PMC Practice Test 4 2021

Which statement is incorrect?

Darwin's theory mainly focuses on:

Study of fossils is called:

Which of the following are believed to have common origin with annelids?

Most carbon dioxide is transported in the form of?

The process that secretes insulin from the cell is called:

Which statement is incorrect about the Lock and Key Model?

Which of these is the best treatment for osteoarthritis?

In cocci, three plane division results in the formation of sarcina which is a?

The spent energy in the form of ADP is regenerated by mitochondria into which of the following form?

An entire skeletal muscle is surrounded by ________?

Another name for the sex cell is:

The type of bronchitis that causes no permanent damage to the lungs and lasts for two weeks is known as:

Genes that influence height in humans are:

A surfactant is essential for:

Mating between relatives is called which of the following?

Cellulose is the major component of?

Which of the following bacteria possesses a spherical shape?

Flame cells in Planaria constitute the:

Ribose is a monosaccharide constituent of many ____.

According to the induced fit model, what happens when an enzyme-substrate complex is formed?

Competitive inhibition can be overcome by using:

Fluid secreted by sertoli cells provides sperms with which of the following?

Which of the following is not a viral disease?

The branch that deals with the study of viruses is known as?

During which of the following levels of biological organization can natural selection occur?

Which cells produce oogonia in ovary?

Which part of the brain connects the cerebrum with the spinal cord?

The cluster of pouches opened from alveolar ducts is known as:

According to the law of independent assortment, what is the possible number of combinations that chromosomes can assort to independently in the gamete?

An example of 'convergent evolution' is:

What are T-Cells and their role in HIV infection?

What molecule would you not expect to find in a retrovirus?

Which of the following elements are not found in carbohydrates?

Which hormone is produced mainly by corpus luteum in the ovary following ovulation?

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips?

The neurons responsible for converting various external stimuli that come from the environment into corresponding internal stimuli is called:

Outbreeding increases which of the following?

The internal buds are known as which of the following:

Reflex action is a type of?

When was the bacteriophage phenomenon rediscovered by D'Herelle?

Which of the following best describes a coenzyme?

A chromosome in which a centromere stays at one end is called:

Which of the following statements correctly describes how the host cell membrane is changed by viral replication?

Enzymes are globular proteins because:

The final acceptor of electrons in the respiratory chain is?

For respiratory metabolism, a bacterial cell membrane contains:

How are flatworms not similar to roundworms?

The animals which belong to division Radiata is/are?

The movement of minerals or water via extracellular pathway is known as?

Which one of the following is not a feature of the nervous system of Planaria?

The water splitting step of photosynthesis is called:

Which of the following is not a sterilization method for the control of bacteria?

Which of the following shows radial symmetry?

An enzyme without its cofactor is called:

The retina is important for ________ of human.

The last common ancestor of humans is known to be which of the following?

Which of the following is a compensation point?

The structure of which bacteriophage resembles a tadpole?

The stretch reflex is also known as:

Secondary oocyte is ovulated from:

In which of the following does no net gaseous exchange take place between leaves and the atmosphere?

Aschelminthes is also known as which of the following?

How is pyruvate produced in anaerobic conditions?

A neuron located in the central nervous system that projects its axon outside the CNS is called:

The researcher notices that round seeds occur naturally in the environment. Based solely on this information, what can the researcher conclude about the round phenotype?

If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules?

During birth which of following act as birth canal?

The specific site at which substrate is attached on the enzyme and converted into product is called as:

Metallic character depends on ________ ?

Which of the following has six isotopes?

Isopentane is an example of ______ ?

The electron affinity of fluorine is less than chlorine as we move down the group, this deviation in behavior is due to its:

Which of the following has an amide functional group?

An orbital can accommodate at the most ______ electrons.

Salt Bridge is used for the purpose of:

The ionization energy of group ______ shows abnormal trend:

Which of the following is a strong acid?

Wohler prepared urea in the laboratory for the first time in _____ ?

Which of the following method is used to prepare acetic acid?

On which of the following factors Hydration Energy depends?

Ethyne has which hybridization?

In electrochemical series, reduction potential relates to only:

Which one of the following is an electrophile?

Glycerol can also be termed as?

Alcohol oxidation gives carboxylic acid through:

What is the nature of Carbon present in Aldehyde is?

Half Life α =1/a(n-1) where n is:

In SN2 reactions, the hybridization of carbon in moving from substart to transition state changes from:

Strong acid can be involved in a spontaneous reaction which is termed as:

The crude petroleum is separated in fraction by:

After the hydrolysis of ester the change in concentration of acid at different intervals is calculated by:

Caustic Soda is made by electrolysis of a concentrated solution of NaCl in:

Change in Pressure will only affect the substances which are in:

If uncertainty in momentum of electron is zero, the uncertainty in its position would be _______ .

Which statement is true for K₂[Cu(CN)₄] ?

The unit used to express the relative atomic mass is called?

Acetaldehyde in the presence of Conc.H2SO4 undergoes ______ ?

If two substituents are present at 1,4 positions then the isomer is called as _____ ?

The maximum number of electrons that can be accommodated in M Shell of an atom are:

The electrolysis of acetate solution produces ethane according to the reaction:2CH3COO- --> C2H6(g) + 2CO2(g) + 2e-The current efficiency of the process is 80%. What volume of gases would be produced at 27oC and 740 torr, if the current of 0.5 amp is passed through the solution of 96.45 min?

Conjugate base of a weak acid:

Due to less polarizability of Fluorine, it boils at _______ ℃?

I- is an example of ________ ?

In balancing, it is very important to identify the substance whose:

Which of the following properties belong to acetic acid?

Temperature and volume in an experiment are part of?

Distillation of calcium acetate and calcium formate produces?

Carbon dioxide is an example of?

The general name of ore CaSO4.2H2O is:

Heat supplied at constant pressure equals to:

Left-handed helix in proteins secondary structure is called as ______ :

Aspartame, an artificial sweetener contains 9.52 weight per nitrogen. There are two nitrogen atoms per molecule. The molecular weight of aspartame is:

From which of the following ketone can be prepared?

H bonding is not present in which of the following _______ ?

The correct electronic configuration of Cr is:

Which forces are very significant in non-polar molecules like Cl₂, H₂ and noble gases?

Which of the following is typical transition element?

Evaporation is a _____ process.

Most of the enzyme reactions are:

Which of the following is succinic acid?

The half-life of Uranium is:

According to Bohr, the orbits in which electrons revolve around the nucleus are:

In a stationary wave, the distance between adjacent nodes is equal to:

Bones image is shown on x-ray photogarph because x-rays can be --------.

For which angle between vector area and magnetic field, the flux is maximum?

If a wheel of radius r turns through an angle of 30°, then the distance through which any point on its rim moves is:

The ratio of mass of electron to neutron is:

If the peak voltage in the output of full-wave rectifier is 10V, then the DC component of output voltage is:

A transformer steps down from 200V to 50V. If it has a secondary winding of 40 turns, then the number of windings in the primary coil are:

Current that fluctuates periodically with time is ------?

If the velocity of a charged particle and magnetic field are at a fixed angle that is not 90 degrees, then the path will be:

All of the following are equivalent to watt except:

Which unit is used in the measurement of Displacement?

When a standing wave is set up in a pipe which is open from one end, which of the following statements is true?

The flux is the region where magnetic field:

Why are x-rays used in crystallography?

An angular velocity of 60 revolutions per minute is the same as:

A circuit that adds positive or negative D.C. voltage to an input sine wave is called:

Which of the following can have a negative temperature coefficient?

If north is the positive direction, which situation involves positive velocity and negative acceleration?

The nucleus shape is considered to be:

Vector is quantity that ------.

In an adiabatic process -----------------.

Which isotope has highest momentum when moving with same velocity?

If two photons interact in same direction what will change?

A particle radioisotope has a half-life of 5 days. In 15 days, the probability of decay in percentage will be:

When a force is parallel to the direction of motion of body, the work done is:

Which of the following changes when taken together, will result in a decrease in the pressure of an ideal gas?

Which of the following phenomena proves that light waves are transverse waves?

A particle performing uniform circular motion has constant:

The value of permittivity of material, other than air or space is:

When an object moves in a circular path, --------------.

As a result of interference, energy --------.

The output voltage of a rectifier is:

Mutual inductance has a practical role in performance of:

Half wave voltage multipliers can provide what degree of voltage multiplication?

A particle having the charge of 20 electrons falls through a potential difference of 100 volts. Calculate the energy acquired by it in electron volt (eV).

"The heat required to raise the temperature of one mole of the substance through 1 K" is called:

Acceleration in the simple pendulum is always _______ to displacement.

In a mass-spring system, which of the following does not depend on the initial displacement of the spring?

The phase angle between two points in a medium is 3π/4. If the distance between these points is 20 cm, then the wavelength of the wave is?

An ideal gas at 15.5°C and pressure 1.72×105 Pa occupies a volume of 2.81m3. How many moles of gas are present?

Which is not radioactive?

The first law of thermodynamics is a special case of :

The clouds are formed when water _____ heat.

If an AC voltage of rms value of 10 volts is applied as input of a half-wave rectifier, then the voltage value of the DC output will be:

A wire has a resistance of 5.5 Ω at 19℃ and 21.5 Q at 200℃. Find the temperature coefficient of resistivity(α) of the material.

_____ are such nuclei of an element that have the same mass number A, but have different charge number Z.

The frequency of vibration of the string is given by the equation given below. (p is the number of segments in the string and l is the length of the string).The dimensional formula for m will be:

The angular momentum of photon is -------?

Three charges +3, +q and Q are placed on a straight line with equal separation. In order to make the net force on q zero, the value of Q will be:

Why should a resistance be introduced in a circuit in series deliberately?

The frequency of the incident photon after Compton effect will:

What is the relationship between Power, Current and Resistance?

Magnetic flux is a?

When the direction of the force and displacement are opposite, work done is:

Is it possible to separate north pole only from bar magnet?

His bag was quite _____ so I easily carried it to his room.

One of the students said, "_______ professor is late today."

Select the word that describes 'block headed':

Find the error in the sentence:

Sam ______ in the garden now.

Choose the correct spelling of the word:

What is the short form of "I have"?

Gold is ______ precious metal.

Each and every member _______ to vote.

What type of statement is the following: 'What is your name?'

Find the error in the following sentence:

Bilal _______ (live) with his brother.

Identify the tense used in the given sentence: "Everyone shall be reaching by tomorrow."

What type of statement is the following: I have two sisters.

Choose the correct sentence:

I advised her _______ drink it.

The book is about _______ man who lives on _______ small island.

If mountains are _________ of trees, rains will soon wash the fertile topsoil down the slope to end up as useless silt below.

One bad exam result and all her dreams were _______.

Select the option which fits appropriately in the blank:Everyone __________ done his or her homework.

Statement:The availability of imported fruits has increased in the indigenous market and so the demand for indigenous fruits has been decreased.Course of Action:I. To help the indigenous producers of fruits, the Government should impose high import duty on these fruits, even if these are not of good quality.II. The fruit vendors should stop selling imported fruits. So that the demand for indigenous fruits, would be increased.

Statements:All film stars are playback singers.All film directors are film stars.Conclusions:I. All film directors are playback singers.II. Some film stars are film directors.Which of the following is true?

What should come next to infirmary?

Directions:In each of the following questions a statement is given, followed by two conclusions.Statement: "Please do not wait for me, I may be late, start taking lunch as soon as the guests arrive." - A message from a Director of a Company to his office managers.Assumptions:I. Keeping guests waiting is not desirable.II. Lunch may not be ready in time.

Statement:I. Large number of Primary Schools in rural areas are run by only one teacher.II. There has been a huge dropout from primary schools in rural areas.

Fact l: All drink mixes are beveragesFact 2: All beverages are drinkableFact 3: All beverages are redIf the above three statements are facts then which of the following statement will also be a fact?I. Some drink mixes are redII. All beverages are drink mixesIII. All red drink mixes are drinkable

Statement:I. Majority of the citizens in the locality belongs to higher income group.II. The sales in the local supermarket are comparatively much higher than in other localities.

Complete the series A2.5, B5, C7.5, _____ ?

What should come next: save, secure, protect, -----

Statement:The Management of School M has decided to give free breakfast from next academic year to all the students in its primary section through its canteen even though they will not get any government grant.Courses of Action(I) The school will have to admit many poor students who will seek admission for the next academic year.(II) The canteen facilities and utensils have to be checked and new purchases to be made to equip it properly.(III) Funds will have to be raised to support the sc heme for years to come.