergoes alkalinehydrolysis(d) is a 2° alcohol and it producescloudiness with Lucas reagent inabout 5 minutes63. In eukaryotic cell transcription, RNA splicing andRNA---------Ans:Sol:NucleusSplicing and capping of hnRNA is requiredfor the removal of introns and making thefunctional mRNA.64. The figure given below shows the conversion ofa substrate into product by an enzyme. ------Ans: Transition state, Potential energy,Activation energy without enzyme,Activaton energy with enzyme.58. Some statements about heavy water are -----Ans: (a) and (b)Sol:The graph explains the concept ofactivation energy.Sol:Heavy water is less effective solvent, thanordinary water as its dielectric constant islesser.59. Consider the following relations for emf of aelectrochemicalAns:Sol:(b) and (d)emf of cell = E redn (cathode) − E redn (anode)which is the same asE oxiation(anode) + E redn (cathode) orE oxiation(anode) − E oxidation (cathode)60. Following compounds are given:Ans:(a), (b) and (c)Sol: Compounds containing CH 3CO orCH 3CHOH- groups will give iodoformwhen heated with Ι 2 and NaOH.61. Given below is the diagram of a bacteriophage.In which one of the options --------Ans:Head, sheath, collar, tail fibres65. An elaborate network of filamentousProteinaceous structures--------Ans:CytoskeletonSol: Cytoskeleton helps in motility,maintenance of the shape of the cell andmechanical support.66. In Antirrhinum to plants with p ink flowers werhybridized--------Ans:Sol:RrIn Amtirrhinum, the pink colour results dueto an intermediate genotype is Rr.67. The lac operon consists of --------Ans: One regulatory gene and three structuralgenes.Sol:lac operon means structurally differentgenes involved in a functional events inmany ways.68. A cross in which an organism showing adominant phenotype in crossed--------Sol: Bacteriophage consists head, collar,sheath, end plate with fibres.Ans:Sol:Test crossTest cross is used for finding the genotypeof an organism in doubt.
69. Transport of food material in higher plants takes--------Sol: Pathway of Hatch-Slack scheme ofC 4 – metabolism is shown.Ans:Sol:Sieve elementsSieve elements are the components ofphloem.77. Given below is the diagram of a stomatalapparatus. In which of the --------Ans: Epidermal cell, Subsidiary cell, Stomatalaperture, Guard cell70. Kranz anatomy is one of the characteristics ofthe leaves --------Ans:Sol:SugarcaneKranz anatomy is seen in C 4 plants.71. Consider the following four statements A, B, Cand D and select--------Ans:Sol:(A) and (B)The option B is not correct, because amistake in the representation of ovaryfusion.Sol: Stomatal aperture is surrounded byguards cells, which in turn by subsidiarycells.78. Read the following four statements A, B, C and Dand select the right option having both correctstatements--------Ans:Sol:B and DBoth the statements are correct.79. One of the commonly used plant growthhormone in tea--------Ans:Indole – 3- acetic acid72. Vegetative propagation in Pistia occurs by --------Sol:ΙAA is the derivative of auxin.Ans:Offset80. Root development is promoted by --------Sol:Offset means short internode with andeach node bearing rosette leaves and tuftof roots.73. Which one of the following is manoecious--------Ans:PinusSol: Monoecious means bisexual andhomothallic conditions.Ans:Sol:EthyleneEthylene promotes root growth and roothair formation.81. Examine the figures (A-D) given below andselect the right option out of 1-4, in which--------Ans: Offset, Antheridiophore, Antipodals,Oogonium74. The correct floral formula of soyabean--------Sol:All the diagrams are related to thereproduction.Ans: %O K (5)C 1+2+(2) A (9) + 1 G 1Sol: Soyabean belongs to the Fabaceae family.75. Aestivation of petals in the flower of cotton is--------Ans:Sol:(3) Diagram - refer <strong>question</strong> <strong>paper</strong>.In twisted aestivation, marginal lobes ofsucceeding petals are alternatelyoverlapped.76. Study the pathway given below--------Ans:Fixation, Decarboxylation, Regeneration82. Which of the following representations shows thepyramid of numbers in a forest--------Ans:Sol:BPyramid of number in an ecosystemshows gradual decrease from theproducers to the successive consumers.83. Study the cycle shown below and select theoption which gives correct words--------Ans: Denitrification, Ammonification, Plants,Animals.
Page 1: SOLUTIONS & ANSWERS FOR AIPMT MAINS
Page 4 and 5: 31. For vaporization of water at 1
Page 8 and 9: Sol: Schematic representation of ni
Page 10: 113. A person suffering from a dise

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