Which of the following is present in both intestinal and pancreatic exocrine secretions?

Which of the following inhibits gastric secretions?

Cartilage is not the structural component of which of the following?

Which of the following part of respiratory system is preceded by alveolar duct?

Which of the following is the chief form of CO₂ transport in the blood of humans?

The accumulation of lipids in brain caused _____ disease:

Which of the following is true for human heart?

In the resting state of neural membrane, diffusion due to concentration gradient will drive:

Parkinson’s disease is associated with the deficiency of:

Sperms travel in all of the following except:

Cervix is present between:

The oogenesis in human female starts:

A mononucleated muscle fiber having spontaneous contractions and irregular striations would be present in:

Which of the following events will occur in muscle contraction according to sliding filament model

Which of the following glands is directly involved in regulating the basal metabolic rate?

Under-secretion of which of the following hormones causes muscular tetany?

The type of immunity which is rapid but short lived:

B cells are formed in bone marrow and they mature in:

Which of the following structures is not present in a prokaryotic cell?

All of the following are not commonly found in most of the plant cells except:

Bones present in adult man:

In spermatogenesis _____ process occurs:

In which phase of cell cycle neuron cell enters after maturation?

All of the following can easily pass-through cell membrane except:

Which of the following functions is not performed by cell membrane?

The major biomolecule responsible for the selective uptake of materials across plasma membrane is:

Which of the following chemical component has the greatest contribution in a mammalian cell weight?

Which of the following bonds provides stability to complex carbohydrate molecules?

Lactose is a disaccharide consisting of:

In maltose the linkage is:

Which of the following is aldo-triose?

Total number of peptide bonds present in a molecule of insulin:

Which of the following is a phospholipid?

Which of the following correctly describes the composition of ATP?

Which of the following terms include all others?

Which of the following conjugated molecule plays an important role in gene expression?

Which of the following viruses is transmitted by feco-oral route?

Which of the following structures in plant cell is largest in size?

Which of the following infections is not caused by bacteria or virus?

Infectious molecules of RNA that lack capsids and associated proteins are called:

Which of the following is found in fungal cell wall?

Resistance genes are found on:

The contractions of heart are initiated by:

Skeleton of sponges is produced by:

Which of the following animal has radial symmetry, is diploblastic, polymorph and marine?

The most primitive animal among the following to develop ganglia and sense organs:

Which of the following systems will be absent in Aschelminthes?

The round worm which causes anemia:

Which of the following is a copper containing protein among electron carriers?

Which of the following events does not take place during cyclic phosphorylation?

Total number of ATPs and NADPH required respectively for the generation of 10 molecules of glucose from Calvin cycle?

NADH is formed in all of the following conversions except:

In eukaryotic gene cloning the synthesis of cDNA on a mRNA template is being carried out by an enzyme, which is obtained from:

Which of the following enzyme required for the maturation of lymphocytes?

Which of the following is not a DNA nitrogenous base?

The plasmid pSC101 has antibiotic resistant gene for:

Which of the following pathogens primarily infects the wall of small intestine?

Which of the following diseases is transmitted by an arthropod?

Vaccination is not available for which of the following infectious diseases?

What is the probability of a hemophilic son of a normal man (whose father was hemophilic) and a carrier woman?

Gender determining individual in Human is ___________:

Kitchen of cell is:

During translation the formation of peptide bond between two adjacent amino acids is catalyzed by:

Which of the following is conductive cell?

Select the one which is cold blooded:

Spinal nerves are __________ in number:

Numbers of bones which form right palm region are ________:

Determine the number of moles of O₂ in 10.6g of Na₂CO₃

K_sp values of four salts are given, which is more soluble in water

Consider the following reaction at 25^oC, (CH₃)₃COH(l) + HCl(aq) → (CH₃)₃CCl(l) + H₂O(l) The experimentally determined rate law for this reaction indicates that the reaction is first-order in (CH₃)₃COH and that the reaction is pseudo first-order overall Which of the following would produce an increase in the rate of this reaction?

Reaction of water with quick lime result in the rise in the temperature of the system. Using the concept of energy change, indicate the nature of the reaction?

The oxidation potential of Mg and Al are +2.37 V and +1.66 V respectively. Mg in the chemical reaction:

The IUPAC name of the following compound is

Consider the following statement:

I. The unit of relative atomic mass is atomic mass unit.

II. Empirical formula can be determined by combustion analysis for those compounds which have C, H and O in them.

III. 1 mole of glucose has 6NA atoms of carbon, 6NA atoms of oxygen and 12NA atoms of hydrogen.

IV. Stoichiometric calculations can be performed only when law of conservation of mass and law of definite proportion are obeyed.

Which of the above given statements is/are correct?

Enthalpy is an expression for the:

Following graph shows a physical property along the period 3 elements. Which physical property is shown in the graph?

Which one of the following characteristics of the transition metals is associated with their catalytic activity?

Which of the following reagents will react with methyl group rather than the benzene ring in methylbenzene?

Which one of the following is the best name according to IUPAC system for the formula given?

Which one of the following compounds will be most readily attacked by an electrophile?

Phosphoproteins comes under the type of protein

The charge to mass ratio (e/m) of positive particles is:

Which one of the following is more volatile?

A positive cell potential indicates that:

Which one has highest ionization energy

Order of esterification of alcohols is

Which one of the following compounds will give iodoform test on treatment with aqueous iodine?

If we increase pressure in decomposition of PCl₅ will favour the reaction in

Which one of the followings has same number of molecules as present in 11g of CO₂?

An energy diagram is show

What is activation energy for the exothermic reverse reaction?

Formula of Tetraammine chloronitro-platinum (IV) sulphate is:

Intermediate product formed when propanoyl chloride reacts with benzene is

The phenoxide is more stable than ethoxide ion because:

Select the reagent X from the following choices for this conversion:

Identify the incorrect statement about isotopes of an element:

“No two electrons in an atom can have same set of four identical quantum numbers.” It is the statement of:

Mark the correct statement:

Ca(OH)₂ is sparing soluble having solubility value 32 x 10^-6. What will be its solubility?

The rate laws for certain enzyme-activated reactions in your body has a specific rate constant (K), with units of moldm^-3s^-1. What is the overall order of these reactions?

50cm³ of 1.0M HCl is mixed with 50cm³ of 1.00M NaOH in a glass calorimeter. The temperature of the resultant mixture increases from 21.0^oC to 26.0^oC. Assume that calorimeter losses are negligible. Calculate the enthalpy change mole^–1 for the reactions. The density of solution to be considered is 1gcm³ and specific heat is (supposed 4.0 Jg^–1 K^–1)

The following sketch shows the variation in a physical property of third period elements against their atom numbers:

What physical property is plotted in this sketch?

Among the following species, identify the isostructural pairs, NF₃,NO^-₃,BF₃,H₃O⁺,NH₃

56g of N₂ will at STP occupy the volume of:

Self-ionization of water is H-OH ⇌ H⁺ + OH^–. If strong base is added to water at given temperature, water will be basic and its K_c will

The E^o value of standard copper half cell is +0.34V, which is measured when it is connected with SHE i.e. standard hydrogen electrode. In this case the half reaction taking place at SHE is:

ℼ bonds are produced by overlapping of orbitals:

Which reagent is responsible for the conversion of ketone to secondary alcohol?

The decrease in the solubility of an electrolyte in a solution by adding another electrolyte having common ion is called common ion effect. Common ion effect has all of the following characteristic properties EXCEPT:

Under vacuum, boiling point of glycerin decreases to at 50 torr:

Which one of the following does not affect the rate of reaction?

The order of reaction may be determined by:

Each period in the periodic table starts with a subshell of a new shell and ends with:

For endothermic reaction, the minimum value for the energy of activation will be:

Most of the transition elements act as good catalyst due to:

Consider the following statements for a functional group:

I. It serves as a basis for nomenclature of organic compounds

II. It serves to classify organic compounds into different classes

III. It is a site of chemical reaction

Which of the above statement is/are correct for a functional group?

Sodium phenoixde on treating with hydrochloric acids yields:

Ethanoic acid has a pKa of 4.7. Which one will have higher pKa value than ethanoic acid?

In Adipic acid, HOOC(CH₂)_n COOH, n is equal to

There are two compounds ‘A’ and ‘B’, both compounds react with liquid bromine. The compound B when reacts with liquid bromine, it produces white coloured precipitates. The compound ‘A’ and ‘B’ are respectively

Which derivative of carboxylic acid is least reactive towards nucleophile

Which specie among the following has smallest size

Which of the following is a one dimensional motion?

Work done in raising a box depends on:

A wheel initially has an angular velocity of 36 rad s^-1 but after 6.0 its angular velocity is 24 rad s^-1. If its angular acceleration is constant its value is:

The velocity of waves in a string fixed at both ends is 2 m s^-1. The string forms standing waves with nodes 5.0 cm apart. The frequency of vibration of the string in Hz is:

If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

Temperature is a measure of coldness or hotness of an object. This definition is based on:

During the adiabatic expansion of 2 moles of a gas, the internal energy was found to have decreased by 100 J. The work done by the gas in this process is:

Two small charged objects attract each other with a force F when separated by a distance d. If the charge on each object is reduced to one-fourth of its original value and the distance between them is reduced to d/2, the force becomes:

If a proton, deuteron and α-particle on being accelerated by the same potential difference enters perpendicular to the magnetic field, then the ratio of their kinetic energies is:

The north pole of a magnet is brought near a metallic ring. The direction of the induced current in the ring will be:

In the following figure what happens for the positive half cycle of the input?

A step up transformer has transformation ratio 5:3. What is voltage in secondary if voltage in primary is 60 V:

The energy of a photon of wavelength 450 nm is:

What is the stopping potential when the metal with work function 0.6 eV is illuminated with the light of 2 eV?

During a “β” emission the ratio of the number of protons to neutrons:

The displacement-time graph for two particles A and B are straight lines inclined at angles of 30º and 60º with the time axis. The ratio of velocities v_A:v_B is:

A heavy ball falls freely, starting from rest. Between the third and fourth second of time it travels a distance of:

The horizontal range is four times the maximum height attained by a projectile. The angle of projection is:

The kinetic energy of a body of mass 3 kg and momentum 2 N s is:

A car moving on a horizontal road may be thrown out of the road in taking a turn:

If you set up the sixth harmonic on a string fixed at both ends how many nodes and antinodes are set up in it:

Heat is not being exchanged in a body. If its internal energy is increased, then:

Which is the correct statement?

Of the following, the copper conductor that has the most resistance is:

Suppose the electric company charges 20 rupees per kWh. How much does it cost to use a 125 W lamb 8 hours a day for 30 days?

The radius of curvature of the path of the charged particle is a uniform magnetic field is directly proportional to:

The device that works on the principle of mutual induction:

Which of the following is dependent on the intensity of incident radiation in a photoelectric experiment?

Which of the transitions in hydrogen atom emits a photon of lowest frequency?

The mean life of a radioactive element is 1 year. Then its half-life (in years) is:

Hydrogen atom produces:

If v is the speed of sound at pressure P then speed of sound at pressure 3P, keeping temperature constant, will be:

If length of wire is tripled and area of cross section is halved, then the resistivity of the wire becomes:

In case of an alternating current generator with its coil rotating at frequency f, the current alternates its direction:

Two bodies of equal masses revolve in circular orbits of radii in ratio 1:2 and frequencies in ratio 2:3. Their centripetal forces are in the ratio:

Calculate the energy of a photon of frequency 3.0 x 10¹⁵ Hz. (h = 6.63 x 10^-34):

An object is moving along a circular path of diameter 8 m. What will be its angular displacement if it moves 18 m on this circular path?

A gas is compressed at a constant pressure of 60 N m^-2 from 10 m³ to a volume of 5 m³. Energy of 200 J is then added to the gas by heating. Its internal energy is:

Potential difference of a cell in an open circuit is 16 volt but it falls to 11 volt when a current of 3 A is drawn from it. The internal resistance of the cell is:

The direction of current through the load resistance of a full-wave rectification circuit:

The velocity of projection of an oblique projectile is $$\overrightarrow{v}$$ =5ˆi + 4ˆj (m s^-1). The speed of the projectile at the highest point of the trajectory is:

A coil of area 100 cm² has 1000 turns. Magnetic field of 0.1 Wb/m² is perpendicular to the coil. The field is reduced to zero in 0.01 second. The induced emf in the coil is?

When the velocity of body is increasing with time then there is:

Angle swept by minute hand in one minute is:

A scattered X-ray photon in Compton’s effect has:

Which of the following is increasing speed graph?

If RBE = 15 and De = 750 rem, then absorbed dose D is:

Three resistances each having value ‘R’ are connected as shown in figure. What is the equivalent resistance between ‘X’ and ‘Y’?

A rod of length 25 cm is moving with a speed of 40 m s^-1 in a uniform magnetic field of 0.2 T. The magnetic field is perpendicular to the rod and the direction of motion of the rod. The induced e.m.f across the ends of the rod is:

In the relation λ x T_1/2=0.693 , if decay constant of an element A is greater than decay constant of another element B then:

An external agency carries -5 μC of charge from infinity to a point in an electrostatic field and performs 25 joule of work. The potential at the given point is:

A child is swinging a swing. He is 0.5 m above the ground at the lowest position. The highest position is at 3.5 m from the ground. If g=10 m s^-2, then the velocity of the child at the lowest position of the swing is:

In half wave rectifier, if the time period of input A.C is 60 ms, then the frequency of ripple at output in hertz is:

The velocity of a body travelling with a uniform acceleration of 3 m s^-2 is 10 m s^-1. What is its velocity after a time interval of 5 s?

Spot the ERROR:

The leaves fell as yellow rain drops to the ground.

Spot the ERROR:

It happened that one of the animals entered into a melon field, and a melon stuck in its throat.

Spot the ERROR:

I came to the country and they are wonderful friendly, and they let me see the great ceremony.

Spot the ERROR:

The lady bent down enough to permit him stoop and pick up her purse.

Spot the ERROR:

The child was fully dressed and sitting in her father’s lap near the kitchen table.

Spot the ERROR:

Instantly the melon broke in the throat of the camel, and it was then easily swollen.

Spot the ERROR:

It’s sweet pungent smell lingered in the village lanes whenever he walked in between them.

Choose the correct sentence:

Choose the correct sentence.

Choose the correct sentence.

Choose the correct sentence.

Choose the correct sentence.

As Aliya _____ the eldest child, she _____ look after the other children.

Those ______could not afford pleasure inside were content to gaze at the lights.

Some tribes still inhabit ______the more remote mountains and jungles of the country.

Choose the correct sentence.

Choose the correct sentence.

Choose the correct sentence.

Statements:

All aeroplanes are trains. Some trains are chairs.

Conclusions:

I. Some aeroplanes are chairs.

II. Some chairs are aeroplanes.

III. Some chairs are trains.

IV. Some trains are aeroplanes

Anam, Mehwish Raju, Laraib and Dua are five cousins. Anam is twice as old as Mehwish. Raju is half the age Mehwish. Anam is half the age of Dua and Raju is twice the age of Laraib.

Whos is the eldest?

In the overall economy of Pakistan, agriculture is the largest sector of economic activity. It plays a crucial role in the country's economic development by providing food to its people and raw materials to industry. It accounts for the largest share to the national income. The share of the various agricultural commodities, animal husbandry and ancillary activities has been more than 40 percent since independence. During the decade of the fifties, it actually contributed about half of the national output.

Agriculture is the mainstay of Pakistan economy.

Statement:

Many medical and engineering graduates are taking up jobs in administrative services and in banks.

Courses of action:

I) All the professionals should be advised to refrain from taking up such jobs.

II) The government should appoint a committee to find out the reasons for these professionals taking up such jobs and to suggest remedial measures.

I. Heavy rains totally flooded the area.

II. Residents of the area have been moved temporarily to other parts of the city.