Sindh MCAT NTS 2016 DUHS and JSMU

Optimum pH for action of pepsin and salivary amylase is

The condition due to loss of appetite for food is termed as:

One type of congenital heart defect is called atrial septal defect (ASD) where the left and right atria are not completely separated. ASD usually results in blood moving from the left atrium into the right atrium. This will cause increased blood pressure in the right atrium and decreased blood pressure in the left atrium. Which of the following rows describes the other effects of ASD on blood pressure and oxygenation?

Leukaemia is associated with an increased number of _____ in blood:

Scurvy is caused by deficiency of vitamin ______.

The diagram shows an apparatus set up to investigate the effect of changing the concentration of glucose in the surrounding solution on the movement of molecules through a selectively permeable membrane (Visking tubing) in 15 minutes. As the concentration of glucose solution in the surrounding solution increases, which of the following statements are correct? Net diffusion of water increases. Glucose molecules reach an equilibrium quicker. There is less change in the volume of the surrounding solution. Net diffusion of glucose increases.

Cell X contains 24 chromosomes. It divides by mitosis to produce cells Y and Z. How many chromosomes does cell Z contain?

Part of the amino acid sequences in normal and sickle cell hemoglobin are shown. Normal haemoglobin (Thr - pro - glu - glu)Sickle cell haemoglobin (thr - pro - val - glu)The mRNA codons for these amino acids are Glutamine (glu) GAA GAG, Threonine (thr) ACU ACC, Proline (pro) CCU CCC,Valine (val) GUA GUG. Which transfer RNA molecule is Involved in the formation of this part of the sickle cell haemoglobin?

Match the parts of the human brain listed under Column I with the functions given under Column II. Choose the answer which gives the correct combination of alphabets of the two columns.

The diagram shows some of the organs of the human body. In which organs does the digestion of carbohydrates take place?

The family tree shows the inheritance of the ability to taste a certain substance. The allele for the ability to taste this substance is dominant to the allele for the inability to taste it. What percentage of children of Pasha and Hina would be ‘non-tasters’?

Which of the following are animals with pointed ends and a tube-like digestive tract?

Which row correctly shows the areas of the gas exchange system that contain cartilage, ciliated epithelium and goblet cells?

Movement of ions and large molecules with the help of protein molecules in and out of the cell is called _________

Which of the following enzymes are used to join bits of DNA?

RuBP + O2 ---Rubisco---> PGA + _______ .

Where does the Calvin Cycle occur?

The first step in nitrogen cycle is:

Which of the following correctly describes the thermoregulation in hot temperature?

Molluscs have an exoskeleton made up of:

During which stage of meiosis do centromeres divide?

Five words are shown below:Labium, Maxillae, Labrum, Mandibles and AntennaeThese words can be used in the spaces P, Q, R, S, and T to complete the sentence below.Cockroaches are omnivorous and can eat any kind of organic matter. They search for their food by their ..P.. Their digestive system is tubular, having a straight slightly coiled digestive tube opening at both the ends. Hence, the digestive system is complete. The mouth lies at the base of the pre-oral cavity which is bounded by the mouth parts, ..Q.. (upper lip), ..R.. (lower lip), mandibles, and maxillae. The ..S.. pick up and bring food to the ..T.. for mastication.

Inheritance of acquired characteristics is based on:

Which of the following statements correctly describes homologous chromosomes?

Match the hormones listed under column I with their functions listed under the column. Choose the answer which gives the correct combination of the alphabets of the II columns.

Pseudopodia are:

Phenylketonuria is

The dark reactions of photosynthesis are characterized by:

Two animals are mated. One is homozygous dominant for one character and homozygous recessive for another. The other animal Is heterozygous for both characters. How many phenotypes are expected in the offspring of this cross?

Which diagram illustrates the distribution of sodium and potassium ions in a section of a non - myelinated axon which is at resting potential?

The radius of the third Bohr orbit is:

Which structures show primary alcohol that cannot be dehydrated to form an alkene? CH3OH CH3CH2OH CH3CH(OH)CH3

If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:

Which of the following elements is needed to add in the given diagram to make it aromatic benzene?

The internal energy of an ideal gas depends upon its:

For which mechanism the first step involved is the same?

What volume in dm3 of KCl is obtained in the following equation if the volume of KCIO3 at the beginning of the reaction is 20 dm3? 2KClO3 → 2KCl + 3O2

At the end of the periodic table _____ are found.

Common name of Octadecanoic acid is:

A sample of gas weighs 1.25 g, at 28 C occupying a volume of 2.50 x 102 ml and its pressure is 715 torr. What is the molar mass in grams?

Consider the following reactionN2 (g) + O2 (g) < - > 2NO (g) Kc - 0.1 at 2000 CIf the original concentration of N2 and O2 were 0.1 M each. Calculate the concentrations of NO at equilibrium.

Which of the following has the maximum number of unpaired d electrons?

J.J Thomson determined the:

An example of a solution not in equilibrium is:

A catalyst:

Which one of the following has the lowest % ionic character?

Which one of the following is most abundant in the earth crust?

CH3CH2CH2COCH3 is the functional isomer of:

IUPAC name of this is (CH3)2 - CH - CH (C2H5) - C(CH3)3 :

Metaboric acid when heated produces:

The change in concentration of reactant or product per unit time is called:

The geometry of H₂S and its dipole moment are:

Which one is not a monosaccharide?

All are dehydrating agents for alcohols to produce alkene except:

All are enzymes involved in fermentation process except one:

The ground state of an atom corresponds to a state of :

Amylopectin has ______ linkage.

Two bodies 'X' and 'Y' are attached to the ends of a string which passes over a pulley so that the two bodies hang vertically. If the mass of the body 'X' is 10 kg and that of 'Y' is 9.8 kg. Find the acceleration? (g = 9.8 m/s2)

Two capacitors C₁ ( 12 uf ) and C₂ (24 uf) are in series connected across a 360 volts d.c. supply. Calculate the charges on C₁ and C₂ respectively.

A handball is tossed vertically upward with a velocity of 19.6 m/s. Approximately how high will it rise?

In an npn transistor, the current that flows in the emitter circuit is:

Gamma rays are emitted from nuclei of radioactive atoms. They are nothing but:

Five words are shown below:Farthest Universe Spontaneously Photon InfiniteThese words can be used in the spaces P, Q, R, S, and T to complete the sentences below.The ___P____ is a stable particle and therefore it does not decay ___Q___ into any other particle. Its lifetime is, therefore, ____R____ so long it does not undergo interaction with other particles, and is why photons are supposed to be reaching our earth from ___S____ distances of the universe. Thus most of our information regarding the ___T____ is carried by photons.

When a 7000 N elevator moves from street level to the top of a building 300 m above the street level, what is the change in gravitational potential energy?

Identify the schematic representation of Fission Process from the following options?

Upon signal of starting the race, the athlete starts from rest with a constant acceleration of 8 m/s2. At the same time, a cyclist traveling at a constant speed of 72 km/h passes the athlete. How far beyond the starting point will the athlete overtake the cyclist and what will be the speed of the athlete at the time when it overtakes the cyclist respectively?

According to Bohr’s theory of the Hydrogen atom, only those atomic orbits with radii ‘r’ and atomic shell ‘n’ around the nucleus are allowed which have the angular moments:

Minimum frequency below which no electrons are emitted from the metal surface is called ______ frequency.

When a transformer is connected to 120-volt ac, it supplies 3000 V to a device. The current through the secondary winding then is o.06 A and the current through the primary is 2 A. The number of turns in the primary winding is 400. The number of turns in the secondary winding is:

The resistivity in SI units is measured in:

What will be the position of the object, when a convex lens of focal length 20 cm, is used to form an erect image which is twice as large as the object.

A 400 gram ball is tied to the end of a cord and whirled in à horizontal circle of radius 0.6 m. If the ball makes five complete revolutions in 2 s, what is the ball's linear speed?

Find the gravitational force of attraction between two balls each weighing 10 kg, when placed at a distance of 1 meter apart.

An object whose mass is 100 g starts from rest and moves with constant acceleration of 20 cm/s2. At the end of 8 s its momentum is ____ in g cm/s.

Find the heat transferred to or from the system when a thermodynamics system undergoes a process in which its internal energy decreases by 300 J. If at the same time, 120 J of work is done by the system.

A stone is thrown horizontally from 2.4 m above the ground at 35 m/s. The wall is 14 m away and 1 m high. At what height will the stone reach when at the wall? Where will the stone land?

All the heat supplied to a system is converted into work in the ______ process.

A 3-cm length of wire is moved at right angles across a uniform magnetic field with a speed of 2.0 m/s . If the flux density is 5.0 teslas, what is the magnitude of the induced e.m.f?

What will be the energy in Joules, when an electron acquires a speed of 10 m/s?

Shape of the orbital occupied by an electron is defined by:

What is the projection of E = 2i-3j+6k onto the direction of vector F=i+2j+2k?

In photodiodes, the bias voltage is applied in ______ bias form.

During the process of nuclear disintegration, when beta particle emission occurs, atomic no. of the atom changes by _____ and the mass number changes by ______.

One kilowatt - hour is equivalent to a factor ____ in Joules.

Complete the sentences by choosing the most appropriate option, from the given lettered choices (A to D) below each. The recent discoveries of medical science have_______ life and health to millions of people.

Choose the lettered word or phrase that is most nearly opposite in meaning to the word in capital letters.GLOOMY:

Choose the word most similar in meaning to the capitalized one.WICKED:

Choose the word most similar in meaning to the capitalized one. PREVENT:

Identify the word or phrase that needs to be changed for the sentence to be correct:

Complete the sentences by choosing the most appropriate option, from the given lettered choices (A to D) below each.The doctor is going ______ vaccinate me tomorrow.

Choose the lettered word or phrase that is most nearly opposite in meaning to the word in capital letters.DEMONSTRATE:

Read the passage to answer the question:The names of three men - an Englishman, a German, and an Italian stand out from the many who have opened up for us this new path of progress: James Clerk Maxwell, Heinrich Hertz, and Guglielmo Marconi Maxwell prophesied wireless, discovering its principles. Hertz discovered and demonstrated those waves which are its secret, and Marconi invented the instruments which put these ideas to practical use. A crowd of other brilliant men have made their different contributions. Sir Oliver Lodge came very near to doing what Marconi did; indeed, a year before Marconi invented his instrument, Lodge demonstrated the possibility of sending a signal by these Hertzian waves but turned aside under pressure from other work. Professor Righi, Marconi's science master, experimented in the laboratory and showed young Marconi the potentialities Oliver Heaviside, the English telegraphic engineer, subsequently revealed to us the amazing fact that these wireless waves are thrown back to the earth from the two curious 'mirrors' which, moving in the depth of the sky hundreds of miles from the surface of the earth, act as a kind of double sounding board. These are but a few of the men whose work all over the earth has brought the miracle of wireless to its present stage. But the three names stand pre-eminent.Which of the following is mentioned in the paragraph as the contribution of Heinrich Hertz?

Read the passage to answer the question:The names of three men - an Englishman, a German, and an Italian stand out from the many who have opened up for us this new path of progress: James Clerk Maxwell, Heinrich Hertz, and Guglielmo Marconi Maxwell prophesied wireless, discovering its principles. Hertz discovered and demonstrated those waves which are its secret, and Marconi invented the instruments which put these ideas to practical use. A crowd of other brilliant men have made their different contributions. Sir Oliver Lodge came very near to doing what Marconi did; indeed, a year before Marconi invented his instrument, Lodge demonstrated the possibility of sending a signal by these Hertzian waves but turned aside under pressure from other work. Professor Righi, Marconi's science master, experimented in the laboratory and showed young Marconi the potentialities Oliver Heaviside, the English telegraphic engineer, subsequently revealed to us the amazing fact that these wireless waves are thrown back to the earth from the two curious 'mirrors' which, moving in the depth of the sky hundreds of miles from the surface of the earth, act as a kind of double sounding board. These are but a few of the men whose work all over the earth has brought the miracle of wireless to its present stage. But the three names stand pre-eminent.Which of the following could be the best title of the paragraph?

Police Officers _ to the theater and every nook and corner completely checked.