Identify A, B and C

The common feature between cyclic and non-cyclic photophosphorylation is:

Minimum photosynthesis would be operated in:

Conversion of one molecule of 1-3BPG to G3P in Calvin cycle requires how many NADPH?

FADH₂ is being oxidized by _______ during respiratory chain:

Step at which NADPH is required in Calvin cycle is:

Oxygen evolving complex is attached with/part of:

Fill in the blanks.I ______ English since my childhood.

Fill in the blanks.Some of the books on the table _______ to me

Fill in the blanks.Mrs. Rose _______to do a course in Biology next week.

Fill in the blanks.My parents _____ near Lahore now a days.

Fill in the blanks.I had my hair cut off and _____ it.

Choose the correct option.

Choose the correct option.

Choose the correct option.

Choose the correct option.

Choose the correct option.

Find the error.Once he raised(A) a hand to touch (B)the lowest of the swings that was(C) hung from the ceiling. (D)

Find the error.Not till days(A) afterward he realized(B) that it had been(C) a piece of April-foolery. (D)

Find the error.The majority(A)of students finds (B) it quite hard to live(C) on the amount of money (D) they get.

Find the error.We believe, however, (A) that two thousand million (B) years ago (C)this rare event takes place. (D)

Find the error.Such goods (A) are made for export, and(B) are seldom (C)or ever (D)used in this history.

Find the error.I saw(A) the nests that(B) the robins built both on the porch as well as (C) in the tree. (D)

Find the error.No sooner (A) did she open it when(B) her eyes suddenly became bright(C) with unshed tears. (D)

Choose the correct Synonym.ACCENTUATED 

-1,0,?,8,15,24

Choose the odd man out

If S means ‘–’ Q means ‘×’, R means ‘÷’ and P means ‘+’ then 1P44R2Q2S4=:

In a certain language, GRAPE is written as 27354 and FOUR is 1687. How is GROUP written in that code?

BAZ, DBY, FCX, ?

Problem FiguresAnswer Figures

The angle between two radii of circle which cut off on the circumference an arc equal in length to the radius, is:

A force-time graph for a linear motion is shown in fig. The segments shown are circular. The linear momentum gained between 0 and 8 second is

A force  (N) displaces a particle from A (0, 3, 2) to B (5, 1, 6). Then work done is

At which point for a projectile its kinetic energy is completely converted into potential energy 

A projectile is thrown at an angle of 30o with the horizontal has a range R₁, and attains a maximum height h1. Another projectile thrown, with the same velocity at an angle 30o with the vertical has a range R₂ and attains a maximum height h2. The relation between R₁, and R₂ is 

Which of the following is NOT an example of accelerated motion?

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 moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. What is conserved in this process?

What is rate of change of momentum when 4N force acts on a mass 2 kg for 2s

Angular speed of second’s hand of mechanical watch is

An object of weight 2N is sliding along the smooth path ACBA as shown Work done by the gravitational field when particle traverses ACBA path will be

Which of the following statements is false for a particle moving in a circle with a  constant angular speed? 

A boy runs along a straight path for the first half distance with a velocity v1 and the second half distance with a velocity v2. The mean velocity v is given by

A stone of mass ‘m’ tied to a string of length l is rotated in a circle with the other end of the string as the centre. The speed of the stone is v. If the string breaks, the stone will move:

The magnitude of instantaneous velocity is expressed by

The ratio of distance to displacement along a semi-circle of radius r is

A projectile is thrown with an angle of 45^o with x-axis such that it has a kinetic energy of 100J at the point of projection. What will be the potential energy of projectile at the highest point? 

If the tangential and centripetal accelerations are tangents and along the centre, respectively, then the resultant acceleration (a) will be

A ball is droped from a certain height and rebounces back to the same height, which one of the following graph describe this statement the best

Which of the following work is greater? 

A car comes to a skidding stop in 15 m. The force on the car due to the road is 1000 N. The work done by road on the car and car on the road, respectively, is

Four students exercise in a gym. Which student does the most work?

A force of 5 N acts on a body of weight 9.8 N. What is the accelerations produced in m sec^-2

The slope of velocity time graph gives

A body goes 10km north and 20km east. What will be displacement from initial position

Velocity – time curve for a body projected vertically upwards is

When we kick a stone, we get hurt. Due to which one of the following properties does it happen?

A particle at rest suddenly disintegrates into two particles of equal masses which start moving. The two fragments will.

Maximum range of projectile is given by

If R is the range for an angle of projection of 15o with the horizontal, then the other angle of projection for which the range is R, is

Ballistic trajectory is the path followed by projectile

A fighter plane drops a bomb when it is at the top of enemies target. Bomb misses the target due to

An object of mass 100 g is falling freely under gravity. Consider there is no air friction, then after 2 s, net force on it become 

A force F acts on a body of mass ‘m’ moving with velocity. The body will experience an acceleration  in the direction

A body moves from A to B in a straight line then in semi-circle of radius as shown in fig. What is the displacement of the body?

Which law of motion is called law of inertia? 

The speed of projectile at maximum height is half of its initial speed v its angle of projection is

If the mass of a body is doubled (keeping force is constant), then acceleration becomes.

A 2 kg mass lying on a table is displaced in the horizontal direction through 50cm. The work done by the normal reaction will be.

In the presence of air friction, the relation for free falling body is

The work done in holding a mass of 100 kg at 5m height is

A 4 kg body is thrown vertically upward from the ground with a velocity of 5 m/s. Its kinetic energy just before hitting the ground is

KE of a body of 2kg and momentum 2 Ns 

The angular velocity of the second hand in a mechanical watch is

Calculate the work done in kilo joules in lifting a mass of 10 kg (at a steady velocity) through a vertical height of 10m.

Area under force displacement curve gives

A ball of mass 1kg is released from the tower of Pisa. The kinetic energy generated in it after 10m will be:

Two particles of equal masses are revolving in circular paths of radii r1 and r2 respectively, with the same speed. The ratio of their centripetal force is

K.E of an object of 2kg having velocity  m/s will be 

In a certain situation,  and   are not equal to zero and the work done is maximum. From this, we conclude that

A ball tied to a string is swinging along a vertical circle, the tension in the string is minimum at

A body of mass m is dropped from a height h above the ground. The velocity v of the body when it has lost half its initial potential energy is given by

A wheel starts rotating from rest with angular acceleration of 2 rads^-2 till its angular speed becomes 6 rad/s. The angular displacement of the wheel will be equal to

A child riding on a large merry-go-round, travels a distance of 3000m in a circle of diameter 40m. The total angle through which she revolves is:

4 moles of H₂ react with 1 mole of O₂, the H₂O produced will be ______ moles

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

Density of a gas can be calculated by 

A solid Z melts slightly above 273 K and is a poor conductor of heat and electricity It may be 

Correct relationship that can be used to calculate C_rms 

Which of the following is NOT correct in case of kinetic theory of gases 

For one mole of an ideal gas at 273.16K, 1 atm pressure, if temperature is increased by 1K, it will absorb ________ of energy 

____________ shows the highest vapour pressure at 20^oC

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 

An atom has a net charge of –1 it has 18 electrons and 20 neutrons. Its mass number is   

Which of the following contains more protons than electrons 

Two elements X and Y have electronic configuration
X = 1s², 2s², 2p⁶, 3s², 3p⁶, 4s²   
Y = 1s², 2s², 2p⁶, 3s², 3p⁵The expected compound by combining X and Y is          

Which shape is associated with subshell designated by n = 2,  = 1

A chemical equation is balanced in accordance with the law of 

Which of the following molecules has zero dipole moment

0.25 mole of P4 molecules contains _________ atoms 

The number of Cl– ions surrounding each Na+ in NaCl crystal  

Number of moles in 240 g of Mg 

The number of molecules in 4.25g of ammonia is

Which of the following is NOT correct for 14 g of CO

Which statement is correct for combustion analysis of organic compound 

Two different hydrocarbons having same %age of carbon will have same 

The intermolecular attractive forces vary in the increasing order of 

Hydrogen bonding is NOT responsible for high boiling point of

I – I bond distance in solid iodine is 

Helium molecule is two times heavier than a hydrogen molecule. At 25^oC the average kinetic energy of helium molecule is 

At what temperature would the volume of a given mass of a gas will be twice its volume at 0^oC at constant pressure 

Number of neutrons in  will be

Which atom has as many s–electrons as p–electrons 

How many atoms are contained in one mole of sucrose (C₁₂ H₂2O₁₁) 

If we are given the mass of one substance, we can calculate the volume of the other substance this is called 

Which of the following set of quantum number values is NOT possible 

The ground state electronic configuration of the element which is iso-electronic with H₂O

The orbital diagram in which Hund’s rule is obeyed  

Which of the following contains only one element  

In stoichiometric calculations for an addition reaction, one of the reactants is taken in excess in order to ensure  

The positive rays have maximum e/m value when one of the following gas is used in discharge tube 

The correct order of enthalpy changes of sublimation (Hs), vaporization(Hv) and fusion(Hf) is

For a given mass with initial volume ‘V’, if pressure is reduced to one half and absolute temperature is increased two times. The volume will become

Van der Waal’s equation is reduced to general gas equation at 

Which one orbital is bilobed with collar   

The value of Rydberg constant is

Magnetic quantum number is related to 

The de-Broglie’s wavelength of a particle having momentum 2.2 x 10^-24 kgm/s (Planck’s constant = 6.6 x 10^-34Js)

The radius of 4th orbit is higher than first orbit by 

Which of the followings does not match 

The compound having highest lattice energy will be 

Pressure cooker reduces cooking time because 

A gas with lowest density 

Moving from 4^oC to 0^oC, the density of H₂O 

Which of following has same number of electron as –particle 

The last electron in the Na and K can be distinguished by 

The value of n = 3. What are probable values of Azimuthal quantum number ‘l’ 

Which process is common in prokaryotes and some eukaryotes without altering genetic makeup?

Which combination is right for a eukaryotic cell?

Which one is odd?

Which organelle is related to ribozymes?

Which combination is right?

Which one is not related to others?

Which one is not integral protein?

All of the following will not be processed by Golgi complex as cell secretions except?

Acidic vacuoles may be present in:

Permeability of cell membrane for transportation is due to: