PMC Practice Test 5 2021

Among the followings which is the longest supportive cell?

Proteins are polymers of:

In the first reaction of catabolism, ______ free the ________.

Which of these acts as a relay centre connecting the hindbrain with the forebrain?

The types of gametes produced by two pairs of chromosomes can be?

The stretch reflex, the Golgi tendon reflex, the crossed extensor reflex, and the withdrawal reflex are included in:

The fibrous connective tissue which attaches muscle to a bone is called:

The best definition of natural selection is:

Cytochrome c reduces which coenzyme in the ETC?

Which of the following is soluble in hot water?

Amoeboid movements and movement of cyclosis is due to?

As long as two species occupy different niches, there is:

Which of the following is made up of an afferent pathway from a receptor and an efferent pathway to an effector?

The sperm duct opens into which of the following?

The first human hormone that was produced by recombinant DNA technology was:

The number of models that represent the enzyme-substrate model are?

Muscles are composed of:

The total number of amino acids that have been found in tissues and cells are?

Under the microscope, the bacteria appear a bluish-purple color. Which class of bacteria are on the slide?

It is suspected that this cell is prokaryotic. The presence of which of these cell structures would confirm that the cell is prokaryotic?

A pea plant with yellow seeds was crossed to a plant having green seeds. What will happen in the F1 generation; if the plants are true breeding?

The most abundant intracellular free nucleotide is:

The optimal pH for the working of enzymes is?

The trachea is also termed as the:

In the plants, there are 50 or more thylakoids piled upon each other to form?

What is critical in photoperiodism?

The type of plastids found in the roots of plants are ________.

Which of the following statements correctly describes the tobacco mosaic virus (TMV)?

A motor neuron and all the muscle fibers it supplies is called a(n) _______.

The genetically engineered vaccine is available for which of the following hepatitis virus?

Edward Jenner began inoculating humans with material from lesions caused by which disease?

Which of the following is not associated with the process of respiration?

Which of the following is true about skeletal muscle fibres?

A type of bacterial cell that is completely surrounded by flagella is called:

When were bacteriophages discovered by Twort?

From the following options, which one is non-cellular in most cases in animals?

Which statement correctly outlines some of the main events in photosynthesis?

In uncompetitive inhibition, the inhibitor binds with:

Sycon is an example of:

From one pyruvate passing through Kreb’s cycle, how many NADH are formed?

The darker, outer portion of the brain is called:

Pinworm is a common name used for which of the following?

Which of the following are modern-day descends of theropod dinosaurs?

The proximal part of the oviduct is significant because:

Which pigment protein is also known as muscle hemoglobin?

Which of the following enzymes present in yeast helps out in fermentation?

The membrane of vacuole is called:

In photosynthesis, the dark reaction is called so because:

Which one of the following is not a double membranous structure?

The sex pili is formed in which of the following processes?

A cell without a cell wall is termed as?

Glucose is converted into ethanol by the _______ enzyme present in yeast.

If the thoracic wall but not lungs, is punctured then:

Radula is a characteristic feature of:

A long polypeptide that is cut up to generate several small proteins is:

Chitinous Setae are the locomotory organs of annelids which are present on?

When a hemophilia carrier woman marries a normal man, who among her offspring may be affected:

Which of these structures transports sperm from the testis to the penis?

Which of the following statements about chordates is true?

Lecithin contains _______.

Porcupine is a mammal because:

What do the two peaks in the action spectrum represent?

In peas, the gene for yellow color (C) is dominant to the gene for green color (c). To determine the genotype of an unknown yellow pea, what kind of pea should you cross with it?

The central nervous system consists of:

Which of the following is a viviparous animal?

Which viruses enter the host cell as a whole?

The neurons that interpret and receive information and stimulate motor neurons are what type of neurons?

Viruses can bud from:

Removal of proximal convoluted tubule from the nephron will result in:

Enzymes which bring about exchange of a functional group are called:

The bonding pair of electrons are equally shared between the atoms in?

In CCl4, all C-Cl bonds are _________ but the molecule is ______ overall.

Globulin proteins are found in:

In an irreversible reaction, the tendency of it to go in the reverse direction is?

The oxidation number of Nickel in [Ni(CO)]₄] is:

The expression for the radius of the nth orbit of a hydrogen atom was derived by:

In a homologous series, adjacent members differ by a _________ unit?

Which of the following esters give a Jasmine Flavour?

In Haber's process, the final product ammonia is converted into:

The compounds which belong to the same functional group form a ___________.

Which of the following forces has ability to form clusters and large molecules?

The energy is _______ when oppositely charged ions are brought close to each other.

What is the value of the C-C bond length in benzene?

In the electrolysis of NaNO3, Na+ is:

The lighter the oxidation state of metal, more will be the _______.

Each half-reaction in the ion-electron method is balanced by adding:

Energy is absorbed?

Nitrates of which pair of elements gives different products on thermal decomposition?

How many unhybridized orbitals are there in an ethyne molecule?

Au3+ has __________ configuration.

Among halogens, iodine is solid at room temperature while Br₂ is liquid and Cl₂ and F₂ are gases at room temperature, why?

In a reaction having both alkyl halide and base, the base will attack on the _________.

It consists of discrete molecules:

Alkanes are called as _________?

Which of the following catalyst is used in the Friedel craft reaction?

Condensation involves which of the following reactions?

Kc and Kp have the same value when reactants and products have same number of___________.

The strength of London forces depends on the size of:

Rate= k[NO][O3] the order of this reaction is:

The rate of diffusion of liquids is ________ than gases.

In the production of wrought iron, Mg, Si, and P are removed in the form of:

Alcohols can be formed by alkenes in the presence of _____.

In which of the following body part is protein not present?

27g of Al will react with how much mass of O2 to produce Al2O3

The order of size of 's' orbital is as follows:

The formula of Chile Saltpeter is?

When an electron is added, energy is released, so electron affinity is given a:

1-Chloropropane and 2-Chloropropane are ______.

The greater the amount of negative charge on an atom, the size of the ion will also be:

The rate of diffusion of a gas having a molar mass of 32 as compared to H2 gas will be:

Reaction of Aldehydes with the Tollen's reagent results in the formation of ____________?

Which of the following compounds shows maximum Hydrogen Bonding?

Oxidation Number of all the elements in the free state is?

Melting and boiling points depends on ________?

ΔHf of which of the following cannot be measured directly?

To conduct electricity through Ionic Solids, the ions should be:

Which of the following solvents favor SN₂ reactions?

The platinum in SHE act as a:

Which of the following properties does not belong to Gases?

How can enthalpy changes of reactions be measured?

The total of all the possible kind of energies in a system is called:

The region where the probability of finding the electron is negligible is called as:

Which one of the following is not a organic compound?

In one second if the concentration changes from 0.1 to 0.25 then the rate will be:

White rays can produce x-rays.

Magnetic flux is the scalar product of:

If two-point charges of charge q1 and q2 are placed at distance d, the force between them is proportional to:

There are three bulbs of 60W, 100W, and 200W. Which bulb has the thickest filament?

When a charge experience a force, there will be a ________ field developed.

Alternating Current Generators use:

An object is moving in a circle. It completes 6 revolutions in every 3 seconds. What is its frequency?

A particle carrying a charge of 3e, accelerates through a potential difference of 2V. The energy acquired by it is:

Joule/coulomb is a unit of:

Which two or more of the following actions would increase the energy stored in a parallel plate capacitor when a constant potential difference is applied across the plates:

If the heat absorbed is 10 J and work done is 5 J, then the change in internal energy is:

The down quark has charge ________.

The sodium (Na) atom cannot produce x-rays because:

The anti-particle of quark is _________.

Calculate the energy of a photon of wavelength 6600 Angstroms:

Acceleration of a rolling object is zero at _______ point of the hill.

Bright lines in the pattern show:

Two copper conductors have equal lengths. The cross-sectional area of one conductor is four times that of the other. If the conductor with a smaller cross-sectional area has a resistance of 40 ohms, then the resistance of the other conductor will be?

To get a peak load voltage of 40V out of a bridge rectifier, what should be the approximate r.m.s value of secondary voltage?

The radiation emitted by hot bodies have color:

What is the SI unit of work?

Spectra corresponding to the sodium vapor lamp is:

An atom would be neutral if it has equal number of:

What is the SI Unit of EMF?

A star moving away from earth shows?

Calculate the charge passing through the circuit if it's current it 10 Amp and the recorded time is 15 seconds.

The relation between speed, frequency, and wavelength of a wave is:

In a bridge type full-wave rectifier, if Vm is the peak voltage across the secondary coil of the transformer, the maximum voltage coming across each reverse biased diode is:

The photocell is similar to:

For constant linear acceleration, angular acceleration and radius are:

The density of oxygen is 16 times the density of hydrogen. If the speed of sound in oxygen is v, then what is the speed of sound in hydrogen?

Work done by the centripetal force on a body moving in circle is zero because?

The reciprocal of resistivity is called:

An armature coil consists of 30 turns of wire, each of area A = 0.05 m² and total resistance of 10 Ω. It rotates in a magnetic field of 0.15 T at an angular speed of 84 radian per second. Determine the value of maximum induced EMF produced in the coil.

A thermally insulated rigid container contains an ideal gas. It is heated through a resistance coil of 100Ω by passing a current of 1 A for five minutes, then the change in internal energy of the gas is:

Who stated the right-hand thumb rule?

For an adiabatic process, the first law of thermodynamics can be written as:

A cable 4 km long and of total resistance 1 Ohm carries electric current from a generator producing 100kW at 10,000 Volts. The current in amperes in the cable is:

A car of mass M is moving with speed v. A brake of mass m and specific heat capacity, c is used to stop the car. If half of the kinetic energy of the car is absorbed by the brake, then what is the increase in temperature of the brake?

Magnetic field lines have a property that lines are ________________.

A 250V bulb passes a current of 0.3A. Calculate the power in the lamp.

Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100V. Let the load resistance R = 10kΩ. Calculate the fraction of the cycle during which the diode is conducting:

F = e(v x B) is valid for:

Two wires of copper are of the same length but have different diameters. When they are connected in series across a battery, the heat generated is H1. When connected in parallel across the same battery, the heat generated during the same time is H2, then:

The magnetic flux linked with a coil is inversely proportional to the:

An electron cannot reside inside a nucleus is explained by:

An object is undergoing simple harmonic motion. Its time period is T and total energy is E. The amplitude of vibration is reduced to half. What is the new time period and total energy of the system?

What does the constant 'n' represent in the equation of state for an ideal gas PV=nRT?

Thermal energy is also called:

The number of protons in the nucleus is called the _______ number.

Full wave bridge rectifier uses:

The SI unit of angular displacement is:

Transformer is used in rectification to ___________ the supply voltage.

The shaft of a motor rotates at a constant angular speed of 360rev/min. The angle turned through in 1 sec in radians is?

What will be the product of the beta decay of C-14?

Find the error in the following sentence:"Even if the doctor puts in his best efforts, he could not succeed in saving the patient."

Choose the nearest meaning to the following word:Relinquish

Some of the people waiting in line _________ getting impatient.

Choose the option with the nearest meaning to the following word:Waft

My friend ____________ (suffer) from cholera since August.

Measles ________ a contagious childhood disease.

Fetch _______ chair and sit down.

Father must _____________ left his briefcase at the office.

What type of sentence is this?Our car broke down, so we came last.

I ________ (write) a new book. I _______ (hope) to finish it by the end of this month.

You will find more information in the ___________.

What type of sentence is this?When I go swimming, I have to keep my eyes closed underwater.

What is the short form of:We are

Choose the correct sentence:

John _____ to be a doctor.

Find an error in the following sentence:Everyone who was injured in the accident were taken to the hospital.

I like ________ blue T-shirt over there better than ________ red one.

She ran with quick steps to the house when it ____________ (start) raining.

I lived on _______ Main Street when I first came to town.

I think ________ man over there is very ill. He can't stand on his feet.

"Renown" is to "Reputation" as "Abeyance" is to?

Which one of the following has four sides?

Statement:Should coal engines be replaced by electric engines in trains?Arguments:(I) Yes. Coal engines cause a lot of pollution.(II) Yes. Electric engines are good on performance, easy to operate, and low on maintenance.(III) No. Pakistan does not produce enough electricity to fulfill its domestic needs also.

Statements:Nutritious food is delicious and good for health. Apple is nutritious.Conclusions:(I) Apple is good for health.(II) Delicious foods are nutritious.

Statement:According to reports, the childrens below age 10 are being aggressive because of mobile phones.Course of Action:I. Parents needs to be strict with their child.II. Parents need to be concerned and limit their screening time.

Chef: Restaurant

FESCO stands for ________

If in a certain language, NOIDA is coded as OPJEB, how is DELHI coded in that language?

The area of a triangle will be what, when a = 1m, b = 2m, c = 3m where a, b, and c are lengths of the respective sides.

Which one of the following is different?