PMC Practice Test 1 2021

Enzymes work by which of the following?

When resources gets scarce, the population growth?

In a typical menstrual cycle of 28 days, what is the most likely fertile period?

Many sarcomeres in series make up the length of a:

Two populations of the same species over time grow distant from one another. At what point will these two populations be considered different species?

The scrotum is responsible for which of the following in male reproductive system?

Inactive enzyme precursors such as pepsinogen for pepsin are called as:

Which of the following statements was not explained by Darwin's theory?

Nitrogenous bases such as choline and serine are a significant part of which of the following?

Breathing is considered as a:

The semi-solid mass in stomach is known as:

In asexual reproduction, offsprings are genetically?

Which one of the following is present outside the plasma membrane but inside the cell wall?

How much net gain of G3P is obtained after one calvin cycle?

Cholesterol is:

The upward movement of sap by the xylem is:

The radial symmetry is found in the animals of which of the following?

If both the alleles are the same with respect to genes, then they are called?

A single motor neuron may innervate as few as 3-5 fibers in muscles of:

Which cells secrete flexible, elastic, non-living matrix collagen that surrounds the cartilage?

Aquatic arthropods belonging to this class breathe through gills:

Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called?

In some cases, the blastomere can produce a complete embryo so, the cleavage will be:

The part of the chloroplast where carbon dioxide is fixed to manufacture sugar is:

The wings of a bird and the wings of a beetle are considered?

Which portion of the brain is primarily responsible for transmitting the information to other parts of the nervous system?

Vertebrates belong to phylum chordata because:

Human embryo remains enclosed in:

Coelom that develops from the archenteron as outpouching is?

What are the subunits of capsids?

Most reflex arcs are:

What was the correct classification according to Linnaeus?

Which of the following is the name of the modified endoplasmic reticulum found in muscle cells?

How many monosaccharide molecules do oligosaccharides yield upon hydrolysis?

What is the viral envelope composed of?

Which of the following sections of a sarcomere does not shorten during contraction?

According to lvanovski, what are soluble living germs?

It is the most energy rich compound:

Interconversion of carbohydrates, proteins, and lipids in living cells are an example of?

Which type of bond is not responsible in maintaining the tertiary structure of proteins?

If a microscope has a 10× objective lens and 10× ocular lens, it would magnify the object by:

Which of the following wavelength is absorbed maximum for photosynthesis?

Carotenoids perform protective function in which of the following organism?

Nutrition to egg in ovary is provided by which of the following?

When vasopressin is not secreted, the condition that occurs is called?

Centrosome is found in:

In Morgan's linkage experiment, when males and females of the F2 generation mate with each other and produce offspring, the percentage of recombinants was:

The term ‘cell’ was given by:

The nervous system of Arthropoda resembles which of the following phyla:

In 1959, Koshland proposed which of the following?

Carbohydrate catabolism is concerned with the fate of:

When two or more clearly different phenotypes exist in the same population of species, the phenomenon is called?

Salamander belongs to which of the following class?

In which step is lysozyme released by the bacteriophage?

The voice box leads to the trachea which is also called:

The function of a cell wall in prokaryotes is:

Gray matter is primarily composed of:

Which type of bonds are never formed when a substrate fits into the active site of an enzyme?

What is the function of the lysozyme enzyme released by bacteriophages?

Which of these is a eucoelomate?

The infection of lungs is called:

Gibberellins may be substituted for which color of light, therefore promote flowering in long day plants?

Primordial soup is a set of hypothetical conditions on ancient Earth first proposed by?

Which of the following is true bacteria?

It uses the single strand RNA as a template for making double stranded DNA:

Which of these are the largest animal viruses?

Urease present in:

Which of these is involved in coordinated movements of the body?

Which of the following statements is incorrect?

How are carboxylic acids formed from alcohol?

The number of reacting molecules which change their concentration in a chemical change is called:

At constant volume the heat supplied is equal to:

Casein is used in manufacturing of _________.

The substance that is attached to the enzyme at specific place and converted into product is called as?

Energy for the endothermic reaction is given a ____ value?

Which of the following is produced by heating of bones?

How many chain isomers of Pentane is possible?

Which type of bonds are broken during cracking?

By increasing which of the following factor polarizability increases?

According to Avogadro's law, 0.899g of 1dm3 H2 and 1.4384g of 1dm3 O2 have _____________number of molecules.

The difference in the E.N values of the bonded atoms b/w two atoms is an index to of covalent bond:

Melting and boiling point of transition elements is higher due to:

In which of the following will water evaporate earlier?

Which of the following is a poor 'leaving' group in nucleophilic substitution reactions?

Phenol reacts with calcium carbonate and evolve ________?

Friedrich prepared UREA from:

During the course of an SN1 reaction, the intermediate species formed is:

Carboxylic acids do not give the characteristics reaction of >C=O group because of:

Heat exchange between the system and surroundings at constant volume is shown by the relation:

While calculating vapor pressure of a liquid in manometer, the column of mercury facing the vapors of a liquid is _____ due to pressure on surface of liquid in flask.

f-block elements are called?

How do the 'p' orbitals px, py, pz differ from each other?

With different number of moles of reactants and products, the volume of system?

18g of water contains ____ atoms of hydrogen:

Free radical reactions take place in the presence of ______?

Formation of carbon dioxide hinders in calculating the heat of formation of:

The carbonyl compound which is attached with at least one H atom at one side is called as?

The shielding effect is also called:

A very small value of Kc depicts:

Drawing a graph between concentration change with time gives a:

Which of the following compete with each other?

Which ion will have a maximum value of the heat of hydration?

Which of the following method is used to prepare Ethylene glycol from ethene?

Different kinds of atoms of the same element are called isotopes having different __________ but same ___________ properties.

Covalent character of hydrides decrease ________?

What is the common name of the compound CH₃(CH₂)₂CH₂Cl?

What are the products of destructive distillation of coal?

Which of the following condition is constant in Bomb calorimeter?

The relative atomic mass of copper is?

Which alkyl halide gives SN₂ reactions?

Lattice points are also called:

Organic compounds in which tetravalency of carbon atom is satisfied are called as ____ ?

Which of following is an example of electrophilic attack on alcohols?

Which of the following is most soluble in water?

The e/m values for the positive rays depends on ________enclosed in a discharge tube.

d-block elements are also called as ____.

If a molecule contains 4 electron pairs, the shape of molecule will be:

The ionization energy increases from left to right in a period due to increase in?

The molecules of ________ have dipole-dipole interaction.

Which of the following is not a derivative of benzene?

Which of the following family is linked with plant ashes?

Which of this is constant in isochoric process?

A gas expands from V₁ to V₂ at pressure P. Work done is:

Current in electrolysis is carried through?

A fixed mass of an ideal gas is contained in a cylinder at a constant temperature. Now, the pressure of the gas is decreased. What happened to the molecules of gas?

Step up transformer have ________ turns in secondary coil.

Wave nature of light is proved by:

Motional e.m.f induced in a coil is dependent on?

Formula for Power is:

One rpm is equal to _____ rad/sec

In which rectifier is the ripple factor less?

Two unlike charges attract each other with a force of 10 N. If the distance between them is doubled, the force between them is:

Force on a proton of charge 2e in a magnetic field of B at 45° while moving with 2 m/s is:

Formula for electric field intensity is:

Magnetic flux is maximum when the angle, between the area vector and the magnetic field lines, is?

Maximum power delivered by a battery is?

A full wave rectifier is operating from 50 H_z mains. Fundamental frequency of ripple will be:

The fast-moving electrons stopped by a heavy metallic target in an evacuated glass tube, give rise to the production of:

Charged body attracts uncharged body by ________ induction.

In a simple pendulum, work done by the tension force is?

Electric field lines due to a positive charge are:

Instantaneous velocity is:

In a stationary wave, the distance between a node and consecutive antinode is:

Radiations are classified by its ______ nature.

If a rotating body is moving anti-clockwise, the direction of angular velocity is:

Which metal is used to detect radioactivity?

The total mass of protium deuterium and tritium is _______ more than three H atoms.

Which of the following is not a unit of power?

The pendulum of a certain pendulum clock is made of brass. When the temperature increases, what happens to the period of the clock?

The source of x-rays generation is:

In Young's double-slit experiment, fringes are very close to each other. How can we increase the distance between fringes?

The basic purpose of the filter is to:

Ohm's Law is not applicable when the temperature is:

Work function depends on:

Two forces of 5 N and 15 N arc work on a body in opposite directions. If the body displaced by 5 m in direction of the net force, what will be the work done by a net force?

A force which acts on an object moving in a circle and is directed towards the center of the circle is called:

Ten complete waves pass through a point in 2 seconds. If the wavelength is 20 cm, what is the speed of the wave?

Which of the following are component of half wave rectifier?

The angular displacement of an object after one complete revolution is:

Which of the following cases (if any) requires the greatest amount of heat? (In each case the material is the same)

If a charge of 2C is moving with 5m/s enter at 30° in 3 T, calculate the force experienced by it.

Which of the following is not an assumption of the kinetic model of an ideal gas?

If an object is undergoing an orbital motion around another object it is called?

A body of mass 10 kg is moving at a height of 2 m, with a uniform speed of 2 m/s.Its total energy is:

Which radiation is used in smoke detectors?

Displacement of sun with respect to earth is?

Beats can be used to find:

If displacement = 15 m and time t = 10 seconds, then average velocity is:

Three types of radioactive elements are emitted when unstable nuclei undergo radioactive decay. Which of the following is not one of them?

If the supply frequency of a transformer increases, the secondary output voltage of the transformer:

In a scanning electron microscope, image formed is:

Minimum energy required for pair production is:

When a standing wave is set up on a string fixed at both ends, which of the following statements is true?

The interference of green photon to red photon will cause:

A glass block is immersed in a tank which is filled with a liquid of higher refractive index. Light is incident from the liquid on one side of glass block at an angle greater than critical angle. Which of the following statements are true?

In a lamp load, when more than one lamp are switched on, the total resistance of the load:

Internal resistance of a battery is ____ ohm, if E=l0V, Vt=9V, I= lA.

The Lenz's law refers to:

Either my mother or my father ______ coming to the meeting.

Find errors in the following sentence:

Select the option which fits appropriately in the blank:A really sophisticated person would never be _______ enough, to think that he is always right.

Thank you. You've been very--------- thorough this time.

Choose the correct sentence.

Select the option which fits appropriately in the blank:My father often ______ here.

Choose the correct spelling of the word:

Select the option which fits appropriately in the blank:Although he studied hard, he couldn't succeed __________ getting a high score in his test.

Choose the correct sentence.

Select the option which fits appropriately in the blank:Dan __________ a lot of friends.

Did I say anything to make you angry?

Select the option which fits appropriately in the blank:We shall _________ there for a week.

Choose the correct sentence:

Select the option which fits appropriately in the blank:I am in London this Summer, I ___________ English.

Select the option which fits appropriately in the blank:Annie and her brothers __________ at school.

I borrowed __ pencil from your pile of pencils and pens.

Select the option which fits appropriately in the blank:It will _____ me a lot of money.

Select the option which fits appropriately in the blank:The gardner will have _________ the flowers.

Select the nearest correct meaning of the given word:Bewildered

Select the option which correctly represents the following word:Who is

Complete the series A2, B4, C8, D16, E?

Find the odd one.

STATEMENTS:I. The dialogue between Jinnah and Gandhi failed.II. Indian National Congress and Muslim League tried to join hands, so they will be united.

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 scheme for years to come.

Four people were witnessed as assaulted at an incident. Each of them have their own description of the scene. Which one will be probably right?

Statements: - A > B, B ≥ C, C < DConclusions (I) A > C (II) A = C

Statement:I. The school authority has asked the FSC students to attend special classes to be conducted on Sundays.II. The parents of the FSC students have withdrawn their wards from attending private tuitions conducted on Sundays.

STATEMENT:I. An interior minister has been found as the owner of assets more than the stated income.II. The prime minister has ordered all the ministers to unveil their assets.

From the following which word does not belong to the others:

StatementIn a specific area of a country an acute famine have appeared COURSE OF ACTION:I. Major facilities of water and food should be provided straight away in that area. II. Financial support should be given to bothered individuals to the from the Government.