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NEET Phase II Solved Paper 2016

  • Question 10 :
  • AIII > I > II
  • BI > II > III
  • CII > I > III
  • DIII > II > I
  • Question 17 :
  • A
  • B
  • C
  • D
  • Explanation:

  • Question 26 :
  • Asp2 , sp and sp3
  • Bsp, sp3 and sp2
  • Csp2 , sp3 and sp
  • Dsp, sp2 and sp3
  • Explanation:

  • Question 34 :
  • The correct increasing order of trans-effect of the following species is

  • ACN > Br > C6H5 > NH3
  • BNH3 > CN > Br > C6H5
  • CCN >C6H5 Br >NH3
  • DBr >CN >NH3 > C6H5
  • Explanation:

    Trans effect : The intensity of trans effect depend on increase in rate of substitution of the trans ligand. F <sup>–</sup> < NH<sub>3</sub> < Cl<sup>–</sup> < Br<sup>–</sup> < Ph<sup>–</sup> < CH<sub>3</sub> <sup>–</sup> < CN<sup>–</sup>

  • Question 35 :
  • Which one of the following statements related to lanthanons is incorrect ?

  • ACe (+4) solutions are widely used as oxidizing agent in volumetric analysis.
  • BEuropium shows +2 oxidation state.
  • CThe basicity decreases as the ionic radius decreases from Pr to Lu
  • DAll are correct
  • Explanation:

    Ce<sup>+4</sup> is strong oxidising agent and easily convert into Ce<sup>+3</sup> Eu<sup>+2</sup> exist and behave as reducing agent lanthanons are much more reactive than aluminum. Ln(OH)<sub>3</sub> are basic in nature and as ionic radius decrease, basic nature decreases from Ce to Lu.

  • Question 40 :
  • A2 and 4
  • B3 and 4
  • C2 and 3
  • D2 and 5
  • Explanation:

  • Question 44 :
  • AD-erythrose, D-threose, L-erythrose, L-threose
  • BL-erythrose, L-threose, L-erythrose, D-threose
  • CD-threose, D-erythrose, L-threose, L-erythrose
  • DL-erythrose, L-threose, D-erythrose, D-threose
  • Explanation:

  • Question 45 :
  • A
  • B
  • C
  • D
  • Explanation:

  • Question 54 :
  • Which of the following is correctly matched?

  • AParthenium hysterophorus-Threat to biodiversity
  • BAge pyramid-Biome
  • CAerenchyma-Opuntia
  • DStratification-Population
  • Explanation:

    Stratification :- Structural component of ecosystem (2) Aerenchyma :- Feature of hydrophytes (3) Age pyramid :- Food chain (4) Parthenium hysterophorus :- Exotic species do not that allow the growth of other plants near it.

  • Question 55 :
  • Red List contains data or information on

  • Amarine vertebrates only
  • Ball economically important plants
  • Cplants whose products are in international trade
  • Dthreatened species
  • Explanation:

    Red list of red data bood IUCN (New name WCU) involve threatened species of plants & animals

  • Question 56 :
  • Which one of the following is wrong for fungi?

  • AThey are both unicellular and multicellular.
  • BThey are eukaryotic.
  • CAll fungi possess a purely cellulosic cell wall.
  • DThey are heterotrophic
  • Explanation:

    In fungi, cell wall is usually composed of Chitin. Cellulosic cell wall is found in oomycetes of phycomycetes in fungi.

  • Question 57 :
  • Methanogens belong to

  • ASlime moulds
  • BEubacteria
  • CArchaebacteria
  • DDinoflagellates
  • Explanation:

    Biogas producing, obligate anaerobe, methanogens are type of Archaebacteria.

  • Question 58 :
  • Select the wrong statement.

  • ADiatoms are microscopic and float passively in water.
  • BThe walls of diatoms are easily destructible.
  • C'Diatomaceous earth' is formed by the cell walls of diatoms.
  • DDiatoms are chief producers in the oceans.
  • Explanation:

    The wall of diatoms contain cellulose & Silica. It is called frustule. It is non-degrodable. After death it is deposited at the bottom in water & form diatomous earth.

  • Question 61 :
  • Which one of the following statements is wrong?

  • ALaminaria and Sargassum are used as food
  • BAlgae increase the level of dissolved oxygen in the immediate environment.
  • CAlgin is obtained from red algae, and carrageenan from brown algae.
  • DAgar-agar is obtained from Gelidium. and Gracilaria.
  • Explanation:

    Algin is obtained from Laminaria & Fucus –Brown algae while Carrageenan from chondrus crispes – Red alage

  • Question 62 :
  • The term 'polyadelphous' is related to

  • Acalyx
  • Bgynoecium
  • Candroecium
  • Dcorolla
  • Explanation:

    If filaments of Androecium are joined to form more than two groups but their Anthers separate, it is called polyadelphous Eg :- Citrus.

  • Question 64 :
  • Radial symmetry is found in the flowers of

  • ACassia
  • BBrassica
  • CTrifolium
  • DPisum
  • Explanation:

    Cassia, Trifolium & Pisum have zygomorphic flowers while Brassica has Actinomorphic flowers (Radial symmerty)

  • Question 66 :
  • Cortex is the region found between

  • Aendodermis and vascular bundle
  • Bepidermis and stele
  • Cpericycle and endodermis
  • Dendodermis and pith
  • Explanation:

    Sequence from outside to inside in T.S. of stem is epidermeis, hypodermis, cortex, endodermis, stele (pericycle + vascular tissues + pirh) hence cortex is present between epidermis & stele. 

  • Question 67 :
  • The balloon-shaped structures called tyloses

  • Aare linked to the ascent of sap through xylem vessels
  • Boriginate in the lumen of vessels
  • Ccharacterize the sapwood
  • Dare extensions of xylem parenchyma cells into vessels
  • Question 68 :
  • A non-proteinaceous enzyme is

  • Adeoxyribonuclease
  • Blysozyme
  • CRibozyme
  • Dligase
  • Explanation:

    Ribozyme is non proteinaceous enzyme as it is 23 rRNA acts as a catalyst during protein synthesis

  • Question 69 :
  • Select the mismatch.

  • AMethanogens-Prokaryotes
  • BGas vacuoles-Green bacteria
  • CLarge central vacuoles-Animal cells
  • DProtists-Eukaryotes
  • Explanation:

    Animal cells donot contain large central vacuole, their vacuole is poorely developed or absent.

  • Question 70 :
  • Select the wrong statement.

  • AMycoplasma is a a wall-less microorganism.
  • BBacterial cell wall is made up of peptidoglycan.cj
  • CPili and fimbriae are mainly involved in motility of bacterial cells
  • DCyanobacteria lack flagellated cells
  • Explanation:

    Motility is performed by flagella only in bacterial cells while fibriae provide attachment to base and pili forms conjugation tube during conjugation

  • Question 72 :
  • During cell growth, DNA synthesis takes place in

  • AM phase
  • BS Phase
  • CG1 phase
  • DG2 phase
  • Explanation:

    DNA Polymerase enzyme is synthesized in G1 phase but activates in 'S' phase hence DNA replication takes place in 'S' phase in the presence of DNA polymerase.

  • Question 76 :
  • Phytochrome is a

  • Achromoprotein
  • Bflavoprotein
  • Cglycoprotein
  • Dlipoprotein
  • Explanation:

    Phytochromes are chromoproteins

  • Question 79 :
  • Which one of the following statements is not correct

  • AWater hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.
  • BOffspring produced by the asexual roduction are called clone.
  • CMicroscopic, motile asexual reproductive structures are called zoospores.
  • DIn potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
  • Explanation:

    Plantlet always arise from nodes of stem or modified stem

  • Question 82 :
  • In majority of angiosperms

  • Aa small central cell is present in the embryo sac:
  • Begg has a filiform apparatus
  • Cthere are numerous antipodal cells
  • Dreduction division occurs in the megaspore mother cells
  • Question 88 :
  • A true breeding plant is

  • AAlways homozygous recessive in its genetic constitution
  • BOne that is able to bred on its own
  • CProduced due to cross pollination among unrelated plants
  • Dnear homozygous and produces offsspiring of its kind
  • Question 93 :
  • Interespecific hybridization in the mating of

  • Amore closely related individuals within same breed for 4-6 generations
  • Banimals within same breed without having common ancestors
  • Ctwo different related species
  • Dsuperior males and females of different breeds
  • Question 94 :
  • Which of the following is correct regarding AIDS causative HIV?

  • AHIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase.
  • BHIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase.
  • CHIV does not escape but attacks the acquired immune response.
  • DHIV is unenveloped retrovirus.
  • Explanation:

    HIV attacks helper T cells and not try to hide from them

  • Question 100 :
  • A lake which is rich in organic waste may result in

  • Adrying of the lake due to algal bloom
  • Bincreased population of aquatic organisms due to minerals
  • Cmortality of fish due to lack of oxygen
  • Dincreased population of fish due to lots of nutrients
  • Explanation:

    Lake with large amount of organic waste will increase BOD of water since microbes will use more Dissolved Oxygen to degrade organic matter

  • Question 104 :
  • Choose the correct statement.

  • AAll Pisces have gills covered by an operculum.
  • BAll mammals are viviparous.
  • CAll cyclostomes do not possess jaws and paired fins.
  • DAll reptiles have a three-chambered heart.
  • Question 107 :
  • Smooth muscles are

  • Avoluntary, spindle-shaped, uninucleate
  • Binvoluntary, fusiform, non-striated
  • Cvoluntary, multinucleate, cylindrical
  • Dinvoluntary, cylindrical, striated
  • Question 108 :
  • Oxidative phosphorylation is

  • Aformation of ATP energy released from electrons removed during substrate oxidation
  • Bformation of ATP by transfer of phosphate group from a substrate to ADP.
  • Coxidation of phosphate group in ATP
  • Daddition of phosphate group to ATP
  • Explanation:

    Oxidative phosphorylation occurs when NADH+ + H+ or FADH2 are oxidized and their electron enters in ETC creating proton gradient which finally produce ATP in F0-F1 particle.

  • Question 110 :
  • Which of the following describes the given graph correctly?

  • AExothermic reaction with energy A in absence of enzyme and B in presence of enzyme
  • BEndothermic reaction with energy A in presence of enzyme and B in absence of enzyme
  • CExothermic reaction with energy A in presence of enzyme and B in absence of enzyme
  • DEndothermic reaction with energy A in absence of enzyme and B in presence of enzyme.
  • Question 115 :
  • Choose the correct statement.

  • AReceptors do not produce graded potentials.
  • BNociceptors respond to changes in pressure.
  • CMeissner's corpuscles are thermoreceptors.
  • DPhotoreceptors in the human eye are depolarized during darkness and become hyperpolarized in response to the light stimulus.
  • Explanation:

    Photoreceptors in the human eye are depolarized during darkness and become hyperpolarized in response to the light stimulus.

  • Question 116 :
  • Graves' disease is caused due to

  • Ahypersecretion of adrenal gland
  • Bhyposecretion of thyroid gland
  • Chypersecretion of thyroid gland
  • Dhyposecretion of adrenal gland
  • Question 121 :
  • Serum differs from blood in

  • Alacking antibodies
  • Blacking globulins
  • Clacking albumins
  • Dlacking clotting factors
  • Explanation:

    Blood Plasma–clotting factors =Serum

  • Question 130 :
  • Several hormones like hCG, hPL, estrogen. progesterone are produced by

  • Apituitary
  • Bovary
  • Cplacenta
  • Dfallopian tube
  • Explanation:

    Colour blind man         Normal homozygous women

    X cY                                      XX

    Genotype of son – XY- normal vision

    Son receives Y chromosome from father and X chromosomes from mother

  • Question 132 :
  • Genetic drift operates in

  • Aslow reproductive population
  • Bsmall isolated population
  • Clarge isolated population
  • Dnon-reproductive population
  • Explanation:

    Genetic drift operates in small isolated population

  • Question 151 :
  • A2J
  • B8 J
  • C11 J
  • D5 J
  • Explanation: