MDCAT Past Papers 2 2021

Created by Ali Durrani

MDCAT 2021 Past Paper 2

Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 200

The speed ‘v’ of the waves in the string depends upon the tension, F, of the string and m, the mass per unit length of the string. It is given by:

PMC Practice 2
Physics
Wave Motion and Sound
Elimination Tool:

A) v2 = F/m

B) v = F/m

C) v x m = F

D) v = F x m

2 / 200

The bridge rectifier is preferred to an ordinary two diode full-wave rectifier because?

PMC Practice 2
Physics
Alternating Current
A.C. Circuits
Elimination Tool:

A) It needs a much smaller transformer for the same output

B) No center tap required

C) Less PIV rating per diode

D) All of the above options are correct

3 / 200

During the circular path in magnetic field, what is the magnetic force?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Force on a Moving Charge in a Magnetic Field
Elimination Tool:

A) F = Qb

B) F = qB2

C) F = qB/v

D) F = qvB

4 / 200

Momentum of a photon is?

PMC Practice 2
Physics
Dawn of Modern Physics
Elimination Tool:

A) 0

B) λ

C) hf/c

D) mv

5 / 200

273 mL of a gas at STP was taken to 27oC and 600 mm pressure. The final volume of the gas would be:

PMC Practice 2
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 273 mL

B) 300 mL

C) 380 mL

D) 586 mL

6 / 200

Octane number of n-heptane is ______.

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) 0

B) 100

C) 40

D) 98

7 / 200

In the Lucas test, tertiary alcohols form an oily layer of alkyl halide _________.

PMC Practice 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) On heating

B) Immediately

C) After 5-10 minutes

D) After 20 minutes

8 / 200

Vapor pressure is measured by calculating the difference in liquid pressure and?

PMC Practice 2
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Mercury pressure

B) Glass pressure

C) Atmospheric pressure

D) Container pressure

9 / 200

The displacement has __________.

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Magnitude only

B) Direction only

C) Magnitude and direction

D) No unit is required

10 / 200

Which of the following is not an aromatic compound?

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Anthracene

B) Naphthalene

C) Phenol

D) None of these options is correct

11 / 200

Non-inverting amplifier circuits have?

PMC Practice 2
Physics
Electronics
Op-Amps
Elimination Tool:

A) A very high input impedance

B) A very low input impedance

C) A high output impedance

D) None of the above options is correct

12 / 200

Non-polar covalent bond is formed between:

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Homonuclear diatomic molecules

B) Heteronuclear diatomic molecules

C) Similar atoms

D) Dissimilar atoms

13 / 200

Fused Bauxite is electrolyzed to get:

PMC Practice 2
Chemistry
Elimination Tool:

A) Sodium

B) Magnesium

C) Aluminum

D) lron

14 / 200

Calculate the mass in grams of 8.694 moles of Ag2CO3

PMC Practice 2
Chemistry
Stoichiometry
Elimination Tool:

A) 1417.53 g

B) 2399.544 g

C) 3456.78 g

D) 1231.98 g

15 / 200

In the case of HOCH2CH2CH2COOH, from where is numbering started?

PMC Practice 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) OH group is given number 1 position

B) Carboxylic acid is given number 1 position

C) COOH is given number 3 position

D) COOH is given number 4 position

16 / 200

When are the prefixes ortho, para, and para used?

PMC Practice 2
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) In alkynes to identify the position of the triple bond

B) In arenes to identify the position of the first substitution

C) In arenes to identify the position of the second substitution

D) In all hydrocarbons to identify the position of the functional group

17 / 200

If Kp and Kc have the same values then Δn will be:

PMC Practice 2
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Maximum

B) Minimum

C) Zero

D) Negligible

18 / 200

Which of these have a positive value of enthalpy?

PMC Practice 2
Chemistry
Elimination Tool:

A) Combustion

B) Neutralization

C) Atomization

D) All of these options are correct

19 / 200

Which of the following is always an exothermic process?

PMC Practice 2
Chemistry
Heat and Thermodynamics
Elimination Tool:

A) Enthalpy of atomization

B) Enthalpy of fusion

C) Enthalpy of neutralization

D) Enthalpy of sublimation

20 / 200

Ohm’s law is valid when the temperature of the conductor is:

PMC Practice 2
Physics
Current Electricity
Ohms Law
Elimination Tool:

A) Very low

B) Very high

C) Varying

D) Constant

21 / 200

The formula for calculating the number of electrons in subshells or sub-energy levels is:

PMC Practice 2
Chemistry
Atomic Structure
Elimination Tool:

A) 2l+1

B) 2(l+1)

C) 2(2l+1)

D) 2(2l-1)

22 / 200

Centrifuge is used to purify?

PMC Practice 2
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) Uranium

B) Hydrogen

C) Oxygen

D) Nitrogen

23 / 200

The SI Unit for resistance is?

PMC Practice 2
Physics
Current Electricity
Wire Wound Variable Resistors
Elimination Tool:

A) Ohm

B) Ampere

C) Watt

D) Volts

24 / 200

Instantaneous dipole is produced when ________.

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Two polar molecules come closer

B) Two non-polar molecules comes closer

C) Polar and non-polar molecule comes closer

D) All of these options are correct

25 / 200

Fuels with higher octane number can be produced by ___________.

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Cracking

B) Reforming

C) Decomposition

D) Isomerisation

26 / 200

Water is considered as a universal solvent because of which properties?

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Polar nature of water

B) H-bonding

C) Electronegativity difference

D) All of these options are correct

27 / 200

What will happen in a time of 7 hours, if a radioactive substance has an average life of 7 hours?

PMC Practice 2
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) Half of the active nuclei decay

B) Less than half of the active nuclei decay

C) More than half of the active nuclei decay

D) Total nuclei decay

28 / 200

SN1 reaction is a?

PMC Practice 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Multi-step reaction

B) Two-step reactions

C) Concerted reaction

D) Three-step reaction

29 / 200

What is the value of molecularity and order of SN1 reactions?

PMC Practice 2
Chemistry
Reaction Kinetics
Elimination Tool:

A) 2, 1

B) 1, 1

C) 0, 1

D) 0, 2

30 / 200

A longitudinal wave is moving through a medium. Which of the following statements about the direction of the propagation of the wave and displacement of the medium is true?

PMC Practice 2
Physics
Wave Motion and Sound
Elimination Tool:

A) Displacement of medium = parallel to the energy transfer Direction of the propagation of wave = parallel to the energy transfer

B) Displacement of medium = parallel to the energy transfer Direction of the propagation of wave = perpendicular to the energy transfer

C) Displacement of medium = perpendicular to the energy transfer Direction of the propagation of wave = parallel to the energy transfer

D) Displacement of medium= perpendicular to the energy transfer Direction of the propagation of wave = perpendicular to the energy transfer

31 / 200

Rate constant is denoted by?

PMC Practice 2
Chemistry
Reaction Kinetics
Elimination Tool:

A) K

B) Kr

C) Kv

D) Ks

32 / 200

Which of the following compounds is sold as fertilizer?

PMC Practice 2
Chemistry
Elimination Tool:

A) CaSiO3

B) Na2SiO3

C) Ca3(PO4)2

D) MnSiO3

33 / 200

In a pressure cooker, the boiling point of water is _________.

PMC Practice 2
Chemistry
States of Matter
Elimination Tool:

A) Raised than the normal

B) Lower than the normal

C) Lower than the freezing point

D) All of these options are correct

34 / 200

When two atoms are bonded to form a stable compound, the attractive forces will ______ repulsive forces and the potential energy of the system will be _______.

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Recessive, higher

B) Dominate, minimum

C) Dominate, maximum

D) Recessive, lower

35 / 200

The mutual induction happens in?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Mutual and Self Induction
Elimination Tool:

A) AC generator

B) DC generator

C) Battery

D) Transformer

36 / 200

How will the conditions be changed to prevent the volume of the given gas from expanding when its mass is increased?

PMC Practice 2
Chemistry
Heat and Thermodynamics
Elimination Tool:

A) Temperature and pressure is increased

B) Temperature is lowered and pressure is decreased

C) Temperature and pressure is decreased

D) Temperature is lowered and pressure is increased

37 / 200

What is the color of silver acetylide, AgC=CAg?

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Red

B) White

C) Brown

D) Pinkish

38 / 200

Sodium-11 has the electronic configuration:

PMC Practice 2
Chemistry
s and p Block Elements
Elimination Tool:

A) [He] 2s1

B) [Ne] 3s1

C) [Ne] 3s2

D) [He] 2s2

39 / 200

The temperature at which one crystalline form changes to another is called ____ temperature.

PMC Practice 2
Chemistry
Heat and Thermodynamics
Elimination Tool:

A) Critical

B) Absolute

C) Transition

D) None of these options is correct

40 / 200

Which of the following alkyl halides is most reactive towards the Mg atom?

PMC Practice 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Alkyl bromide

B) Alkyl fluoride

C) Alkyl chloride

D) Alkyl iodide

41 / 200

The unhybridized p orbitals of benzene are present in the form of _________.

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Between the C-C bonds of benzene

B) Above and below the carbon bonds

C) In the form of a cloud above and below the benzene ring

D) None of these options is correct

42 / 200

Which of the following is an example of aromatic carboxylic acid?

PMC Practice 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Ethanoic acid

B) Butanoic acid

C) Adipic acid

D) Phthalic acid

43 / 200

Electric power is?

PMC Practice 2
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) Rate of electric work done per unit time

B) Voltage per unit time

C) Electric charge per unit time

D) Current per unit time

44 / 200

Boiling point of hydrides of the 4th period is larger than __________.

PMC Practice 2
Chemistry
Periodicity in Elements
Elimination Tool:

A) 5th period

B) 3rd period

C) 6th period

D) 7th period

45 / 200

Which of the following carboxylic acids is used in medicine as a local irritant?

PMC Practice 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Formic acid

B) Acetic acid

C) Benzoic acid

D) Amino acid

46 / 200

A polymer called Bakelite is formed by the reaction of phenol with:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Hydrogen

B) Ethers

C) Carboxylic acid

D) Formaldehyde

47 / 200

How do meta directing groups affect the electrophilic substitution of benzene ring?

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Increase electron density at the ortho and para positions

B) Decrease electron density at the ortho and para positions

C) Make benzene less reactive

D) Both Options B and C are correct

48 / 200

Which one of them is used as an automobile antifreeze?

PMC Practice 2
Chemistry
Elimination Tool:

A) Ethanol

B) Ethene

C) Ethylene glycol

D) Propene

49 / 200

What is the least common electron transport chain?

PMC Practice 2
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
Elimination Tool:

A) Non-cyclic electron flow

B) Cyclic electron flow

C) Circular electron flow

D) Both Options B and C are correct

50 / 200

Which of the following is an example of superficial reflexes?

PMC Practice 2
Biology
Coordination and Control
Coordination in Animals
Elimination Tool:

A) Ankle jerk

B) Knee jerk

C) Abdominal reflex

D) Both Options A and B are correct

51 / 200

Which among the following defines GPI-anchored proteins?

PMC Practice 2
Biology
Cell Structure and Function
Plasma Membrane
Elimination Tool:

A) Integral proteins of the plasma membrane

B) Proteins that bind to ion-gated channels in the plasma membrane

C) Proteins which randomly bind to lipids of the plasma membrane

D) Peripheral proteins of the plasma membrane

52 / 200

Which one of the following is most likely to occur in a boy during puberty?

PMC Practice 2
Biology
Variation and Genetics
Sex Determination
Elimination Tool:

A) He produces eggs

B) His shoulders broaden

C) The colour of his eyes change

D) None of these options is correct

53 / 200

The spermatic cord and spermatic duct are?

PMC Practice 2
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) The same

B) Different

C) Same in function

D) Same in location

54 / 200

_____ is a macromolecule found in blood.

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Hemoglobin

B) Plasma

C) Creatinine

D) Plasmids

55 / 200

Which of the following is not a true characteristic of spermatogonia?

PMC Practice 2
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) They develop into primary spermatocytes through mitosis

B) They are undifferentiated

C) They are germ line cells

D) They are haploid

56 / 200

The canal system in sponges develops due to which of the following?

PMC Practice 2
Biology
Kingdom Animalia
Classification according to Coelem
Elimination Tool:

A) Porous walls

B) Gastrovascular system

C) Reproduction

D) Folding of inner walls

57 / 200

What is the final product of the Krebs cycle?

PMC Practice 2
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) Malate

B) Succinate

C) Oxaloacetate

D) Fumarate

58 / 200

An activated enzyme made of polypeptide chain and a cofactor is?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

A) Substrate

B) Coenzyme

C) Apoenzyme

D) Holoenzyme

59 / 200

How many isomers of mono-substituted benzene are possible?

PMC Practice 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Two

B) One

C) Three

D) None of these options is correct

60 / 200

The attraction between water molecules and the cell wall of xylem is termed as:

PMC Practice 2
Biology
Biological Molecules
Water
Elimination Tool:

A) Cohesion

B) Tension

C) Adhesion

D) Imbibition

61 / 200

What are the end products of the electron transport chain in animals?

PMC Practice 2
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) ATP

B) Carbon dioxide

C) Water

D) Both Options A and C are correct

62 / 200

Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by?

PMC Practice 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Ribosomes

B) Cytoplasm

C) Golgi apparatus

D) Endoplasmic reticulum

63 / 200

Which of the following compounds give a positive silver mirror test?

PMC Practice 2
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Butanal

B) Methanal

C) Ethanal

D) All of these options are correct

64 / 200

Which statement correctly describes the alimentary canal of hydra?

PMC Practice 2
Biology
Nutrition
Kingdom Animalia
Digestion and Absorption
Evolution to complexity in animals
Elimination Tool:

A) The alimentary canal is formed from the endodermal cells

B) The alimentary canal has a single opening

C) The alimentary canal is sac-like

D) All of the above options are correct

65 / 200

Legumine & collagen protein are present in which type of body tissues:

PMC Practice 2
Chemistry
Chemistry of Life
Elimination Tool:

A) Cardiac

B) Epithelial

C) Connective

D) Epidermis

66 / 200

The process of determining the locus for particular biological traits includes?

PMC Practice 2
Biology
Biotechnology
Genetic Engineering & its tools
Elimination Tool:

A) Replication

B) Recombination

C) Gene mapping

D) None of these options is correct

67 / 200

What type of virus is the smallpox virus?

PMC Practice 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA enveloped virus

B) RNA enveloped virus

C) DNA virus

D) RNA naked virus

68 / 200

Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

PMC Practice 2
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
Elimination Tool:

A) Robert Koch

B) Louis Pasteur

C) Alexander Fleming

D) Antonie van Leeuwenhoek

69 / 200

The alkali metals group lies in the ______.

PMC Practice 2
Chemistry
s and p Block Elements
Elimination Tool:

A) d-block

B) s-block

C) f-block

D) p-block

70 / 200

Chlorophyll b is found in which organisms?

PMC Practice 2
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) Green plants

B) Green algae

C) Animals

D) Both Options A and B are correct

71 / 200

The number of water soluble vitamins is?

PMC Practice 2
Biology
Biological Molecules
Introduction to Biological Molecules
Elimination Tool:

A) 3

B) 6

C) 9

D) 12

72 / 200

Acetic acid is soluble in?

PMC Practice 2
Chemistry
Elimination Tool:

A) Water, Alcohol, Ether

B) HCl, HBr, HI

C) Bromine water

D) All of these options are correct

73 / 200

During the transport of carbon dioxide, blood does not become acidic due to:

PMC Practice 2
Biology
Elimination Tool:

A) Blood buffer

B) Neutralization of H2CO3 by Na2CO3

C) Absorption by leukocytes

D) Non-accumulation

74 / 200

An element or its compound is first _____________ to get its ______________ spectrum by a spectrometer.

PMC Practice 2
Chemistry
Elimination Tool:

A) Freezed, continuous

B) Freezed, line

C) Volatilized, line

D) Volatilized, continuous

75 / 200

The ability of an individual to pass on its phenotype to future generations is known as:

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Fitness

B) Heritability

C) Limited environmental resources

D) Overproduction of offspring

76 / 200

What is the color of the Xanthophyll pigment?

PMC Practice 2
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) Yellow

B) Red

C) Orange

D) Green

77 / 200

The order of reaction for which half-life is inversely proportional to the concentration of reaction is?

PMC Practice 2
Chemistry
Reaction Kinetics
Elimination Tool:

A) Second Order

B) Zero Order

C) First Order

D) Third Order

78 / 200

The number of stages involved in a heart beat is:

PMC Practice 2
Biology
Transport
Elimination Tool:

A) 2

B) 3

C) 4

D) 5

79 / 200

Which statement best describes the Hardy-Weinberg principle?

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Recessive alleles eventually disappear in large populations

B) Expected frequencies of alleles are impossible to predict mathematically

C) Dominant alleles become more prevalent in large populations

D) When there is a large population, the mechanism of inheritance does not change allele frequencies

80 / 200

If we add more substrate to an already occurring enzymatic reaction and it has no affect on the rate of reaction, the process is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

A) Denaturation

B) Saturation

C) Composition

D) Inhibition

81 / 200

Gametes in animals are produced by which of the following?

PMC Practice 2
Biology
Cell Cycle
Meiosis
Elimination Tool:

A) Mitosis

B) Meiosis

C) Fission

D) All of these options are correct

82 / 200

Kinetic Energy is the sum of ______.

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Rotational & Vibrational

B) Translational & Rotational

C) Rotational, Vibrational, and Translation

D) All of these are correct

83 / 200

The abiogenesis theory of origin supports:

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Spontaneous generation

B) Origin of life from blue-green algae

C) Origin of life is due to pre-existing organisms

D) Organic evolution is due to chemical reactions

84 / 200

What type of atom is the carbon atom?

PMC Practice 2
Biology
Biological Molecules
Carbon
Elimination Tool:

A) Divalent

B) Monovalent

C) Trivalent

D) Tetravalent

85 / 200

Graphite has a structural similarity with:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) B2H6

B) B4C

C) B

D) BN

86 / 200

How many pairs of homologous chromosomes are present in Pisum sativum?

PMC Practice 2
Biology
Chromosomes and DNA
The Chromosomal Theory of Inheritance
Elimination Tool:

A) 5

B) 6

C) 7

D) 8

87 / 200

In the NaCl crystal, chloride ions present at the face center are distributed in:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) One Unit Cell

B) 8 Unit Cells

C) 4 Unit Cells

D) 2 Unit Cells

88 / 200

What is the length of spinal cord?

PMC Practice 2
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) 10-20 cm

B) 20-30 cm

C) 40-50 cm

D) 60-90 cm

89 / 200

The number of substrate molecules converted into the product by one molecule of enzyme active site per unit time is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

A) Turnover number

B) Substrate number

C) Reaction number

D) None of these options is correct

90 / 200

The unit of electronegativity is?

PMC Practice 2
Chemistry
Electrochemistry
Elimination Tool:

A) Joule

B) Kilojoules

C) Watt

D) No unit

91 / 200

True breeding variety is produced by which of the following?

PMC Practice 2
Biology
Variation and Genetics
Elimination Tool:

A) Cross-fertilization

B) Self-fertilization

C) Both Options A and B are correct

D) None of these options is correct

92 / 200

What is a typical value for the resting membrane potential of a neuron?

PMC Practice 2
Biology
Coordination and Control
Steps Involved in Nervous Coordination
Elimination Tool:

A) -70 mV

B) -120 mV

C) 0.05 V

D) Both Options A and B are correct

93 / 200

In sponges, fertilization takes place in which of the following?

PMC Practice 2
Biology
Reproduction
Kingdom Animalia
Reproduction in Animals
Phylums – porifera to chordata
Elimination Tool:

A) Ectoderm

B) Endoderm

C) Uterus

D) Mesenchyme

94 / 200

Which of the following is known as a bony joint?

PMC Practice 2
Biology
Support and Movement
Types of Joints
Elimination Tool:

A) Synostosis

B) Symphysis

C) Syndesmosis

D) Interosseous membrane

95 / 200

Which condition can be explained by Lamarckism?

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) How giraffes got their long neck

B) How humans lost their tail

C) How humans became bipedal

D) All of these options are correct

96 / 200

Which of the following forces have no relation with valence electrons?

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic Bond

B) Chemical bond

C) Intermolecular forces

D) Intramolecular forces

97 / 200

The increase in size of an anion is due to the increase in repulsion of:

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Electron-proton

B) Electron-electron

C) Electron-nucleus

D) Proton-nucleus

98 / 200

If water is present in a cup placed on a table, what will be the system in this case?

PMC Practice 2
Chemistry
Thermochemistry
Elimination Tool:

A) Water

B) Water in the cup

C) Whole table

D) All of these options are correct

99 / 200

Which of following systems is segmentally arranged in annelids?

PMC Practice 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Excretory system

B) Digestive system

C) Circulatory system

D) Nervous system

100 / 200

The brain that coordinates skeletal muscle movements is:

PMC Practice 2
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Thalamus
B) Amygdala
C) HypothalamusThe brain that coordinates skeletal muscle movements is:

PMC Practice 2
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Thalamus

B) Amygdala

C) Hypothalamus

D) Cerebellum

101 / 200

Icosahedral Viruses have how many faces?

PMC Practice 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) 20

B) 30

C) 10

D) 40

102 / 200

Chlorophyll molecule contains which ion as a central metal ion?

PMC Practice 2
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) Fe2+

B) Zn2+

C) Cu2+

D) Mg2+

103 / 200

Ribonucleoprotein particles are the name of?

PMC Practice 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) RNA

B) DNA

C) Nucleus

D) Eukaryotic ribosomes

104 / 200

Allotropes are of same?

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Compounds

B) Molecules

C) Ions

D) Elements

105 / 200

Pancreatic zymogens are only activated when they reach the _________.

PMC Practice 2
Biology
Nutrition
Digestion and Absorption
Elimination Tool:

A) Stomach

B) Pancreas

C) Small intestine

D) Large intestine

106 / 200

When a muscle fibre shortens, the following also shortens:

PMC Practice 2
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
Elimination Tool:

A) Actin filament

B) Sarcomere

C) Both Options A and B are correct

D) Myosin

107 / 200

All of the following are continuously varying traits except?

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Kernel colour in wheat

B) Skin colour in humans

C) Height in humans

D) Tongue rolling in humans

108 / 200

Purple non-sulphur bacteria is an example of which of the following?

PMC Practice 2
Biology
Kingdom Prokaryote
Motility and Nutrition in Bacteria
Elimination Tool:

A) Heterotrophic bacteria

B) Saprotrophic bacteria

C) Chemosynthetic bacteria

D) Photosynthetic bacteria

109 / 200

Which of the following types of bacterial reproduction is most similar to mitosis?

PMC Practice 2
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
Elimination Tool:

A) Transduction

B) Transformation

C) Binary fission

D) Conjugation

110 / 200

There is no vaccine against HIV. What is the possible reason?

PMC Practice 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) The virus is highly mutated

B) The vaccine is too expensive

C) The virus can be controlled through change in hygiene

D) None of these options is correct

111 / 200

Which animal of the following is a prototherian?

PMC Practice 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Alligator

B) Penguin

C) Porcupine

D) Spiny anteater

112 / 200

Actual yield is always less than theoretical yield due to?

PMC Practice 2
Chemistry
Stoichiometry
Elimination Tool:

A) Operational losses

B) Reaction reversibility

C) Side reaction

D) All of these options are correct

113 / 200

The first action spectrum was obtained by?

PMC Practice 2
Biology
Bioenergetics
Photosynthetic pigments
Elimination Tool:

A) T. W. Engelmann

B) Malleus

C) T. W. Inws

D) W. Stapes

114 / 200

What structure marks the separation between two sarcomeres?

PMC Practice 2
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
Elimination Tool:

A) I band

B) H zone

C) A band

D) Z line

115 / 200

The epididymis, vas deferens, and urethra are a series of ducts found in which body system?

PMC Practice 2
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) Endocrine

B) Lymphatic

C) Digestive

D) Male reproductive

116 / 200

_________ refers to the breakdown or removal of the capsid.

PMC Practice 2
Biology
Variety of Life
Elimination Tool:

A) Assembly

B) Uncoating

C) Integration

D) Maturation

117 / 200

Which of the following is a unique characteristic of prokaryotic cells?

PMC Practice 2
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
Elimination Tool:

A) Lack of a cytoplast

B) Presence of a cell wall

C) Inability to create proton gradients

D) mRNA translation simultaneous to transcription

118 / 200

Which of the following is an ovoviviparous organism?

PMC Practice 2
Biology
Reproduction
Reproduction in Animals
Elimination Tool:

A) Shark

B) Mammals

C) Frog

D) Duckbill platypus

119 / 200

[Fe (CN)6]4- is called as ______.

PMC Practice 2
Chemistry
Chemical Bonding
Elimination Tool:

A) Complex compound

B) Transition element ion

C) Anion

D) Complex anion

120 / 200

Suppression of ionization means:

PMC Practice 2
Chemistry
Elimination Tool:

A) Decreasing ionization

B) Increasing ionization

C) Maintaining ionization

D) None of these options is correct

121 / 200

The optimum pH for the functioning of the enzyme pepsin is?

PMC Practice 2
Biology
Nutrition
Digestion and Absorption
Elimination Tool:

A) 2

B) 3

C) 4

D) 5

122 / 200

The best function of coelom is described as:

PMC Practice 2
Biology
Growth and Development
Growth and Development in Animals
Elimination Tool:

A) To increase the size of the animals

B) To help in the functioning of the reproductive system

C) To provide space for the development of organs and systems

D) All of these options are correct

123 / 200

What is the name of the region where double-stranded single circular DNA is found in the prokaryotic cell?

PMC Practice 2
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
Elimination Tool:

A) Proton Nucleus

B) Nucleus

C) Nucleoplasm

D) Nucleoid

124 / 200

Saponification number describes _____.

PMC Practice 2
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Unsaturation in fat

B) Average molecular weight of fatty acid

C) Acetyl number

D) Acid number

125 / 200

Where does the dark reaction of photosynthesis takes place?

PMC Practice 2
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
Elimination Tool:

A) Thylakoid

B) Grana

C) Stroma

D) All of these options are correct

126 / 200

The homologous organs show similarity in:

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Shape

B) Origin

C) Function

D) Size

127 / 200

Nontoxic vitamins include which of the following?

PMC Practice 2
Biology
Nutrition
Some Common Diseases Related to Nutrition
Elimination Tool:

A) Vitamin C

B) Vitamin B

C) Both Options A and B are correct

D) None of these options is correct

128 / 200

Which bond provides stability to complex carbohydrate molecules?

PMC Practice 2
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) C-H

B) C-N

C) C-O

D) C-C

129 / 200

Electrode Potential is developed when a metal is dipped into:

PMC Practice 2
Chemistry
Electrochemistry
Elimination Tool:

A) An acid

B) A base

C) In its own ions

D) Water

130 / 200

Thymus is found in the human body in _____.

PMC Practice 2
Biology
Growth and Development
Growth and Development in Animals
Elimination Tool:

A) The medulla oblongata

B) The mediastinum of the upper thorax

C) Both Options A and B are correct

D) None of these options is correct

131 / 200

Which type of cell would be the most appropriate for the study of chloroplasts?

PMC Practice 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Conducting cell

B) Pericycle cell

C) Photosynthetic cell

D) All of these

132 / 200

The spinal cord is part of:

PMC Practice 2
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Brain

B) Central nervous system

C) Peripheral nervous system

D) Somatic division

133 / 200

The structural and functional unit of the lungs is:

PMC Practice 2
Biology
Gaseous Exchange
Respiratory System of Man
Elimination Tool:

A) Alveoli

B) Trachea

C) Bronchiole

D) Bronchus

134 / 200

Who proposed the starch-sugar hypothesis?

PMC Practice 2
Biology
Transport
Elimination Tool:

A) Sager

B) Sayre

C) Mohl

D) Drebs

135 / 200

A neural pathway that controls an action reflex is called:

PMC Practice 2
Biology
Coordination and Control
Steps Involved in Nervous Coordination
Elimination Tool:

A) Nerve cell

B) Reflex arc

C) Receptor cells

D) Mixed nerve

136 / 200

Which of the following is not a vestigial organ of man?

PMC Practice 2
Biology
Evolution
Elimination Tool:

A) Appendix

B) Coccyx

C) Both Options A and B are correct

D) None of these options is correct

137 / 200

None of them _______ able to solve this question.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) Is

B) Were

C) Will

D) Would

138 / 200

We went to the President as a last ______________.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) Recourse

B) Resort

C) Resource

D) Resound

139 / 200

I’m now going to give you 10 _______ tips for running a really successful website.

PMC Practice 2
English
Grammar and Punctuation
Elimination Tool:

A) Invaluable

B) Valueless

C) Unworthy

D) Unprofitable

140 / 200

The two machines _____________ considerably. One has an electric motor, and the other one runs on oil.

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Different

B) Differentiate

C) Differ

D) Difference

141 / 200

We have ________ small house in _________ village in _________ Netherlands.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) The…an…a

B) An…a…the

C) A…a….the

D) A…an…the

142 / 200

Which verb is NOT in the present tense?

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) She listened

B) She talks

C) She waits

D) She eats

143 / 200

There was _____ article about pollution in _____ paper.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) A..an

B) An…the

C) A…the

D) A…a

144 / 200

Choose the correct spelling of the word:

PMC Practice 2
English
Elimination Tool:

A) Prettiest

B) Prettyest

C) Pretiest

D) Preetiest

145 / 200

Find an error in the following sentence:

If I had been thirsty, I would have drank the lemonade without waiting for you.

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) If I had been thirsty

B) I would have

C) Drank the lemonade

D) Without waiting for you.

146 / 200

My parents __________ near Lahore.

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Living

B) Are living

C) Lives

D) Live

147 / 200

Choose the correct sentence:

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) "Trust me, I know what I'm doing," Bilal said. "Your car is not hard to fix."

B) "Trust me, I know what I'm doing," Bilal said. "your car are not hard to fix."

C) "Trust me I know what Im doing," Bilal said. "Your car is not hard to fix."

D) "Trust me, I know what I'm doing," Bilal said. Your car is not hard to fix.

148 / 200

Sameer __________ in the park every day.

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Run

B) Runs

C) Running

D) Walk

149 / 200

Choose the correct sentence from the following options:

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Did you know that they're leaving the city for good.

B) Did you know that they're leaving the city for good?

C) Did you know that the'yre leaving the city for good?

D) Did you know that theyre leaving the city for good.

150 / 200

How can the underlined word be changed?

Mrs Rose planning to do a course in Biology next week.

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Are planning

B) Plans

C) With a plan

D) Planning

151 / 200

Have you ________ the examination?

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) Take

B) Took

C) Taken

D) Taking

152 / 200

Sumafra was surprised when her boss didn’t ______ the dinner that they had at the restaurant.

PMC Practice 2
English
Grammar and Punctuation
Fill in the blank
Elimination Tool:

A) Buy

B) Pay

C) Pay for

D) Spend

153 / 200

Some of the books on the table __________ to me.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) Belong

B) Belonging

C) Belongs

D) Was belong

154 / 200

I ____________ English since my childhood.

PMC Practice 2
English
Fill in the blank
Elimination Tool:

A) Study

B) Am studying

C) Have been studying

D) Studied

155 / 200

Find the error in the following sentence:

PMC Practice 2
English
Identify errors in sentence
Elimination Tool:

A) They have been

B) Very close friends

C) Until they quarelled

D) Over a petty issue.

156 / 200

They will bake the pies. Which tense is used here?

PMC Practice 2
English
Tenses and Sentence Structure
Elimination Tool:

A) Present

B) Past

C) Future

D) Universal

157 / 200

Voltage in secondary winding is _____________ to the current in the secondary coil.

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Transformers
Elimination Tool:

A) Directly proportional

B) Inversely proportional

C) Directly squared proportional

D) Not enough information is available

158 / 200

If we are standing in a bus and the driver applies a brake then we feel:

PMC Practice 2
Physics
Forces and Motion
Elimination Tool:

A) A pseudo force pushes backwards

B) A pseudo force pushes forwards

C) A real force pushes backwards

D) A real force pushes forwards

159 / 200

Magnetic field lines created by current carrying wire are?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Magnetic Field Due to Current in a Long Straight Wire
Elimination Tool:

A) Helical

B) Elliptical

C) Hyperbolic

D) Circular

160 / 200

The first law of thermodynamics can be stated as?

PMC Practice 2
Physics
Heat and Thermodynamics
Elimination Tool:

A) Q = ΔU + W

B) Q + ΔU = W

C) Q = ΔU x W

D) Option D

161 / 200

The strength of a magnetic field is called?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
Elimination Tool:

A) Strength

B) Flux

C) Magnetic flux density

D) Density

162 / 200

Which one of them is a type of emission?

PMC Practice 2
Physics
Nuclear Physics
Nuclear Reactions
Elimination Tool:

A) Spontaneous

B) Stimulated

C) Both Options A and B are correct

D) None of these options is correct

163 / 200

A line normal to the wavefront, showing the direction of the propagation of light is called the:

PMC Practice 2
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) Tangent

B) Radius

C) Wavelength

D) Ray of light

164 / 200

C14 has a half-life of 5700 years. At the end of 11400 years, the actual amount left is?

PMC Practice 2
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) 0.0625 of the original amount

B) 0.5 of the original amount

C) 0.25 of the original amount

D) 0.125 of the original amount

165 / 200

EMF becomes equal to the terminal potential difference when the:

PMC Practice 2
Physics
Current Electricity
Electomotive Force and Potential Difference
Elimination Tool:

A) Circuit is closed

B) Current is max

C) Circuit is open

D) All of these options are correct

166 / 200

Consider a car is travelling for one hour. In which of the following cases is the average velocity zero?

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) The car travels 20 km due east

B) The car travels 60 km due east, then turns around and travels 40 km due west

C) The car travels 70 km due east

D) The car travels 30 km due west, then turns around and travels 30 km due east

167 / 200

Three objects are brought close to each other, two at a time. When objects A and B are brought together, they repel. When objects B and C are brought together, they also repel. Which of the following is true?

PMC Practice 2
Physics
Elimination Tool:

A) Objects A and C possess charges of the same sign, but not B

B) Objects A and C possess charges of the opposite sign

C) All three objects possess charges of the same sign

D) One object is neutral

168 / 200

What is the de Broglie wavelength associated with an electron, accelerated through a potential difference of 200 volts?

PMC Practice 2
Physics
Wave Motion and Sound
Elimination Tool:

A) 1 nm

B) 0.5 nm

C) 0.0056 nm

D) 0.086 nm

169 / 200

Galvanometer is an?

PMC Practice 2
Physics
Current Electricity
Electric Current
Elimination Tool:

A) Electromechanical device

B) Electrosolar device

C) Electrothermal device

D) None of these options is correct

170 / 200

The nuclear forces are considered as?

PMC Practice 2
Physics
Nuclear Physics
Composition of Atomic Nuclei
Elimination Tool:

A) Strong force

B) Weak force

C) Electromagnetic force

D) All of these options are correct

171 / 200

Find the resistance if the voltage of a circuit is 45 volts and current is 30 Amperes?

PMC Practice 2
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) 1.6 Ohms

B) 1.5 Ohms

C) 1.7 Ohms

D) 1.8 Ohms

172 / 200

When the nucleus of an unstable atom emits only gamma radiation, the nucleus must:

PMC Practice 2
Physics
Nuclear Physics
Nuclear Reactions
Elimination Tool:

A) Gain energy

B) Lose energy

C) Lose protons

D) Gain protons

173 / 200

In a periodic wave, the distance between the second and fifth crest is 15 cm. What is the wavelength of the wave?

A) 45 cm

B) 5 cm

C) 1/5 cm

D) 1/3 cm

174 / 200

A liquid has mass m and specific heat capacity c. The rate of change in temperature of the liquid is R. What is the rate at which heat is transferred from the liquid.

PMC Practice 2
Physics
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Rmc

B) R/me

C) me/R

D) Rm/c

175 / 200

Which, among the following qualities, is not affected by the magnetic field?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
Elimination Tool:

A) Moving charge

B) Charge in magnetic flux

C) Current flowing in conductor

D) Stationary charge

176 / 200

The shortest distance between two points on the wave that have a phase difference of (π/3) is 5 cm. What is its wavelength?

PMC Practice 2
Physics
Wave Motion and Sound
Elimination Tool:

A) 10 cm

B) 20 cm

C) 30 cm

D) 40 cm

177 / 200

According to Einstein, mass and energy are:

PMC Practice 2
Physics
Elimination Tool:

A) Inversely proportional

B) Directly proportional

C) Equal to each other

D) None of these options is correct

178 / 200

Consider two capacitors with capacitance 2µF and 4µF. With which type of connection will the 4µF capacitor have a greater amount of stored energy than the 2µF capacitor?

PMC Practice 2
Physics
Alternating Current
Principle of Generation, Transmission and Reception of Electromagnetic Waves
Elimination Tool:

A) Series

B) Parallel

C) Either series or parallel

D) Neither series nor parallel

179 / 200

When a body moves in a circle, the angle between its linear velocity and angular velocity is always?

PMC Practice 2
Physics
Motion in Two Dimensions
Elimination Tool:

A) 180°

B) 0°

C) 90°

D) 45°

180 / 200

If the magnetic field is parallel to a surface, then the magnetic flux through the surface is:

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
Elimination Tool:

A) Zero

B) Small but not zero

C) Infinite

D) Larger than 1

181 / 200

X-ray is the reverse process of:

PMC Practice 2
Physics
Nuclear Physics
Elimination Tool:

A) Pair production

B) Compton effect

C) Photoelectric effect

D) Both Options A and B are correct

182 / 200

Which principle is used in solar cells?

PMC Practice 2
Physics
Elimination Tool:

A) Momentum

B) Charge

C) Mass

D) All of these options are correct

183 / 200

Steady current does not change with respect to ________.

PMC Practice 2
Physics
Current Electricity
Electric Current
Elimination Tool:

A) Conductor

B) Source

C) Time

D) Potential difference

184 / 200

Which of the following is a radioactive substance?

PMC Practice 2
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) Uranium

B) Radium

C) Thorium

D) All of the above options are correct

185 / 200

Michelson measured the length of a standard meter in terms of the wavelength of:

PMC Practice 2
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) Green cadmium light

B) Violet cadmium light

C) Red cadmium light

D) Blue cadmium light

186 / 200

The phase angle between two points is 3π. The distance between these points is 15 cm. What is the wavelength of the wave?

PMC Practice 2
Physics
Wave Motion and Sound
Elimination Tool:

A) 30 cm

B) 45 cm

C) 5 cm

D) 10 cm

187 / 200

A container contains N2 gas at TK. The number of moles of gas is n0. Consider it behaves like an ideal gas and its RMS speed is v0. Suppose the temperature of the gas is tripled and N2 molecules dissociate into atoms, then what will be the RMS speed of the atom?

PMC Practice 2
Physics
Elimination Tool:

A) v0√6

B) √6v0

C) v0√3

D) √3v0

188 / 200

A particle of mass ‘m’ is projected from the ground with an initial speed u0 at an angle ‘α’ with the horizontal. At the highest point of its trajectory, it makes a completely in-elastic collision with another particle of mass ‘m’ which was thrown vertically upward from the ground with the same initial speed u0. The angle that the composite system makes with the horizontal immediately after the collision is?

PMC Practice 2
Physics
Circular Motion & Momentum
Elimination Tool:

A) 45°

B) 45°-α

C) 45°+α

D) 90°

189 / 200

If a half-wave rectifier is used to convert 50 Hz AC into DC, then the number of pulses present in the rectifier voltage is:

PMC Practice 2
Physics
Alternating Current
A.C. Circuits
Elimination Tool:

A) 25

B) 50

C) 100

D) 75

190 / 200

Isothermal process can be defined as?

PMC Practice 2
Physics
Heat and Thermodynamics
Elimination Tool:

A) PV = constant

B) PV = RT

C) PIV = constant

D) P/V = Nrt

191 / 200

Mass and energy are related to each other by:

PMC Practice 2
Physics
Elimination Tool:

A) Newton's law

B) Einstein's law

C) Coulomb's law

D) All of these options are correct

192 / 200

A charged particle moving with velocity v, enters a uniform magnetic field B. The direction of v is perpendicular to B. What is the path of the charged particle inside the magnetic field?

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
Elimination Tool:

A) Parabolic

B) Circular

C) Parallel to v

D) Parallel to B

193 / 200

In a centre tap full-wave rectifier, if Vm is the peak voltage across the secondary coil of a transformer, the maximum voltage across the reverse bias is:

PMC Practice 2
Physics
Elimination Tool:

A) Vm

B) Vm/√2

C) 2Vm

D) Vm/3

194 / 200

A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes earth at the same level with a velocity of 500 m/s. The work done in overcoming the resistance of air will be:

PMC Practice 2
Physics
Work, Power & Energy
Elimination Tool:

A) 500 J

B) 5000 J

C) 3750 J

D) 475 J

195 / 200

Displacement is a:

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Tensor

B) Vector

C) Scalar

D) None of these options is correct

196 / 200

The ripple factor of a half-wave rectifier is:

PMC Practice 2
Physics
Alternating Current
Elimination Tool:

A) 1.21

B) 0.8

C) 0.6

D) 0.4

197 / 200

A metal rod of length 4 m, velocity 5 m/s and magnetic field 0.5 T will have an induced EMF of:

PMC Practice 2
Physics
Magnetism and Electromagnetic Induction
Induced EMF and Induced Current
Elimination Tool:

A) 10 V

B) 20 V

C) 30 V

D) 4 V

198 / 200

If r= 1m and θ = 1° then what is the value of S?

PMC Practice 2
Physics
Circular Motion & Momentum
Elimination Tool:

A) 0.01745 m

B) 1 m

C) 2 m

D) None of the options above are correct

199 / 200

Consider a car is travelling for one hour. Which of the following trips have the same average velocity?

PMC Practice 2
Physics
Scalars and Vectors
Basic Concepts of Vectors
Elimination Tool:

A) Car travels 20 km due east and car travels 70 km due east

B) Car travels 40 km due east, then turns around and travels 20 km due west and a car that travels 20 km due east

C) Car travels 70 km due east and a car that travels 40 km due east, then turns around and travels 20 km due west

D) Car travels 30 km due west, then turns around and travels 30 km due east and a car that travels 40 km due east, then turns around and travels 20 km due west

200 / 200

An example of a non-ohmic resistor is:

PMC Practice 2
Physics
Current Electricity
Ohms Law
Elimination Tool:

A) Diode

B) Tungsten wire

C) Carbon resistor

D) Copper wire

Your score is

The average score is 62%

0%

PLS Boost Bundle