Balochistan MDCAT 2011

Which of the following organelles lack a membrane in eukaryotic cells?1 Golgi Appratus2 Lysosome3 RER4 Ribosomes5 Mitochondria6 Centrosome

An axon is part of a

All of the following are found in plasma except

The percentages of nitrogen, oxygen, and carbon dioxide in exhd air are about.

A disease in which the red blood cells area attacked is

The human fetus is surrounded by

The Law of Dominance Is illustrated in the garden pea by

Process by which the number of chromosomes is reduced

The part of the spectrum in which photosynthesis is most active is

The adrenal glands are located above the

When hybrids are crossed, the genotype ratio of the offspring is

RNA is found in.

Rh blood disease can occur when a Rh-negative mother

During fermentation, the final products formed are CO2 and either lactic acid or

The-source of oxygen in photosynthesis is

A person with Type A blood may safely receive a transfusion of

The gland known as the" gland of emergency" is the

The sense of balance. is maintained with the help of the

The breathing rate is controlled by the

All of the following scientists studied cells except

The net numbers of ATP molecules formed in aerobic and anaerobic respiration, respectively are

The muscles attached to the bones are

All of the following are intermediate products of carbon fixation except

In human circulation, a part of the heart that receives blood from the rest of the body is the

All of the following hormones are produced In the alimentary canal except

A sequence of three bases on messenger RNA is called

During a heart attack. a doctor may inject

All of the following statements about white blood cells are true except

A hormone that stimulates the production of cortisone is

If a man who is color-blind marries a woman who is pure normal for color vision, the chances of their sons being color-blind are

The number of different gene combinations possible in the gametes of a trihybrid pea plant, TtYySs, is

Which of the following organelles are exclusively present in plant cells?

The nucleus contains all of the following structures except:

An enzyme is a

The passageway of the trachea is kept open by rings of

The autonomic nervous system controls all of the following activities EXCEPT:

The ectoderm develops into the

In which of the following organisms does aerobic respiration take place?I. Mammalsll. Higher green plantslll. Protozoa

Which statement concerning ribosomes is true?

The thyroid gland

Which of the following organelles are involved in ATP synthesis by oxidative phosphorylation:

Which of the following conditions arises due to the non-dysfunction of autosomes?

The hemoglobin of people with sickle-cell anemia differs from normal hemoglobin by one

Which of the following types of cell division is exclusively present in diploid cells?

Process by which chromosomes exchange materials

On a humid day, a person is uncomfortable because

The blood-group alleles (' 1 ' are for blood group

Of the following, the one that includes all the others is

In the ciortal circulation, blood flows through the

The correct sequence of steps-in the clotting of blood (1-platelet; 2-fibrin; 3- fibrinogen: 4. thrombin; 5-prothrombi n) is

A chest X ray is useful in detecting a case of

The correct sequence of stages in the menstrual

A cross in Which three-fourth of the offspring appear dominant is

Which of the following is the combination of bases that cannot be present in DNA is:

The Hardy-Weinberg principle applies to.

If a family has four children. three boys and a girl, what are the chances that the next child will be a girl?

The structure of a lipid contains all of the following EXCEPT

During replication, a portion of a DNA molecule will separate between adenine and

Because urea is a nitrogen compound, it cannot be derived from the metabolism of

A color-blind man marries a normal woman who is heterozygous for color vision. What are the chances Of their two sons being color blind?

A combination of a phosphate, a ribose, and a nitrogen base is characteristic of a

The most favorable pH for maltase action is

Green plants carry on respiration

The egg-producing structure of an animal is called the

When a chromosome duplicates, it forms a pair of

The cell of a corn plant contains a diploid number of 20 chromosomes. When it divides by mitosis. what is the number of chromosomes in each of the resulting cells?

A nerve cell that receives stimuli from the outside is known as a/an:

Which of the following statements about proteins is true?

The tube that brings urine from the kidneys to the bladder is the:

As the result of glycolysis, the three carbon molecule formed is

During the process of respiration. energy is transfered from glucose molecules to molecules of

Which of the following statements about Linnaeus's system of classification is FALSE?

A by-product of photosynthesis

The spinal card serves as the center of

Penicillin Was discovered by

Polar bodies are formed during:

Which of the followings is/are not characters of cancer cell?

The microscopic structures in the kidneys that remove wastes from the blood are

Urine leaves the body through the

If the sperm cell of a fruit fly has 4 chromosomes, then the number of chromosomes in each body cell is:

A solution has 92g ethanol, 96g methanol and 90g water. Mole fraction o water in the solution is

Which of the following has all species isoelectronic

Vinyl acetylene combines with hydrochloric acid produce

Dipole moment gives the information about?

What can effect the Magnitude of equilibdum constant K of a ieversible gaseous reaction?

Which of the following molecule has non direction bond(s

0n the basis of s-character which of the following bond is practically the strongest

Which of the following property of IIA group decreases down to the group?

For which system does the equilibrium constant Mc has unit of (concentration)-1

Ice floats on the liquid water because

Which one of the following electronic configuration represents an elements that form a simple ion with -3 charge

Which of the following is the weakest reducing agent

Which type of hybridization is present in primary carbonlum ion CH:

The common name of Propane -1,3-dioic acid is

Which of the following theory explain the formula unit of NaCI

The oxidation state of chlorine state of chlorine in NaCIO is

Tho weakest oxyacid of chlorine Is

Which of the following test can be used for distinguishing an alkane and an alkene

Which elements has higher ionization energy ?

Which molecule has the highest bond energy among the halogens

The molecules of CO2 in dry ice form

Which pair of electrons of elements will have the same chemical properties

Keeping in view the size of an atom, whichI statement is correct

Which of the following is non-directional orbital

An element having high ionization energy iind tends to be chemically in-active would most likely to be a/an:

Which of the following transition elements used as a catalyst In Haber's process

For a reaction A+2B→3C, if you start with 4 moles of A and 6 moles of B, what is the limiting reactant?

Which one among the following is not a good leaving group?

The process of fermentation involves all the enzymes except

Which of the following isotopes will have maximum deflection in magnetic field during mass spectrometric analysis

Chemical composition of cinnabar is

Quantum number values for 3p Orbitals are

Which is true about Zn-Cu Galvanic cell?

What is the'molarity of a solution when of a i'olution when 45g of glucose is present in 500cm2 of solution

Rate of evaporation of a liquid does not depend on

The Cell in which electrical energy is converted into chemical energy is

WhIch of the following ls less soluble in water

Which one of the following compound is not hoterocylic ?

The most paramagnetic elements is

The radius of fluorine atom is 72pm end that of the fluoride ion (F) is

Which statement is incorrect about reactivity of alkyl halides

Which one does not exhibit aldol condensation

Which Specie has unpaired electrons in anti bonding molecular orbitals

Stronger is the oxidizing agent, greater is the

What is required other than anhydrous ALCL3, When toluene is prepared by friedal craft reaction?

The unit of rate constant for third order reaction is:

The most reactive allotropic form of phosphorus is

The preparation of H2SO4 by contact process is an example of

The number of grams of NaOH are present in 500 cm3 of 0.1M NaOH

Which one does not give borax bead test

In the complex [Cr(OH)3(H2O)3], the coordination number is

Which of the following in pseudo solid

The place between two orbitals where probability for finding the electron is zero known as

The shape of H2O+ is

The hybridization of 'P' in PCI5 is

In 1-pentene yne the carbon number 1,2,3 exhibit hybridization, respective

When benzene is heated in air with V2O5 at 450° C Yields

The Colour of Mn+ is

Which of the following can be used in laptops?

In a reaction Zn + HNO3 -> Zn(NO4), + NO + H2O

Questions 116/117 and 118 refer to the circuit shown above. A 50-volt battery supplies 100 watts of power to each of the two identical Light Bulbs. The current passing through bulb 1 is 4 A.The current through bulb 2 is

How much energy does a 2,400 -watt micro wave oven use in 3 minute?

The time of one vibration of a simple pendulum may be decreased by

Which of the following is NOT an Isotope of uranium?

Two heating coils, X and V. are each connected to a 120-volt direct current. The resistance of X is twice that of Y.The rate at which X produces heat is

The pages of this book are visible because they

The energy transferred between two bodies due to a temperature difference Is called

The half-life of a particular element is 6 days What percent of the original sample of the element remains after 24 days?

The current through the 4 Ω resistor is

An ohm Is defined as one-volt per ampere and an ampere is a coulomb per second. A farad, the unit for capacitance, is a coulomb per volt. An ohm times a farad is a unit of

The potential difference across the copper

Which of the following equations best states the relationship between a material's coefficient of volume expansion due to heating, 6, and its coefficient of linear expansion, a?

The voltage across the 4Ω resistor is

The photoelectric effect is best explained by the

Which of the following types of electromagetic radiation has the longest wavelength?

Assume that you have a coil of copper wire whose resistance is 100 ohms. To obtain a coil of copper wire with.less resistance which of the following may you use?I. Copper wire that has the same length but is thickerII Copper wire that has the same thickness but is shorterIll. Copper wire that is thicker and shorter, thinner and longer.lV. Copper wire that is

The resistance of each bulb is most nearly

The diagram below represents two equal negative point charges be zero?

Of the following, the particle whose mass is closest of that of the neutron is the

The electric field strength at a point some distance away from a source charge depends on all of the following:

Questions 116/117 and 118 refer to the circuit shown above. A 50-volt battery supplies 100 watts of power to each of the two identical Light Bulbs. The current passing through bulb 1 is 4 A.The voltmeter across bulb 1 will read

If a rotating amusement park ride completes 6 revolution in one minute, It frequency of rotation is

Which of the following particles, all moving with the same velocity will have the longest de Broglie wavelength?

As the loop rotates, the induced voltage will be maximum

The induced voltage will NOT be decreased by during each of the following EXCEPT

A person who is moving parallel to the charge and at the same velocity as the charge will measure

A series -of alternate bright and dark bands of Het appear on a screen .what most likely caused this pattern on the screen?

Which of the properties change when a wave is refracted ?I. Speedll. wavelengthlll. frequency

The device connected to the battery is generally called a

If the average speed of the molecules of an ideal gas Is doubled the temperature of to the gas

A positive charge Is moving with constant speed at right angles to a uniform magnetic field, If the speed of the charge were doubled, the force exerted on the particle by the magnetic field would be

According to electromagnetic theory Lenz's law can be explained best by which of the following laws of physics?

A 60-watt, 110-volt tungsten filament lamp is operated on 120 volts, which of the following statements regarding the lamp is (are)true?I. It will consume more than 60 watts while operatingII. It will have a lower resistance than at 110 volts.lll. It will be brighter than at 110 volts.IV. It will burn out after operating 1/2 hour or less.

Which of the above partides would follow the path shown below while moving through the magnetic field?

Which of the following statements is (are)correct about the photoelectric effect?I. The number of electrons emitted is independent of the Intensity of the incident light.ll. The stopping potential decreases with increased frequency.lll. In a graph of maximum kinetic energy versus incident frequency, all metals have different threshold frequencies, but all have the same slope.IV. The maximum kinetic energy of the emitted electrons is independent of the emitted electrons is Independent of the intensity of the incident light.

Which of the above choices Is NOT constant throughout the flight of the projectile ?

The current through the copper is

To make an ammeter, you need a galvanometer and a resistor, specifically, you should

Two heating coils, X and V. are each connected to a 120-volt direct current. The resistance of X is twice that of Y.The current through X is

Which of the above occurs when two waves that are in phase with each other meet at the same time in the same medium?

If you had worked hard, you ______ the examination last year.

Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of tint part is the answer. If there is no error, the answer is D (ignore the errors of punctuation, if any).I shall certainly,write you when shall reach home

Complete the sentences with appropriate word(s)A rolling stone _________ no moss

Fill in the blanks witppropriate words.What is time ____________ your watch?

Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of tint part is the answer. If there is no error, the answer is D (ignore the errors of punctuation, if any).When the dentist came in my tooth was stopped aching out of fear that I might lose my tooth.

Find out the synonym:RARELY

Unless you _________ hard, you cannot succeed.

Fill in the blanks witppropriate words.The rain prevented me _______ reaching the college.

Find out the synonym:QUERY

Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of tint part is the answer. If there is no error, the answer is D (ignore the errors of punctuation, if any).Sixty miles are a good distance

All the students except All _________ present.

Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of tint part is the answer. If there is no error, the answer is D (ignore the errors of punctuation, if any).The students were awaiting for the arrival of the chief guest

Find out the synonym:VULNERABL

Find out the synonym:SUBSEQUENT

Fill in the blanks witppropriate words.He is suffering _________ malaria.

Find out the synonym:RELUCTANT

Fill in the blanks with appropriate words.He is travelling _____ road

The clerks ________ on strike since Monday.

Fill in the blanks witppropriate words.Horatio was loyal _______ hamlet

Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of tint part is the answer. If there is no error, the answer is D (ignore the errors of punctuation, if any).Shanghai is bigger than any city of the world