RMgX is an organometallic compound, generally known as:

NTS 2012
Chemistry
Alkyl Halides and Amines
Grignard Reagent
A) Grignard’s Reagent
Show Explanation
B) Baeyer’s Reagent
Show Explanation
C) Ether
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D) Ester
Show Explanation

Reagents like K2Cr207and H2S04 lead to ___?

PMC Practice 20
Chemistry
Carboxylic Acids and its Derivatives
A) Reduction
Show Explanation
B) Hydrolysis
Show Explanation
C) Dehydration
Show Explanation
D) Oxidation
Show Explanation

Which alkyl halide has the lowest reactivity for a particular alkyl group?

NTS 2018
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) R-CI
Show Explanation
B) R-F
Show Explanation
C) R-Br
Show Explanation
D) R-I
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Which of the following is an intermediate compound in SN1:

UHS 2017 Reconduct
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Ethoxide ion
Show Explanation
B) Alkyl halide
Show Explanation
C) Alkene
Show Explanation
D) Carbocation
Show Explanation

Ethyl iodide and n-propyl iodide are allowed to undergo the Wurtz reaction. The alkane which will not be obtained in this reaction is:

NUMS 2016
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Butane
Show Explanation
B) Propane
Show Explanation
C) Pentane
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D) Hexane
Show Explanation

By treating CO2 with Grignard’s reagent, the following compound is obtained;

NUMS 2019 Cancelled
Chemistry
Carboxylic Acids and its Derivatives
A) Aromatic compounds
Show Explanation
B) Alcohols
Show Explanation
C) Carboxylic acid
Show Explanation
D) Ethers
Show Explanation

All amino acids contain the functional group:

NTS 2017
Chemistry
Alkyl Halides and Amines
Introduction to Alkyl Halides and Amines
A) NH2
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B) CO2
Show Explanation
C) S2-
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D) Both A and B
Show Explanation

The chemical reaction in which reactions require high amount of activation energy are generally:

NTS 2014
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Slow
Show Explanation
B) First fast then slow
Show Explanation
C) First slow then fast
Show Explanation
D) Spontaneous
Show Explanation

The reduction of nitrile produced a compound of formula C3H7NH2. Which one of the following compounds would be produced if the same nitrile was hydrolyzed by heating with dilute hydrochloric acid?

NUMS 2016
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) CH3CONH2
Show Explanation
B) CH3CH2NH2
Show Explanation
C) (CH3)2CHCO2H
Show Explanation
D) CH3CH2CO2H
Show Explanation

Why does H+ ion always get associated with other atoms or molecules?

Chemistry
s and p Block Elements
A) Ionization enthalpy of Hydrogen resembles that of alkali metals.
Show Explanation
B) Its reactivity is similar to halogens.
Show Explanation
C) It resembles both alkali metals and halogens.
Show Explanation
D) Loss of an electron from hydrogen atom results in a nucleus of very small size as compared to other atoms or ions. Due to high charge density, it cannot exist free.
Show Explanation

HCOOH is the structure of:

NUMS 2018
Chemistry
Carboxylic Acids and its Derivatives
A) Acetic acid
Show Explanation
B) Formic acid
Show Explanation
C) Valeric acid
Show Explanation
D) Caproic acid
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Zwitter ion is formed when proton goes from:

NTS 2018
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Amino to the carboxyl group
Show Explanation
B) Carboxyl to an amino group
Show Explanation
C) Carboxyl group only
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D) Amino group only
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Which one of the following ions exhibits d-d transition and paramagnetism as well?

NTS 2014
Chemistry
d and f Block Elements
A) MnO4-
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B) CrO42-
Show Explanation
C) MnO42-
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D) Cr2O72-
Show Explanation

The unit of rate of reaction is:

NTS 2011
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Mole (dm3) sec
Show Explanation
B) Mole (dm3) sec-1
Show Explanation
C) Mole(dm-3) sec -1
Show Explanation
D) Mole(dm3)sec-2
Show Explanation

R-X on reaction with alcohols form:

PMC 2020
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) R-OH
Show Explanation
B) ROR
Show Explanation
C) R-X-OH
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D) RH
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An example of a covalent hydride is :

Chemistry
s and p Block Elements
A) NaH
Show Explanation
B) CaH2
Show Explanation
C) SrH2
Show Explanation
D) AsH3
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If products of a reaction act as a catalyst, such process is called:

NTS 2014
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Positive catalyst
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B) Negative catalyst
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C) Auto catalyst
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D) Both A and B
Show Explanation

Strongest acid among the following is:

NUMS 2014
Chemistry
Carboxylic Acids and its Derivatives
A) HCOOH
Show Explanation
B) CH3COOH
Show Explanation
C) (CH3)2CHCOOH
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D) (CH3)3CCOOH
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An ester is prepared by:

NUMS 2014
Chemistry
Carboxylic Acids and its Derivatives
A) Two alcohols
Show Explanation
B) Carboxylic acid and alcohol
Show Explanation
C) Ketone and alcoho
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D) Aldehyde and alcohol
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The formula of esters is

PMC Sample 2
Chemistry
Carboxylic Acids and its Derivatives
A) R – COOH
Show Explanation
B) R – COR
Show Explanation
C) R – COOR
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D) R – COH
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Which of the following cannot be prepared directly from acetic acid?

PMC Practice 17
Chemistry
Carboxylic Acids and its Derivatives
A) Ethyl acetate
Show Explanation
B) Acetamide
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C) Acetyl Halide
Show Explanation
D) Acetic anhydride
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Which of the following carboxylic acids will be the most acidic?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
A) CH3CHClCH2COOH
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B) CH3CH2CCl2COOH
Show Explanation
C) CH3CH2CHClCOOH
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D) CH3CH2CH2COOH
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Which one of the following is not a state function?

ETEA 2019
Physics
Heat and Thermodynamics
Work and Heat
A) Work
Show Explanation
B) Enthalpy
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C) Internal energy
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D) Pressure
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One complete circle is equal to:

NUMS 2020
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) 2π radian
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B) 3 radian
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C) 5 radian
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D) 9 radian
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A 1000 kg vehicle is turning around a corner at 10 m/s as it travels along an arc of a circle. If the radius of the circular path is 10 m, how large a force must be exerted by the pavement on the tires to hold the vehicle in the circular path?

NTS 2015 DUHS and JSMU
Physics
Circular Motion and Momentum
Centripetal Force
A) 1.0 x 10⁴ N
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B) 3.0 x 10⁴ N
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C) 5.0 x 10⁴ N
Show Explanation
D) 7.0 x 10⁴ N
Show Explanation

Law of conservation of momentum states that:

I. there is no external force applied to a system, then the total momentum of that system remains constant

II. if there is an external force applied to a system, then the total momentum of that system remains constant

III. if there is no external force applied to a system, then the total momentum of that system keeps changing

NTS 2011
Physics
Circular Motion and Momentum
Law of Conservation of Angular Momentum
A) I only
Show Explanation
B) I and II only
Show Explanation
C) I and III only
Show Explanation
D) III only
Show Explanation

The centripetal acceleration is maximum when radius r is:

PMC Sample 1
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Centripetal Force
A) Increasing
Show Explanation
B) Decreasing
Show Explanation
C) Constant
Show Explanation
D) None of these options are correct
Show Explanation

If an electron in the ‘K’ shell is removed and an electron from ‘L’ shell jumps to occupy the hole in the ‘K’ shell, it emits a photon of energy:

UHS 2012
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) hfKα = EL – EK
Show Explanation
B) hc = EL – EK
Show Explanation
C) h/λKα = EL – EK
Show Explanation
D) hfKα = EK – EL
Show Explanation

Molar heat capacity at constant pressure is given by:

2022 PMC Test 1
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) dQ/dV
Show Explanation
B) dQ/dT
Show Explanation
C) dU/dT
Show Explanation
D) dU/dV
Show Explanation

If Cv = 2.5 R, Cp = ?

FMDC 2018
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) 0.4 R
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B) 2R/7
Show Explanation
C) 2.5 R
Show Explanation
D) 3.5 R
Show Explanation

When a charged particle is projected perpendicularly in a magnetic field its trajectory is:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Hyperbola
Show Explanation
B) Helix
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C) Parabola
Show Explanation
D) Circular
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A nucleus consists of 19 protons and 20 neutrons. The conventional symbol of this nucleus is

NTS 2013
Physics
Nuclear Physics
A) 11 Na 12
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B) 19 K 19
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C) 19 K 39
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D) 19 K 20
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The efficiency of a heat engine working between the freezing point and the boiling point of water is near to:

ETEA 2018
Physics
Heat and Thermodynamics
Heat Engine
A) 50%
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B) 25%
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C) 12.5%
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D) 6.25%
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X-rays from a given X-ray tube operating under specified conditions have a minimum wavelength. The value of this minimum wavelength could be reduced by:

UHS 2013
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Cooling the target
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B) Reducing the temperature of the filament
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C) Increasing the potential difference between the cathode and the target
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D) Reducing the pressure in the tube
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The potential difference between target and cathode of an X-rays tube is 20 kV and current is 20 mA. What is the λmin of the emitted X-ray?

UHS 2015
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) 6.19 x 10-4 m
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B) 6.19 x 10-14 m
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C) 6.19 x 10-11 m
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D) 6.19 x 10-19 m
Show Explanation

The direction of the magnetic line of force depends upon:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Magnetic Field Due to Current in a Long Straight Wire
A) Nature of the material of the conducting wire
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B) Area of the conducting wire
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C) Amount of the current
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D) Direction of the current
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Which of the following is an instrument for monitoring radiations:

NUMS 2016
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
A) GM tube
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B) Radar
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C) Wilson cloud chamber
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D) Both A and C
Show Explanation

The current measuring part of the Ammeter consists of a number of low resistors connected ………….

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Torque on a Current Carrying Coil
A) At an angle of 180 degrees with the galvanometer
Show Explanation
B) Parallel with galvanometer
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C) At an angle of 45 degrees With the galvanometer
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D) Perpendicular with the galvanometer
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What does CAT stand for in X-ray technology?

UHS 2013
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Capacitor Amplifier Transistor
Show Explanation
B) Computerized Axial Tomography
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C) Cathode Anode Technique
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D) Current Amplification Technology
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Helium-neon lasers are used for the:

UHS 2013
Physics
Atomic Spectra
Laser
A) Precise measurement of range finding
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B) Optical fiber communication systems
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C) Surveying for construction of tunnels
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D) Welding detached bone of body
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A circuit in which there is a current of 5 amp is changed so that the current falls to zero in 0.1s. If an average e.m.f of 200 volts is induced, what is the self-inductance of the circuit?

NTS 2014
Physics
Magnetism and Electromagnetic Induction
Mutual and Self Induction
A) 4 henrys
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B) 8 henrys
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C) 12 henrys
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D) 16 henrys
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Which of the following is the pair of isobars?

NUMS 2016
Physics
Nuclear Physics
Composition of Atomic Nuclei
A) 1H1 and 2H1
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B) 12C6 and 13H6
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C) 2H1 and 3H1
Show Explanation
D) 30H15 and 30Si14
Show Explanation

A jeep travelling at a constant speed of 108 km/hr rounds a curve of radius 100 m. Find its acceleration.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Centripetal Force
A) 3 m/s2
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B) 6 m/s2
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C) 7 m/s2
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D) 8 m/s2
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E) 9m/s2
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If angular velocity increases the ______ also increases

PMC Sample 2
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Angular Displacement, Velocity and Acceleration
A) time period
Show Explanation
B) frequency
Show Explanation
C) vibration
Show Explanation
D) none of these
Show Explanation

The half-life of 14C is approximately 5,730 years, while the half-life of 12C is essentially infinite. If the ratio of 14Cto 12C in a certain sample is 25% less than the normal ratio in nature, how old is the sample?

NTS 2013
Physics
Nuclear Physics
Radioactivity
A) Less than 5,730 years
Show Explanation
B) Approximately 5,730 years
Show Explanation
C) Significantly greater than 5,730 years, but less than 11,460 years
Show Explanation
D) Approximately 11,460 years
Show Explanation

_______ is a device which makes use of mutual induction for stepping up or down an alternating e.m.f.

NTS 2012
Physics
Magnetism and Electromagnetic Induction
A) Sonometer
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B) Transformer
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C) Ammeter
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D) Voltmeter
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The values of Cp and Cv are the same for:

2022 PMC Test 2
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) He
Show Explanation
B) Ar
Show Explanation
C) Aluminium
Show Explanation
D) Neon
Show Explanation

When brakes of a car are applied, angular velocity of a flywheel reduces from 900 cycle / min to 720 cycle / min in 6 sec. Angular retardation is:

NUMS 2015
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) ? rad/s2
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B) 9 ? rad/s2
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C) 8 ? rad/s2
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D) ⅔ ?rad / s2
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The ratio of angular speed of moon around the Earth to its angular speed about its own axis is:

NUMS 2015
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) 2:1
Show Explanation
B) 1:6
Show Explanation
C) 1:30
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D) 1:1
Show Explanation

If an object is undergoing an orbital motion around another object it is called

PMC Sample 2
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Angular Displacement, Velocity and Acceleration
A) Revolution
Show Explanation
B) Rotation
Show Explanation
C) Both of them
Show Explanation
D) None of them
Show Explanation

What is the flux density at a point 3 cm from the long straight wire, when there is a current of 25 A in a wire: (u0= 4? x10-7)

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) 0.23×10-1 T
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B) 1.67x 10-4 T
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C) 2.99×10-6 T
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D) 3.63×10-8 T
Show Explanation

Laser light is monochromatic which means:

UHS 2012
Physics
Atomic Spectra
Laser
A) It consists of one ray of light
Show Explanation
B) It consists of one wavelength
Show Explanation
C) It consists of carbon monoxide gas
Show Explanation
D) It consists of photons having 1 eV energy
Show Explanation

The half-life of a radioactive element depends upon:

NUMS 2016
Physics
Nuclear Physics
Radioactivity
A) Amount of element present
Show Explanation
B) Pressure
Show Explanation
C) Temperature
Show Explanation
D) None of the above options are correct
Show Explanation

During each cycle, a heat engine with an efficiency of 25% takes in 800J of energy. How much waste heat energy is expelled in each cycle?

FMDC 2018
Physics
Heat and Thermodynamics
Heat Engine
A) 100J
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B) 200J
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C) 400J
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D) 600J
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Example(s) of spin motion is/are:

NTS 2011
Physics
Circular Motion and Momentum
Rotational Kinetic Energy
A) The daily rotation of the earth about its own axis
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B) Jumping of a paratrooper from an helicopter
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C) Flow of a viscous liquid
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D) Rotation of flywheel about its axle
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E) Both the daily rotation of the earth and flywheel about its own axis
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The physical quantity which produces angular acceleration in the body is

NUMS 2014
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) Force
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B) Moment of inertia
Show Explanation
C) Impulse
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D) Torque
Show Explanation

The kinetic energy of electrons by applying potential difference V1 across the x-ray tube is (KE)1, while V2 potential difference produces kinetic energy equal to (KE)2.

What, will be the value of (KE)1:(KE)2 if the ratio of potential difference V1:V2 = 2:3?

UHS 2013
Physics
Atomic Spectra
De-Broglie Waves and Hydrogen Atom
A) 3:2
Show Explanation
B) 4:9
Show Explanation
C) 9:4
Show Explanation
D) 2:3
Show Explanation

A body is moving in a circle at constant speed. Which statement is true?

PMC Sample 1
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Centripetal Force
A) The resultant force acts towards the centre of the circle
Show Explanation
B) There is no resultant force
Show Explanation
C) The resultant force acts away from the centre of the circle
Show Explanation
D) None of these options are correct
Show Explanation

What is true regarding magnetic force and magnetic intensity?

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) If an electron’s movement is parallel to the magnetic field. it will rotate
Show Explanation
B) If electron’s movement is parallel to magnetic field, it Will rotate anticlockwise
Show Explanation
C) If an electron enters perpendicular to the field force it would be parallel to the plane
Show Explanation
D) If an electron enters perpendicular to the field force will be maximum
Show Explanation

The national anthem ____ after the performance.

English
Tenses and Sentence Structure
A) is sung
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B) was sung
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C) would sing
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D) had sing
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Conversion of heat energy completely into work violates:

FMDC 2018
Physics
Heat and Thermodynamics
Second Law of Thermodynamics
A) Zeroth law of thermodynamics
Show Explanation
B) First law of thermodynamics
Show Explanation
C) Second law of thermodynamics
Show Explanation
D) Both, the first and second laws of thermodynamics.
Show Explanation

Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) qBr
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B) qB/r
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C) q/(Br)
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D) B
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Which of the following series lie in the visible region?

ETEA 2018
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
A) Lyman
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B) Paschen
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C) Balmer
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D) Pfund
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A body is hanging from a rigid support by an extensible string of length L. It is struck inelastically by an identical body of mass m with horizontal velocity v =√2gl , the tension in the string increases just after striking by:

NTS 2019
Physics
Circular Motion and Momentum
Law of Conservation of Angular Momentum
A) mg
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B) 3mg
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C) 2mg
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D) None of these
Show Explanation

For a heat engine ‘A’ the ratio of Q2 to Q1 is 2/3 while for that of heat engine ‘B’, the ratio of Q2 to Q1 is 1/3. What is the value ηA: ηB?

UHS 2013
Physics
Heat and Thermodynamics
Heat Engine
A) 1:3
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B) 1:2
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C) 2:3
Show Explanation
D) 2:1
Show Explanation

A body is moving in a circle at constant speed. Which statement is true?

PMC Sample 1
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Centripetal Force
A) The resultant force acts towards the centre of the circle
Show Explanation
B) There is no resultant force
Show Explanation
C) The resultant force acts away from the centre of the circle
Show Explanation
D) None of these options are correct
Show Explanation

Radiation can cause:

NTS 2011
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
A) leukemia
Show Explanation
B) radiation sickness
Show Explanation
C) skin cancer
Show Explanation
D) gene mutations
Show Explanation
E) all of the above
Show Explanation

For adiabatic process, the first law of thermodynamics is:

NUMS 2016
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) w =∆u = Q
Show Explanation
B) Q = -w
Show Explanation
C) Q = w
Show Explanation
D) w = -∆u
Show Explanation

1 radian = _____ degrees.

NTS 2012
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) 360
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B) 180
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C) 100
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D) 57.3
Show Explanation

According to the first law of thermodynamics, ΔU = Q + W, where ΔU Is the increase in internal energy of the system, Q is the heat transferred to the system and W is the external work done on the system.
Which of the following is NOT a correct expression?

NTS 2010
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) At constant temperature: Q = -W
Show Explanation
B) When no work is done: ΔU = -W
Show Explanation
C) Work done on the system: ΔU = Q – P Δ V
Show Explanation
D) When work is done by the system: ΔU = Q – W
Show Explanation

If the body is rotating with uniform angular velocity, then its torque is:

NUMS 2016
Physics
Circular Motion and Momentum
Angular Momentum and Torque
A) Zero
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B) 90
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C) 1
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D) -1
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What is angular velocity?

PMC Sample 1
Physics
Circular Motion and Momentum
Circular Motion & Momentum
Angular Displacement, Velocity and Acceleration
A) Change in angular rotation / change in time
Show Explanation
B) Change in displacement / change in time
Show Explanation
C) Change in speed / change in time
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D) Change in acceleration / change in time
Show Explanation

Fusion and fission reactions are associated with:

NTS 2012
Physics
Nuclear Physics
Nuclear Reactions
A) Water or hydal energy
Show Explanation
B) Geothermal energy
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C) Fossil fuel energy
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D) Nuclear energy
Show Explanation

LASER is an acronym for:

UHS 2012
Physics
Atomic Spectra
Laser
A) Light amplification by stimulated emission of radiation
Show Explanation
B) Light annihilation by stimulated emission of radiation
Show Explanation
C) Light amplitude of stimulated emission of radiation
Show Explanation
D) Light amplification by stimulated emission of radio
Show Explanation

A body having translatory motion possesses _____ and _____. In the same way a body having rotatory motion possesses _______ and _______.

NTS 2015 SMBBMC
Physics
Circular Motion and Momentum
Angular Displacement, Velocity and Acceleration
A) Angular momentum… Angular velocity…. Linear momentum….Linear velocity
Show Explanation
B) Linear velocity…Linear momentum…. Angular velocity…. Angular momentum
Show Explanation
C) Linear momentum…. Angular momentum…… Linear velocity…. Angular velocity
Show Explanation
D) Angular velocity…. Angular momentum….. Linear momentum….. Linear velocity
Show Explanation

The rapid escape of air from a burst tyre is an example of:

FMDC 2018
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) Isothermal
Show Explanation
B) Adiabatic
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C) Isobaric
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D) Isochoric
Show Explanation

If electron passes through axis of solenoid the movement will be:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Towards the outward
Show Explanation
B) Towards the inward
Show Explanation
C) Parallel to its motion
Show Explanation
D) No force acts on it
Show Explanation

A nucleus consists of 11 protons and 12 neutrons. The conventional symbol of nucleus is:

NTS 2011
Physics
Nuclear Physics
Composition of Atomic Nuclei
A) 11Na12
Show Explanation
B) 11Ca23
Show Explanation
C) 11Na23
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D) 11Ca12
Show Explanation

The type of inhibition in which the inhibitor has no structural similarity to substrate and combines with the enzyme at other than the active site is called:

UHS 2012
Biology
Enzymes
A) Irreversible inhibition
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B) Competitive inhibition
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C) Non-competitive and reversible inhibition
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D) Reversible inhibition
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Breakdown of endometrium during menstruation is due to:

UHS 2011
Biology
Reproduction
Reproduction in Females
A) Increase in Level of LH
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B) Decrease in Level of Progesterone
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C) Increase in Level of Progesterone
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D) Increase in Level of Oestrogen
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Enzymes have what effect on the end-product?

UHS 2017 Reconduct
Biology
Enzymes
A) They alter the product
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B) The nature of the product is completely changed
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C) No effect
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D) The end product is not obtained
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Saliva is basically composed of water, mucus, amylase and:

UHS 2013
Biology
Nutrition
Digestion and Absorption
A) Sodium bicarbonate
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B) Sodium chloride
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C) Sodium hydroxide
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D) Hydrocarbons
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Name of second vertebrae in the neck region is:

UHS 2017 Reconduct
Biology
Support and Movement
Human Skeleton
A) Atlas
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B) Axis
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C) Neck vertebra
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D) Floating rib
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If the reaction, P + Q → R + S, is described as being of zero-order with respect to P, it means that:

NTS 2012
Chemistry
Reaction Kinetics
Order of reaction and its determination
A) P is a catalyst in this reaction
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B) No P molecules possess sufficient energy to react
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C) The concentration of P does not change during the reaction
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D) The rate of reaction is independent of the concentration of P
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First vertebra of cervical region of vertebral column is known as:

UHS 2013
Biology
Support and Movement
Human Skeleton
A) Atlas
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B) Sacral
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C) Thoracic
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D) Axis
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The site where the most absorption of digested food takes place:

UHS 2017 Reconduct
Biology
Nutrition
Digestion and Absorption
A) Large intestine
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B) Small intestine
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C) kidney
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D) Duodenum
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All of the following are examples of substances found in bacteria or archaea EXCEPT:

Biology
Kingdom Prokaryote
Kingdoms – AKU
A) peptidoglycans
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B) flagellin
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C) bacteriorhodopsin
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D) chitin
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Which one of the following statements is not correct?

Biology
Reproduction
A) Offspring produced by the asexual reproduction are called clone.
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B) Microscopic, motile, asexual reproductive structures are called zoospores.
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C) In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
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D) Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes
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In E.C.G QRS complex represent:

ETEA 2018
Biology
Transport
A) Atrial systole
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B) Arial diastole
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C) Ventricle systole
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D) Ventricle diastole
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Optimum pH value for the working of pancreatic lipase is:

UHS 2013
Biology
Enzymes
A) 4.50
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B) 7.60
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C) 2.00
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D) 9.00
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The average life span of red blood cell is about:

UHS 2013
Biology
Transport
A) 4 months
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B) 2 months
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C) 5 months
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D) 1 month
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Identify the cells which secretes HCl:

UHS 2017 Reconduct
Biology
Nutrition
Digestion and Absorption
A) Parietal cells
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B) Oxyntic cells

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C) Zymogen cells
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D) Both Parietal cells and Oxyntic cells
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Among the following, identify the agranulocytes:

UHS 2017 Reconduct
Biology
Transport
A) Neutrophils
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B) Basophils
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C) Monocytes
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D) Both Neutrophils and Basophils

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Mesosomes are infoldings of the cell membrane and are involved in

UHS 2012
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) DNA replication
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B) RNA synthesis
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C) Protein synthesis
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D) Metabolism
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In passive immunity which of the following components are injected into body?

UHS 2013
Biology
Transport
A) Antigens
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B) Immunogens
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C) Serum
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D) Immunoglobulins
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When more energy is required in muscle contraction then that energy can also be produced by _______________ as a secondary source.

UHS 2014
Biology
Support and Movement
A) Glucose
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B) Phosphocreatine
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C) Fructose
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D) Lactic acid
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In the oral cavity, the main function of sodium bicarbonate is:

UHS 2017 Reconduct
Biology
Nutrition
Digestion and Absorption
A) To act as antiseptic
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B) To stabilize the pH of food
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C) To act as lubricant
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D) To make a slimy food

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Which of the following bacteria is equal to the size of the hyphen?

PMC 2021 Tested
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Mycoplasma genitalum
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B) Staphylococcus aureus
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C) Streptococcus pneumoniae
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D) Eulopiscium fishelsoni
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Antibodies consists of ________ polypeptide chains

ETEA 2019
Biology
Transport
A) 2
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B) 4
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C) 6
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D) 8
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Arteriosclerosis is:

NUMS 2016
Biology
Transport
A) A metabolic disorder
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B) A degenerative disorder
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C) An infectious disorder
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D) A nutritional deficiency disorder
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Clavicle is present in:

UHS 2017 Reconduct
Biology
Support and Movement
Human Skeleton
A) Back bone
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B) Skull
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C) Pelvic girdle
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D) Pectoral girdle
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How many ml of blood is pumped by each contraction of the heart?

NUMS 2016
Biology
Transport
A) 80 ml
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B) 90 ml
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C) 70 ml
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D) 60 ml
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Uterus opens into the vagina through:

UHS 2012
Biology
Reproduction
Reproduction in Females
A) Cervix
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B) Fallopian tube
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C) External genitalia
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D) Vulva
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What is the location of interstitial cells in testes?

UHS 2013
Biology
Reproduction
Reproduction in Males
A) Inside the seminiferous tubules
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B) Between the seminiferous tubules
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C) Among the germinal epithelial cells
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D) Around the testes
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When the division of cells is in three planes, the arrangement is known as:

UHS 2010
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Diplococcus
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B) Sarcina
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C) Streptococcus
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D) Staphylococcus
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The inhibitors that bind tightly and permanently to enzymes and destroy their globular structure and catalytic activity are:

UHS 2012
Biology
Enzymes
A) Reversible inhibitors
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B) Irreversible inhibitors
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C) Competitive inhibitors
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D) Non-competitive inhibitors
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The lymphatic vessels of the body empty the lymph into blood stream at the:

UHS 2013
Biology
Transport
A) Abdominal vein
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B) Subclavian vein
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C) Juglar vein
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D) Bile duct
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Bacterial ‘death rate’ is equal to ‘birth rate; in:

UHS 2010
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
A) Lag phase
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B) Log phase
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C) Death phase
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D) Stationary phase
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The cause behind vomiting is:

PMC Practice 21
Biology
Nutrition
Digestion and Absorption
Some Common Diseases Related to Nutrition
A) Peristalsis
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B) Anti peristalsis
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C) Swallowing
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D) Hunger pangs
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Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Reproduction in Animals
A) Asexual reproduction which results in genetically dissimilar offspring
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B) Asexual reproductlon whlch results In genetically identical offspring
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C) Sexual reproduction which results in genetically dissimilar offspring
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D) Sexual reproduction which results in genetically identical offspring
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The end or complete stop of the menstrual cycle is called?

PMC Practice 36
Biology
Reproduction
Reproduction in Females
A) Ovulation
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B) Menstruation
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C) Fertilization
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D) Menopause
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The induction of immunity by artificially introducing antigens refers to:

UHS 2017 Reconduct
Biology
Transport
A) Passive immunity
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B) Active immunity
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C) Artificial active immunity
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D) Passive active immunity
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A muscle condition resulting from the accumulation of lactic acid and ionic imbalance is:

UHS 2011
Biology
Support and Movement
Disorders of Skeleton
A) Tetany
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B) Muscle Fatigue
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C) Cramp
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D) Tetanus
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A single cardiac cycle lasts about:

UHS 2017 Reconduct
Biology
Transport
A) 0.008 sec

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B) 0.8 sec
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C) 8 sec

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D) 0.088 sec
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In case of snake bite venom, passive immunity is produced by antitoxins, so the serum is called as:

UHS 2017 Reconduct
Biology
Transport
A) Antivenom serum
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B) Antiserum
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C) Passive immunity serum

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D) Anti snake serum
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The propulsive movement of the gastrointestinal tract (GI tract) is:

NTS 2010
Biology
Nutrition
Digestion and Absorption
A) Peristalsis
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B) Epiglottis
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C) Antiperistalsis
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D) Anus
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