# Solved papers for CMC Medical CMC-Medical VELLORE Solved Paper-2013

### done CMC-Medical VELLORE Solved Paper-2013

• question_answer1) Hygens wave theory of light cannot explain

A) photoelectric effect

B) polarisation

C) interference

D) diffraction

View Answer play_arrow
• question_answer2) A truck is moving eastwards with a velocity of 15 m/s. In 10 s, the velocity changes to 15 m/s northwards. Its average acceleration during this time will be

A) $3\sqrt{2}$m/s northwards

B) $\sqrt{2}$m/s northwards

C) $3\text{/}\sqrt{2}$m/s northwards

D) None of the above

View Answer play_arrow
• question_answer3) A body sliding on a smooth inclined plane requires 4 s to reach the bottom starting from rest at the top. Then the time taken to travel one eight the distance starting rest at the top, will be

A) 16 s

B) 4 s

C) $\sqrt{2}\,s$

D) 0.5 s

View Answer play_arrow
• question_answer4) Energy of simple harmonic motion depends on

A) $\frac{1}{{{\omega }^{2}}}$

B) $\omega$

C) $\frac{1}{{{a}^{2}}}$

D) ${{a}^{2}}$

View Answer play_arrow
• question_answer5) If the potential of a capacitor having capacity $6\mu F$is increased from 10 V to 20 V then increase in its energy is

A) $12\times {{10}^{-6}}J$

B) $9\times {{10}^{-4}}J$

C) $4.5\times {{10}^{-6}}J$

D) $2.25\times {{10}^{-6}}J$

View Answer play_arrow
• question_answer6) A bullet of mass 0.1 kg is fired with a speed of 100 m/s. The mass of gun being 50 kg. Then the velocity of recoil become

A) 0.05 m/s

B) 0.5 m/s

C) 0.1 m/s

D) 0.2 m/s

View Answer play_arrow
• question_answer7) The electrical conductivity of earths atmosphere increases with altitudes of

A) reflection of atmosphere

B) accelerator protons

C) measure the voltage

D) measure the charge

View Answer play_arrow
• question_answer8) In an AC circuit, the potential difference across an inductance and resistance connected in series are 16 V and 20 V respectively. Total potential difference across the circuit will be

A) 10.0V

B) 20.6V

C) 25.6V

D) 30.6V

View Answer play_arrow
• question_answer9) If a wire of resistance R is stretched to triple its length, then the new resistance is

A) $9R$

B) $3R$

C) $R/2$

D) $R$

View Answer play_arrow
• question_answer10) Atomic number of nucleus is Z, while its mass number is M, what will be number of neutrons in nucleus?

A) M + Z

B) M - Z

C) M

D) Z

View Answer play_arrow
• question_answer11) The nuclear energy produced in nuclear reactor is used to run

A) AC motor

B) induction generator

C) electric generator

D) DC motor

View Answer play_arrow
• question_answer12) If the phase difference between two points separated by 0.8 in wave of frequency 120 Hz, is 0.5$\pi$then the velocity of the wave is will be

A) 768 Hz

B) 695 Hz

C) 710 Hz

D) 384 Hz

View Answer play_arrow
• question_answer13) A 12 pF capacitor is connected to a 50 V. The electrostatic energy is stored in the capacitor will be

A) $2.5\times {{10}^{-3}}J$

B) $3.5\times {{10}^{-12}}J$

C) $0.5\times {{10}^{-2}}J$

D) $1.5\times {{10}^{-8}}J$

View Answer play_arrow
• question_answer14) Cyclotron is a device which used to

A) measuring the charge

B) measure of the voltage

C) acceleration protons

D) acceleration of electrons

View Answer play_arrow
• question_answer15) The dimensions of potential difference are

A) $[M{{L}^{2}}{{T}^{2}}{{Q}^{-1}}]$

B) $[M{{L}^{2}}{{T}^{2}}{{Q}^{2}}]$

C) $[L{{T}^{2}}Q]$

D) $[{{M}^{2}}L{{T}^{2}}{{Q}^{-1}}]$

View Answer play_arrow
• question_answer16) Light takes ${{t}_{1}}$sec to travel a distance x cm in vacuum and the same light takes ${{t}_{2}}$sec to travel 10 x cm in the medium, critical angle for the corresponding medium is

A) ${{\sin }^{-1}}\left( \frac{10{{t}_{1}}}{{{t}_{2}}} \right)$

B) ${{\sin }^{-1}}\left( \frac{{{t}_{1}}}{10\,{{t}_{2}}} \right)$

C) ${{\sin }^{-1}}\left( \frac{{{t}_{2}}}{10\,{{t}_{1}}} \right)$

D) ${{\sin }^{-1}}\left( \frac{10\,{{t}_{2}}}{{{t}_{1}}} \right)$

View Answer play_arrow
• question_answer17) If the critical angle for total internal reflection from a medium to vacuum is $30{}^\circ ,$ then the velocity of light in the medium will be

A) $3\times {{10}^{8}}m\text{/}s$

B) $2\times {{10}^{8}}m\text{/}s$

C) $1.5\times {{10}^{8}}m\text{/}s$

D) $6\times {{10}^{8}}m\text{/}s$

View Answer play_arrow
• question_answer18) Which one of the following discovered cyclotron?

A) Maxwell

B) Lawrence

C) Levels

D) Bohr

View Answer play_arrow
• question_answer19) A gas initially at $18{}^\circ C$is compressed adiabatically to one eight of its original volume. Then the temperature of the gas after compression is

A) $395.4{}^\circ C$

B) $144{}^\circ C$

C) $887.4{}^\circ C$

D) $18{}^\circ C$

View Answer play_arrow
• question_answer20) A stone is dropped into a lake from a tower of 500 m height. The sound of splash will be heard after

A) 11.5 s

B) 21 s

C) 3.75 s

D) 10 s

View Answer play_arrow
• question_answer21) An aeroplane having a wing space of 35 m files due to north with the speed of 90 m/s given B is $4\times {{10}^{-5}}T.$ The potential difference between the tips of the wings will be

A) 0.013 V

B) 1.26 V

C) 12.6 V

D) 0.126 V

View Answer play_arrow
• question_answer22) A radioactive element has half-life of 3.6 days. In what time will it be left $1/{{32}^{\text{nd}}}$undecayed?

A) 4 days

B) 12 days

C) 18 days

D) 24 days

View Answer play_arrow
• question_answer23) The wavelength associated with an electron accelerated through a potential difference of 100 V is of the order of

A) $1.2\,\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $10.5\,\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $100\,\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $1000\,\overset{\text{o}}{\mathop{\text{A}}}\,$

View Answer play_arrow
• question_answer24) The thermodynamic coordinates of a jar A filled with a gas are p, V and T and another j ar B filled with another gas 2p, V/4 and 2T, where the symbols have their usual meanings. The ratio of the number of molecules of jar A to those of jar B is

A) 4 : 1

B) 2 : 2

C) 1 : 2

D) 1 : 1

View Answer play_arrow
• question_answer25) When the kinetic energy of a body executing SHM is I/3 of the potential energy. The displacement of the body is x per cent of the amplitude, where x is

A) 33

B) 87

C) 67

D) 50

View Answer play_arrow
• question_answer26) In the case of horse is pulling a cart, force that causes the horse to move forward is the force that

A) the horse exerts on the ground

B) the horse exerts on the cart

C) the ground exerts on the horse

D) the cart exerts on the horse

View Answer play_arrow
• question_answer27) If the pressure of a gas contained in a vessel is increased by 0.4%. When heated through $1{}^\circ C,$ the initial temperature had been

A) 2500 K

B) 250 K

C) $250{}^\circ C$

D) $25{}^\circ C$

View Answer play_arrow
• question_answer28) The capacitance of a spherical conductor with radius 1 m is

A) $9\times {{10}^{-9}}F$

B) $1\,\mu F$

C) $2.5\times {{10}^{-10}}F$

D) $1\times {{10}^{-6}}F$

View Answer play_arrow
• question_answer29) Which of the following have higher specific charge?

A) Positron

B) Proton

C) He

D) None of these

View Answer play_arrow
• question_answer30) For an encloses maintained at 1000 K, the maximum radiation occurs at wavelength ${{\lambda }_{m}}$. If the temperature is raised to 2000 K, the peak will shift to

A) $\frac{{{\lambda }_{m}}}{2}$

B) $2{{\lambda }_{m}}$

C) ${{2}^{4}}{{\lambda }_{m}}$

D) ${{2}^{-4}}{{\lambda }_{m}}$

View Answer play_arrow
• question_answer31) A coil of area 5$c{{m}^{2}}$ and of 20 turns is placed in uniform magnetic field of ${{10}^{3}}$T. The normal to the plane of the coil makes an angle of $60{}^\circ$ with the magnetic field. The flux in Maxwell through the coil is

A) $5\times {{10}^{5}}$

B) $5\times {{10}^{4}}$

C) $2\times {{10}^{4}}$

D) $5\times {{10}^{3}}$

View Answer play_arrow
• question_answer32) An electron jumps from the 4th orbits to the 2nd orbit of hydrogen atom. Given the Rydbergs constant$R={{10}^{5}}c{{m}^{-1}},$the frequency in Hz of the emitted radiation will be

A) $\frac{3}{6}\times {{10}^{5}}$

B) $\frac{16}{3}\times {{10}^{15}}$

C) $\frac{9}{16}\times {{10}^{15}}$

D) $\frac{3}{4}\times {{10}^{15}}$

View Answer play_arrow
• question_answer33) The Keplers second law states that the straight line joining the planet to the sun sweeps out equal areas in equal times. The statement is equivalent to saying that

A) total acceleration is zero

B) transverse acceleration is zero

C) longitudinal acceleration is zero

D) radial acceleration is zero

View Answer play_arrow
• question_answer34) A diatomic gas is heated at constant pressure. What fraction of the heat energy is used to increases the internal energy?

A) $\frac{3}{5}$

B) $\frac{3}{7}$

C) $\frac{5}{7}$

D) $\frac{5}{9}$

View Answer play_arrow
• question_answer35) In interference pattern the energy is

A) created at the maximum

B) destroyed at the minimum

C) conserved but redistributed

D) All of the above

View Answer play_arrow
• question_answer36) A lens behaves as a converging lens in air and diverging lens in water. The refractive index of the material of the lens is

A) equal to that of water

B) less than that of water

C) greater than that of water

D) Nothing can be predicted

View Answer play_arrow
• question_answer37) The electron emitted in beta radiation originates from

A) inner orbits of atoms

B) free electron existing in nucleus

C) decay of neutran in the nucleus

D) photon escaping from the nucleus

View Answer play_arrow
• question_answer38) If elements with principal quantum number n > 4 were not allowed in nature than the number of possible elements would be

A) 32

B) 60

C) 10

D) 4

View Answer play_arrow
• question_answer39) The square of resultant of two equal forces is three times their product. Angle between the forces is

A) $\pi$

B) $\pi /2$

C) $\pi /4$

D) $\pi /3$

View Answer play_arrow
• question_answer40) Which of the following is different from others?

A) Wavelength

B) Velocity

C) Frequency

D) Amplitude

View Answer play_arrow
• question_answer41) A capacitor of capacitance C has charge Q and stored energy is W. If the charge is increased to 2Q, the stored energy will be

A) $\frac{W}{4}$

B) $\frac{W}{2}$

C) $2\,W$

D) $4\,W$

View Answer play_arrow
• question_answer42) A cylindrical conductor is placed near another positively charged conductor the net charge acquired by the cylindrical conductor will be

A) positive only

B) negative only

C) zero

D) Either positive or negative

View Answer play_arrow
• question_answer43) A point moves such that its displacement as function of time is given by ${{x}^{2}}={{t}^{2}}+1.$ Its acceleration at time$t$is

A) $\frac{1}{{{x}^{4}}}$

B) $-\frac{t}{{{x}^{2}}}$

C) $\frac{1}{x}-\frac{{{t}^{2}}}{{{x}^{3}}}$

D) $\frac{1}{x}-\frac{t}{{{x}^{2}}}$

View Answer play_arrow
• question_answer44) If the speed of light wave $\frac{2}{3}$ of its present value, the energy released in a given atomic explosion will be decreased by a fraction

A) $\frac{2}{3}$

B) $\frac{4}{9}$

C) $\frac{5}{9}$

D) $\frac{2}{9}$

View Answer play_arrow
• question_answer45) Alcohol is more volatile than water, because

A) its boiling point is lower than water

B) it is an organic liquid

C) its freezing point is lower than water

D) its vapour pressure is 2.5 times greater than water

View Answer play_arrow
• question_answer46) A body has same temperature as that of the surrounding, then

A) it radiates same heat as it absorbs

B) it absorbs more, radiates less heat

C) If radiates more, absorbs less heat

D) it never radiates heat

View Answer play_arrow
• question_answer47) In a transistor configuration$\beta$parameter is

A) ${{I}_{b}}/{{I}_{c}}$

B) ${{I}_{c}}/{{I}_{b}}$

C) ${{I}_{c}}/{{I}_{c}}$

D) ${{I}_{b}}/{{I}_{b}}$

View Answer play_arrow
• question_answer48) The ratio of forward biased to reverse biased resistance for p-n junction diode is

A) ${{10}^{-1}}:1$

B) ${{10}^{-2}}:1$

C) ${{10}^{-3}}:1$

D) ${{10}^{-4}}:1$

View Answer play_arrow
• question_answer49) A water film is made between two 10 cm long straight wire and at a distance of 0.5 cm. If distance between the wire is increased by 1 mm. Then work done will be

A) $9.22\times {{10}^{-6}}J$

B) $1.44\times {{10}^{-5}}J$

C) $2.88\times {{10}^{-5}}J$

D) $5.76\times {{10}^{-5}}J$

View Answer play_arrow
• question_answer50) A capacitor of 20$\mu F$ capacity charged upto 500 V is connected in parallel with another capacitor of 10 aF which is charged upto 200 V. Their common potential is

A) 500V

B) 400V

C) 300V

D) 200V

View Answer play_arrow
• question_answer51) What will happen when a 40 W, 220 V lamp and 100 W, 220 V lamp are connected in series across 40 V supply?

A) 100 W lamp will fuse

B) 40 W lamp will fuse

C) Both lamps will fuse

D) Neither lamp will fuse

View Answer play_arrow
• question_answer52) The displacement of a particle of mass 3 g executing simple harmonic motion is given by Y = 3 sin$(0.2\,t)$in SI units. The kinetic energy of the particle at a points which is at a distance equal to $\frac{1}{3}$ of its amplitude from its mean position is

A) $12\times {{10}^{3}}J$

B) $25\times {{10}^{-3}}J$

C) $0.48\times {{10}^{-3}}J$

D) $0.24\times {{10}^{-3}}J$

View Answer play_arrow
• question_answer53) The radius of gyration of a rod of length L and mass At about an axis perpendicular to its length and passing through a point at a distance L/3 from one if its ends is

A) $\frac{\sqrt{7}}{6}L$

B) $\frac{{{L}^{2}}}{9}$

C) $\frac{L}{3}$

D) $\frac{\sqrt{5}}{3}L$

View Answer play_arrow
• question_answer54) The apparent weight of a person inside a lift is ${{w}_{1}}$when lift moves up with a certain acceleration and is ${{w}_{2}}$when lift moves down with same acceleration. The weight of the person when lift moves up with constant speed is

A) $\frac{{{w}_{1}}+{{w}_{2}}}{2}$

B) $\frac{{{w}_{1}}-{{w}_{2}}}{2}$

C) $2\,{{w}_{1}}$

D) $2\,{{w}_{2}}$

View Answer play_arrow
• question_answer55) The magnitude of magnetic induction for a current carrying toroid of uniform cross-section is

A) uniform over the whole cross-section

B) maximum onthe outer edge

C) maximum on the outer edge.

D) maximum at the centre of cross-section

View Answer play_arrow
• question_answer56) Isogonic lines are those for which

A) declination is the same at all places on the line

B) angle of dip is the same at all place on the line

C) the value of horizontal component of earths magnetic field is the same

D) All of the above

View Answer play_arrow
• question_answer57) Each atom of an iron bar (5 cm x 1 cm x 1 cm) has a magnetic moment $1.8\times {{10}^{-23}}A{{m}^{-2}}$that the density of iron is $7.18\times {{10}^{3}}\,kg/{{m}^{3}},$, atomic weight is 56 and Avogadro number is $6.02\times {{10}^{23}}.$ The magnetic .moment of bar is the state of magnetic saturation will be

A) 4,75 A/m

B) 5.74 A/m

C) 7.54 A/m

D) 75.4 A/m

View Answer play_arrow
• question_answer58) A current of 1A is flowing on the sides of an equilateral triangle of sides $4.5\times {{10}^{-2}}m.$ The magnetic field at the centroid of the triangle is

A) $2\times {{10}^{-5}}T$

B) $4\times {{10}^{-5}}T$

C) $8\times {{10}^{-5}}T$

D) $1.2\times {{10}^{-5}}T$

View Answer play_arrow
• question_answer59) If the equation of transverse wave is$y=5\,\sin 2\pi \left[ \frac{t}{0.04}-\frac{x}{40} \right],$ where distance is in cm and time in second and then the wavelength of the wave is

A) 60 cm

B) 40 cm

C) 35cm

D) 25cm

View Answer play_arrow
• question_answer60) A 700 pF capacitor is charged by a 50 V battery. The electrostatic energy stored by it is

A) $17.0\times {{10}^{-8}}J$

B) $13.5\times {{10}^{-8}}J$

C) $9.5\times {{10}^{-9}}J$

D) $8.7\times {{10}^{-7}}J$

View Answer play_arrow
• question_answer61) When benzene sulphonic acid and p-nitrophenol are treated with $NaHC{{O}_{3}}$ the gases released respectively are

A) $S{{O}_{2}},\,C{{O}_{2}}$

B) $C{{O}_{2}},\,C{{O}_{2}}$

C) $S{{O}_{2}},\,NO$

D) $S{{O}_{2}},\,N{{O}_{2}}$

View Answer play_arrow
• question_answer62) Amongst the following antihistamines, which are antacids? I. Ranitidine II, Cimetidine III. Terfenadine IV. Brompheniramine

A) I and II

B) III only

C) I and III

D) III and IV

View Answer play_arrow
• question_answer63) Which of the following polymers cannot have vinylic monomer units?

A) Acrilan

B) Polystyrene

C) Nylon

D) Teflon

View Answer play_arrow
• question_answer64) Optical rotations of some compounds along with their structures are given below. Which of them have D- configuration?

A) I, II, III

B) II, III

C) l, ll

D) lll

View Answer play_arrow
• question_answer65) Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $[Pd{{({{C}_{6}}{{H}_{5}})}_{2}}{{(SCN)}_{2}}]$and$[Pd({{C}_{6}}{{H}_{5}})\,{{(NCS)}_{2}}]$are

A) linkage isomerism

B) coordination isomerism

C) ionisation isomerism

D) geometrical isomerism

View Answer play_arrow
• question_answer66) Amongst the following, the most stable complex is

A) ${{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}}$

B) ${{[Fe{{(N{{H}_{3}})}_{6}}]}^{3+}}$

C) ${{[Fe{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}$

D) ${{[FeC{{l}_{6}}]}^{3-}}$

View Answer play_arrow
• question_answer67) In a 0.010M solution of oxalic acid, ${{H}_{2}}{{C}_{2}}{{O}_{4}},$ ${{K}_{1}}=5.9\times {{10}^{-2}},$ ${{K}_{{{a}_{2}}}}=6.4\times {{10}^{-5}},$the species present in the lowest concentration is

A) ${{H}_{2}}{{C}_{2}}{{O}_{4}}$

B) ${{H}_{3}}{{O}^{+}}$

C) $HC{{r}_{2}}O_{4}^{-}$

D) $CrO_{4}^{2-}$

View Answer play_arrow
• question_answer68) ${{K}_{a}}$ for HF is $3.5\times {{10}^{-7}}$calculate ${{K}_{b}}$ for the fluoride ion.

A) $3.5\times {{10}^{-4}}$

B) $1.0\times {{10}^{-7}}$

C) $2.85\times {{10}^{-11}}$

D) $1.0\times {{10}^{-14}}$

View Answer play_arrow
• question_answer69) A face centred cubic lattice is made up of two types of atoms A and B, in which A occupies the comer positions and B occupies the face centres. If atom along an axis joining the diagonally opposite comers on a face are removed, the empirical formula of the remaining solid would be

A) ${{A}_{2}}{{B}_{5}}$

B) ${{A}_{3}}{{B}_{7}}$

C) ${{A}_{3}}{{B}_{10}}$

D) ${{A}_{7}}{{B}_{24}}$

View Answer play_arrow
• question_answer70) The normal oxidation potential of zinc referred to the standard hydrogen electrode is 0.76V and that of copper is 0.34V at $25{}^\circ C,$when excess of zinc is added to solution of copper sulphate, zinc displaces copper till equilibrium is reached. What is the ratio of concentration to$Z{{n}^{2+}}$to$C{{u}^{2+}}$ions at equilibrium?

A) $1.69\times {{10}^{37}}:1$

B) $1.243\times {{10}^{22}}:1$

C) $1:1679\times {{10}^{37}}$

D) $1:1.24243\times {{10}^{22}}$

View Answer play_arrow
• question_answer71) For the following metals A, B, C, D react with each other (N.R. = no reaction).

 $A+{{B}^{+}}\to N.\,R$ $;\,\,B+{{C}^{+}}\to N.\,R$ $B+{{D}^{+}}\to {{B}^{+}}+D$ $;\,\,C+{{D}^{+}}\to {{C}^{+}}+D$ $A+C\to {{C}^{+}}+A$ $;\,\,D+{{A}^{+}}\to {{D}^{+}}+A$
What is the order of the metals in increasing reducing strength?

A) $B<D<A<C$

B) $C<B<D<A$

C) $A<D<B<C$

D) $D<C<A<B$

View Answer play_arrow
• question_answer72) Suppose that the electron spin quantum number could have three possible values which of the following atomic numbers would not correspond to a noble gas?

A) 3

B) 15

C) 27

D) 42

View Answer play_arrow
• question_answer73) Calculate the number of revolutions per second made around the nucleus by an electron in the third Bohrs orbit of a hydrogen atom.

A) $2.43\times {{10}^{14}}$

B) $2.43\times {{10}^{15}}$

C) $2.43\times {{10}^{16}}$

D) $2.43\times {{10}^{17}}$

View Answer play_arrow
• question_answer74) Which of the following regarding decay of $A{{l}^{25}}$is not true?

A) It may decay by position emission

B) It may decay by a neutron emission

C) It may decay by electron capture

D) The product nucleus is Mg

View Answer play_arrow
• question_answer75) 2.0 g of benzoic acid dissolved in 25.0g of benzene shows a depression in freezing point equal to 1.62 K. Molal depression constant, ${{K}_{f}}$ of benzene is 4.9 K kg $mo{{l}^{-1}}$, what is the percentage association of the acid if it forms dimer in the solution?

A) 78.2%

B) 82.6%

C) 89.7%

D) 99.2%

View Answer play_arrow
• question_answer76) A gas X at 1 atm is bubbled through a solution containing a mixture of 1$M\,{{Y}^{-}}$ and 1 $M\,{{Z}^{-}}$ions at$25{}^\circ C$. If the reduction potential of $Z>Y>X,$ then

A) $Y$ will oxidise $Z$ but not $Z$

B) $Y$ will oxidise both $X$ and $Z$

C) $Y$ will oxidise $Z$ but

D) $Y$ will reduce both $X$ and $Z$

View Answer play_arrow
• question_answer77) Conductivity of 0.00241 M acetic acid solution is $7.896\times {{10}^{-5}}Sc{{m}^{-1}},$what would be its dissociation constant?

A) $1.85\times {{10}^{-5}}$

B) $32.76\times {{10}^{-5}}$

C) $1.85\times {{10}^{-7}}$

D) $32.76\times {{10}^{-7}}$

View Answer play_arrow
• question_answer78) The rate of a gaseous reaction is given by the expression k[A][B]. If the volume of the reaction vessel is suddenly reduced to $\frac{1}{4}$th of the initial volume, the reaction rate relating to original rate will be

A) $\frac{1}{10}$

B) $\frac{1}{8}$

C) $8$

D) $16$

View Answer play_arrow
• question_answer79) Consider the reaction :$C{{l}_{2}}(aq)+{{H}_{2}}S(aq)\xrightarrow{{}}$$S(s)+2{{H}^{+}}(aq)+2C{{l}^{-}}(aq)$ The rate equation for this reaction is , rate $=k[C{{l}_{2}}]\,[{{H}_{2}}S]$ Which of these mechanisms is consistent with this rate equation? A. $C{{l}_{2}}+{{H}_{2}}S\to {{H}^{+}}+C{{l}^{-}}+C{{l}^{+}}+H{{S}^{-}}$(slow) $C{{l}^{+}}+H{{S}^{-}}\to {{H}^{+}}+C{{l}^{-}}+S$(fast) B. ${{H}_{2}}S\rightleftharpoons {{H}^{+}}+H{{S}^{-}}$ (fast equilibrium); $C{{l}_{2}}+H{{S}^{-}}\to 2C{{l}^{-}}+{{H}^{+}}+S$(slow)

A) Neither A nor B

B) A only

C) B only

D) Both A and B

View Answer play_arrow
• question_answer80) Which of the following phenomenon occurs when a chalk stick is dipped in the ink?

 I. absorption of solvent II. adsorption of coloured substance III. absorption and adsorption both of solvent IV. adsorption of solvent

A) I and II

B) II and III

C) III only

D) IV only

View Answer play_arrow
• question_answer81) $Pb{{O}_{2}}+Pb\xrightarrow{{}}2PbO\,;\,{{\Delta }_{r}}G{}^\circ <0$$Sn{{O}_{2}}+Sn\xrightarrow{{}}2SnO;\,{{\Delta }_{r}}G{}^\circ >0$ Which oxidation states are more characteristic for lead and tin?

A) For lead +4, for tin +2

B) for lead +2 , for tin +4

C) For lead +2, for tin +2

D) For lead +4, for tin +4

View Answer play_arrow
• question_answer82) The structure of $I{{F}_{7}}$is

A) trigonal bipyramid

B) octahedral

C) pentagonal bipyramid

D) square pyramid

View Answer play_arrow
• question_answer83) The correct order of increasing bond angles in the following species is

A) $ClO_{2}^{-}<C{{l}_{2}}O<Cl{{O}_{2}}$

B) $C{{l}_{2}}O<Cl{{O}_{2}}<ClO_{2}^{-}$

C) $Cl{{O}_{2}}<C{{l}_{2}}O<ClO_{2}^{-}$

D) $Cl{{O}_{2}}<ClO_{2}^{-}<ClO$

View Answer play_arrow
• question_answer84) In case of lanthanides, which of the following statements is not correct?

A) All the members exhibit +3 oxidation state

B) Because of similar properties, the separation of lanthanoids is not easy

C) Availability of 4f electrons results in the formation of compounds in +4 state for all the members of the series

D) There is a gradual decrease in the radii of the members with increasing atomic number in the series

View Answer play_arrow
• question_answer85) The acidic, basic or amphoteric nature of$M{{n}_{2}}{{O}_{7}},$${{V}_{2}}{{O}_{5}}$ and$CrO$are respectively

A) acidic, amphoteric, basic

B) acidic, acidic, basic

C) basic, amphoteric acidic

D) acidic, basic, basic

View Answer play_arrow
• question_answer86) The correct order of increasing reactivity of C - X bond towards nucleophile in the following compounds is $\underset{(\text{III})}{\mathop{{{(C{{H}_{3}})}_{3}}C-X}}\,$ $\underset{(\text{IV})}{\mathop{{{(C{{H}_{3}})}_{3}}CH-X}}\,$

A) $I<II<IV<III$

B) $III<II<IV<I$

C) $I<II<III<IV$

D) $III<IV<II<I$

View Answer play_arrow
• question_answer87) Alkyl halides undergoing nucleophilic bimolecular substitution involve

A) formation of carbocation

B) racemic mixture

C) inversion of configuration

D) retention of configuration

View Answer play_arrow
• question_answer88) Arrange these compounds in order of increasing${{S}_{N}}1$reaction rate

A) $IV<II<III<I$

B) $I<II<III<IV$

C) $IV<I<III<II$

D) $IV<I<II<III$

View Answer play_arrow
• question_answer89) $C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-Br+C{{H}_{3}}C{{H}_{2}}OH\xrightarrow{C{{H}_{3}}C{{H}_{2}}OH}A\,(major)$$\xrightarrow[C{{H}_{3}}C{{H}_{2}}OH]{C{{H}_{3}}C{{H}_{2}}ONa}\,B\,(major)$ Possible products can be\begin{align} & C{{H}_{3}}\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{CO}}}\,}}}\,C{{H}_{2}}C{{H}_{3}}\,\,\,\,C{{H}_{3}}-\underset{C{{H}_{2}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\, \\ & \,\,\,\,\,\,\,\,\,\,\,\begin{matrix} I & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,II \\ \end{matrix} \\ \end{align}A and 5 can be respectively

A) I, II

B) II, I

C) II in both cases

D) I in both cases

View Answer play_arrow
• question_answer90) Consider the following reaction, Which response contains all the correct statements about this process?

 (I) Dehydration (II) Carbon skeleton migration (III) ${{E}_{2}}$mechanism (IV) Most stable carbocation is formed.

A) I, III

B) I, II, III

C) I, II, IV

D) I, III, IV

View Answer play_arrow
• question_answer91) Scheme I; Mg / Ether / ${{D}_{2}}O$ Scheme II; CaO / NaOD (soda lime) Which is used to replace Br by D in bromocyclohexane?

A) I

B) II

C) Both I and II

D) None of the above

View Answer play_arrow
• question_answer92)

A)

B)

C)

D)

View Answer play_arrow
• question_answer93) Identify a reagent from the following list which can be easily distinguish between 1-butane and 2-butyne.

A) Bromine, $CC{{l}_{4}}$

B) Hg Lindlars catalyst

C) Dilute ${{H}_{2}}S{{O}_{4}},\,HgS{{O}_{4}}$

D) Ammoniacal $C{{u}_{2}}C{{l}_{2}}$solution

View Answer play_arrow
• question_answer94)

A) $C{{H}_{3}}\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,C{{H}_{2}}OH$

B) $C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH$

C) $C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-OH$

D) No reaction

View Answer play_arrow
• question_answer95) $C{{H}_{2}}=CH\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,C{{H}_{2}}C{{H}_{2}}OH\xrightarrow[{}]{Mn{{O}_{2}}}A,\,A\,\,\text{is}$

A) $C{{H}_{2}}=CHCOC{{H}_{2}}C{{H}_{2}}OH$

B) $C{{H}_{2}}=CH-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,C{{H}_{2}}CHO$

C) $C{{H}_{2}}=CHCOC{{H}_{2}}CHO$

D) $C{{H}_{2}}=CHCOC{{H}_{2}}COOH$

View Answer play_arrow
• question_answer96) $C{{H}_{3}}\overset{O}{\mathop{\overset{|\,|}{\mathop{C}}\,}}\,C{{H}_{2}}C\equiv CH\xrightarrow{HOOH}\xrightarrow{NaN{{H}_{2}}/C{{H}_{3}}I}$$\xrightarrow{{{H}^{+}}}A,\,\,A\,\,\text{is}$

A) $C{{H}_{3}}COC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}$

B) $C{{H}_{2}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{2}}C{{H}_{3}}$

C) $C{{H}_{3}}COC{{H}_{2}}C\equiv CC{{H}_{3}}$

D) $C{{H}_{3}}COC{{H}_{2}}HC\equiv CHC{{H}_{3}}$

View Answer play_arrow
• question_answer97) How will you convert butan-2-one to propanoic acid?

A) Tollens reagent

B) Fehlings solution

C) $NaOH/{{I}_{2}}/{{H}^{+}}$

D) $NaOH/NaI/{{H}^{+}}$

View Answer play_arrow
• question_answer98) The smallest ketone and its next homologue are reacted with $N{{H}_{2}}OH$to form oxime

A) two different oximes are formed

B) three different oximes are formed

C) two oximes are optically active

D) all oximes are optically active

View Answer play_arrow
• question_answer99) Which of the following has the highest value of energy gap?

A) Aluminium

B) Silver

C) Germanium

D) Diamond

View Answer play_arrow
• question_answer100) $x$grams of water is mixed in 69 g ethanol. Mole fraction of ethanol in the resultant solution is 0.6. What is the value of$x$in grams?

A) 54

B) 36

C) 18

D) 9

View Answer play_arrow
• question_answer101) Blood cells will remain as such in

A) hypertonic solution

B) hypotonic solution

C) isotonic solution

D) None of the above

View Answer play_arrow
• question_answer102) Number of atoms of He in 100 u of He (atomic weight of He = 4u) are

A) 25

B) 50

C) 100

D) $100\times 6\times {{10}^{-23}}$

View Answer play_arrow
• question_answer103) 4.5 g of a metallic chloride contains 35.5 g of chlorine, the equivalent weight of the metal is

A) 19.5

B) 35.5

C) 39

D) 78.0

View Answer play_arrow
• question_answer104) Benzene diazoinum chloride on reaction with phenol in weakly basic medium gives

A) diphenyl ether

B) p-hydroxy azo benzene

C) chloro benzene

D) benzene

View Answer play_arrow
• question_answer105) $CHC{{l}_{3}}+{{C}_{6}}{{H}_{5}}N{{H}_{2}}+3NaOH\xrightarrow[{}]{{}}A+3B+3C$In the above reaction, the product A is

A) chlorobenzene

B) phenyl isocyanide

C) phenyl cyanide

D) phenyl chloride

View Answer play_arrow
• question_answer106) Complete hydrolysis of cellulose gives

A) D- fructose

B) D- ribose

C) D- glucose

D) L- glucose

View Answer play_arrow
• question_answer107) Vitamin ${{B}_{6}}$is known as

A) pyridoxin

B) thiamine

C) tocopherol

D) riboflavin

View Answer play_arrow
• question_answer108) The drug is used as

A) vasodilator

B) antacid

C) analgesics

D) antiseptic

View Answer play_arrow
• question_answer109) ${{H}_{2}}O$is dipolar, whereas $Be{{F}_{2}}$is not. It is because

A) the electronegativity of F is greater than that of O

B) ${{H}_{2}}O$involves hydrogen bonding whereas $Be{{F}_{2}}$is a discrete molecule

C) ${{H}_{2}}O$is linear and $Be{{F}_{2}}$ is angular

D) ${{H}_{2}}O$is angular and $Be{{F}_{2}}$is linear

View Answer play_arrow
• question_answer110) Among the following the paramagnetic compound is

A) $N{{a}_{2}}{{O}_{2}}$

B) ${{O}_{3}}$

C) ${{N}_{2}}O$

D) $K{{O}_{2}}$

View Answer play_arrow
• question_answer111) Hydration of different ions in aqueous solution is an example of

A) ion induced dipole interaction

B) dipole-dipole interaction

C) dipole-induced dipole interaction

D) ion-dipole interaction

View Answer play_arrow
• question_answer112) Generally, IE, increases along a period But there are some exceptions. One which is not an exception is

A) N and O

B) Na and Mg

C) Mg and AI

D) Be and B

View Answer play_arrow
• question_answer113) The electron affinity values (in kJ$mo{{l}^{-1}}$) of three halogens X, Y, Z are respectively -349, -333 and -325. Then X, Y and Z respectively are

A) ${{F}_{2}},\,C{{l}_{2}}$and$B{{r}_{2}}$

B) $C{{l}_{2}},\,{{F}_{2}}$and$B{{r}_{2}}$

C) $C{{l}_{2}},\,B{{r}_{2}}$and${{F}_{2}}$

D) $B{{r}_{2}},\,C{{l}_{2}}$and${{F}_{2}}$

View Answer play_arrow
• question_answer114) According to the kinetic theory of gases, in an ideal gas, between two successive collisions a gas molecule travels

A) in a circular path

B) in a wavy path

C) in a straight line path

D) with an accelerated velocity

View Answer play_arrow
• question_answer115) Root mean square speed of${{N}_{2}}(g)$in air is $515\,m{{s}^{-1}}.$ What is the average speed of He gas in the same air?

A) $536.8\,m{{s}^{-1}}$

B) $839.2\,m{{s}^{-1}}$

C) $1245.5\,m{{s}^{-1}}$

D) $1255.3\,m{{s}^{-1}}$

View Answer play_arrow
• question_answer116) Photochemical dissociation produces a normal oxygen atom and a oxygen atom 2.5 eV more energetic than normal one. Also the average bond energy of ${{O}_{2}}$ into normal oxygen is 498 kJ$mo{{l}^{-1}}$. Determine the longest wavelength required for photochemical decomposition of${{O}_{2}}$.

A) 126 nm

B) 175 nm

C) 190 nm

D) 205 nm

View Answer play_arrow
• question_answer117) If $l=3,$what can be said about$n?$

A) n must be less than 3

B) n must be equal to 3

C) n must be greater than 3

D) n must be equal to 4

View Answer play_arrow
• question_answer118) ${{H}_{2}}(g)+2NO\,(g)\rightleftharpoons {{N}_{2}}O(g)+{{H}_{2}}O\,(g)\,;$${{K}_{c}}=1.4\times {{10}^{5}}$at $25{}^\circ C$ If the reaction mixture contains 0.05 M${{H}_{2}}(g),$$0.02\,M\,NO\,(g),$$5.4\,M\,{{N}_{2}}O\,(g)$ and $8.7\,M{{H}_{2}}O\,(g)$ at some particular moment in time then we accurately predict that

A) the reaction is very close to equilibrium

B) the raction is very far to equilibrium

C) the reaction is at equilibrium

D) both the${{H}_{2}}(g)$and$NO(g)$concentration must increase significantly to reach equilibrium

View Answer play_arrow
• question_answer119) A cone. aq. solution of ${{H}_{2}}S{{O}_{4}}$ is 86% by mass and has a density of 1.78 g $m{{L}^{-1}}$. 50 mL of this solution is diluted to 1 L with water. What is the ${{H}^{+}}$ion concentration of the dilute solution in mol${{L}^{-1}}$?

A) 0.15

B) 0.51

C) 0.78

D) 1.56

View Answer play_arrow
• question_answer120) A certain process releases 64.0 kJ of heat which is transferred to the surroundings at a constant pressure and a constant temperature of 300 K. For this process$\Delta {{S}_{surr}}$is

A) $64.0\text{ }KJ$

B) $-\,64.0\text{ }KJ$

C) $-\,213\,J{{K}^{-1}}$

D) $213\,J{{K}^{-1}}$

View Answer play_arrow
• question_answer121) Iodine is obtained from the members of

A) green algae

B) brown algae

C) red algae

D) blue-green algae

View Answer play_arrow
• question_answer122) If large quantities of domestic sewage are continuously emptied into a small stream, it leads to

A) algal bloom

B) eutrophication

C) increase in temperature

D) None of these

View Answer play_arrow
• question_answer123) Which of the following planets is called twin of the earth

A) Mars

B) Pluto

C) Venus

D) Mercury

View Answer play_arrow
• question_answer124) In which one of following would you except to find glyoxysomes?

A) Endosperm of wheat

B) Endosperm of castor

C) Palisade cells in leaf

D) Root hair

View Answer play_arrow
• question_answer125) Vaccines prepeared through recombinant DNA technology are called

A) First generation vaccines

B) 2nd generation vaccine

C) 3rd generation vaccine

D) None of above

View Answer play_arrow
• question_answer126) Continued exposure of vinyl chloride may cause cances of the

A) Liver

B) WBCs

C) Lymphoid tissue

D) Spleen

View Answer play_arrow
• question_answer127) Miracidium larva occurs in the life history of

A) roundworm

B) liver fluke

C) earthworm

D) tapeworm

View Answer play_arrow
• question_answer128) Male Ascaris is differentiable from female Ascaris in

A) presence of post-anal papillae

B) presence of pre-anal papillae

C) presence of penial setae

D) All of the above

View Answer play_arrow
• question_answer129) Penetrant, valvent and glutinant are type of

A) nematocyst of Hydra

B) tentacles of Hydra

C) zooids of Obelia

D) tentacles of Obelia

View Answer play_arrow
• question_answer130) Which of the following enzyme is used in PCR (Polymerase Chain Reaction)?

A) Taq polymerase

B) Vent polymerase

C) Both (a) and (b)

D) None of these

View Answer play_arrow
• question_answer131) A woman with straight hair marries with a man with curly hair and who is known to be heterozygous for the trait. What is the chance that their first child will have curly hair?

A) No change

B) One in two

C) It is certain

D) One in four

View Answer play_arrow
• question_answer132) Which of the following are required in minimum amount by human?

A) Iron, iodine, carbon, $Mn,\,Cu,\,{{O}_{2}}$

B) Iron, iodine,$Mn,\,\,Cu,\,\,Zn,$fluorine

C) Iron, iodine, $Mn,\,\,Zn,$hydrogen

D) $N,\,\,{{O}_{2}},\,\,Zn,$fluorine

View Answer play_arrow
• question_answer133) Which of the following nerve of man is both sensory and motor?

A) Olfactory

B) Trigeminal

C) Optic

D) Auditory

View Answer play_arrow
• question_answer134) Highest number of antibiotics are produced by

A) Bacillus

B) Penicillium.

C) Streptomyces

D) Grise of ulvin

View Answer play_arrow
• question_answer135) Nurse tissue technique is applied in

A) pollen culture

B) embryo culture

C) ovule culture

D) ovary culture

View Answer play_arrow
• question_answer136) The reflectivity percentage of incident light on earth is meteorologically called as

A) Albedo

B) Tornado

C) Refraction

D) Reradiation

View Answer play_arrow
• question_answer137) Eusthenopteron connects

A) reptiles and birds

B) birds and mammals

C) fishes and amphibians

D) amphibians and reptiles

View Answer play_arrow
• question_answer138) The numbers of stomata and epidermal cells in 1 $m{{m}^{2}}$ leaf area of lower epidermis of leaves of X, Y and Z plants are given below. Arrange the plants in decreasing order of their stomatal index.

 Cell Number of Stomata No. of epidermal Cells X 30 150 Y 60 240 Z 90 400
The correct answer is

A) X Y Z

B) Y Z X

C) Z Y X

D) Y X Z

View Answer play_arrow
• question_answer139) Which one of the following components of ecosystem comes from outside?

A) Energy

B) Oxygen

C) Insects

D) Temperature

View Answer play_arrow
• question_answer140) The genome of Caenorhabiditis elgans consist of

A) 3 billion bp (base pair) and 30000 genes

B) 12 million bp and 6000 genes

C) 4.7 million bp and 4000 genes

D) 97 million bp and 13000 genes

View Answer play_arrow
• question_answer141) Dermatogen, periblem and plerome are

A) permanent tissues

B) meristematic tissues

C) intercalary tissues

D) secondary tissue .

View Answer play_arrow
• question_answer142) Which one is viral disease in silkworm?

A) Flacherie

B) Maggot disease

C) Muscardine

D) Pebrine diseases

View Answer play_arrow
• question_answer143) Which one is correct sequence of following events as per their discovery?

 I. Formulation of the chromosome theory of inheritence. II. Experiments which proved that DNA is the genetic material. III. Mendels law of inheritance.

A) I, III and II

B) I, II and III

C) III, I and II

D) II, I and III

View Answer play_arrow
• question_answer144) Which of the following has more imbibition power?

A) Cellulose

B) Hemicellulose

C) Fat

D) Protein

View Answer play_arrow
• question_answer145) The structural and functional unit of the striated muscle fibre is called

A) sarcolemma

B) sarcomere

C) sarcoplasm

D) myofibril

View Answer play_arrow
• question_answer146) The fossils record of placoderms is found in the era

A) Mesozoic

B) Coenozoic

C) Archaeozoic

D) Palaeozoic

View Answer play_arrow
• question_answer147) An examples of gene silencing is

A) Bt cotton

B) trangenic rice

C) Flavr savr tomato

D) transgenic maize

View Answer play_arrow
• question_answer148) How many number of reducing powers are required to synthesise one molecule of glyceraldehyde phosphate?

A) 9 ATP and 6 NADPH

B) 3ATP and 3 NADPH

C) 6 ATP and 6 NADPH

D) 9 ATP and 36 NADPH

View Answer play_arrow
• question_answer149) Who purposed the central dogma?

A) Francis Crick

B) William Klug

C) Beadle and Tatum

D) Watson and Crick

View Answer play_arrow
• question_answer150) Which of the following disease is non-cancerous?

A) BPH

B) Hepatitis-B virus

C) Carcinoma of testis

D) Melanoma

View Answer play_arrow
• question_answer151) Fragile X syndrome is characterised by

A) excessive bleeding

B) colour blindness

C) paralysis of a limb

D) mental retardation and abnormal facial appearance with large ears and long face

View Answer play_arrow
• question_answer152) Where can we study mitosis?

A) Brain

B) Legs

C) Nail base

D) Kidney

View Answer play_arrow
• question_answer153) The type of joints between the human skull bones is called

A) cartilaginous joint

B) hinge joint

C) fibrous joint

D) synovial joint

View Answer play_arrow
• question_answer154) Somatostatin is a hormone secreted by hypothalamus. It inhibits the excretion of

A) thyroxine

B) GH (Growth Hormone)

C) vasopressin

D) ACTH

View Answer play_arrow
• question_answer155) Natural selection favours the leaf butterfly because it shows

A) counter shading

B) batesian mimicry

C) mullerian mimicry

D) protective resemblance

View Answer play_arrow
• question_answer156) The portion of the endometrium that covers the embryo and is located between the embryo and uterine cavity is the

A) deidua basalis

B) decidua umbilicus

C) decidua capsularis

D) decidua functionalis

View Answer play_arrow
• question_answer157) Duration of complete cardiac diastable is

A) 0.1 sec

B) 0.4 sec

C) 0.3 sec

D) 0.5 sec

View Answer play_arrow
• question_answer158) Which of the following is not the main function of lymph glands.

A) Basophil

B) Neutrophil

C) Lymphocyte

D) Eosinophil

View Answer play_arrow
• question_answer159) Which is not connected with ficory of agening?

A) Wear and tear

B) Neurohormonal

C) Epimorphosis

D) Metabolic rate

View Answer play_arrow
• question_answer160) Auxetic growth is seen in

A) rotifers

B) nematodes

C) funicates

D) All of these

View Answer play_arrow
• question_answer161) Biolistic technique is used in

A) tissue culture process

B) gene transfer process

C) hybridisation process

D) germplasm conservation process

View Answer play_arrow
• question_answer162) Which of the following is correctly matched?

A) Iron age -Present age.

B) Bronze age - Age of agriculture, use of cloths and utensile

C) Mesolithic age - Age of tools stones and bones

D) Palaeolithic age-Age of animal husbandry language reading and write

View Answer play_arrow
• question_answer163) Which of the following virus spreaded through blood?

A) Hepatitis-A virus

B) Hepatitis-B virus

C) Hepatitis-E virus

D) Both (a) and (b)

View Answer play_arrow
• question_answer164) A higher dose of alcohol may leads to

A) $C{{H}_{3}}CHO$accumulation in liver

B) lowering of glucose level in blood

C) causes gastritis

D) All of the above

View Answer play_arrow
• question_answer165) Which one of the following is suitable for experiment on linkage?

A) $AA\,aa\times Aa\,BB$

B) $Aa\,Bb\times Aa\,Bb$

C) $AA\,BB\times aa\,bb$

D) $aaBB\times aaBB$

View Answer play_arrow
• question_answer166) Surgical procedure for child birth is called

A) dilation and curattage (D and C)

B) artifical rupture of membrane

C) caesarean

D) shirodkar

View Answer play_arrow
• question_answer167) $\overset{\text{o}}{\mathop{\text{A}}}\,$(Angstrom) means

A) ${{10}^{-9}}m$

B) ${{10}^{-8}}m$

C) ${{10}^{-10}}m$

D) ${{10}^{-11}}m$

View Answer play_arrow
• question_answer168) The type of arrangement of flower and mode of distribution of flower on a shoot of palm tree is

A) spikelet

B) spadix

C) spike of spikelets

D) compound spadix

View Answer play_arrow
• question_answer169) The protein first hypothesis (in origin of life) is given by

A) Sidney Fox

B) Thomas Cech

C) Cairns Smith

D) Sidney Altman

View Answer play_arrow
• question_answer170) Ozone layer is present in

A) stratosphere

B) Troposphere

C) mesosphere

D) ionosphere

View Answer play_arrow
• question_answer171) Enzyme renin acts upon

A) angiotensinogen

B) vasodilation

C) blood pressure

D) digestion process

View Answer play_arrow
• question_answer172) Types of quills (flight) feathers is/are

A) filoplume

B) remiges

C) corert

D) Both (b) and (c)

View Answer play_arrow
• question_answer173) Ischihara chart is used to detect

A) eye sight

B) colour blindness

C) diabetes

D) tuberculosis

View Answer play_arrow
• question_answer174) Coelom is present between

A) ectoderm and endoderm

B) mesoderm and ectoderm

C) body wall and ectoderm

D) mesoderm and endoderm

View Answer play_arrow
• question_answer175) The major excretory product of arthropods

A) ammonia

B) urea

C) uric acid

D) trimethyl oxide

View Answer play_arrow
• question_answer176) Structurally the amphicribal vascular bundles resemble closely to

A) dictyosteles

B) solanosteles

C) siphonosteles

D) protostele

View Answer play_arrow
• question_answer177) In a detritus food chain detritus is broken down into form of inorganic elements by detritivore. The process of breakdown of detritus is known as

A) mulching

B) leaching

C) mineralisation

D) fragmentation

View Answer play_arrow
• question_answer178) Savannah can be defined as

A) temperate forest

B) tropical forest

C) mansoon forest

D) grassland with scattered trees

View Answer play_arrow
• question_answer179) Which of the following statements is true for lysosome?

A) Suicidal bag

B) Stain for acid phosphatase

C) Some cystolic protin contains signals directing them to lysosome

D) All of the above

View Answer play_arrow
• question_answer180) Match the following columns.

 Column I Column II A. Oral contraceptives 1. Passage of sperm is blockel B. IUDs 2. Released hormone to block ovulation C. Implants/ Norplant 3. Inhibit secretion of LH and FSH D. Vasectomy 4. Prevent fertillisation implantation of embryo
Codes

A) A-4 A-3 A-1 A-2

B) B-3 B-4 B-2 B-1

C) C-3 C-4 C-1 C-2

D) D-3 D-2 D-5 D-1

View Answer play_arrow
• question_answer181) The holidays for the banks are declared as per

A) Reserve Bank Act

B) Banking Regulation Act

C) Negotiable Instruments Act

D) Companies Act

View Answer play_arrow
• question_answer182) The primary sector includes all of the following, except

A) forestry

B) manufacturing

C) mining

D) agriculture

View Answer play_arrow
• question_answer183) Planning commission of India is

A) a constitutional body

B) an independent and autonomous body

C) a statutory body

D) a non-statutory body

View Answer play_arrow
• question_answer184) Which of the following is not covered under the monetary and credit policy of RBI?

A) Bank Rate

B) Repo Rate

C) Cash Reserve Ratio

D) Exchange rate of Foreign currencies

View Answer play_arrow
• question_answer185) Which of the following is associated with white Revolution in India?

A) Dadabhai Naoroji

B) Verghese kurien

C) Spencer Hatch

D) MS Swaminathan

View Answer play_arrow
• question_answer186) During the time of which Mughal Emperor did the English East India Company established its first factory in India?

A) Akbar

B) Jahangir

C) Shahjahan

D) Aurangzeb

View Answer play_arrow
• question_answer187) What is the local name of Mohenjodaro?

A) Mound of the Dead

B) Mound of the Great

C) Mound of the Living

D) Mount of the Sun

View Answer play_arrow
• question_answer188) Which one of the following planets has largest number of natural satellites or Moons?

A) Jupitor

B) Mars

C) Saturn

D) Venus

View Answer play_arrow
• question_answer189) By which name does the Brahmaputra river enter into India?

A) Manas

B) Dhansiri

C) Dihang

D) Tsangpo

View Answer play_arrow
• question_answer190) Mullaperiyar dom whose safety has been a matter of concern is a dispute between

A) Tamil Nadu and Andhra Pradesh

B) Karnataka and Kerala

C) Tamil Nadu and Kerala

D) Tamil Nadu and Karnataka

View Answer play_arrow
• question_answer191) Maps on large-scale, representing both natural and man-made features are called

A) Topographic maps

B) Thematic maps

C) Atlas maps

D) Wall maps

View Answer play_arrow
• question_answer192) Blood group was discovered by

A) Pavlov

B) Alexander Fleming

C) William Harvey

D) Landsteiner

View Answer play_arrow
• question_answer193) The enzyme that converts glucose to ethyl alcohol is

A) diastase

B) zymase

C) maltase

D) invertase

View Answer play_arrow
• question_answer194) Chromosomes consist of

A) DNA and lipids

B) RNA and amino acids

C) RNA and sugar

D) DNA and proteins

View Answer play_arrow
• question_answer195) Which of the metals causes Itai-Itai disease?

A) Cobalt

B) Copper

C) Chromium

D) Cadmium

View Answer play_arrow
• question_answer196) Which of the following is known as graveyard of RBCs?

A) Spleen

B) Liver

C) Bone marrow

D) Appendix

View Answer play_arrow
• question_answer197) The anti-malarial drug quinine is made from a plant. The plant is

A) neem

B) eucalyptus

C) cinvamon

D) cinchona

View Answer play_arrow
• question_answer198) Conversion of chemical energy info electrical energy occur in

A) atomic bombs

B) electric heaters

C) battery

D) dynamo

View Answer play_arrow
• question_answer199) A water tank appears shallower when it is viewed from top due to

A) rectilinear propagation of light

B) reflection

C) total internal reflection

D) refraction

View Answer play_arrow
• question_answer200) Non-stick cooking utensils are coated with

A) polystyrene

B) polyvinyl chloride

C) black point

D) Teflon

View Answer play_arrow
• question_answer201) The scientist who first discovered that the Earth revolves round the Sun was

A) Newton

B) Dalton

C) Copernicus

D) Eistein

View Answer play_arrow
• question_answer202) What is correcting errors in a programme called?

A) Compiling

B) Debugging

C) Grinding

D) Interpreting

View Answer play_arrow
• question_answer203) The set of instructions which tells a computer what to do is called

A) matter

B) instructor

C) compiler

D) Programme

View Answer play_arrow
• question_answer204) Which was mainly responsible for the Bhopal Mishap in 1984?

A) Methyl Isocyanate

B) Carbon di oxide

C) Ammonia

D) Carbon monoxide

View Answer play_arrow
• question_answer205) Glycol is added to aviation gasoline because it

A) prevents freezing of petrol

B) reduces consumption of petrol

C) reduces evaporation of petrol

D) increase efficiency of petrol

View Answer play_arrow
• question_answer206) Which one of the following is used as a moderator in a nucler reactor?

A) Radium

B) Ordinary water

C) Thorium

D) Heavy water

View Answer play_arrow
• question_answer207) Global warming is a consequences of

A) radioactive fall out

B) ozone depletion

C) green house effect 1

D) acid rain

View Answer play_arrow
• question_answer208) Acid rain is due to air pollution by

A) carbon d ioxide

B) carbon monoxide

C) methane

D) nitrous oxide and sulphur dioxide

View Answer play_arrow
• question_answer209) The concept of carbon credit originated from which one of the following?

A) Kyoto protocol

B) Earth summit

C) Martreal protocol

D) G-8 summit

View Answer play_arrow
• question_answer210) A person well known as father Terasa is

A) Aryaratne

B) Gerhard Fischer

C) Abdul Sattar Edhi

D) Baba Amte

View Answer play_arrow
• question_answer211) The larest biogas plant of the world was inaugurated in

A) USA

B) Ireland

C) Finland

D) Germany

View Answer play_arrow
• question_answer212) The correct sequence order of the most polulous countries of the world is

A) China, India, USA, Brazil, Indonesia

B) China, India, Brazil, Indonesia, USA

C) China, India, Indonesia, USA, Brazil

D) China, India, USA, Indonesia, Brazil

View Answer play_arrow
• question_answer213) Who is the author of the book My life?

A) Hillary Clinton

B) Bill Clinton

C) The Dalai Lama

D) Imran Khan

View Answer play_arrow
• question_answer214) The Headquarter of European union is lituated in

A) England

B) Germany

C) France

D) Belgium

View Answer play_arrow
• question_answer215) The Cannes award is given for excellence in which of the following fields?

A) Films

B) Journalism

C) Economics

D) Literature

View Answer play_arrow
• question_answer216) The inaugural world Test Cricket Championship will take place in 2017 in

A) England and Wales

B) West Indies

C) Australia

D) India, Sri Lanka and Pakistan

View Answer play_arrow
• question_answer217) Intensity of an earthquake is measured with

A) Barometer

B) Hydrometer

C) Polygraph

D) Seismograph

View Answer play_arrow
• question_answer218) Sushil kumar won the medal at London Olympic event is a famous

A) Table tennis player

B) Wrestling champion

C) Golf player

D) None of the above

View Answer play_arrow
• question_answer219) UN International day for natural disaster reduction is observed on

A) 6th July

B) 15th September

C) 13th October

D) 18th November

View Answer play_arrow
• question_answer220) As per census 2011, the sex ratio of India is

A) 940

B) 933

C) 927

D) 937

View Answer play_arrow
• question_answer221) The President of Indian National Congress at the time of partition of India was

A) C. Rajagopalachari

B) JB Kriplani

C) Jawaharlal Nehru

D) None of these

View Answer play_arrow
• question_answer222) Article 368 of the Indian Constitution provides

A) Financial emergency

B) UPSC

C) Amendment to the constitution

D) Local government

View Answer play_arrow
• question_answer223) The Right to Information Act of Parliament received the assent of the President of India on

A) 15th may, 2005

B) 5th June, 2005

C) 15th June, 2005

D) 12th October, 2005

View Answer play_arrow
• question_answer224) The number of Anglo Indians who can be hominated by the President to the Lok Sabha is

A) 2

B) 3

C) 4

D) 5

View Answer play_arrow
• question_answer225) Devaluation of currency helps in promoting

A) imports

B) exports

C) tourism

D) national income

View Answer play_arrow
• question_answer226) 2018 FIFA World Cup would be held in

A) France

B) Russia

C) Qatar

D) Netherlands

View Answer play_arrow
• question_answer227) Insufficient blood supply in the human body is referred to as

A) Hemostasis

B) Haemorrhage

C) Ischaemia

D) Hypermesia

View Answer play_arrow
• question_answer228) What percentage does the Indian population comprile in the world?

A) 17.00 %

B) 16.31 %

C) 17.31 %

D) 16.25 %

View Answer play_arrow
• question_answer229) Which one among the following gases readily combines with the haemoglobin of the blood?

A) Methane

B) Nitrogen dioxide

C) Carbon monoxide

D) Sulphur dioxide

View Answer play_arrow
• question_answer230) Human blood is a viscous fluid. This visocity is due to

A) protains in blood

B) platelets in plasma

C) sodium in serum

D) RB and WBC in blood

View Answer play_arrow
• question_answer231) Who translated Ramayan into Persian in accordance with the wishes of Akbar?

A) Abul Fazl

B) Faizi

C) Abdul Qadir Badami

D) Abdur-Rahim Khan-I-Khanna

View Answer play_arrow
• question_answer232) With which of the following movements is Arun Asaf Ali associated?

A) Non-cooperation movement

B) Civil Disobedient movement

C) Individual Satyagraha

D) Quit India Movement

View Answer play_arrow
• question_answer233) Who is competent to dissolve the Rajya Sabha?

A) Chairman of Rajya Sabha

B) The President

C) The joint-Session of Parliament

D) None of the above

View Answer play_arrow
• question_answer234) The 9th schedule to the Indian Constitution was added by

A) First Amendment

B) Eighth Amendment

C) North Amendment

D) Forty Second Amendment

View Answer play_arrow
• question_answer235) The largest planet in our Solar System is

A) Mars

B) Jupiter

C) Saturh

D) Butterfly

View Answer play_arrow
• question_answer236) The highest grade and best quality coal is

A) Lignite

B) Peat

C) Bituminous

D) Anthracite

View Answer play_arrow
• question_answer237) Which one of the following longitudes determines the Indian standard time?

A) $85.5{}^\circ E$

B) $86.5{}^\circ E$

C) $84.5{}^\circ E$

D) $82.5{}^\circ E$

View Answer play_arrow
• question_answer238) Which of the following is a land locked state?

A) Gujarat

B) Andhra Pradesh

C) Madhya Pradesh

D) Tamil Nadu

View Answer play_arrow
• question_answer239) Ctrl shift and alt are called .... keys.

A) modifier

B) function

C) alphanumeric

D) adjustment

View Answer play_arrow
• question_answer240) Storage which stores or retains data after power off is called

A) volatile storage

B) none-volatile storage

C) sequential storage

D) direct storage

View Answer play_arrow
• question_answer241) Study of disease like cancer is called

A) osteology

B) oncology

C) karyology

D) nephrology

View Answer play_arrow
• question_answer242) Bile is stored in

A) mouth

B) liver

C) gallbladder

D) stomach

View Answer play_arrow
• question_answer243) Alpha-Keratin is a protein, present in

A) blood

B) sakin

C) lymph

D) egg

View Answer play_arrow
• question_answer244) Atomic power plant works on the principle of

A) fission

B) fusion

C) thermal combustion

D) All of the above

View Answer play_arrow
• question_answer245) Cylindrical lens is used by a person suffering from

A) astigmatism

B) myopia

C) hypermetropia

D) presbyopia

View Answer play_arrow
• question_answer246) The chemical used as a fixer in photography is

A) sodium sulphate

B) sodium thiosulphate

C) ammonium persulphate

D) borax

View Answer play_arrow
• question_answer247) Higher concentration of nitrogen di oxide in atmosphere air causes

A) cancer

B) bronchitis

C) asphyxiation

D) corrosion

View Answer play_arrow
• question_answer248) The first woman to become a Chief Minister of any state in India was.....

A) Nandini Satpathy

B) Dr J. Jayalalitha

C) Sucheta kriplani

D) Mayawati

View Answer play_arrow
• question_answer249) CBDT stands for

A) continued test Ban treaty

B) continued test based treatments

C) comprehensive test ban treaty

D) commerical test based tariff

View Answer play_arrow
• question_answer250) Where is the Central Food Technology Research Institute situated?

A) Delhi

B) Agara

C) Ahmadabad

D) Mysore

View Answer play_arrow
• question_answer251) When did WHO (World Health Organisation) come into force on

A) 6th April, 1948

B) 7th April, 1948

C) 10th April, 1948

D) 26th April, 1948

View Answer play_arrow
• question_answer252) Which one of the following is the biggest flower in the world?

A) Sun flower

B) Lotus

C) Gleory Lily

D) Rafflesia

View Answer play_arrow
• question_answer253) Palk strait connects India to

A) Sri Lanka

B) Pakistan

C) Myanmar

D) None of these

View Answer play_arrow
• question_answer254) Who is the 158th member of WTO?

A) Russia

B) Vanuatu

C) Laos

D) Australia

View Answer play_arrow
• question_answer255) Lok Sabha passed the National Food Security Bill 2013 on

A) 22rd August, 2013

B) 23rd August, 2013

C) 26th August, 2013

D) 27th August, 2013

View Answer play_arrow
• question_answer256) Direction: Select the related word from the given alternative. Botany : Plants :: Entomology?

A) Insects

B) Snakes

C) Birds

D) Germs

View Answer play_arrow
• question_answer257) Arrange the following words according to English dictionary.

 (i) Billian (ii) Bifurcate (iii) Bilateral (iv) Bilirubin

A) i, ii, iii, iv

B) iv, iii, ii, i

C) ii, iii, i, iv

D) ii, iii, iv, i

View Answer play_arrow
• question_answer258) Which one set of letters when sequentially placed at the gaps in the given letters series shall complete it? cccbb_aa_ccbbbaa_c

A) acbc

B) baca

C) baba

D) acba

View Answer play_arrow
• question_answer259) Find the wrong number in the given series. 5, 27, 61, 122, 213, 340, 509

A) 27

B) 61

C) 122

D) 509

View Answer play_arrow
• question_answer260) Pointing to a man in a photograph, a woman said, His brothers father is the only son n my grandfather. How is the woman relate to the man in the photograph?

A) Mother

B) Aunt

C) Sister

D) Daughter

View Answer play_arrow
• question_answer261) In an examination, Raju got more marks than Mukesh but not as many as Priya. Priya got more marks than Gaurav and Kavita. Gaurav got less marks than Mukesh but his marks are not the lowest in the group. Who is second in the descending order of marks?

A) Priya

B) Kavita

C) Raju

D) Gaurav

View Answer play_arrow
• question_answer262) From the given alternatives, select the word which cannot be formed using the letters of the given word. TRANSLATION

A) NATION

B) RATION

C) TRANSIT

D) TRANSMIT

View Answer play_arrow
• question_answer263) Directions: Select the missing number from the given responses.

A) 1

B) 26

C) 39

D) 45

View Answer play_arrow
• question_answer264) Directions: Select the missing number from the given responses.

 64 36 2 81 25 4 144 16 ?

A) 6

B) 8

C) 3

D) 16

View Answer play_arrow
• question_answer265) A man walks northwards and then turns left, then turns right and then left. In which direction is he moving now?

A) West

B) North

C) East

D) South

View Answer play_arrow
• question_answer266) Ashish walked 50 m towards East and took a right turn and walked 40 m. He again took a right turn and walked 50 m. How for is he from the starting point?

A) 10 m

B) 25 m

C) 30 m

D) 40 m

View Answer play_arrow
• question_answer267) Two statements are given followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions, if any follow from the given statements. Indicate your answer.

 Statements All the organised persons find time for rest. Sunita, inspite of her very busy schedule, finds time for rest. Conclusions I. Sunita is an organised person II. Sunita is an industrious person.

A) Only conclusion I follows

B) Only conclusion II follows

C) Neither conclusion I nor II follows

D) Both conclusions I and II follow

View Answer play_arrow
• question_answer268) Which answer figure will complete the pattern in the question figure? Question Figures Answer Figures

A)

B)

C)

D)

View Answer play_arrow
• question_answer269) A piece of paper is folded and cut as shown below in the question figures. From the given figures, indicate how it will appear when opened? Question Figures Answer Figures

A)

B)

C)

D)

View Answer play_arrow
• question_answer270) Which of the answer figure is exactly the mirror image of the given figure, when the mirror is held on the line AB? Question Figures Answer Figures

A)

B)

C)

D)

View Answer play_arrow
• question_answer271) Directions: Some parts of the sentence have errors and some are correct. Find out which part of a sentence has an error corresponding to the appropriate option (a), (b) and (c). If a sentence is free from errors, mark the answer (d)

A) We requested the watchman

B) / to clean up the basement

C) / so that the children had enough space to play.

D) /No error

View Answer play_arrow
• question_answer272) Directions: Some parts of the sentence have errors and some are correct. Find out which part of a sentence has an error corresponding to the appropriate option (a), (b) and (c). If a sentence is free from errors, mark the answer (d)

A) Last night I dream

B) /I was a sheikh on the 169th floor

C) / of burj khalifa

D) /No error

View Answer play_arrow
• question_answer273) Directions: Out of the four alternatives, choose the one which best expresses the meaning of the given word and mark it in the answer sheet. Benevolent

A) Beneficial

B) Kind

C) Helpful

D) Supportive

View Answer play_arrow
• question_answer274) Directions: Out of the four alternatives, choose the one which best expresses the meaning of the given word and mark it in the answer sheet. Ancestors

A) Extinct tribes

B) Relatives

C) Forefathers

D) Old people

View Answer play_arrow
• question_answer275) Directions: Out of the four alternatives, choose the one which best expresses the meaning of the given word and mark it in the answer sheet. Meek

A) Light hearted

B) Serious

C) Submissive

D) Benign

View Answer play_arrow
• question_answer276) Directions: Choose the word opposite in meaning to the given word and mark it in the answer sheet. Accomplish

A) Fail

B) Improper

C) Disagreeable

D) Scatter

View Answer play_arrow
• question_answer277) Directions: Choose the word opposite in meaning to the given word and mark it in the answer sheet. Famous

A) Obscure

B) Eminent

C) Lenient

D) Fabulous

View Answer play_arrow
• question_answer278) Directions: Four alternatives are given for the idiom/phrase. Choose the alternative which best expresses the meaning of the idiom/phrase and mark it in answer sheet. To take to heart

A) to be encouraged

B) to grieve over

C) to like

D) to hate

View Answer play_arrow
• question_answer279) Directions: Four alternatives are given for the idiom/phrase. Choose the alternative which best expresses the meaning of the idiom/phrase and mark it in answer sheet. Yeomans service

A) medical help

B) excellent work

C) social work

D) hard work

View Answer play_arrow
• question_answer280) Directions: A part of the sentence is underlined which may need improvement. Alternatives are given as (a), (b) and ()c below, which may be better option. In case no improvement is need your answer is (d). John is wearing his jacket as it is very cold.

A) taking on

B) getting on

C) putting on

D) No improvement

View Answer play_arrow
• question_answer281) Directions: A part of the sentence is underlined which may need improvement. Alternatives are given as (a), (b) and (c) below, which may be better option. In case no improvement is need your answer is (d). The host offered me tea but I denied it

A) refused

B) said no

C) rejected

D) No improvement

View Answer play_arrow
• question_answer282) Directions: Out of the four alternatives, choose the one which can be substituted for the given words/sentence. Instrument to measure atmospheric pressure

A) metronometer

B) compass

C) pedometer

D) barometer

View Answer play_arrow
• question_answer283) Directions: Out of the four alternatives, choose the one which can be substituted for the given words/sentence. Belonging to all parts of the world

A) common

B) universal

C) worldly

D) international

View Answer play_arrow
• question_answer284) Directions: In the following questions, group of four words an given. In each group, one word is correctly spelt. Find the correctly spelt word and mark it in the answer sheet. In the following questions, group of four words an given. In each group, one word is correctly spelt. Find the correctly spelt word and mark it in the answer sheet.

A) Onvelope

B) Envelope

C) Envalope

D) Envelop

View Answer play_arrow
• question_answer285) Directions: In the following questions, group of four words an given. In each group, one word is correctly spelt. Find the correctly spelt word and mark it in the answer sheet. In the following questions, group of four words an given. In each group, one word is correctly spelt. Find the correctly spelt word and mark it in the answer sheet.

A) Comitee

B) Committee

C) Committie

D) Committee

View Answer play_arrow
• question_answer286) The average of seven consecutive numbers is 20. The largest of these numbers is

A) 21

B) 22

C) 23

D) 24

View Answer play_arrow
• question_answer287) The greatest among the numbers$\sqrt[3]{4},\sqrt{2},\sqrt[6]{3},\sqrt[4]{5}$

A) $\sqrt[3]{4}$

B) $\sqrt{2}$

C) $\sqrt[6]{3}$

D) $\sqrt[4]{5}$

View Answer play_arrow
• question_answer288) One-fifth a number is equal to$\frac{5}{8}$of another number. If 35 is added to the first number, it becomes four times of the second number, The second number is

A) 25

B) 40

C) 70

D) 125

View Answer play_arrow
• question_answer289) In dividing a certain number by 342, we get 47 as remainder of the same number is divided by 18, what will be the remainder?

A) 11

B) 13

C) 17

D) 19

View Answer play_arrow
• question_answer290) The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3 but when divided by 9 leaves no remainder, is

A) 1677

B) 1683

C) 2523

D) 3363

View Answer play_arrow
• question_answer291) Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is

A) 15

B) 16

C) 18

D) 25

View Answer play_arrow
• question_answer292) The price of a VCR is marked at Rs. 12000. If successive discounts of 15%, 10% and 5% be allowed, then at what price does a customer buy it?

A) Rs. 8400

B) Rs. 8721

C) Rs. 8856

D) Rs. 8850

View Answer play_arrow
• question_answer293) Ram bought a refrigerator with 5% discount on the labelled price. Had he bought it with 20% discount, he would have saved Rs. 1500. At what price did he buy the refrigerator?

A) Rs. 10000

B) Rs. 9000

C) Rs. 8000

D) Rs. 9500

View Answer play_arrow
• question_answer294) If $\frac{x+y}{x-y}=\frac{5}{2},$then value of$\frac{x}{y}$is

A) $\frac{3}{8}$

B) $\frac{8}{3}$

C) $\frac{5}{3}$

D) $\frac{3}{5}$

View Answer play_arrow
• question_answer295) A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

A) 3

B) 4

C) 5

D) 6

View Answer play_arrow
• question_answer296) If the selling price of 50 articles is equal to the cost price of 40 articles, then the loss or gain per cent is

A) 20% loss

B) 20% gain

C) 25% loss

D) 25% gain

View Answer play_arrow
• question_answer297) The ratio of the incomes of A and B is 5 : 4 and the ratio of their expenditures is 3 :2. If at the end of the year, each saves Rs. 1600, then the income of A is

A) Rs. 3400

B) Rs. 3600

C) Rs. 4000

D) Rs. 4400

View Answer play_arrow
• question_answer298) Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8kg of zinc has been consumed in it?

A) 58 kg

B) 60 kg

C) 64 kg

D) 70 kg

View Answer play_arrow
• question_answer299) In a stream running at 2 km/h, a motorboat goes 6 km upstream and back again to the starting point in 33 min. Find the speed of the motorboat in still water.

A) 11 km/h

B) 22 km/h

C) 12 km/h

D) 20 km/h

View Answer play_arrow
• question_answer300) The difference between the compound interest and simple interest on a certain sum of money for 3yr at $6\frac{2}{3}%$per annum is 3 Rs. 184, then what is the sum?

A) Rs. 13500

B) Rs. 12500

C) Rs. 11500

D) Rs. 10500

View Answer play_arrow

You need to login to perform this action.
You will be redirected in 3 sec