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(chatquestion)...51 If the chord joining the points where x = p, x = q on the curve y = ax2 + bx +c is parall: to the tangent drawn to the curve at(a, B) then a = 42 1) 2pq 2) Jpg p+q 3) ano P-4 4)

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Vo) l 16 ll 83% 1:39 a LTE1. 00:42:46 Railway Group D -. 43 02:46 +1.0 -0.33 By selling 60 grams of rice, a person loss the cost price of 20 grams of rice. Find his loss percent? 1. 33.33 66.66 3. 50 4. 75 Mark & Next Clear Response Save & Next 2.

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...1) [m|>1 2) m >1 4) \m|<1 3) m>-1 The equation of the common tangent to the curves y = 8x and xy =-1 is 48. 2) y= 2x+1 (e.0) 1) 3y = 9x+2 3) 2y=x+8 4) y = x+2 WET Dr.K.K.R's Gowtham 460 Tangents and Normals

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...a) b) x c) 1Md)- 49) The angle formed by hour needle and the minute needle at 6.30 pm is b) 12 ) 2 d) 5° a) 15° 50) 2401 what is the digit in the ones position. a) 2 b) 4 c) 6 d) 8

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...ORGANISMS AND POPULATIONS detrimental to the other species (host and prev, respectively). is interaction where or The benefitted Iner hand one species is harmed whereas the other is fected. Predation, parasitism and commensalism share a common. meais called commensalism. In amensalism on -haracteristic-the interacting species live closely together. Predation: What would happen to all the energy fixed b autou ophUc orgarismwy plants? You can think of predation as natuies way ururansferring unitu has no animalst to higher trophic levels the energy fixed by plants. When we think of predator and prey, most probably it is the tiger and the der that dilu come to our mind, but a sparrow eating any seed is no less ting plants are categorised

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...O 4G 71% Z 7:06 PM O Instagram zetabiology ZEA BIGAOCY A dn which of Compounds.central metal htom has maximum numbe umpaired the fallouwing electron of @zetabiology (i) [(Nits), J*3 (ii) G(H20)%J+3 (ii En(H0)4]+2 (iVNiCN)] 43 likes zetabiology Answer? @zetabiology #zetabiologytLINK IN BIO more +) ...

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(c) 82 TAIIMS 1996 200 39. Seven resistances each of 52 are connected as JAIIMS 20101 wing through shown in figure. The equivalent resistance between the points A and B is (a) 52 OB (b) 72 25 V (c) 142 (d) 35 2 TAMS 200 JAIMS 20101

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...lotus plants in a es of a population. In earlier chapters you have although an individual organism is the one that has to cope anged environment, it is at the population levelthat natural pperates to evolve the desired traits Population ecology is, an important area of ecology because it links ecology to n genetics and evolution. alation has certain attributes that an individual organism does dividual may have births and deaths, but a population has birth death rates In a population these rates refer to per capita birthsX S, respectively. The rates; hence, expressed is change in numbers or decrease) with respect to members of the population. Here is an in a pond there are 20 lotus plants last year and through n8 new plants are added, taking the current population to 28, te as 8/20 -04 offspring per lotus per vear. If 4 CA0 initflies died during a specified ingthat period

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...the ocean. Among the red) green and brown algae that inhabit the sea, which is likely to be found in the deepest waters? Why? Soil: The nature and properties of soil in different places vary; it is dependent on the climate, the weathering process, whether soil is transpofted or sedimentary and how soil developmént occurred., Various characteristics of the soil such as soil composition, grain size and aggregation determine the percolation and water holding capacity of the soils These characteristics along with parameters such as(pHmineral composition and topography determine to a large extent the vegetation in any area. This in turmđictates the type of animals that can be supported. Similarly, in the aquatic environment, the sediment-characteristics often determine the type of benthic animals that can thrive there. O realised that the abiotic conditions of many habitats may varY ioms living in su 13.1.2 Responses to Abiotic Factors

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(4) L+M N;E =5 KJ 55. For the reactions, following data is given of -200 P Q K, = 1015 exp. T. %3D of -1000 C D K, = 10 exp. %3D fi- Temperature at which k, = k, is %3D (1) 434.22 K (2) 1000 K (3) 2000 K (4) 868.44 K

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...bomple 17.61 A uwire stretched between two rigid supports brates in its fundamental mode with a frequency of 45 Hz. lhe mass of the wire is 3.5 x 10- kg and its linear density is Ex 10- kg-m-3. What is the speed of transverse wave on ing and tension in the wire? 3.5 x 10-2 Mass of wire M. Length of wire = = 0.875m %3D %3D 4 x 10-2 Linear density Fro T. 21 т 4(45) (0.875) (4 × 10-2) = 248.1N Speed of transverse wave, v = fh = f(21)| -1 = 45 x 2 × 0.875=78.75 ms omple 17 63 trument is 50 cm long

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Two moles of oxygen gas undergo a process given by P = where P is pressure and V is 2 1+ volume. What will be rms speed of gas molecules when volume of gas becomes 3 m3? 15 (1) R V10 ms ms-1 15 (3) (4) V10 ms-1 ms 1 4 3

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...an ainting (d) Use of spears as weapon 65 Fossils act as evidences of organic evolution. Which one of these features does not justify the feature of fossils? (a) They are remains of hard parts of life forms that existed in the past. ) They are the remains of decayed and decomposed body parts (c) Fossils present in the lower strata of the earth are older than those present in the upper strata (d) Study of fossils in different sedimentary layers indicates the geological period in which they existed. The wings of a bird and the wings of an insect are 6 (b) Homologous structures and represent convergent evolution ructures and renresent divergent evolution (a) Phylogenetic struetures and represent divergent evolution menters.onli

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...24./ In the given circuit, current / is I-ww 20 V

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...brackets the a) Fill in from the appropriate (Presence, Positive, Aldol Condensation, Increases, Paramagnetic, Six, Less, Cannizzaro, i words blanks word/ by choosing Threshold, More, Negative, square planar, Four, Activation, Diamagnetic, Absence, Decreases, Tetrahedral) (i) (ii) hydrogen atom. is its ability to displace Benzaldehyde undergoes More the of reaction due to the standard potential of a substance, the hydrogen from acids. The complex ion [Ni(CN)4]* has a in nature. (iii) (iv) structure and is In a CaF2 crystal, Ca" ions are present in fcc arrangement. The no. of Ca unit cell is and F" ions in the +2 and energy of a reaction is called a (5) A chemical substance which decreases the catalyst. (v)

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...c) Match the following and rewrite the columns Column A Column B (!) Hinsberg regent Condensation Polymer Monomer of Starch (c) Hydrogen bonding (!!) (a) P glucose (b) Aluminium hydroxide (AI) Hydrogen fluoride (d) Nylon 6 (A) Positively Charged Sol (e) Arsenic oxide (f) Primary Amine (g) BD glucose (h) Tertiary amine (i) Nylon 6, 6

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...88 73 acidlie atiingth erfaursot) esthopmota;par a o oresoe 18 atuingth coscdler cot anidic meta-cresol, parocresal 0-cresol Bueseasing Onder =2

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...34.The current / in the given circuit diagram is 3 2 31.5 2 (2) 8 A (1) 3 A (3) 2 A (4) 4 A

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...40. The acceleration of block A of mass 2 kg is (If horizontal force of 10 N is applied on block B of mass 3 kg, assume all the surfaces are friction less, pulleys and strings are massless) 2 kg 3 kg 10 N (1) 3 m/s? (2) 2 m/s? (3) 4 m/s? (4) 5 m/s?

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Q: A vertiell rod &length e' is moved with const. velocity v towardy east. The vexticle component of iarth mag field B & engle of dip iso The indeuced emf in the rodl is é iae

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(1) 1 mm (2) 0.5 mm (3) 1.2 mm (4) 1.5 mm 60 In the young's double slit experiment the central maxima is observed to be l. If one of the slits is covered, then intensity at the central maxima will 54. become : (1) I/2 (2) 2 (3) I/4 (4) !, 6. 55, Due to effect of interference, floating oil layer in water

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...8: A vertell rod & lergth X' is moved with const. velociby v towardy east. The vexticlecomponent of earth mag- feeld B & engle of dip iso The indeeced emf in the rood is ? 8 E= Blu coto

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(ii) What is the direction of induced current in resistance 'R' ? Magnet L N

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...s because (1) X>X (3) X = X In an interference pattern of two wave fringe width Is B. If the frequency of source is doubled then fringe width will become : A2) X<Xe (4) X+X = 0 mr mv mr mv mr mr 9. (1) B tude of (2) B 3 (4) B (3) 2B 2 Af ratio of amplitude of two interferring source is 3 :5. Then ratio of intensity of maxima and minima in interference pattern will be: 10.

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Illustration 11. Atom A is every element of FCC, atom B is present at every Octahedral void, atom C is prese 3 x2R= 2 25% of Tetrahedral void. Find out the possible molecular formula of the compound ? Atom A is every element of FCC = 4 atoms of A Solution. 3x 2R Atom B is present at every octahedral void = 4 atoms of B 2R B-4 noot Ay ByC2 Atom C is present at 25% of tetrahedral void = 8x- 25 2 atoms of C %3D 100 So, the possible molecular formula is A, B, C, = A, B, C.

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(3) C 7AllS (3) In a face centred cubic arrangement ofA and B atoms where A are present al the corner and B at the(face centres A atoms are missing from 4 corners in each unit cell ? What is the simplest Tormula of the compound? Auxd (4) D Illustration 6. 1. No. of B atoms -6 x-3 No. of A atoms- 4 x Solution. Formula- A B,-AB 82

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...OB Connecting wire (d) If w.r.t. BT

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...OB OB (b) (c) If w.r.t. B1 If w.r.t. BT A0L-THEORY.P65

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Q. As2S3 (yellow precipitate) is soluble in cone. HNO3 as given in unbalanced equation + So? As,S3(s)+ H* + No, → NO + H,0+ Aso Equivalent weight in terms of molar mass M of As2S3 is

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...66. The correct order of rate of dehydration СНОН -CH,ОН ČH, CH, CH,-С-сн, HO OH IV II (2) 1> II > III > IV (4) IV > III > II > I (1) I> IV > II > II (3) IV> II > 1 > II

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...The graph of pressure versus volume of a monoatomic ideal gas is as shown. What is the 9. 9. internal energy of the system in state 1 and the heat given to the system during the process 4 to 1 ? AH-BUt p = 3+6 レ=しRT 2. Pressure (Pa) 6+ nRD W=Pdv -2(3) =D6 sO-hep 4 1+ Volume (m³) 1 2 3 4 5 6 (1) 15, –5 (2) 3, –20 (3) 7, 9 (4) 7, –10

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(dx) dx +2xy+y 0 dx dx 1/e 24. The value of [f(x)dx + [f(x) dx , where f(x) is given as log x equals 1+ x b) -- a) 0 d) 1 25. If f(x) is monotonically increasing and is differentiable on a, B], then B) Jf(x)dkx + f(x)ckx = f(a) a) f(a)- f(B) b) Bf (a)-af (B) c) Bf(B)- af (a) d) fla)+ f(B)

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(a) 4 (c) 1/4 26. In an aqueous solution of volume 500 mL, when the reaction of 2Ag™ (d) 1/9 2+ +Cu Cu²" +2Ag reached 2+ equilibrium the [Cu²"]was x M. When 500 mL of water 2+ is further added, at the equilibrium [Cu²*]will be: (а) 2х М (b) x M (c) between x M and x/2 M (d) less than x/2 M (in mole) need to be added to one litre

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...23. f deflection in the galvanometer is zero, then value of resistance R is 4 2 312 20 VT (1) 3 2 (2) 4 2 (3) 1 2 (4) 2 2 ww-

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...29. Time constant of the R-C circuit shown in figure is -22 2 S2 I'm C = 7 µF LV i5 (2) 11 us (1) 22 us (4) 44 us (3) 33 us

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...The graph of pressure versus volume of a monoatomic ideal gas is as shown. What is the 9. 9. internal energy of the system in state 1 and the heat given to the system during the process 4 to 1 ? AH-BUt p = 3+6 レ=しRT 2. Pressure (Pa) 6+ nRD W=Pdv -2(3) =D6 sO-hep 4 1+ Volume (m³) 1 2 3 4 5 6 (1) 15, –5 (2) 3, –20 (3) 7, 9 (4) 7, –10

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...The graph of pressure versus volume of a monoatomic ideal gas is as shown. What is the 9. 9. internal energy of the system in state 1 and the heat given to the system during the process 4 to 1 ? AH-BUt p = 3+6 レ=しRT 2. Pressure (Pa) 6+ nRD W=Pdv -2(3) =D6 sO-hep 4 1+ Volume (m³) 1 2 3 4 5 6 (1) 15, –5 (2) 3, –20 (3) 7, 9 (4) 7, –10

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...In the figure, the value of resistors to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is R C R R R LunI B R D R. R (b) 379 (a) 19% (d) 299 (c) 17% R. RI R. R.

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...NH, (3) H,N-C HN H,N=C NH, NH, (4) All of these An electric discharge is passed through a mixture containing 50 ml of O,e) and 50 ml of He) 57. The 2(g) volume of the product (H,O) formed at 110°C will be. (Identical conditions of temperature and pressure):- (1) 100 ml (2)50 ml (3) 75 ml (4) 25 ml Incorrect order of ionisation energy is:- 58. (1) Pb (I.E.) > Sn (I.E.) (2) Na* (I.E.) > Mg* (I.E.) (3) Li* (I.E.) < O* (I.E.) (4) Be* (I.E.) < C* (I.E.) Most basic 'N' in following molecule is :- 59. (B) Н NH, 8.0 H. (5) (2) B (3) C (4) D MAJOR TEST FOR TARGET 2 LTS/ Page 14/44 SPACE FOR ROUGH WOR

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...1. Which of the following order is correct ? (1) K* < Ca2+ 10. > K, < P³- < S²- : Ionic size (1) (2) Na+ > Rb (aq) > Cst, (aq) (aq) (aq) Electrical conductance (3) Al" (ag) 2+ > Mg* > Na*po) : Hydrated size (aq) (aq) (4) Ia0) < Br : Ionic mobility (aq) (aq) (aq)

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Tun moles of an ideal monoatomic gas is taken through a cycle ABCA 2P chown in the P-T diagram. During the process AB, pressure and temperature of the gas vary such that PT = constant. If T, = 300 K. C. calculate (a) The work done on the gas in the process AB and The heat absorbed or released by the gas in each of the P. processes. Give answers in terms of the gas constant R. T. (2000) an ideal monoatomic gas, initially at pressure P, and volume V, undergo an beat O at constant volume V2.

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...Question 18 of 20 In the following star circuit diagram (figure), between the points A and H will be the equivalent resistance 72° (a) 1.944 r D rE B r C (b) 0.973 r (c) 0.486 r Н (d) 0.243 r

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...41.Vomit centre present in ? A. Pons B. Medulla C. Cerebrum D. Hypothalamus

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...R/2 14 S/(sin 2x) sin x dx and 1, [f(cos 2x) cosx dx, then I, 1, a) 1 b) v2 c) 3 d) 2

asked Jan 25, 2020 by balaji.thirumalai

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(chatquestion)...(2) Y>1 Wo suuitch 1, Ui: ev°= 2. Sheetch 2,

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...07. The value of Jlcosx- sin x| dx is equal to a) 8/2 b) 2 d) 4/2 c) 4

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...31.3K/s Z Itl 4G VOLTE 2:17 AM 21% e PHYSICS Perfect Attempt + 200 32% students got it right Embiums Q.14/20 00:00:24 1475 Single Choice. An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas? Isobaric Isochoric Isothermal Adiabatic Solution Report an Error Continue

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...of recombinant DNA lP-ii, Q- iv, R- i, S- ii (b) P- ii, Q-i, R- iv, S- ii (c) P-ii, Q-i, R – ii, S- iv (d) P-iv, Q- iii, R- i, S- ii 51 A veterinarian wanted to determine the pedigree of a bear cub born in the zoo. Four adult male bears are considered as possible fathers of the cub. To find out the father of the cub, the veterinarjan seeked help of the DNA fingerprinting technology. The results are shows here S.onlin Cub W X Possible fathers Which male is most likely the father of the cub? (a) W (d) Z Ifrom oukanvotic gene having 1350 bp, the length of initial

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...(a)o (c) O What is the size of microsatellite DNAS used as VNTRS? 47 (a) 0.2 to 2 kb long b0.1 to 20 kb (c) More than 5 kb (d) None of these 48 Which information promises to revolutionize the process of finding chromosomal locations for diseases associated sequence and tracing human history? (a) Variable Number of Tandem Repeat (VNTR) Single Nucleotide Polymorphism (SNPS) (c) Variable Nucleotide Polymorphism (VNPS) (d) Single Number of Tandem Repeats (SNTR) Select the correct combination of statements for DNA fingerprinting:

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...778 3 = 534+3, =537 %3D

asked Jan 24, 2020 by balaji.thirumalai

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