KMU MDCAT Mock Test 4

Created by Ali Durrani

KMU MDCAT Mock Test 4

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1 / 199

Smooth muscles, cardiac muscles, and organs are regulated by which of the following?

KPK Mock 5
Biology
Coordination and Control
Coordination in Animals
A) Central nervous system
Show Explanation
B) Parasympathetic nervous system
Show Explanation
C) Sympathetic nervous system
Show Explanation
D) Autonomic system
Show Explanation

A

B

C

D

2 / 199

Enzymes work by which of the following?

Enzymes
KPK Mock 5
Biology
A) Increasing the activation energy
Show Explanation
B) Reducing the activation energy
Show Explanation
C) Making exergonic reactions endergonic
Show Explanation
D) Making endergonic reactions exergonic
Show Explanation

A

B

C

D

3 / 199

Which of the following organelles are present in all the bacteria?

Biology
Transport
KPK Mock 5
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Mesosome
Show Explanation
B) Golgi bodies
Show Explanation
C) Mitochondria
Show Explanation
D) Chloroplast
Show Explanation

A

B

C

D

4 / 199

Two species can avoid competition and better use the environment’s resources by occupying different ____.

Biology
Transport
KPK Mock 5
Biology
Evolution
A) Adaptations
Show Explanation
B) Polymorphism
Show Explanation
C) Niches
Show Explanation
D) Specialization
Show Explanation

A

B

C

D

5 / 199

Organs which produce voice in birds is:

Biology
Transport
KPK Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Larynx
Show Explanation
B) Pharynx
Show Explanation
C) Syrinx
Show Explanation
D) Both A and C
Show Explanation

A

B

C

D

6 / 199

The active uptake of sodium in the ascending limb or thick loop of Henle is promoted by the action of:

KPK Mock 5
Biology
Homeostasis
Structure and Importance of the Kidney
A) Aldosterone
Show Explanation
B) Thyroxine
Show Explanation
C) ADH
Show Explanation
D) Cortisone
Show Explanation

A

B

C

D

7 / 199

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

Biology
Transport
Enzymes
KPK Mock 5
Biology
A) Holoenzymes
Show Explanation
B) Actinases
Show Explanation
C) Zymogens
Show Explanation
D) Mucopolysaccharides
Show Explanation

A

B

C

D

8 / 199

Which of the following bacteria are without a cell wall?

Biology
Transport
KPK Mock 5
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Mycoplasma
Show Explanation
B) Gram positive bacteria
Show Explanation
C) Gram negative bacteria
Show Explanation
D) Archaeo bacteria
Show Explanation

A

B

C

D

9 / 199

A central cavity of the kidney where urine is collected after filtration is known as:

Biology
Transport
KPK Mock 5
Biology
A) Ureter
Show Explanation
B) Urethra
Show Explanation
C) Pelvis
Show Explanation
D) Urinary Bladder
Show Explanation

A

B

C

D

10 / 199

The cell wall of most of the bacteria have a unique macromolecule called_______.

Biology
Transport
KPK Mock 5
Biology
Biological Molecules
Carbohydrates
A) Cellulose
Show Explanation
B) Chitin
Show Explanation
C) Fibres
Show Explanation
D) Fats
Show Explanation
E) Peptidoglycan
Show Explanation

A

B

C

D

E

11 / 199

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

Biology
Transport
KPK Mock 5
Biology
Biological Molecules
Lipids
A) Four
Show Explanation
B) Three
Show Explanation
C) Two
Show Explanation
D) Five
Show Explanation

A

B

C

D

12 / 199

Amphibians live on:

Biology
Transport
KPK Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Water
Show Explanation
B) Water and land
Show Explanation
C) Land
Show Explanation
D) Air
Show Explanation

A

B

C

D

13 / 199

What are the subunits of capsids?

KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Capsomeres
Show Explanation
B) Flagella
Show Explanation
C) Hyphae
Show Explanation
D) September
Show Explanation

A

B

C

D

14 / 199

Which method from the following is an example of asexual reproduction?

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Animals
A) Sporulation
Show Explanation
B) Fission
Show Explanation
C) Apomixis
Show Explanation
D) All of these options are correct
Show Explanation

A

B

C

D

15 / 199

Which of the following is NOT a viral disease?

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) AIDS
Show Explanation
B) Malaria
Show Explanation
C) Influenza
Show Explanation
D) Chickenpox
Show Explanation

A

B

C

D

16 / 199

The uterus of the female reproductive system opens into the:

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Females
A) Placenta
Show Explanation
B) Birth canal
Show Explanation
C) Cervix
Show Explanation
D) All of these options are correct
Show Explanation

A

B

C

D

17 / 199

The enzyme in breast milk that causes the coagulation of milk or forms precipitates of milk is:

Biology
Transport
KPK Mock 5
Biology
Classification of Enzymes
A) Rennin
Show Explanation
B) Trypsin
Show Explanation
C) Amylase
Show Explanation
D) Lipase
Show Explanation

A

B

C

D

18 / 199

As an excretory organ, liver:

KPK Mock 5
Biology
Homeostasis
Excretion in Animals
A) Detoxifies many chemical poisons
Show Explanation
B) Breaks down ammonia for excretion by the kidneys
Show Explanation
C) Produces urea and uric acids from the nitrogen of amino acids
Show Explanation
D) All of the above
Show Explanation

A

B

C

D

19 / 199

The term ‘cell’ was given by

KPK Mock 5
Biology
Cell Structure and Function
Introduction to Cell and it’s theory
A) Leeuwenhoek
Show Explanation
B) Robert Hooke
Show Explanation
C) Flemming
Show Explanation
D) Robert Brown
Show Explanation

A

B

C

D

20 / 199

Which of the following wavelength is absorbed maximum for photosynthesis?

KPK Mock 5
Biology
Bioenergetics
Photosynthetic pigments
A) 660 nm
Show Explanation
B) 680 nm
Show Explanation
C) 440 nm
Show Explanation
D) 700 nm
Show Explanation

A

B

C

D

21 / 199

Bacterial pilli help in:

Biology
Transport
KPK Mock 5
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Locomotion
Show Explanation
B) Conjugation
Show Explanation
C) Phagocytosis
Show Explanation
D) Pinocytosis
Show Explanation

A

B

C

D

22 / 199

Chicken pox is caused by:

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Hepatitis A virus
Show Explanation
B) Varicella zoster virus
Show Explanation
C) Influenza virus
Show Explanation
D) Human immunodeficiency virus
Show Explanation

A

B

C

D

23 / 199

Which of the following is the simplest form of pathogens causing diseases?

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Viruses
Show Explanation
B) Prions
Show Explanation
C) Fungus
Show Explanation
D) Amoeba
Show Explanation

A

B

C

D

24 / 199

Only one ovary is functional at a time in:

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Animals
A) Human
Show Explanation
B) Eagle
Show Explanation
C) Chicken
Show Explanation
D) Pigeon and human
Show Explanation

A

B

C

D

25 / 199

Enzymes that are functioning within the cell are called:

Biology
Transport
KPK Mock 5
Chemistry
Chemistry of Life
A) Endoenzymes
Show Explanation
B) Exoenzymes
Show Explanation
C) Holoenzymes
Show Explanation
D) Both A & C
Show Explanation

A

B

C

D

26 / 199

Germ theory was presented by:

Biology
Transport
KPK Mock 5
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Robert Koch
Show Explanation
B) Antonie van Leeuwenhoek
Show Explanation
C) Robert Hooke
Show Explanation
D) Robert Brown
Show Explanation

A

B

C

D

27 / 199

Menstrual cycle can be divided into

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Females
A) Single cycle
Show Explanation
B) Two cycles
Show Explanation
C) Three cycles
Show Explanation
D) Four cycles
Show Explanation

A

B

C

D

28 / 199

The upward movement of sap by the xylem is:

KPK Mock 5
Biology
Transport
A) Ascent of sap
Show Explanation
B) Plasmolysis
Show Explanation
C) Deplasmolysis
Show Explanation
D) Guttation
Show Explanation

A

B

C

D

29 / 199

Coelom that develops from the archenteron as outpouching is?

KPK Mock 5
Biology
Kingdom Animalia
Classification according to Coelem
A) Pseudocoelom
Show Explanation
B) Schizocoelom
Show Explanation
C) Enterocoelom
Show Explanation
D) Both a and b
Show Explanation

A

B

C

D

30 / 199

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

KPK Mock 5
Biology
Biological Molecules
Water
A) Cohesion
Show Explanation
B) Tension
Show Explanation
C) Adhesion
Show Explanation
D) Imbibition
Show Explanation

A

B

C

D

31 / 199

An amphibian’s heart has ______ chambers:

Biology
Transport
KPK Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Two
Show Explanation
B) Three
Show Explanation
C) Four
Show Explanation
D) Five
Show Explanation

A

B

C

D

32 / 199

Gametes in animals are produced by which of the following?

KPK Mock 5
Biology
Cell Cycle
Meiosis
A) Mitosis
Show Explanation
B) Meiosis
Show Explanation
C) Fission
Show Explanation
D) All of these options are correct
Show Explanation

A

B

C

D

33 / 199

Which of the following, which is the incorrectly paired one?

Biology
Transport
KPK Mock 5
Biology
Cell Structure and Function
Introduction to Cell and it’s theory
A) Robert Hooke … cell wall
Show Explanation
B) Schlelden and schwann … cell theory
Show Explanation
C) Robert Brown… nucleus
Show Explanation
D) Watson and Crick … DNA model
Show Explanation
E) Virchow… mosaic model of plasma membrane
Show Explanation

A

B

C

D

E

34 / 199

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

KPK Mock 5
Biology
Evolution
A) Fitness
Show Explanation
B) Heritability
Show Explanation
C) Limited environmental resources
Show Explanation
D) Overproduction of offspring
Show Explanation

A

B

C

D

35 / 199

Which of the following factors affect enzyme activity?

Biology
Transport
Enzymes
KPK Mock 5
Biology
A) Temperature
Show Explanation
B) pH
Show Explanation
C) Concentration of substrate
Show Explanation
D) Radiation
Show Explanation
E) All of these
Show Explanation

A

B

C

D

E

36 / 199

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

KPK Mock 5
Biology
Biotechnology
Genetic Engineering & its tools
A) Replication
Show Explanation
B) Recombination
Show Explanation
C) Gene mapping
Show Explanation
D) None of these options is correct
Show Explanation

A

B

C

D

37 / 199

Assymetrical body is a feature of phylum _______________.

KPK Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Annelida
Show Explanation
B) Arthropoda
Show Explanation
C) Porifera
Show Explanation
D) Cnidaria
Show Explanation

A

B

C

D

38 / 199

Protein contains ____.

Biology
Transport
KPK Mock 5
Biology
Biological Molecules
Proteins
A) Inorganic bonds
Show Explanation
B) Peptide bonds
Show Explanation
C) Glucosidic bonds
Show Explanation
D) Covalent bonds
Show Explanation

A

B

C

D

39 / 199

Coelom is a cavity lined by:

Biology
Transport
KPK Mock 5
Biology
Classification according to Coelem
A) Mesoderm
Show Explanation
B) Endoderm
Show Explanation
C) Epiderm
Show Explanation
D) Ectoderm
Show Explanation

A

B

C

D

40 / 199

A condition with abnormal amount of fats is called?

KPK Mock 5
Biology
A) Anorexia
Show Explanation
B) Botulism
Show Explanation
C) Piles
Show Explanation
D) Obesity
Show Explanation

A

B

C

D

41 / 199

Which of the following basic structural level of proteins is indicated by an association of two alpha and two beta chains in the haemoglobin molecule?

Biology
Transport
KPK Mock 5
Biology
Biological Molecules
Proteins
A) Primary structure
Show Explanation
B) Secondary structure
Show Explanation
C) Tertiary structure
Show Explanation
D) Quatenary Structure
Show Explanation

A

B

C

D

42 / 199

The shape of the tobacco mosaic virus is:

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Spring shape
Show Explanation
B) Rod shape
Show Explanation
C) Comma shape
Show Explanation
D) Spherical shape
Show Explanation

A

B

C

D

43 / 199

Closely related species are grouped together into ______ .

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Families
Show Explanation
B) Orders
Show Explanation
C) Phyla
Show Explanation
D) Kingdom
Show Explanation
E) Genus
Show Explanation

A

B

C

D

E

44 / 199

The set of all genes in any population is termed as?

KPK Mock 5
Biology
Variation and Genetics
Mendelian Inheritance
A) Population tool
Show Explanation
B) Species tool
Show Explanation
C) Gene pool
Show Explanation
D) All of these options are correct
Show Explanation

A

B

C

D

45 / 199

Mark the one Kingdom having the most conspicuous living organisms?

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Monera
Show Explanation
B) Protista
Show Explanation
C) Animalia
Show Explanation
D) Plantae
Show Explanation

A

B

C

D

46 / 199

Among the most abundant biomolecules, _____ is the most abundant one on earth.

Biology
Transport
KPK Mock 5
Chemistry
Biological Molecules
Carbohydrates
A) Proteins
Show Explanation
B) Carbohydrates
Show Explanation
C) Lipids
Show Explanation
D) Vitamins
Show Explanation

A

B

C

D

47 / 199

The first simplest oxygen producing organism:

Biology
Transport
KPK Mock 5
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Methanogens
Show Explanation
B) Cyanobacteria
Show Explanation
C) Euglena
Show Explanation
D) Spirogyra
Show Explanation

A

B

C

D

48 / 199

Which of the following is correct in humans?

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Males
A) Both sperm and egg contain yolk
Show Explanation
B) All genetic information comes from sperm
Show Explanation
C) Sperm contains little cytoplasm
Show Explanation
D) Fertilization commonly occurs in the uterus
Show Explanation

A

B

C

D

49 / 199

The viruses are:

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Cellular
Show Explanation
B) Prokaryotes
Show Explanation
C) Non-cellular
Show Explanation
D) Eukaryotes
Show Explanation

A

B

C

D

50 / 199

A neural pathway that controls an action reflex is called:

KPK Mock 5
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Nerve cell
Show Explanation
B) Reflex arc
Show Explanation
C) Receptor cells
Show Explanation
D) Mixed nerve
Show Explanation

A

B

C

D

51 / 199

In humans, the temperature regulation control center is located in:

KPK Mock 5
Biology
Homeostasis
Thermoregulation
A) Kidneys
Show Explanation
B) Brain
Show Explanation
C) Lungs
Show Explanation
D) Liver
Show Explanation

A

B

C

D

52 / 199

Name the inhibitors which can be neutralized by adding more substrate:

Biology
Transport
Enzymes
KPK Mock 5
Biology
A) Competitive Inhibitors
Show Explanation
B) Permanent inhibitors
Show Explanation
C) Non-competitive inhibitors
Show Explanation
D) Irreversible inhibitors
Show Explanation

A

B

C

D

53 / 199

Which one of the following muscles are considered as “Voluntary muscles”?

KPK Mock 5
Biology
Support and Movement
Types of Muscles
A) Smooth muscles
Show Explanation
B) Cardiac muscles
Show Explanation
C) Skeletal muscles
Show Explanation
D) Glandular muscles
Show Explanation

A

B

C

D

54 / 199

The loss of water from the aerial parts of the plant is known as:

Biology
Transport
KPK Mock 5
Biology
Transport
A) Photosynthesis
Show Explanation
B) Transpiration
Show Explanation
C) Reproduction
Show Explanation
D) Respiration
Show Explanation

A

B

C

D

55 / 199

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

KPK Mock 5
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Robert Koch
Show Explanation
B) Louis Pasteur
Show Explanation
C) Alexander Fleming
Show Explanation
D) Antonie van Leeuwenhoek
Show Explanation

A

B

C

D

56 / 199

In all plants, the major sites of photosynthesis are?

KPK Mock 5
Biology
Bioenergetics
Introduction to Photosynthesis
A) Leaves
Show Explanation
B) Stems
Show Explanation
C) Roots
Show Explanation
D) Branches
Show Explanation

A

B

C

D

57 / 199

Lock and Key model ws explained by:

Biology
Transport
Enzymes
KPK Mock 5
Biology
A) Koshland
Show Explanation
B) Emil Fischer
Show Explanation
C) De Duve
Show Explanation
D) De Duve
Show Explanation

A

B

C

D

58 / 199

Female rabbits are:

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Animals
A) induced ovulators
Show Explanation
B) spontaneous ovulators
Show Explanation
C) seasonal ovulators
Show Explanation
D) indifferent ovulators
Show Explanation

A

B

C

D

59 / 199

Egg-laying mammals are called:

Biology
Transport
KPK Mock 5
Biology
Reproduction
Reproduction in Animals
A) Prototheria
Show Explanation
B) Protozoa
Show Explanation
C) Chordata
Show Explanation
D) Monotremes
Show Explanation
E) Both A and D
Show Explanation

A

B

C

D

E

60 / 199

“Zymase”- a group of 14 enzymes, used in the fermentation of starch, is present in:

Biology
Transport
KPK Mock 5
Chemistry
Chemistry of Life
A) Bacteria
Show Explanation
B) Yeast
Show Explanation
C) Fungi
Show Explanation
D) Algae
Show Explanation

A

B

C

D

61 / 199

The following reaction occurs in the human alimentary canal.

What is the enzyme and the product?

Biology
Transport
Enzymes
KPK Mock 5
Biology
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

A

B

C

D

62 / 199

The excretion of hypertonic urine in humans is associated best with the:

KPK Mock 5
Biology
Homeostasis
Structure and Importance of the Kidney
A) Glomerular capsule
Show Explanation
B) Proximal convoluted tubule
Show Explanation
C) Loop of Henle
Show Explanation
D) Distal convoluted tubule
Show Explanation

A

B

C

D

63 / 199

The name animal is derived from what word?

Biology
Transport
KPK Mock 5
Biology
Kingdom Animalia
Introduction to Kingdom Animalia
A) Aname
Show Explanation
B) Anemia
Show Explanation
C) Anima
Show Explanation
D) None of these options is correct
Show Explanation

A

B

C

D

64 / 199

Binomial nomenclature was proposed for the first time by:

Biology
Transport
KPK Mock 5
Biology
Bio-diversity | Variety of Life
A) Charles Darwin (1859)
Show Explanation
B) Rudolph virchow (1855)
Show Explanation
C) Louis Pasteur (1862)
Show Explanation
D) Carolus Linnaeus (1707)
Show Explanation

A

B

C

D

65 / 199

The main target in the prevention of lung cancer is eliminating the ____.

KPK Mock 5
Biology
Gaseous Exchange
Respiratory Disorders
A) Tobacco smoking
Show Explanation
B) Chemicals
Show Explanation
C) Pollutants
Show Explanation
D) Mutagens
Show Explanation

A

B

C

D

66 / 199

Which one of the following does not have intermediate host?

Biology
Transport
KPK Mock 5
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Tapeworm
Show Explanation
B) Ascaris
Show Explanation
C) Liver fluke
Show Explanation
D) Plasmodium
Show Explanation

A

B

C

D

67 / 199

In which model do proteins float in membrane-like iceberg in sea:

Biology
Transport
KPK Mock 5
Biology
Cell Structure and Function
Plasma Membrane
A) Lock and key model.
Show Explanation
B) Induced fit model.
Show Explanation
C) Fluid mosaic model.
Show Explanation
D) Lotka volterra model.
Show Explanation

A

B

C

D

68 / 199

Statement I: The children are being aggressive today.
Statement II: There is no specific limit for children to use mobile screens.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Cause and Effect
A) Statement I is the cause and II is the effect.
Show Explanation
B) Both of the statements are independent.
Show Explanation
C) Statement II is the cause and I is the effect.
Show Explanation
D) Both statements are the effects of some common cause.
Show Explanation

A

B

C

D

69 / 199

On the day Bilal is born,
Jamila weighs more than Javed.
Javed weighs less than Junaid.
Of the three babies, Junaid weighs the most.
If the first two statements are true, the third statement is

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Critical Thinking
A) True
Show Explanation
B) FALSE
Show Explanation
C) Uncertain
Show Explanation
D) None of these
Show Explanation

A

B

C

D

70 / 199

Statements:

1. Dogs are cats.

2. Cats are birds.

Conclusion:

1. Cats are dogs.

2. Dog are birds.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Logical Problems
A) Only conclusion I follows
Show Explanation
B) Only conclusion II follows
Show Explanation
C) Either I or II follows
Show Explanation
D) Neither I nor II follows
Show Explanation

A

B

C

D

71 / 199

Statement
In 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.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Course of Action
A) Both of them follows
Show Explanation
B) None of them follow
Show Explanation
C) Only I follows
Show Explanation
D) Only II follows
Show Explanation

A

B

C

D

72 / 199

A neutron travels a distance of 24 m in a time interval of 3.6 x 10^-4 s. Assuming its speed was constant. Find its kinetic energy. Take 1.7 x 10^-27 kg as the mass of the neutron.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Power and Energy
KPK Mock 5
Physics
Work, Power & Energy
A) 37.702 x 10^-19 joule
Show Explanation
B) 27.702 x 10^-19 joule
Show Explanation
C) 17.70 x 10^-19 joule
Show Explanation
D) 07.702 x 10^-29 joule
Show Explanation

A

B

C

D

73 / 199

The frequency of a man’s voice is 300 Hz. If velocity of sound is 336 m/s, the wavelength of the sound is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Periodic Waves
KPK Mock 5
Physics
Wave Motion and Sound
A) 1.12 m
Show Explanation
B) 300 m
Show Explanation
C) 330 m
Show Explanation
D) 112 m
Show Explanation

A

B

C

D

74 / 199

A box of mass m = 6 kg slides with speed v = 4 m/s across a frictionless floor. It explodes into two pieces: one piece, with mass m1 = 2 kg move in the same direction with speed v1 = 8 m/s. Find the velocity of the second piece.

Biology
Transport
KPK Mock 5
Elastic and Inelastic Collisions
KPK Mock 5
Physics
Forces and Motion
A) 2 m/s
Show Explanation
B) 4 m/s
Show Explanation
C) 8 m/s
Show Explanation
D) 9 m/s
Show Explanation

A

B

C

D

75 / 199

Weber x ampere per meter is equal to:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) Joule
Show Explanation
B) Watt
Show Explanation
C) Newton
Show Explanation
D) Henry
Show Explanation

A

B

C

D

76 / 199

If two sounds have the same wavelength in air at the same temperature, what other property must they also have in common?

Intensity
Amplitude
Frequency
Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Periodic Waves
KPK Mock 5
Physics
Wave Motion and Sound
A) I only
Show Explanation
B) III only
Show Explanation
C) I and II only
Show Explanation
D) II and III only
Show Explanation

A

B

C

D

77 / 199

An apple is thrown with a speed of 30 m/s in a direction 30° above the horizon. Find out its horizontal range. (g= 9.8 m/s2)

Biology
Transport
KPK Mock 5
Maximum height and range of projectile
KPK Mock 5
Physics
Motion in Two Dimensions
A) 20 m
Show Explanation
B) 40 m
Show Explanation
C) 60 m
Show Explanation
D) 80 m
Show Explanation

A

B

C

D

78 / 199

A battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohms. It is connected to a 2.6 ohms resistor through a SPST (single pole, single throw switch).

When the switch is open, the potential difference between the terminal of the battery is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Current Electricity
A) 0 V
Show Explanation
B) 0.8 V
Show Explanation
C) 2.6 V
Show Explanation
D) 5.2 V
Show Explanation
E) 6.0 V
Show Explanation

A

B

C

D

E

79 / 199

Two blocks, X and Y, of masses m and 2m respectively are accelerated along a smooth horizontal surface by a force F applied to block X, as shown in the diagram.

What is the magnitude of the force exerted by block Y on block X during this acceleration?

Biology
Transport
Newton’s Laws of Motion
KPK Mock 5
KPK Mock 5
Physics
Forces and Motion
A) 0
Show Explanation
B) F/3
Show Explanation
C) F/2
Show Explanation
D) 2F/3
Show Explanation

A

B

C

D

80 / 199

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

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Relation between Angular and Linear Velocities
KPK Mock 5
Physics
Circular Motion & Momentum
A) 4.42 m/s
Show Explanation
B) 5.42 m/s
Show Explanation
C) 7.42 m/s
Show Explanation
D) 8.42 m/s
Show Explanation
E) 9.42 m/s
Show Explanation

A

B

C

D

E

81 / 199

A particle is projected from the ground with a kinetic energy E at an angle of 60 degree with the horizontal. Its kinetic energy at the highest point of its motion will be:

Biology
Transport
KPK Mock 5
Projectile motion
KPK Mock 5
Physics
Motion in Two Dimensions
A) E
Show Explanation
B) E/2
Show Explanation
C) E/4
Show Explanation
D) E/8
Show Explanation

A

B

C

D

82 / 199

If the temperature is increased from 200K to 800K, then what would be the change in pressure at constant volume?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) Increases by factor 4
Show Explanation
B) Decreases by factor 4
Show Explanation
C) Increases by factor 2
Show Explanation
D) Decreases by factor 2
Show Explanation

A

B

C

D

83 / 199

A train is approaching a station at 90 km/h sounding a whistle of frequency 1000 Hz. What will be the apparent frequency heard by the listener sitting on the platform if the train moves away from the station at the same speed? (speed of sound= 340 m/s)

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Superposition Of Waves
KPK Mock 5
Physics
Wave Motion and Sound
A) 931.5 Hz
Show Explanation
B) 105.7 Hz
Show Explanation
C) 135.9 Hz
Show Explanation
D) 153.1 Hz
Show Explanation

A

B

C

D

84 / 199

If the potential difference of 1 volt is applied across the end of a conductor and the current flowing through the conductor is one ampere then the resistance of the conductor is said to be?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) 1 Farad
Show Explanation
B) 10 Coulomb
Show Explanation
C) 1 Ohm
Show Explanation
D) 1 coulomb
Show Explanation

A

B

C

D

85 / 199

Beta particles are the particles emitted from the _____ of an atom.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Nuclear Physics
Radioactivity
A) Inner atomic shells
Show Explanation
B) Outer atomic shells
Show Explanation
C) Innermost atomic shell
Show Explanation
D) Nucleus
Show Explanation

A

B

C

D

86 / 199

A simple pendulum completes one oscillation in 4 seconds. Calculate its length when g= 9.8 m/s2, as the time period of a simple pendulum is given by T = 2 π √(l/g)

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) 3.973 m
Show Explanation
B) 5.123 m
Show Explanation
C) 7.111 m
Show Explanation
D) 9.231 m
Show Explanation

A

B

C

D

87 / 199

A body of mass 4 kg attached to a spring is displaced through 0.04 m from its equilibrium position and then released. If the spring constant is 400 N/m, find the time period of the vibration?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Simple Harmonic Motion and Uniform Circular Motion
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) 4.567
Show Explanation
B) 3.416
Show Explanation
C) 2.315
Show Explanation
D) 1.325
Show Explanation
E) 0.628
Show Explanation

A

B

C

D

E

88 / 199

If during circular motion, tangential velocity of a body becomes double, then centripetal force becomes:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Centripetal Force
KPK Mock 5
Physics
Circular Motion & Momentum
A) Double
Show Explanation
B) One half
Show Explanation
C) Four times
Show Explanation
D) One fourth
Show Explanation

A

B

C

D

89 / 199

A body is executing simple harmonic motion if:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) Its acceleration is directly proportional to displacement and directed towards mean position
Show Explanation
B) Its acceleration is inversely proportional to displacement and directed away from mean position
Show Explanation
C) Its acceleration is inversely proportional to displacement and directed towards mean position
Show Explanation
D) Its acceleration is directly proportional to displacement and directed away from mean position
Show Explanation

A

B

C

D

90 / 199

The direction of the magnetic line of force depends upon:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Magnetism and Electromagnetic Induction
Magnetic Field Due to Current in a Long Straight Wire
A) Nature of the material of the conducting wire
Show Explanation
B) Area of the conducting wire
Show Explanation
C) Amount of the current
Show Explanation
D) Direction of the current
Show Explanation

A

B

C

D

91 / 199

The current measuring part of the Ammeter consists of a number of low resistors connected …

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Magnetism and Electromagnetic Induction
Torque on a Current Carrying Coil
A) At an angle of 180 degrees with the galvanometer
Show Explanation
B) Parallel with galvanometer
Show Explanation
C) At an angle of 45 degrees With the galvanometer
Show Explanation
D) Perpendicular with the galvanometer
Show Explanation

A

B

C

D

92 / 199

A football, at rest on the ground, is kicked with an initial velocity of 10 m/s at a launch angle of 30°. Calculate its total flight time, assuming that air resistance is negligible.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Applications of projectile motion
KPK Mock 5
Physics
Motion in Two Dimensions
A) 0.5 s
Show Explanation
B) 1 s
Show Explanation
C) 1.7 s
Show Explanation
D) 2 s
Show Explanation

A

B

C

D

93 / 199

A battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohm. It is connected to a 2.6 ohm resistor through a SPST (single pole, single throw switch):

When the switch is closed, the potential difference between the terminal Is, in volts is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Electomotive Force and Potential Difference
KPK Mock 5
Physics
Current Electricity
A) 0
Show Explanation
B) 0.8
Show Explanation
C) 2.6
Show Explanation
D) 5.2
Show Explanation

A

B

C

D

94 / 199

When the aircraft Concorde is moving in a horizontal plane at a constant speed of 650 ms-1, its turning circle has a radius of 80 km. What is the ratio of the centripetal force to the weight of the aircraft? (g = 9.8 m/s2)

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Centripetal Force
KPK Mock 5
Physics
Circular Motion & Momentum
A) 8.3 x 10^4
Show Explanation
B) 0.54
Show Explanation
C) 1.9
Show Explanation
D) 52
Show Explanation

A

B

C

D

95 / 199

The value of universal constant “R” is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) 8.314 J mol-31K-3
Show Explanation
B) 1.38J mole-1 K-3
Show Explanation
C) 1.38J mole-1 K-1
Show Explanation
D) 8.314 J mole-1 K-1
Show Explanation

A

B

C

D

96 / 199

An aeroplane is flying in a straight line at a constant altitude. If a wing gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position. These oscillations are:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) Undamped
Show Explanation
B) Underdamped
Show Explanation
C) Critically damped
Show Explanation
D) Overdamped
Show Explanation

A

B

C

D

97 / 199

Ohm multiplied by farad is equivalent to:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) Time
Show Explanation
B) Charge
Show Explanation
C) Distance
Show Explanation
D) Capacitor
Show Explanation

A

B

C

D

98 / 199

At what angle of projection of a projectile the range becomes half of its maximum value?

Biology
Transport
KPK Mock 5
Maximum height and range of projectile
KPK Mock 5
Physics
Motion in Two Dimensions
A) 15
Show Explanation
B) 20
Show Explanation
C) 30
Show Explanation
D) 40
Show Explanation

A

B

C

D

99 / 199

“The magnitude of electrostatic acceleration force between two point charges is directly proportional to the product of the magnitude of the charges and inversely proportional to the square of the distance between them.” This is known as:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) Gauss’s Law
Show Explanation
B) Ohm’s law
Show Explanation
C) Faraday’s law
Show Explanation
D) Newton’s Law
Show Explanation
E) Coulomb’s Law
Show Explanation

A

B

C

D

E

100 / 199

A rotating wheel of radius 0.5 m has an angular velocity of 5 rad/s at some instant and 10 rad / s after 5 s. Find the angular acceleration of a point on its rim.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Circular Motion & Momentum
A) 1 rad / s2
Show Explanation
B) 3 rad / s2
Show Explanation
C) 5rad / s2
Show Explanation
D) 7rad / s2
Show Explanation

A

B

C

D

101 / 199

A man throws a ball vertically upward in the compartment of an accelerated train. The ball will fall:

Biology
Transport
KPK Mock 5
Projectile trajectory
KPK Mock 5
Physics
Motion in Two Dimensions
A) ln front of him
Show Explanation
B) In his hand
Show Explanation
C) Behind him
Show Explanation
D) Beside him
Show Explanation

A

B

C

D

102 / 199

The beat frequency is given by:

A

B

C

D

103 / 199

For adiabatic process, the first law of thermodynamics is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) w =∆u = Q
Show Explanation
B) Q = -w
Show Explanation
C) Q = w
Show Explanation
D) w = -∆u
Show Explanation

A

B

C

D

104 / 199

If modulated signal frequency is represented by fm, carrier frequency by fc, fmin and fmax represent minimum and maximum values respectively, then the lower sideband refers to the range:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Fundamental and Overtone Vibration
KPK Mock 5
Physics
Wave Motion and Sound
A) fc – fmax to fc – fmin
Show Explanation
B) fc + fmin to fc + fmax
Show Explanation
C) fc – fm
Show Explanation
D) fm – fc
Show Explanation

A

B

C

D

105 / 199

A bomber drops a bomb when it is vertically above the target. It misses the target because of the:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Motion in Two Dimensions
A) Vertical component of the velocity of bomber
Show Explanation
B) Force of gravity
Show Explanation
C) Acceleration of the bomber
Show Explanation
D) Horizontal component of the velocity of bomber
Show Explanation

A

B

C

D

106 / 199

In what form is the energy stored in a charged capacitor?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) gravitational
Show Explanation
B) electrical potential
Show Explanation
C) magnetic field
Show Explanation
D) potential
Show Explanation

A

B

C

D

107 / 199

A car going around a certain curve at a speed of 25 km/h has a centripetal force acting on it of 100 N. If the speed of the car is doubled, the centripetal force:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Centripetal Force
KPK Mock 5
Physics
Circular Motion & Momentum
A) Is quadrupled
Show Explanation
B) Is doubled
Show Explanation
C) Is multiplied by the√2
Show Explanation
D) Is reduced to ½ of the original value
Show Explanation

A

B

C

D

108 / 199

If ‘-’ means ‘+’, ‘+’ means ‘-’, ‘*’ means ‘÷’ and ‘÷’ means ‘*’ then which of the following will be the correct equation?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Logical Deduction
A) 10 + 5 – 14 ÷ 10 * 15 = 158
Show Explanation
B) 30 + 5 + 14 – 10 * 15 = 122
Show Explanation
C) 30 – 5 + 14 ÷ 10 * 15 = 162
Show Explanation
D) 30 * 5 – 4 ÷ 10 + 15 = 31
Show Explanation

A

B

C

D

109 / 199

The net charge flowing through any section of the conductor per unit time is known as?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) Electric intensity
Show Explanation
B) electric flux
Show Explanation
C) electric current
Show Explanation
D) electric potential
Show Explanation

A

B

C

D

110 / 199

The third law of motion given by Newton deals with an action- reaction pair of forces.

Consider two bodies: if the action is due to one body, the reaction will be due to:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Newton’s Laws of Motion
KPK Mock 5
Physics
Forces and Motion
A) The other body
Show Explanation
B) The same body
Show Explanation
C) Both the bodies
Show Explanation
D) Atmosphere
Show Explanation

A

B

C

D

111 / 199

The values of electric intensity will ____ due to the presence of dielectric medium:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Electrostatics
A) Increase
Show Explanation
B) Increase exponentially
Show Explanation
C) Decrease
Show Explanation
D) Remain same
Show Explanation

A

B

C

D

112 / 199

A ball of mass 2 kg travelling at 8 ms-1strikes a ball of mass 4 kg travelling at 2 ms-1. Both balls are moving along the same straight line as shown.

After collision, both balls move at the same velocity v. What is the magnitude of the velocity v?

Biology
Transport
KPK Mock 5
Elastic and Inelastic Collisions
KPK Mock 5
Physics
Forces and Motion
A) 4 ms-1
Show Explanation
B) 5 ms-1
Show Explanation
C) 6 ms-1
Show Explanation
D) 8 ms-1
Show Explanation

A

B

C

D

113 / 199

If electron passes through axis of solenoid the movement will be:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Towards the outward
Show Explanation
B) Towards the inward
Show Explanation
C) Parallel to its motion
Show Explanation
D) No force acts on it
Show Explanation

A

B

C

D

114 / 199

How many types of modulations are possible with sinusoidal carrier?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Wave Motion and Sound
A) Only one
Show Explanation
B) Two
Show Explanation
C) Three
Show Explanation
D) Four
Show Explanation

A

B

C

D

115 / 199

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

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Motion in Two Dimensions
A) 1.62 m , 24.5 m
Show Explanation
B) 2.22 m , 31 m
Show Explanation
C) 3.22 m , 41 m
Show Explanation
D) 4.22 m , 51 m
Show Explanation

A

B

C

D

116 / 199

8, 10, 14, 18, ___ , 34, 50 , 66:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Logical Reasoning
Letters and Symbols Series
A) 24
Show Explanation
B) 25
Show Explanation
C) 26
Show Explanation
D) 27
Show Explanation

A

B

C

D

117 / 199

The nature of the force of gravitation in the universe is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Circular Motion & Momentum
A) Repulsive only
Show Explanation
B) Attractive only
Show Explanation
C) Electric
Show Explanation
D) Magnetic
Show Explanation

A

B

C

D

118 / 199

A ball is thrown vertically upward with a velocity of 98 m/s. How long does it take to reach its highest point?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Motion in Two Dimensions
A) 2 seconds
Show Explanation
B) 5 seconds
Show Explanation
C) 7 seconds
Show Explanation
D) 10 seconds
Show Explanation

A

B

C

D

119 / 199

A student is performing a lab experiment on simple harmonic motion. He has two different springs (with force constants k1 and k2) and two different blocks (of masses m1 and m2). If k1 =2k2, and m1 = 2m2 , which of the following combinations would give the student the spring-block simple harmonic oscillator with the shortest period?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) The spring with force constant k1 and the block of mass m1
Show Explanation
B) The spring with force constant k1 and the block of mass m2
Show Explanation
C) The spring with force constant k2 and the block of mass m1
Show Explanation
D) The spring with force constant k2 and the block of mass m2
Show Explanation

A

B

C

D

120 / 199

The time of open vibration of a simple pendulum may be decreased by:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Oscillations and Simple Harmonic Motion
A) Increasing the length of the pendulum
Show Explanation
B) Decreasing the length of the pendulum
Show Explanation
C) Using a heavier bob
Show Explanation
D) Using a lighter bob
Show Explanation

A

B

C

D

121 / 199

A progressive wave moving along the X axis is represented by y = A sin [(2 π(vt-x) / λ )]. The wavelength at which the maximum particle velocity is 3 times the wave velocity is:

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Progessive Waves
KPK Mock 5
Physics
Wave Motion and Sound
A) A/3
Show Explanation
B) 3π
Show Explanation
C) 3 / 4λ A
Show Explanation
D) 2 / 3 (πA)
Show Explanation

A

B

C

D

122 / 199

A 60 kg boy runs up a hill through a height of 6 m in 3 seconds. How much work does he do against gravitational force?

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Work Done by Gravitational Field
KPK Mock 5
Physics
Work, Power & Energy
A) 3000 J
Show Explanation
B) 2528 J
Show Explanation
C) 3500 J
Show Explanation
D) 3528 J
Show Explanation

A

B

C

D

123 / 199

The information received at the other end of a fibre can be inaccurate due to of the light signal.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Wave Motion and Sound
A) Longer wavelengths
Show Explanation
B) Frequency
Show Explanation
C) Intensity
Show Explanation
D) Dispersion or Spreading
Show Explanation

A

B

C

D

124 / 199

A battery has an e.m.f. of 4 V and internal resistance ‘r’. When this battery is connected to a resistance of 2 ohms, a current of 1 amp flows in the circuit. How much current will flow if the terminals of the battery are connected directly:-

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
KPK Mock 5
Physics
Current Electricity
Electric Current
A) 1 A
Show Explanation
B) 2 A
Show Explanation
C) 4 A
Show Explanation
D) 6 A
Show Explanation

A

B

C

D

125 / 199

______ is defined as the sensation that sound produces in the ear of a listener and is clearly related to the frequency of sound. Frequency and ______ are both measured in Hertz (Hz). Thus greater the frequency the greater the _____ and lower the frequency lower the _______.

Biology
Transport
KPK Mock 5
Motion in Two Dimensions
Periodic Waves
KPK Mock 5
Physics
Wave Motion and Sound
A) Quality … Pitch … Loudness … Pitch
Show Explanation
B) Pitch … Pitch … Pitch … Pitch
Show Explanation
C) Loudness … Quality … Pitch … Quality
Show Explanation
D) Quality … Quality … Quality … Quality
Show Explanation

A

B

C

D

126 / 199

What part is wrong in the following sentence?

You must had a kind and gentle heart if you want to become a successful doctor.

KPK Mock 5
English
Identify errors in sentence
A) You must had
Show Explanation
B) A kind and gentle heart
Show Explanation
C) If you want
Show Explanation
D) To become a successful doctor.
Show Explanation

A

B

C

D

127 / 199

Choose the correct sentence:

KPK Mock 5
English
Tenses and Sentence Structure
A) He always loved sweets, chocolates, biscuits, and cakes.
Show Explanation
B) He always loved, sweets, chocolates, biscuits and cakes.
Show Explanation
C) He always loved sweets. chocolates, biscuits, and cakes.
Show Explanation
D) He always loved sweets, chocolates biscuits and cakes.
Show Explanation

A

B

C

D

128 / 199

My parents __________ near Lahore.

KPK Mock 5
English
Tenses and Sentence Structure
A) Living
Show Explanation
B) Are living
Show Explanation
C) Lives
Show Explanation
D) Live
Show Explanation

A

B

C

D

129 / 199

Choose the correct spelling:

KPK Mock 5
English
Key Vocabulary
A) Exantuated
Show Explanation
B) Axantuated
Show Explanation
C) Accenchuated
Show Explanation
D) Accentuated
Show Explanation

A

B

C

D

130 / 199

Find errors in the following sentence:

KPK Mock 5
English
Identify errors in sentence
A) We have
Show Explanation
B) Been knowing
Show Explanation
C) Each other
Show Explanation
D) Since we were children.
Show Explanation

A

B

C

D

131 / 199

Select the nearest correct meaning of the word: ‘Unburdened’.

KPK Mock 5
English
Key Vocabulary
A) Hindered
Show Explanation
B) Extort
Show Explanation
C) Free
Show Explanation
D) Encumbered
Show Explanation

A

B

C

D

132 / 199

Choose the correct sentence from the following options:

KPK Mock 5
English
Tenses and Sentence Structure
A) Did you know that they’re leaving the city for good.
Show Explanation
B) Did you know that they’re leaving the city for good?
Show Explanation
C) Did you know that the’yre leaving the city for good?
Show Explanation
D) Did you know that theyre leaving the city for good.
Show Explanation

A

B

C

D

133 / 199

Choose the correct spelling of the word:

KPK Mock 5
English
Grammar and Punctuation
A) Something
Show Explanation
B) Somthing
Show Explanation
C) Sumthing
Show Explanation
D) Sumthin
Show Explanation

A

B

C

D

134 / 199

‘She always carried an umbrella’. The sentence indicates ____ tense.

KPK Mock 5
English
Tenses and Sentence Structure
A) Present Simple
Show Explanation
B) Past Simple
Show Explanation
C) Past Perfect
Show Explanation
D) Present Perfect
Show Explanation

A

B

C

D

135 / 199

We still haven’t come __________ with an interesting theme for the advertising campaign.

KPK Mock 5
English
Fill in the blank
A) On
Show Explanation
B) In
Show Explanation
C) Up
Show Explanation
D) Down
Show Explanation

A

B

C

D

136 / 199

Select the option which fits appropriately in the blank:

I am in London this Summer, I ___________ English.

KPK Mock 5
English
Fill in the blank
A) Learn
Show Explanation
B) Learns
Show Explanation
C) Am learning
Show Explanation
D) Learning
Show Explanation

A

B

C

D

137 / 199

Find errors in the following sentence:

KPK Mock 5
English
Identify errors in sentence
A) The captain, along with his team
Show Explanation
B) Are practising very hard
Show Explanation
C) For the
Show Explanation
D) Forthcoming matches.
Show Explanation

A

B

C

D

138 / 199

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

KPK Mock 5
English
Tenses and Sentence Structure
A) Different
Show Explanation
B) Differentiate
Show Explanation
C) Differ
Show Explanation
D) Difference
Show Explanation

A

B

C

D

139 / 199

Choose the word most similar In meaning to the capitalized one:

INEVITABLE:

KPK Mock 5
English
Key Vocabulary
A) Doubtful
Show Explanation
B) Deny
Show Explanation
C) Unexpected
Show Explanation
D) Certain
Show Explanation

A

B

C

D

140 / 199

In the following sentence, demonstrate the correct use of the subject-verb agreement:

Some of the books on the table _______ to me.

KPK Mock 5
English
Fill in the blank
A) Belong
Show Explanation
B) Belonging
Show Explanation
C) Belongs
Show Explanation
D) Was belong
Show Explanation

A

B

C

D

141 / 199

Complete the following sentence:

My watch is five minutes _____.

KPK Mock 5
English
Tenses and Sentence Structure
A) Behind
Show Explanation
B) Before
Show Explanation
C) Slow
Show Explanation
D) Early
Show Explanation

A

B

C

D

142 / 199

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

KPK Mock 5
English
Grammar and Punctuation
Fill in the blank
A) Buy
Show Explanation
B) Pay
Show Explanation
C) Pay for
Show Explanation
D) Spend
Show Explanation

A

B

C

D

143 / 199

Sameer __________ in the park every day.

KPK Mock 5
English
Tenses and Sentence Structure
A) Run
Show Explanation
B) Runs
Show Explanation
C) Running
Show Explanation
D) Walk
Show Explanation

A

B

C

D

144 / 199

Two rocket fuels below are determined by their high performance.

N2H4(l) + O2(g) -> N2(g) + 2H2O(l) ΔH= -632 kJ

H2 (g) + ½ O2(g) -> H2O(l) ΔH = -286 kJ

If equal masses of hydrazine and hydrogen are used, which of the following has better performance?

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) Hydrazine
Show Explanation
B) Both have equal enthalpy of formation
Show Explanation
C) Hydrogen gas
Show Explanation
D) Cannot be compared
Show Explanation

A

B

C

D

145 / 199

Atomic number of C is 6 and H is 1. How many electrons are present In 1.6 grams of methane?

Biology
Transport
KPK Mock 5
Chemistry
Stoichiometry
Mole
A) 6.02 x 1023
Show Explanation
B) 1.204 x 1023
Show Explanation
C) 1.806 x 1023
Show Explanation
D) 2.408 x 1023
Show Explanation

A

B

C

D

146 / 199

Solution contains 85.5 g of sucrose (C12H22O11) in 250 cm3. What is its molarity?

Biology
Transport
KPK Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Stoichiometry
A) 1 M
Show Explanation
B) 0.5 M
Show Explanation
C) 0.25 M
Show Explanation
D) 2 M
Show Explanation

A

B

C

D

147 / 199

Electronic configuration of M2+ ion is 2, 8, 14 and its atomic weight is 56 amu. The number of neutrons in its nucleus are:

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 30
Show Explanation
B) 32
Show Explanation
C) 42
Show Explanation
D) 52
Show Explanation

A

B

C

D

148 / 199

The reaction: Cl2 + H2O→ HCl + HOCl is an example of:

Biology
Transport
KPK Mock 5
Chemistry
Electrochemistry
Redox Equations
A) Oxidation reaction
Show Explanation
B) Reduction reaction
Show Explanation
C) Auto-oxidation and reduction reaction
Show Explanation
D) Substitution reaction
Show Explanation

A

B

C

D

149 / 199

Real gases behave ideally at:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Real and Ideal Gas Equation
A) Low temperature and low pressure
Show Explanation
B) Moderate temperature and low pressure
Show Explanation
C) High temperature and low pressure
Show Explanation
D) High temperature and high pressure
Show Explanatio

A

B

C

D

150 / 199

For the equilibrium reaction 2 NO2 N2O4 (g) (-61 kJ), increase of temperature would:

Biology
Transport
KPK Mock 5
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) Favour the Formation of N2O4
Show Explanation
B) Favour the Decomposition of N2O4
Show Explanation
C) No Effect on Equilibrium
Show Explanation
D) Stop the Reaction
Show Explanation

A

B

C

D

151 / 199

The quantum numbers +½ and -½ for the electron spin represent:

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Plancks Quantum Theory
A) Rotation of the electron in clockwise and anticlockwise direction respectively
Show Explanation
B) Rotation of the electron in anticlockwise and clockwise direction respectively
Show Explanation
C) Magnetic movement of the electron pointing up and down respectively
Show Explanation
D) Two quantum mechanical spin states which have no classical analogue
Show Explanation

A

B

C

D

152 / 199

Silver oxide decomposes when heated to silver and oxygen. If 0.5 moles of lunar caustic is heated up to 450 degrees, giving out Nitrogen dioxide and oxygen leaving silver as metal, what is the mass of the residue?

Biology
Transport
KPK Mock 5
Chemistry
Stoichiometry
Mole
A) 108 grams
Show Explanation
B) 54 grams
Show Explanation
C) 216 grams
Show Explanation
D) 27 grams
Show Explanation

A

B

C

D

153 / 199

Which one of the following equations correctly defines the enthalpy changes of formation of carbon monoxide:

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) C(s) + 1/2 O2 -> CO(g)
Show Explanation
B) C(g) + 1/2 O2-> CO(g)
Show Explanation
C) C(s) + O(g)-> CO(g)
Show Explanation
D) C(g) + CO2(g) -> 2CO(g)
Show Explanation

A

B

C

D

154 / 199

If uncertainty in the position of an electron is zero the uncertainty in its Momentum is?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Heisenberg’s Uncertainty Principle
A) 1
Show Explanation
B) Zero
Show Explanation
C) 2 x pi x r
Show Explanation
D) >h/4pi
Show Explanation
E) Infinite
Show Explanation

A

B

C

D

E

155 / 199

Work done on the system is

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
A) Negative
Show Explanation
B) depends upon Boundary Conditions
Show Explanation
C) Positive
Show Explanation
D) Zero
Show Explanation

A

B

C

D

156 / 199

How many electrons can have the values n=2, l=1, and s=+½ in the configuration 1s2, 2s2, 2p3?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 1
Show Explanation
B) 3
Show Explanation
C) 5
Show Explanation
D) 7
Show Explanation

A

B

C

D

157 / 199

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

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) 131.1
Show Explanation
B) 1.311
Show Explanation
C) 1.212
Show Explanation
D) 122.1
Show Explanation

A

B

C

D

158 / 199

Many elements have fractional atomic masses. This is because:

Biology
Transport
KPK Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) Mass of atom is itself reactional
Show Explanation
B) Atomic masses are average masses of isobars
Show Explanation
C) Atomic masses are average masses of isotopes
Show Explanation
D) Atomic masses are average masses of isotopes proportional to their abundance
Show Explanation

A

B

C

D

159 / 199

Oxidation number of Nitrogen in HNO3, is:

Biology
Transport
KPK Mock 5
Chemistry
Electrochemistry
Oxidation Number or State
A) +4
Show Explanation
B) +2
Show Explanation
C) +6
Show Explanation
D) +5
Show Explanation

A

B

C

D

160 / 199

The following question belongs to the topic of motion:

Biology
Transport
Displacement, Velocity and Acceleration
KPK Mock 5
Physics
Forces and Motion
A) Average velocity
Show Explanation
B) Uniform velocity
Show Explanation
C) Instantaneous velocity
Show Explanation
D) Variable velocity
Show Explanation

A

B

C

D

161 / 199

Which of the following has lowest e/m ratio?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Li+2
Show Explanation
B) H+
Show Explanation
C) He+
Show Explanation
D) Be
Show Explanation

A

B

C

D

162 / 199

An example of a solution not in equilibrium is:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
A) chemical pH indicator
Show Explanation
B) acid/base buffer
Show Explanation
C) anhydrous solution
Show Explanation
D) hypotonic solution
Show Explanation

A

B

C

D

163 / 199

The unit used to express the relative atomic mass is called

Biology
Transport
KPK Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
A) Gram unit
Show Explanation
B) Avogadro’s number
Show Explanation
C) Atomic mass
Show Explanation
D) Atomic mass unit
Show Explanation

A

B

C

D

164 / 199

A ball is thrown vertically upward with the velocity of 98 m/sec, how high does the ball rise?

Biology
Transport
Equations of Uniformly Accelerated Motion
KPK Mock 5
Physics
Forces and Motion
A) 196 m
Show Explanation
B) 2 m
Show Explanation
C) 1/2 m
Show Explanation
D) 490 m
Show Explanation

A

B

C

D

165 / 199

A bottle of cold drink contains 200 ml liquid in which CO2 is 0.1 molar . Suppose carbon dioxide behaves like an ideal gas the volume of dissolved carbon dioxide at STP is?

Biology
Transport
KPK Mock 5
Chemistry
Stoichiometry
Theoretical Yield, Actual Yield and Percentage Yield
A) 0.224 L
Show Explanation
B) 0.448 L
Show Explanation
C) 22.4 L
Show Explanation
D) 2.24 L
Show Explanation

A

B

C

D

166 / 199

The internal energy of an ideal gas depends upon its:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Non Ideal Behaviour Of Gases
A) Molecular size
Show Explanation
B) Pressure only.
Show Explanation
C) Volume only
Show Explanation
D) Temperature only
Show Explanation

A

B

C

D

167 / 199

Different kinds of atoms of the same element are called isotope having different __________but same ___________ properties.

Biology
Transport
KPK Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Physical, atomic
Show Explanation
B) Physical, chemical
Show Explanation
C) Chemical, physical
Show Explanation
D) Chemical, atomic
Show Explanation

A

B

C

D

168 / 199

The stability of ionic crystal depends principally on:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) High electron affinity of anion forming species
Show Explanation
B) Lattice energy of crystal
Show Explanation
C) Low Ionization energy of cation forming species
Show Explanation
D) Low heat of sublimation of cation forming solid
Show Explanation

A

B

C

D

169 / 199

For a chemical reaction A + B, the threshold energy of the reaction is 31 KJ/mole. The average internal energy of A is 12 KJ/mole. What will be the activation energy of A?

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
A) 43 KJ/mole
Show Explanation
B) 37 KJ/mole
Show Explanation
C) 25 KJ/mole
Show Explanation
D) 19 KJ/mole
Show Explanation

A

B

C

D

170 / 199

The empirical formula of Glucose C6H12O6 is:

Biology
Transport
KPK Mock 5
Chemistry
Stoichiometry
Mole
A) C6H12O6
Show Explanation
B) CHO
Show Explanation
C) CH2O
Show Explanation
D) CH2O2
Show Explanation

A

B

C

D

171 / 199

Thermochemistry is very important to learn about

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Spontaneous and Non-Spontaneous Reactions
A) Chemical Equilibrium
Show Explanation
B) Chemical Bonding
Show Explanation
C) Heat contents of a compound
Show Explanation
D) All of these
Show Explanation

A

B

C

D

172 / 199

In the following reaction:

3Br2 +6CO32- + 3H2O → 5Br-1 + BrO3-1 + 6HCO3-1

Biology
Transport
KPK Mock 5
Chemistry
Electrochemistry
Redox Equations
A) bromine is: reduced and water Is oxidized
Show Explanation
B) bromine is both reduced and oxidized
Show Explanation
C) bromine is oxidized and carbonate is reduced
Show Explanation
D) bromine is neither reduced or oxidized
Show Explanation

A

B

C

D

173 / 199

Which one of the following is not an isotope of hydrogen:

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Deuterium
Show Explanation
B) Tritium
Show Explanation
C) Ortho hydrogen
Show Explanation
D) None of these
Show Explanation

A

B

C

D

174 / 199

Which of the following best describes the emission spectrum of atomic hydrogen?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Atomic Spectrum
A) a discrete series of lines of equal intensity and equally spaced with respect to wavelength equally
Show Explanation
B) a series of only four lines
Show Explanation
C) a continuous emission of radiation of all frequencies
Show Explanation
D) several discrete series of lines with both intensity and spacings between lines decreasing as the wavenumber increases with each series.
Show Explanation

A

B

C

D

175 / 199

The actual volume of gas molecules is considered negligible at following pressures:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) 2 atm
Show Explanation
B) 4 atm
Show Explanation
C) 6 atm
Show Explanation
D) 8 atm
Show Explanation

A

B

C

D

176 / 199

The net heat change in a chemical reaction is the same whether it is brought about in two or more different ways in one or several steps. This is known as:

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Hess’s Law
A) Henry’s law
Show Explanation
B) Hess’s law.
Show Explanation
C) Joule’s principle
Show Explanation
D) Dalton’s law
Show Explanation

A

B

C

D

177 / 199

The oxidation number of all the elements in the free state is:

Biology
Transport
KPK Mock 5
Chemistry
Electrochemistry
Oxidation Number or State
A) 1
Show Explanation
B) 3
Show Explanation
C) 0
Show Explanation
D) -1
Show Explanation

A

B

C

D

178 / 199

If a graph is plotted between pressure on x- axis and volume on y- axis for Boyle’s law verification, the curve obtained is called

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) pseudotherm
Show Explanation
B) isotherm
Show Explanation
C) biotherm
Show Explanation
D) all of these
Show Explanation

A

B

C

D

179 / 199

Exothermic Reactions heat is

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Taken in
Show Explanation
B) Give out to surroundings
Show Explanation
C) Neither given nor lost
Show Explanation
D) None of these
Show Explanation

A

B

C

D

180 / 199

The Balmer series lies in which region of the electromagnetic spectrum?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Atomic Spectrum
A) Ultraviolet
Show Explanation
B) Visible
Show Explanation
C) Infrared
Show Explanation
D) Microwave
Show Explanation

A

B

C

D

181 / 199

According to the general gas equation, density of an ideal gas depends upon:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) Pressure
Show Explanation
B) Temperature
Show Explanation
C) Molar Mass
Show Explanation
D) All of these
Show Explanation

A

B

C

D

182 / 199

Glass is a/an:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Types of Solids
A) Pure solid
Show Explanation
B) Supercooled liquid
Show Explanation
C) Mixture of sodium and calcium
Show Explanation
D) The crystalline form of Na2CO3
Show Explanation

A

B

C

D

183 / 199

The molecular formula expresses?

Biology
Transport
KPK Mock 5
Chemistry
Stoichiometry
Mole
A) Relative number of atoms and electrons
Show Explanation
B) actual number of atoms
Show Explanation
C) both relative and actual number of atoms
Show Explanation
D) none of the above
Show Explanation

A

B

C

D

184 / 199

Diamond and Graphite:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) are isotopes
Show Explanation
B) are isomers
Show Explanation
C) are allotropes
Show Explanation
D) have the same structure
Show Explanation

A

B

C

D

185 / 199

ΔH = ΔE + PΔV is the change in enthalpy at constant ________.

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Volume
Show Explanation
B) Pressure
Show Explanation
C) Temperature
Show Explanation
D) Mass
Show Explanation

A

B

C

D

186 / 199

If we balanced the following reaction , what is the net ionic charge on the right side of the equation?
__H+ +___ MnO4- + ____ Fe2+ →___ Mn2+ + ___ Fe3+ + ___ H2O

Biology
Transport
KPK Mock 5
Chemistry
Electrochemistry
Redox Equations
A) +5
Show Explanation
B) +7
Show Explanation
C) +10
Show Explanation
D) +17
Show Explanation

A

B

C

D

187 / 199

CO2 and SO2 both are tri-atomic molecules but heat of vaporization of SO2 is greater than that of CO2 due to:

Biology
Transport
KPK Mock 5
Chemistry
States of Matter – Gases, Liquids and Solids
Evaporation
A) High electronegativity of S
Show Explanation
B) Greater size of SO2
Show Explanation
C) SO2 is polar and CO2 is non-polar
Show Explanation
D) SO2 is more acidic than CO2
Show Explanation

A

B

C

D

188 / 199

In which of the following will water evaporate earlier?

Biology
Transport
KPK Mock 5
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
A) Cup
Show Explanation
B) Saucepan
Show Explanation
C) Glass
Show Explanation
D) Small bowl
Show Explanation

A

B

C

D

189 / 199

One Calorie is equivalent to:

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) 0.4184J
Show Explanation
B) 41.84 J
Show Explanation
C) 4.184 J
Show Explanation
D) 418.4 J
Show Explanation

A

B

C

D

190 / 199

Colour of the transition metal ions/compounds is due to the electrons present in:

Biology
Transport
KPK Mock 5
Chemistry
d and f Block Elements
A) d-orbital
Show Explanation
B) s-orbital
Show Explanation
C) p-orbital
Show Explanation
D) None of the above
Show Explanation

A

B

C

D

191 / 199

Which of the following hybrid orbitals has maximum “s” character?

Biology
Transport
KPK Mock 5
Chemistry
Chemical Bonding
VSEPR Theory
A) Sp3 hybrid orbital
Show Explanation
B) Sp2 hybrid orbital
Show Explanation
C) Sp hybrid orbital
Show Explanation
D) Dsp2 hybrid orbital
Show Explanation

A

B

C

D

192 / 199

The enthalpy change of the reaction

H2(g) + ½ O2 -> H2O (l)

under standard conditions is:

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Standard States and Enthalpy Changes
A) Enthalpy change of formation of water.
Show Explanation
B) Enthalpy change of neutralization.
Show Explanation
C) Both; enthalpy change of combustion of hydrogen and enthalpy change of formation of water.
Show Explanation
D) Enthalpy change of combustion of hydrogen.
Show Explanation

A

B

C

D

193 / 199

Which pair has 1 electron in it’s ‘s’ orbital?

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Li & Fe
Show Explanation
B) Na & Cr
Show Explanation
C) K & Mn
Show Explanation
D) H & He
Show Explanation

A

B

C

D

194 / 199

Law of mass action was derived by:

Biology
Transport
KPK Mock 5
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) Newton
Show Explanation
B) CM Guldberg
Show Explanation
C) P Waage
Show Explanation
D) CM Guldberg and P Waage
Show Explanation

A

B

C

D

195 / 199

When B- particles are sent through a thin metal foil, most of them go straight through the foil as:

Biology
Transport
KPK Mock 5
Chemistry
Atomic Structure
Rutherfords Model of Atom
A) B- particles are much heavier than electrons
Show Explanation
B) B- particles are positively charged
Show Explanation
C) Most part of the atom is empty space
Show Explanation
D) B- particles move with high velocity
Show Explanation

A

B

C

D

196 / 199

The value K for H2(g) + CO2(g) H2O(g) + CO(g) is 1.80 at 1000 C. If 1.0 mole of each H2 and CO2 are placed in 1 litre flask, the final equilibrium concentration of CO at 1000 C will be:

Biology
Transport
KPK Mock 5
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) 0.295 M
Show Explanation
B) 0.385 M
Show Explanation
C) 0.531 M
Show Explanation
D) 0.473 M
Show Explanation

A

B

C

D

197 / 199

The first ionization energy is maximum for:

Biology
Transport
KPK Mock 5
Chemistry
Chemical Bonding
Ionization Energy
A) Na
Show Explanation
B) Mg
Show Explanation
C) Al
Show Explanation
D) K
Show Explanation

A

B

C

D

198 / 199

If pressure and volume of a gas are variable while temperature remains constant, this belongs to

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Charles’s law
Show Explanation
B) Boyle’s law
Show Explanation
C) Avogadro’s law
Show Explanation
D) Pascal’s law
Show Explanation

A

B

C

D

199 / 199

Given the bond energy N ≡ N, N – H and H – H bonds are 945, 391, and 436 kJmol-1 respectively, the enthalpy of the reaction N2(g) + 3H2(g) -> 2NH3(g) is;

Biology
Transport
KPK Mock 5
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) -93 kJ
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B) 102 kJ
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C) 90 kJ
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D) 105 kJ.
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