SAEED MDCAT
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Cisternae is made up of:
The reduction of the contact area between water and hydrophobic substances which are placed in water is termed as:
In general formula of carbohydrates, ‘x’ and ‘y’ are whole numbers which are same in:
At low temperature enzymes are:
Both glucose and appropriate enzymes are necessary for the process of glycolysis to begin. Which additional compound must also be present?
What changes occur when the electron transfer system in animals is inhibited?
Molar mass of a gas can be calculated from ideal gas equation by
A solid Z melts slightly above 273 K and is a poor conductor of heat and electricity It may be
The number of ions pair per unit cell of NaCl
Helium molecule is two times heavier than a hydrogen molecule. At 25°C the average kinetic energy of helium molecule is
The intermolecular attractive forces vary in the increasing order of
Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideality?
Hydrogen bonding is NOT responsible for high boiling point of
At what temperature would the volume of a given mass of a gas will be twice its volume at 0°C at constant pressure
Hydrogen bonding occurs in compounds containing
At higher temperature, density of gases falls due to
Correct relationship that can be used to calculate Crms
____________ shows the lowest vapour pressure at 20°C
A solid which is present in a test tube is volatile, non-conductor in solid state, soluble in polar solvent. The type of the solid will be
At 100°C a gas has 1 atm pressure and 10dm3 volume, its volume at STP would be
At constant temperature when the pressure of gas is increased to three times then its volume becomes
At some constant pressure, V1 and V2 are the volumes of a given mass of gas at temperature 300K and 327K respectively. The ratio of V1 / V2 is equal to
By Charles’s law, there will be a change in the volume of a given mass of gas by 1/273 of its original volume at 0°C, if the temperature of gas is changed by
The crystals formed due to the only dipole – dipole forces are
H2O is liquid at room temperature whereas H2S is a gas because
Vapour pressure is NOT affected by
Ionic solids do not conduct the electrical current because
Ionic solids are characterized by which one of the following properties
Atomic orbitals having same energy are called
An electron occupies the available degenerate orbitals before pairing in any one orbital according to
n2 is generally used to determine the maximum
Which orbital is biggest in size and have maximum energy
The maximum number of electrons having s = +1/2 in 4d subshell are
A chemical equation is balanced in accordance with the law of
Which of the following is molecule as well as compound?
Shape of ionic solid is affected by
Which shape is associated with subshell designated by n = 2, l = 1
Which of the following set of quantum number values is NOT possible
One mole of Hydrogen and oxygen have same at STP
Number of neutrons in will be
Which atom has as many s–electrons as p–electrons
The ground state electronic configuration of the element which is iso-electronic with H2 O
Which of the following contains more protons than electrons
The fourth electron of Be atom will have the four set of quantum numbers as
The orbital diagram in which Hund’s rule is obeyed
An atom has a net charge of –2 it has 18 electrons and 16 neutrons. Its mass number is
Which pair of elements containing same number of electrons in the outermost shell
There are different steps in determining the empirical formulaStep I. Calculating the number of gram atom Step II. Determining the atomic ratioStep III. Determining the percentage composition What is the correct sequence of the above steps
An element is
How many atoms are contained in one mole of sucrose (C12 H22 O11 )
If we are given the mass of one substance we can calculate the volume of the other substance this is called
Study the following table Which two compounds have least mass of oxygen?
4 moles of H2 react with 1 mole of O2 , the H2 O produced will be ______ moles
Number of moles in 120 g of Carbon
The number of molecules in 4g of methane is
Which of the following is NOT correct for 22g g of N2 O?
Atomic mass unit is the reciprocal of
3.01 × 1023 atoms of an element weighs 11.5 g. The atomic mass of the element is
0.25 mole of P4 molecules contains _________ atoms
Pure hydrogen gas can be an example of
Which statement is correct for combustion analysis of organic compound
Which of the following is NOT correct in case of kinetic theory of gases
The numerical ratio of average velocity to average speed is
A particle moves in a plane with a constant acceleration in a direction different from the initial velocity. The path of the particle is
An object will continue un-accelerating
Newton’s first law of motion gives the concept of:
A wound-watch has:
Of the following the one possessing the K.E is
Two balls at same temperature collide. What is conservated
A particle is revolving along a circular path in a horizontal plane. The direction of angular velocity is
A 0.5 kg ball moves in a circle of radius 0.4 m with a velocity of 4 m/s. The centripetal force on the ball is
A crane can raise a body of mass 120kg vertically upward with a speed of 4.5 ms-1. What is the power of its engine?
A body of mass 2kg is being rotated in a circle by 0.5m long string. The work done by centripetal force is
When projectile is projected in XY-plane then vy
Work done by a variable force making angles at different points with displacement in moving the particle from one point to another is equal to the area under the curve of
A car of mass 1000 kg moving on a horizontal road with a steady speed of 10 m/sec has total frictional force on it of 400 N. The power due to engine is
A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is:
The range of projectile is directly proportional to
The power needed to lift a mass of 5000g to height of 1m in 2 second is
Work in negative when angle between and
is:
If and
then
is along
Force is measured according to which law of motion
The time in which a force of 2 N produces a change of momentum of 0.4 kg m/s in the body is:
Force 10 N acts through a distance 20m. The force is then increased to 30 N and then acts through a further distance 40 m. Calculate the work done
Slope of force displacement is measured in unit
A ball of mass 100 g is dropped from height 100 m. Its velocity when its height from ground is 20 m
A body falls from height 0.25 m gain K.E 1.25 J. What is the weight of body?
3.6 MJ is equal to
What is the average power exerted by a man of 60 kg if he climbs up a ladder of 6 m high in 10 s
A particle of rigid body is at a distance 0.1 m from axis of rotation to rotate with linear speed 3 m/s. What is angular speed of the rigid body
A block of mass 100 g slides across a frictionless floor with speed 3 m/s. The block strikes with a wall and bounce back with a speed 3 m/s in opposite direction. Net work done on block is
A moving body posses impulse when
Which of given is correct equation for instantaneous velocity of projectile
When we kick a stone, we get hurt. Due to which one of the following properties does it happen?
Two equal masses moving along same straight line with velocities +7 m/s and -8 m/s respectively collide elastically. Their velocities after collision will be respectively:
A 1000-kg airplane moves in straight flight at constant speed. The force of air friction is 1800 N. The net force on the plane is:
A force of 10N acts on a body of mass 2kg for 1m distance. The K.E. obtained by the body is
Work done is maximum when angle between force and displacement is
Work done due to motion of body while moving downward under the action of gravity is?
Electron, proton, deuterium and -particle have same K.E. Which of them has highest momentum?
Potential energy can be defined only for
If momentum remains constant, then
When arrow is released from its bow, its energy is transformed from
When work done by the gravity is positive then P.E of the body
A small motor has an input power rating of 10W and is run for 5.0 minutes. What is the electrical energy input to the motor in this time?
All particles of a rigid body rotating about a fixed axis may not have same
When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by
Torque due to centripetal force is
Direction of angular acceleration is always along:
A body is revolving with a uniform speed v = 2m/s in a circle of a radius 1m. The tangential acceleration is
A man holding a bucket of mass 40 kg is walking on a road. Work done by gravitational field is
Which of the following is the conditions of an ideal machine?
The slope of work time graph represents
The angular speed of hour’s hand of mechanical watch is rad/h
A crow fly 40 m is north and then 30 m in east. The ratio of his distance to displacement
A child starts from rest at the top of a slides of height 4.0m. What is his speed at the bottom of slide is frictionless?
A bullet is dropped from the same height when another bullet is fired horizontally. They will hit the ground.
The decrease in the potential energy of a ball of mass 20 kg which falls from a height of 50 cm is
Once he raised a hand to touch the lowest of the swings that was hung from the ceiling.
Not till days afterward he realized that it had been a piece of April-foolery.
The majority of students finds it quite hard to live on the amount of money they get.
We believe, however, that two thousand million years ago this rare event takes place.
We would rather ___________ them down to some erudite and kindred soul.
You don't remain an athlete all your life, and he still had to get the post ___________.
Abd-al-Rahman III _____ with the title “amir”.
He made me ____the sum on a slip and sign my name in a book.
He must have been ill then, ____ he died during the summer vacation.
Choose the Correct Option.
Choose the Correct Option.
Choose the Correct Option.
Fill in the blanks.No remorse will _______ the killer because his crime is too heinous.
Despite being ________, he never thought for a moment to depend on his friend.
Keep things going until the war ends and the rockets come again.
Identify the following.We are going to visit our grandparents tomorrow.
Choose the CORRECT synonyms.APPALLING
Choose the CORRECT synonyms.ANXIETIES
Choose the CORRECT synonyms.BRISKLY
Choose the CORRECT Spelling.