Any DNA molecule having foreign DNA is called:

KPK Mock 3
Biology
Chromosomes and DNA
Mutations
A) Mutant
Show Explanation
B) Recombinant
Show Explanation
C) Crossing over
Show Explanation
D) All of the above
Show Explanation

The gills are covered by operculum in

KPK Mock 3
Biology
A) Bony fishes
Show Explanation
B) Cartllaginous fishes
Show Explanation
C) Lung fishes
Show Explanation
D) Jawless fishes
Show Explanation

Sunken-stomata are found in the leaves of:

KPK Mock 3
Biology
A) Hydrophytes
Show Explanation
B) Xerophytes
Show Explanation
C) Mesophytes
Show Explanation
D) Glbberellins
Show Explanation

Which is not correct about polyvinyl chloride?

KPK Mock 3
Biology
A) It is used in large scale production of cable insulator
Show Explanation
B) It is a copolymer
Show Explanation
C) It is a homopolymer
Show Explanation
D) It is used in the manufacturing of pipes
Show Explanation

The chloroplast size is about.

KPK Mock 3
Biology
A) 1-2 µm
Show Explanation
B) 2-4 µm
Show Explanation
C) 4-6 µm
Show Explanation
D) 6-8 µm
Show Explanation

Phagocytosis, pinocytosis and autophagy are the functions of:

KPK Mock 3
Biology
A) Golgi-Apparatus
Show Explanation
B) Lysosomes
Show Explanation
C) Peroxisomes
Show Explanation
D) Glyoxisomes
Show Explanation

Which of the following animals is not ectothermic?

KPK Mock 3
Biology
Homeostasis
A) Salamander
Show Explanation
B) Great white shark
Show Explanation
C) Polar bear
Show Explanation
D) Butterfly
Show Explanation

Coelentrates have hydrostatic skeletion except:

KPK Mock 3
Biology
A) Coral
Show Explanation
B) Sea anemone
Show Explanation
C) Hydra
Show Explanation
D) Jelly fish
Show Explanation

The osmotic pressure of dilute solution is given by the formula:

KPK Mock 3
Biology
A) Optton A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

Basidiomycota is also called as:

KPK Mock 3
Biology
A) Club-mosses
Show Explanation
B) Club-fungi
Show Explanation
C) Sac-fungi
Show Explanation
D) Bread mold
Show Explanation

The smallest gametophyte is present in:

KPK Mock 3
Biology
A) Adiantum
Show Explanation
B) Funaria
Show Explanation
C) Marchantia
Show Explanation
D) Angiosperms
Show Explanation

The bone dissolving cells are called:

KPK Mock 3
Biology
Support and Movement
A) Osteoclast
Show Explanation
B) Osteoblasts
Show Explanation
C) Osteocytes
Show Explanation
D) Fibroblast
Show Explanation

The birds excrete:

KPK Mock 3
Biology
A) Ammonia
Show Explanation
B) Urea
Show Explanation
C) Uric acid
Show Explanation
D) Acetic acid
Show Explanation

Which of the following animal is included in deuterostome?

KPK Mock 3
Biology
A) Mytilus
Show Explanation
B) Chaetopterus
Show Explanation
C) Penguin
Show Explanation
D) Jelly fish
Show Explanation

Incubation period of ―”HCV” is:

KPK Mock 3
Biology
A) 2-6 weeks
Show Explanation
B) 4-10 weeks
Show Explanation
C) 4-20 weeks
Show Explanation
D) 4-26 weeks
Show Explanation

A condition of excessive thirst due to diabetes is called:

KPK Mock 3
Biology
A) Polyuria
Show Explanation
B) Glycusuria
Show Explanation
C) Polyphagia
Show Explanation
D) Polydipsia
Show Explanation

A protist that forms sea-weeds is:

KPK Mock 3
Biology
A) Red algae
Show Explanation
B) Brown algae
Show Explanation
C) Green algae
Show Explanation
D) Diatoms
Show Explanation

Which of the following is an enzyme lacking disease?

Enzymes
KPK Mock 3
Biology
A) PKU
Show Explanation
B) Alkaptunuria
Show Explanation
C) Anuria
Show Explanation
D) Dluria
Show Explanation

Implantation of zygote takes place in the:

KPK Mock 3
Biology
A) 2nd week
Show Explanation
B) 3rd week
Show Explanation
C) 7th week
Show Explanation
D) 5th week
Show Explanation

Appendix is vestigial in man but may play role in:

KPK Mock 3
Biology
Support and Movement
A) Digestion
Show Explanation
B) Excretion
Show Explanation
C) Immunity
Show Explanation
D) Movement
Show Explanation

Accessory pigments are:

KPK Mock 3
Biology
A) Red-Yellow-Green
Show Explanation
B) Red-Orange-Blue
Show Explanation
C) Orange-Blue-Green
Show Explanation
D) Red-Orange-Yellow
Show Explanation

Stroma of chloroplasts carries the fixation of

KPK Mock 3
Biology
Bioenergetics
A) N2
Show Explanation
B) O 2
Show Explanation
C) CO2
Show Explanation
D) NH3
Show Explanation

Misuse of cannabis results in:

KPK Mock 3
Biology
A) Psychosis
Show Explanation
B) Euphoria
Show Explanation
C) Paranoia
Show Explanation
D) Photophobia
Show Explanation

Bone is surrounded by a membrane called:

KPK Mock 3
Biology
A) Perichondrium
Show Explanation
B) Prostomium
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C) Perimycium
Show Explanation
D) Periosteum
Show Explanation

Light absorbing pigments in photosystem I is:

KPK Mock 3
Biology
Bioenergetics
A) P 600
Show Explanation
B) P 680
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C) P 700
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D) P 760
Show Explanation

Basidiocarp is formed in the:

KPK Mock 3
Biology
A) Secondary mycelium
Show Explanation
B) Primary mycellum
Show Explanation
C) Tertiary mycelium
Show Explanation
D) Pathogenic parasites
Show Explanation

The larva of balanoglossus (Hemichordate) is called:

KPK Mock 3
Biology
A) Bipinnaria
Show Explanation
B) Radiolaria
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C) Tornaria
Show Explanation
D) Trochophore
Show Explanation

“Foraminifers” helps to determine the,

KPK Mock 3
Biology
A) Generation time
Show Explanation
B) Geological age
Show Explanation
C) Ecological time
Show Explanation
D) Physiological age
Show Explanation

Heterospory occur in:

KPK Mock 3
Biology
A) Selaginella
Show Explanation
B) Equisetum
Show Explanation
C) Lycopodium
Show Explanation
D) Lepidodendron
Show Explanation

The product of light dependent reactions are:

KPK Mock 3
Biology
Bioenergetics
A) RUBP + ATP
Show Explanation
B) RUBP + PGAL
Show Explanation
C) NADPH + ATP
Show Explanation
D) PGAL + ATP
Show Explanation

The valve between left ventricle is called:

KPK Mock 3
Biology
Transport
A) Semi lunar valve
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B) Blcuspid valve
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C) Tricuspid valve
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D) Pulmonary valve
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Most disease symptoms appear during.

KPK Mock 3
Biology
A) Lag phase
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B) Log phase
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C) Die
Show Explanation
D) Generation time
Show Explanation

Endotoxins are released only when bacteria

KPK Mock 3
Biology
A) Excrete
Show Explanation
B) Reproduce
Show Explanation
C) Decline phase
Show Explanation
D) Stop phase
Show Explanation

The organs of excretion in crustacean are :

KPK Mock 3
Biology
A) Coxal glands
Show Explanation
B) Flame cells
Show Explanation
C) Malpighian tubules
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D) Nephridia
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Outer wall of guard cells is:

KPK Mock 3
Biology
A) Thin & elastic
Show Explanation
B) Thick & elastic
Show Explanation
C) Thin & non elastic
Show Explanation
D) Thick & non elastic
Show Explanation

Changes in gene frequencies in small population by chance is called:

KPK Mock 3
Biology
A) Gene pool
Show Explanation
B) Genetic dolt
Show Explanation
C) Gene mutation
Show Explanation
D) Gene flow
Show Explanation

Thalassaemia major is also known as:

KPK Mock 3
Biology
Transport
A) Sickle cell anemia
Show Explanation
B) Cooley‘s anemia
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C) Mycocystic anemia
Show Explanation
D) Nutritional anemia
Show Explanation

Select the test used for the estimation of glucose in blood and urine?

KPK Mock 3
Biology
A) Tollen’s reagent test
Show Explanation
B) Fehling’s solution test
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C) Benedict solution test
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D) All of the above
Show Explanation

Lungs are ______ in srcin.

KPK Mock 3
Biology
A) Ectodermal
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B) Endodermal
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C) Mesodermal
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D) Preformed
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The interval between two successive division of bacteria is called:

KPK Mock 3
Biology
A) Ecological time
Show Explanation
B) Population time
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C) Growth time
Show Explanation
D) Generation time
Show Explanation

CSF Is found in between:

KPK Mock 3
Biology
A) Pia mater and dura mater
Show Explanation
B) Pia mater and arachnoid mater
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C) Grey matter and pia mater
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D) Dura mater and grey mater
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A hormone that prevents senescence In leaves is:

KPK Mock 3
Biology
A) Abscisic acid
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B) Cytokinin
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C) Seisomonasty
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D) Demonasty
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The person is over weight of the body mass index is between:

KPK Mock 3
Biology
A) 15 to 24.9
Show Explanation
B) 17.5 to 24.9
Show Explanation
C) 18.5 to 24.9
Show Explanation
D) 25 to 29.9
Show Explanation

Human arm is homologous with:

KPK Mock 3
Biology
Variation and Genetics
A) Sea flipper
Show Explanation
B) Octopus Tntade
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C) Bird wing
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D) Both A and C
Show Explanation

Which one of the following is a sex-linked inheritance?

KPK Mock 3
Biology
A) Baldness
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B) Albinism
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C) Eye colour
Show Explanation
D) Myopia
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Chlorophyll is protected from intense light by:

KPK Mock 3
Biology
Bioenergetics
A) Phytochrome
Show Explanation
B) Phytokinin
Show Explanation
C) Phytocyanin
Show Explanation
D) Carotenoids
Show Explanation

A specific nudeotide sequence on DNA molecule to which RNA polymerase attaches to initiate transcription of mRNA from a gene is called:

KPK Mock 3
Biology
Chromosomes and DNA
A) Poly genes
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B) Genome
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C) Promoter
Show Explanation
D) Pletoropy
Show Explanation

“Photo-phosph-rylation” is:

KPK Mock 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
A) ATP synthesis by food energy
Show Explanation
B) ATP synthesis by solar energy
Show Explanation
C) ATP synthesis by source of water
Show Explanation
D) ATP synthesis by source of NADH2
Show Explanation

Fatty acids are:

KPK Mock 3
Biology
Carboxylic Acids and its Derivatives
A) Linsaturated dicorboxylic acid
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B) Long chain alkanoic acid
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C) Aromatic carboxylic acid
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D) Aromatic dicarboxylic acid
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Best known “Apicomplex” is the:

KPK Mock 3
Biology
A) Obligate parasites
Show Explanation
B) Facultative parasite
Show Explanation
C) Malarial parasites
Show Explanation
D) Pathogenic parasites
Show Explanation

A special protein carrier in plasma membrane is:

KPK Mock 3
Biology
A) Catalase
Show Explanation
B) Lipase
Show Explanation
C) Permease
Show Explanation
D) Arginase
Show Explanation

Spiders belong to class:

KPK Mock 3
Biology
A) Crustacean
Show Explanation
B) Myriapoda
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C) Arachnida
Show Explanation
D) Hexapoda
Show Explanation

Vernalization is the conversion of:

KPK Mock 3
Biology
A) Spring variety to the winter variety
Show Explanation
B) Winter variety to the spring variety
Show Explanation
C) Winter variety to the summer variety
Show Explanation
D) Summer variety to the winter variety
Show Explanation

Embryonic mass can generate all of the following except:

KPK Mock 3
Biology
A) Amnion
Show Explanation
B) Chorion
Show Explanation
C) Yolk sac
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D) Allantois
Show Explanation

Which of the following play role in Biorhythm?

KPK Mock 3
Biology
A) MSH
Show Explanation
B) LH
Show Explanation
C) ADH
Show Explanation
D) Melatonin
Show Explanation

Termites cut wood with the help of enzyme produced by

KPK Mock 3
Biology
A) Trichonella
Show Explanation
B) Tripanosoma
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C) Trichonympha
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D) Trichina
Show Explanation

In Eukaryotes, DNA replication proceeds at the rate of:

KPK Mock 3
Biology
A) 50 base pairs per seconds
Show Explanation
B) 40 base pairs per seconds
Show Explanation
C) 20 base pairs per seconds
Show Explanation
D) 30 base pairs per seconds
Show Explanation

Saponification of a fat:

KPK Mock 3
Biology
A) Always results in the formation of soaps.
Show Explanation
B) Results in the formation of esters.
Show Explanation
C) Results in the formation of waxes.
Show Explanation
D) Results in the formation glycerol and soap.
Show Explanation

Number of chromosomes in Tobacco is:

KPK Mock 3
Biology
A) 45
Show Explanation
B) 48
Show Explanation
C) 46
Show Explanation
D) 47
Show Explanation

The blood flow in milliliters/ minute during exercise to the skin is:

KPK Mock 3
Biology
A) 1500 ml
Show Explanation
B) 1600 ml
Show Explanation
C) 1800 ml
Show Explanation
D) 1900 ml
Show Explanation

Urea formation occurs in:

KPK Mock 3
Biology
A) Kidney
Show Explanation
B) Liver
Show Explanation
C) Spleen
Show Explanation
D) Lungs
Show Explanation

Osteopenia starts at the age of:

KPK Mock 3
Biology
A) 30-40
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B) 30-35
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C) 40-45
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D) 50-60
Show Explanation

Bacteria living in the gut, forms the associationof:

KPK Mock 3
Biology
Kingdom Prokaryote
A) Mutualism
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B) Predation
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C) Parasitism
Show Explanation
D) Commensalism
Show Explanation

The only human disease caused by VIROID is

KPK Mock 3
Biology
A) Hepatitis A
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B) Hepatitis B
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C) Hepatitis C
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D) Hepatitis D
Show Explanation

The enlarged lining epithelium cells connected with groups of developing spermatozoa in testes is:

KPK Mock 3
Biology
A) Somatic cells
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B) Sertoli cells
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C) Stem cells
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D) Totipotent cells
Show Explanation

Hypothalamus is a part of:

KPK Mock 3
Biology
A) Diencephalon
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B) Myelencephalon
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C) Telencephalon
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D) Metencephalon
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Microvilli are also called:

KPK Mock 3
Biology
A) Leaf veins
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B) Cristae
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C) Capillaries
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D) Leaf midribs
Show Explanation

The particular array of chromosomes that an individual possessed is called its:

KPK Mock 3
Biology
A) Genotype
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B) Phenotype
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C) Karyotype
Show Explanation
D) Genome
Show Explanation

STATEMENTS:

I. The dialogue between Jinnah and Gandhi failed.

Il. Indian National Congress and Muslim League tried to join hands, so they will be united.

KPK Mock 3
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect.
Show Explanation
B) Statement II is the cause and statement I is its effect.
Show Explanation
C) Both statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause.
Show Explanation

Statements:

All flowers are trees. No fruit is tree.

Conclusions:

I. No fruit is flower.

II. Some trees are flowers.

Which of the following is/are most appropriate in the above scenario?

KPK Mock 3
Logical Reasoning
Logical Problems
A) Only I
Show Explanation
B) Only II
Show Explanation
C) I and II
Show Explanation
D) I and II are inappropriate
Show Explanation

Statement: There is an unprecedented increase in the migration of villagers to urban areas as repeated crop failure has put them into a precarious financial situation.
Courses of Action:
I. The villagers should be provided with an alternate source of income in their villages which will make them stay put.
II. The migrated villagers should be provided with jobs in the urban areas to help them survive.

KPK Mock 3
Logical Reasoning
Course of Action
A) Both of the courses of action follow
Show Explanation
B) None of the courses of action follow
Show Explanation
C) Only course of action I follows
Show Explanation
D) Only course of action II follows
Show Explanation

Statement:

The increasing population of our nation will lead to the depletion of many essential resources.

Conclusion:

I. Population of our nation can be controlled.

II. The nation will not be able to provide a decent living to its citizens.

KPK Mock 3
Logical Reasoning
Critical Thinking
A) Only conclusion I follows.
Show Explanation
B) Only conclusion II follows.
Show Explanation
C) Either conclusion I or II follows.
Show Explanation
D) Both conclusion I and II follows.
Show Explanation

In the following question, various terms of an alphabet sequence are given with one or more terms missing as shown by (?). Choose the missing term.

Z, ?, T, ?, N, ?, H, ?, B

KPK Mock 3
Logical Reasoning
Letters and Symbols Series
A) W, Q, K, E
Show Explanation
B) W, R, K, E
Show Explanation
C) X, Q, K, E
Show Explanation
D) X, R, K, E
Show Explanation

Directions: Read the following information and give answer.

Ghulam Rasool is shorter than Ali but taller than Kamran.
Naeem is shorter than Kamran.
Jameel is taller than Naeem.
Ali is taller than Jameel.
Who among them is the tallest?

KPK Mock 3
Logical Reasoning
Logical Deduction
A) Ali
Show Explanation
B) Naeem
Show Explanation
C) Kamran
Show Explanation
D) Jameel
Show Explanation

Spectral lines is like a _____ of absorbed or emission energy in a spectrum

KPK Mock 3
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
A) charged pattern
Show Explanation
B) fingerprint pattern
Show Explanation
C) discharged pattern
Show Explanation
D) None of these
Show Explanation

X-rays are widely used as a diagnostic tool in medicine because of its:

KPK Mock 3
Physics
Dawn of Modern Physics
A) Particle property
Show Explanation
B) Cost of X-ray unit is low
Show Explanation
C) High penetrating power
Show Explanation
D) It is not electromagnetic waves
Show Explanation

A charged capacitor stores 10 C at 40 V. Its stored energy is:

KPK Mock 3
Physics
Electronics
A) 400 J
Show Explanation
B) 4 J
Show Explanation
C) 0.2 J
Show Explanation
D) 200 J
Show Explanation

In a nuclear fission reaction, what molecules are produced?

KPK Mock 3
Physics
A) Neutrons
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B) Protons
Show Explanation
C) Electrons
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D) Alpha particles
Show Explanation

If the momentum of a body decreases by 20% the percentage decrease in K.E will be:

KPK Mock 3
Physics
Motion in Two Dimensions
A) 44%
Show Explanation
B) 36%
Show Explanation
C) 28%
Show Explanation
D) 20%
Show Explanation

Balmer series lies in that region of electromagnetic wave spectrum, which is known as:

KPK Mock 3
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Visible region
Show Explanation
B) Ultraviolet region
Show Explanation
C) Invisible region
Show Explanation
D) lnfra-red region
Show Explanation

In the nuclear reaction shown below what is the value of coefficient?
92U235+0n1…. 56Kr89+γon1 + 200MeV

KPK Mock 3
Physics
Nuclear Physics
Radioactivity
A) 0
Show Explanation
B) 1
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C) 2
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D) 3
Show Explanation

An electron in a hydrogen atom makes a transition from an energy level with energy E1, to one with energy E2 and simultaneously emits a photon. The wavelength of the emitted photon is:

KPK Mock 3
Physics
A) hc/(E1 – E2)
Show Explanation
B) h/(E1 – E2)
Show Explanation
C) h/c(E1 – E2)
Show Explanation
D) (E1 – E2)/hc
Show Explanation

Michelson interferometer can be used to measure:

KPK Mock 3
Physics
Wave Motion and Sound
A) speed of sound
Show Explanation
B) wavelength of sound
Show Explanation
C) speed of light
Show Explanation
D) wavelength of light
Show Explanation

Ultraviolet rays differ from the X-rays such that ultraviolet rays _____

KPK Mock 3
Physics
A) Cannot be diffracted
Show Explanation
B) Cannot be polarized
Show Explanation
C) Have a low frequency
Show Explanation
D) Do not affect a photographic plate
Show Explanation

The vectors A and B are such that |A + B| = |A – B|, then the angle between the two vectors is:

KPK Mock 3
Physics
Scalars and Vectors
Basic Concepts of Vectors
A) 00
Show Explanation
B) 600
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C) 900
Show Explanation
D) 1800
Show Explanation

A vector of magnitude 20 is added to a vector of magnitude 25. The magnitude of this sum might be:

KPK Mock 3
Physics
Scalars and Vectors
A) Zero
Show Explanation
B) 3
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C) 12
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D) 47
Show Explanation

What are the units of the ratio: specific latent heat of vaporization of water/ specific heat capacity of water

KPK Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) K
Show Explanation
B) 1/K
Show Explanation
C) K^2
Show Explanation
D) no unit
Show Explanation

If system changes from a state Pl Vl to P2V2 by two paths then quantity which remains unchanged is

KPK Mock 3
Physics
Heat and Thermodynamics
Internal Energy
A) dQ
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B) dW
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C) dQ-dW
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D) dQ+dW
Show Explanation

Water flows from a 6.0cm diameter pipe into 8.0cm diameter pipe. The speed in the 6.0cm pipe is 5.0m/s. the speed in the 8cm pipe is:

KPK Mock 3
Physics
A) 2.8m/s
Show Explanation
B) 3.7m/s
Show Explanation
C) 6.6m/s
Show Explanation
D) 8.8m/s
Show Explanation

A.C and D.C have the same:

KPK Mock 3
Physics
Current Electricity
A) Affect in charging battery
Show Explanation
B) Affect in charging capacitor
Show Explanation
C) Heating effect through a resistance
Show Explanation
D) Affect passing through an inductance
Show Explanation

For ideal step up transformer Ps_Pp.

KPK Mock 3
Physics
Magnetism and Electromagnetic Induction
Transformers
A) equal to
Show Explanation
B) greater than
Show Explanation
C) less than
Show Explanation
D) none of these
Show Explanation

An organ pipe is open at both ends at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration, if the pipe is two meter long?

KPK Mock 3
Physics
Wave Motion and Sound
A) 2m
Show Explanation
B) 4m
Show Explanation
C) 6m
Show Explanation
D) 8m
Show Explanation

On the ground, the gravitational force on a satellite is W. What is the gravitational force on the satellite when at a height R/50, where R is the radius of the earth?

KPK Mock 3
Physics
Gravitation
Newton’s Law of Universal Gravitation
A) 1.04W
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B) 1.02W
Show Explanation
C) 0.50W
Show Explanation
D) 0.96W
Show Explanation

A student measures a current as 0.05 A. Which of the following correctly expresses this result?

KPK Mock 3
Physics
A) 50 mA
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B) 50 MA
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C) 500 mA
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D) 500 MA
Show Explanation

In a purely resistive circuit the current:

KPK Mock 3
Physics
A) Leads the voltage by one-half of a cycle
Show Explanation
B) Leads the voltage by one-fourth of a cycle
Show Explanation
C) Leads the voltage by one-half of a cycle
Show Explanation
D) Is in phase with the voltage
Show Explanation

Can we see magnetic flux lines?

KPK Mock 3
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) Yes
Show Explanation
B) No
Show Explanation
C) Depends on strength of field
Show Explanation
D) Only when the field is large
Show Explanation

In stationary waves:

KPK Mock 3
Physics
A) There is not transfer of energy
Show Explanation
B) Energy is constant at all points
Show Explanation
C) Phase is the same for all points
Show Explanation
D) both (a) & (b)
Show Explanation

A zirconium nucleus,is a ß-emitter. The product nucleus is also a ß-emitter. What is the final resulting nucleus of these two decays?

KPK Mock 3
Physics
Nuclear Physics
Radioactivity
A) 100Sr38
Show Explanation
B) 100Mo42
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C) 98Zr40
Show Explanation
D) 100Zr40
Show Explanation

Which is strong electrolyte?

KPK Mock 3
Physics
A) Ca(OH)2
Show Explanation
B) SiCI4
Show Explanation
C) KCl
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D) SrCl2
Show Explanation

Moon is revolving around the earth, work done by the earth on the moon is

KPK Mock 3
Physics
Work, Power & Energy
A) positive
Show Explanation
B) zero
Show Explanation
C) negative
Show Explanation
D) none of these
Show Explanation

From the following, which one particle belongs to lepton group:

KPK Mock 3
Physics
A) Neutrinos
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B) Protons
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C) Neutrons
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D) Mesons
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A hydrogen atom that has lost its electron is moving east in a region where the magnetic moving east in a region where the magnetic fields directed from south to north. It will be deflected:

KPK Mock 3
Physics
A) Up
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B) Down
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C) North
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D) South
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Becquerel is the unit of:

KPK Mock 3
Physics
A) Decay constant
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B) Half life
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C) Mean life
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D) Activity
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If a hole is bored through the center of the earth and a pebble is dropped in it, then it will:

KPK Mock 3
Physics
Forces and Motion
A) Stop at the center of the earth
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B) Drop to the other side
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C) Execute SHM
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D) None of the above.
Show Explanation

The number of ejected photoelectrons increases with increase.

KPK Mock 3
Physics
A) In intensity of flight
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B) In wavelength of light
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C) In frequency of light
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D) Never
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A racing car accelerates uniformly through three gear changes with the following average speeds:

20 ms-1 for 2.0s ;40ms-1 for 2.0 s and 60 ms-1 for 6.0s. What is the overall average speed of the car?

KPK Mock 3
Physics
A) 12 ms1
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B) 13.3 ms-1
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C) 40 ms-1
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D) 48 ms1
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The radiations all around us are called __ radiations

KPK Mock 3
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
A) natural
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B) artificial
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C) both a or b
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D) no radiation is around us
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Which among the following phenomenon shows particle nature of light?

KPK Mock 3
Physics
Dawn of Modern Physics
A) Photoelectric effect
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B) Interference
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C) Polarization
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D) Matter waves
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A generator produces 100 kW of power at a potential difference of 10KV. The power is transmitted through cables of total resistance 5Q. How much power is dissipated in the cables?

KPK Mock 3
Physics
Current Electricity
A) 50 W
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B) 750 W
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C) 500 W
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D) 1000 W
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The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes:

KPK Mock 3
Physics
Circular Motion & Momentum
A) 16 s
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B) 12 s
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C) 8 s
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D) 4 s

Show Explanation

A moving charged particle is surroundes ??

KPK Mock 3
Physics
Current Electricity
A) 1 fields
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B) 3 fields
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C) 2 fields
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D) 4 fields
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When released from a height a ball falls 5m in 1s. In 4s after release the ball will fall:

KPK Mock 3
Physics
Motion in Two Dimensions
A) 40m
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B) 80m
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C) 20m
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D) 100m
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The first law of thermodynamics is a statement which implies that:

KPK Mock 3
Physics
A) No heat enters or leaves the system
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B) The temperature remains constant
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C) All work is mechanical
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D) Energy is conserved
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A radioactive isotope ‘W’ decays to ‘X’ which decays to ‘Y’ and ‘Y’ decays to ‘Z’ as represented by the figure below

What is the change in the atomic number from ‘W’ to ‘Z’?

KPK Mock 3
Physics
Nuclear Physics
A) Increase by 3
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B) Increase by 5
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C) Decrease by 3
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D) Decrease by 5
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Wave nature and particle nature of photon is linked by:

KPK Mock 3
Physics
Dawn of Modern Physics
A) Rest mass of photon
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B) Wavelength of photon
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C) Light speed
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D) Momentum of photon
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The resistance of a conductor at absolute zero ( 0 K) is

KPK Mock 3
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) Almost zero
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B) Almost infinite
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C) No prediction at all
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D) May increase or decrease
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If two cars are moving with velocity 10 m/s and 5m/s in opposite direction to each other, then their relative velocity with respect to one another will be:

KPK Mock 3
Physics
A) 5m/s
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B) 10m/s
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C) -5m/s
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D) 15m/s
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The minimum frequency of incident light required to emit photoelectrons from the metal surface is called:

KPK Mock 3
Physics
Optics, Nature of Light and Optical Instruments
A) Critical frequency
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B) Threshold frequency
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C) Work function
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D) None of the above
Show Explanation

Read the statement and choose the correct option:

KPK Mock 3
Physics
A) A
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B) B
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C) C
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D) D
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The changing electric flux in a certain region of space produces:

KPK Mock 3
Physics
A) An electric field
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B) Magnetic field
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C) both S// and A//
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D) None of the above
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The colour of thin films is a result of:

KPK Mock 3
Physics
A) Dispersion
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B) Absorption of light
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C) Scattering of light
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D) None of the above
Show Explanation

If a wave can be polarized, it must be:

KPK Mock 3
Physics
Wave Motion and Sound
A) An electromagnetic wave
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B) A stationary wave
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C) Transverse wave
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D) A longitudinal wave
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A total charge of 100C flows through a 12W bulb in a time of 50 second. What is the potential difference across the bulb during this time?

KPK Mock 3
Physics
A) 0.12V
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B) 2.0V
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C) 6.0V
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D) 24V
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During adiabatic expansion internal energy decreases by 2J, then work done in this process is

KPK Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) 2J
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B) 1J
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C) -1J
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D) -2J
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Which one of the following pair is of isobars?

KPK Mock 3
Physics
Dawn of Modern Physics
A) 126 C and 146 C
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B) 614 C and 714N
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C) 42 He and 31H
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D) Both A and C
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If each vector have unit magnitude than ⃗A. ⃗A is:

KPK Mock 3
Physics
A) South
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B) One
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C) North
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D) West
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The function of a main transformer is to convert:

KPK Mock 3
Physics
Current Electricity
A) one direct voltage to another direct voltage of different magnitude.
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B) one alternating voltage to another alternating voltage of different magnitude.
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C) a high value alternating voltage to low value direct voltage.
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D) A high value alternating current to low value direct voltage
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The infrared spectra commonly referred to as IR spectra is usually expressed as:

KPK Mock 3
Physics
Dawn of Modern Physics
A) Wave length
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B) Wave number
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C) Frequency
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D) All of the above
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Choose the correct spelling:

KPK Mock 3
English
Key Vocabulary
A) Exantuated
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B) Axantuated
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C) Accenchuated
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D) Accentuated
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He said to me, “Why have you come late?”[Indirect form of the sentence is:]

KPK Mock 3
English
A) He asked me why I had come late
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B) He asked me why I came late.
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C) He asked me why I have come late
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D) He told me as to why I had come late
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The culpable child _____ some words to her mother for pardoning his delinquency.

KPK Mock 3
English
Fill in the blank
A) Mumbled
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B) Showy
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C) Rude
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D) Crazy
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It has been raining continuously _______ last night.

KPK Mock 3
English
A) Since
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B) For
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C) From
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D) With
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Indolence gives vent to ____ disposition in human life.

KPK Mock 3
English
A) Static
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B) Enthusiastic
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C) Energetic
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D) Filthy
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SPOT THE ERROR: In the following sentences, some segments of each sentence are underlined. Your task is to identify that underlined segment of the sentence, which contains the mistake that needs to be corrected.

Thrifty housewives preserved their homegrown vegetables and fruits in canning, pickling or drying them for use during the cold weather.

KPK Mock 3
English
A) In
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B) Or
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C) For
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D) The
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Identify the errors and choose the correct option:

I hope this letters finds in the best of your spirits.

KPK Mock 3
English
Identify errors in sentence
A) I hope this letter will find you in good of high spirits.
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B) I hope this letter finds you in the best of your spirit.
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C) I hope letter finds you in the best of spirits.
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D) I hope the letter found in greatest of sprite.
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Select the correct sentence:

KPK Mock 3
English
A) Farid and javed both are good swimmers.
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B) Both Farid and Javed are good swimmers.
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C) Good swimmers are Farid and Javed both.
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D) Swimmers are good both Farid and Javed
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An ‘ELEGY‘ is a poem written:

KPK Mock 3
English
A) In the memory of a little child
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B) On the sighting of an old tutor
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C) In the love of dear sweetheart
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D) On the death of someone dear
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Choose the correct sentence.

KPK Mock 3
English
A) We bought some new clothing.
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B) We bought some new clothings.
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C) We bought some new piece of clothings
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D) We bought some new pieces of clothings.
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Choose the correct spelling:

KPK Mock 3
English
Key Vocabulary
A) Eccentric
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B) Eckentric
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C) Akcantric
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D) Accentric
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The headmaster ____ to speak to you.

KPK Mock 3
English
Fill in the blank
A) Wants
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B) Is wanting
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C) Was wanting
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D) Want
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‘ARABLE‘ means:

KPK Mock 3
English
A) Not grown since long
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B) Recently ploughed field
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C) Watered the night before
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D) Fit for cultivation
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I keep the butter in the fridge. Select the correct passive voice:

KPK Mock 3
English
A) In the fridge the butter is kept by me.
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B) By me is the butter dept in the fridge.
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C) The butter is kept by me in the fridge.
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D) Dept in the fridge by me is the butter.
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‘CHUCKLE‘ mean:

KPK Mock 3
English
A) Bouquet of flowers
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B) Displeasing manner
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C) Suppressed laughter
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D) Religious movement
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Fire destroyed the top floor of the building:

KPK Mock 3
English
A) The top floor of the building got destroyed by fire
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B) By fire was destroyed the top floor of the building.
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C) Destroyed by fire was the top floor of the building.
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D) The top floor of the building was destroyed by fire
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He was ________ in bed all day yesterday.

KPK Mock 3
English
A) Laying
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B) Lying
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C) Lieing
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D) Lied
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(Fix this) Select the correct sentence:

KPK Mock 3
English
A) Certainly she is the best person for the job.
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B) She is the best person for the job certainly.
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C) She is certainly the best person for the job.
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D) The best person certainly she is for the job.
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Carbylamine test is given by:

KPK Mock 3
Chemistry
A) Primary amines
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B) Secondary amines
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C) Tertiary amines
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D) All of these
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An acid is a substance which accepts:

KPK Mock 3
Chemistry
A) An electron pair
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B) Proton
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C) An electron
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D) Pair of proton
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Primary amines on treatment with alkyl halide yield;

KPK Mock 3
Chemistry
A) Secondary amine
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B) Tertiary amine
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C) Quaternary ammonium salt
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D) Mixture of (a), (b) & (c)
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Choose the compound in which hydrogen bonding is not possible:

KPK Mock 3
Chemistry
A) H2O
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B) HCl
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C) CH3COOH
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D) CH3OCH3
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Which is not true about Grignard reagent?

KPK Mock 3
Chemistry
A) They are highly reactive compounds
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B) They are very stable compounds and can be isolated easily
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C) They have synthetic importance
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D) They are represented by general formula RMgX
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Which one of the following is strongest acid?

KPK Mock 3
Chemistry
A) CH3COOH
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B) CH3 CH2 COOH
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C) C6H5CG2COOH
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D) FCH2COOH
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The shape of SnCl2 is:

KPK Mock 3
Chemistry
A) Linear
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B) Trigonal pyramidal
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C) Trigonal planar
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D) Angular
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The major product of acid catalysed dehydration of 3- pentanol is:

KPK Mock 3
Chemistry
A) 1-pentane
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B) 2-Pentene
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C) 2-Methyle butane
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D) 3-Methyle butane
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Which of the following misnamed?

KPK Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Aniline
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B) Methyl naphthalene
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C) Carboxyl benzene
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D) Benzene sulphonic acid
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Milk of magnesia is used for treatment of acidity in stomach, its formula is:

KPK Mock 3
Chemistry
A) Mg(OH)2
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B) MgSO4
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C) Ca(OH)2
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D) CaSO4
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N2(g) + 3H2 (g) ——> 2NH3(g), △H= 46.1 kj/mole
For the reaction above which statement is true about the equilibrium constant (Keq):

KPK Mock 3
Chemistry
A) Keq Increases with increase in temperature
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B) Keq decreases with increase in temperature
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C) Keq decreases with ncrease in pressure
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D) Keq increases with decrease in pressure
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Aiman in laboratory dissolve 4g of NaOH in 250ml of water. The molarity of this solution is:

KPK Mock 3
Chemistry
A) 0.4M
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B) 4M
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C) 0.2M
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D) 0.1M
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Select mineral that is considered as a macronutrient.

KPK Mock 3
Chemistry
A) Phosphorus
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B) Zinc
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C) Iron
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D) Iodine
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The bond angle between H-C-H bond in ethane is:

KPK Mock 3
Chemistry
A) 109.5
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B) 120
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C) 90
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D) 107.5
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Which of the following substitutents is an Ortho and Para director and ring deactivating?

KPK Mock 3
Chemistry
A) –OH
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B) –NH2
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C) –Cl
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D) –OCH3
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Which one of the following compound participates in hydrogen bonding?

KPK Mock 3
Chemistry
A) CH3
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B) CH3 OCH3
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C) CH3NH3
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D) C6 H5 OCH3
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Which of the following compound will react most readily with bromine in CCl4?

KPK Mock 3
Chemistry
A) 1-pentane
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B) 2-pentane
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C) 2-Methyle-1- butane
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D) 3-Methyle-1- butane
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The energy difference between adjacent energy levels of the hydrogen atom:

KPK Mock 3
Chemistry
A) Increases with increasing energy
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B) Decreases with increasing energy
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C) First increases and then decreases with increasing energy
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D) First decreases and then increases with increasing energy
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Choose the type of hybridization of carbon atoms in cyclopropane and the bond angle C–C–C.

KPK Mock 3
Chemistry
A) Sp3, 109.5*
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B) Sp3, 60*
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C) Sp2, 120*
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D) Sp2, 107*
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Which of the following compounds does not give iodoform test on reaction with I2 and NaOH?

KPK Mock 3
Chemistry
A) Propanone
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B) Ethanol
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C) Butanone
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D) 2-Propanol

Choose the IUPAC name of the following compound:

KPK Mock 3
Chemistry
A) 4- Methyl-1-Pentene
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B) 2- Methyl-3- Pentene
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C) 2- Methyl-2- Pentene
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D) 4,4-Dirnethyl-2-Pentene
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The total energy of a hydrogen atom in its ground state is:

KPK Mock 3
Chemistry
A) Zero
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B) Negative
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C) Positive
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D) None of the above
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Molar extinction coefficient (ε) a constant in Beer- Lambert law is the characteristics of the:

KPK Mock 3
Chemistry
A) Solute
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B) Solvent
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C) Concentration
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D) All of the above
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Pure water freezes at 0 oC and boils at 100 oC at standard conditions. Calcium chloride was added to pure water. What do you expect about its freezing point and boiling point?

KPK Mock 3
Chemistry
A) No change in its freezing point and boiling point
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B) Freezing point increases and boiling point decreases.
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C) Freezing point increases and boiling point increases
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D) Freezing point decreases and boiling point increases
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Which of the following structure has a bond formed by an overlap of sp2 hybrid orbital with that of sp hybrid orbital?

KPK Mock 3
Chemistry
A) HC = CH
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B) H2C = CH2
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C) H2C = C= CH2
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D) CH2 = CHCH3
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Which of the following ions play important role in the transportation of carbon dioxide?

KPK Mock 3
Chemistry
A) Sodium
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B) Potassium
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C) Bicarbonate
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D) Chloride
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Which of the following is not a ferromagnetic substance?

KPK Mock 3
Chemistry
A) Iron
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B) Cobalt
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C) Nickel
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D) Barium
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Which is the strongest acid?

KPK Mock 3
Chemistry
A) CH3COOH
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B) CH2CICOOH
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C) CHCl2COOH
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D) CCl3COOH
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Select the strongest acid

The pKa values are given:

KPK Mock 3
Chemistry
A) HI, pKa=10
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B) HCN, pKa=9.4
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C) H2SO4, pKa = 1.8
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D) HNO3, pKa = 3.0
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Both NaNO3 an CaCO3 crystallize in Rhombohedral forms therefore they are:

KPK Mock 3
Chemistry
A) Allotropes
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B) Polymorphous
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C) Isomorphous
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D) None of these
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Which of the following is not a nucleophile?

KPK Mock 3
Chemistry
A) NH3
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B) HO
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C) HC = CH
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D) Br2
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Select the true statement about the amorphous solids:

KPK Mock 3
Chemistry
A) Amorphous substances have a sharp melting point
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B) Amorphous substances do not have fixed a melting point
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C) Amorphous substances have proper geometrical shapes
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D) The particles in amorphous substances are arranged in an orderly manner
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