NUMS Mock Test New 1 -

Created by Ali Durrani

NUMS Mock Test New 1

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1 / 150

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:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

A) Undamped

B) Underdamped

C) Critically damped

D) Overdamped

2 / 150

In a certain process, 400 J of heat energy is supplied to a system and at the same time 150 J of work is done by the system. The increase in internal energy of the system is _______.

NUMS Mock 1
Physics
Heat and Thermodynamics

A) 150 J

B) 300 J

C) 250 J

D) 500 J

3 / 150

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

NUMS Mock 1
Physics
Atomic Spectra

A) Isotopes

B) Isobars

C) Isomers

D) Isotherms

4 / 150

If a gas is heated at constant pressure, which of the following description(s) will apply?

I. The volume increased is proportional to the temperature

II. The kinetic energy of the molecules decrease

III. The kinetic energy of the molecules increases

NUMS Mock 1
Physics
Heat and Thermodynamics

A) I only

B) III only

C) I and II only

D) I and III only

5 / 150

For projectile motion, in the absence of air resistance:

NUMS Mock 1
Physics
Motion in Two Dimensions

A) Horizontal acceleration is zero

B) Vertical acceleration is zero

C) Horizontal force is constant

D) Vertical speed is constant

6 / 150

n a half-wave rectifier, the diode conducts during:

NUMS Mock 1
Physics
Alternating Current

A) One half of the input cycle

B) A portion of the positive half of the input cycle

C) A portion of the negative half of the input cycle

D) Both halves of the input cycles

7 / 150

What is the quark composition of a Proton?

NUMS Mock 1
Physics
Nuclear Physics

A) Two up quarks and one down quark

B) Two up quarks and one strange quark

C) One up quark and two strange quarks

D) Two down quarks and one up quark

8 / 150

The bicycle pump works on the basis of:

NUMS Mock 1
Physics
Heat and Thermodynamics

A) 1st Law of thermodynamics

B) 2nd Law of thermodynamics

C) Law of conservation of energy

D) Law of entropy

9 / 150

Molecules Of a gas at constant pressure for a fixed amount of gas have average kinetic energy X. Increasing temperature from 27 C to 327C, average K.E. of molecules will become:

NUMS Mock 1
Physics
Heat and Thermodynamics

A) 20X

B) 300X

C) 200X

D) 2X

10 / 150

An aircraft of wingspan 50 m flies horizontally at an area where the vertical component of the Earth’s magnetic field is 2.0 x 10-5T.

In order to produce an emf of 1 volt between the aircraft’s wingtips, its speed should be:

NUMS Mock 1
Physics
Magnetism and Electromagnetic Induction

A) 1000 m/s

B) 500 m/s

C) 100 m/s

D) 15000 m/s

11 / 150

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

NUMS Mock 1
Physics

A) 67 %

B) 87.5%

C) 82.5 %

D) 77%

12 / 150

A power line 8m high carries a current 100A. What is the magnetic field of wire at ground?

NUMS Mock 1
Physics
Magnetism and Electromagnetic Induction

A) 0.002 T

B) 2.5 x 10-6T

C) 0.005 T

D) 4 x 10-6T

13 / 150

The velocity of an object increases from 0 to 10 m/s in 2 seconds. The distance covered by the object is _________.

NUMS Mock 1
Physics
Motion in Two Dimensions

A) 10 m

B) 7.5 m

C) 05 m

D) 2.5 m

14 / 150

A nonconducting sphere is given a non zero net electric charge,+Q, and then brought close to a neutral conducting sphere of the same radius. Which of the following will be true?

AKU Mock 1
Physics

A) An electric field will be induced within the conducting sphere

B) The conducting sphere will develop a net electric charge of −Q

C) The spheres will experience an electrostatic attraction

D) The spheres will experience an electrostatic repulsion

15 / 150

If a pendulum is oscillating with a frequency f then what is the frequency at which it’s K.E. changes?

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

A) 2f

B) f/2

C) F

D) None of these

16 / 150

Which of the following statement shows that no work is done?

NUMS Mock 1
Physics
Work, Power and Energy

A) Pushing a car to start it moving

B) Lifting the weights.

C) The moon Orbiting the earth.

D) Writing an essay on a page.

17 / 150

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

NUMS Mock 1
Physics
Alternating Current

A) Any doubler

B) Any tripler

C) Any multiplication

D) None of them

18 / 150

What happens to the pressure ‘p’ of an ideal gas, if the temperature is increased by a factor of 2 and the volume is increased by a factor of 8?

NUMS Mock 1
Physics
Heat and Thermodynamics

A) P decreases by a factor of 16

B) P decreases by a factor of 4

C) P decreases by a factor of 2

D) P increases by a factor of 4

19 / 150

The force applied on unit area to produce any change in the volume or length of a body is called:

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

A) Strain

B) Stress

C) Elasticity

D) Equilibrium

20 / 150

If A = 2i + 3j – k , B = 4i + 2j – 2k . Find a vector x which is parallel to A but has the magnitude of B?

NUMS Mock 1
Physics
Scalars and Vectors

A) Option A

B) Option B

C) Option C

D) Option D

21 / 150

Absolute zero is equivalent to:

NUMS Mock 1
Physics
Heat and Thermodynamics

A) 0K

B) -273 C

C) -459.4 F

D) All of these

22 / 150

The energy supplied by the cell to the charge carriers is derived from the conversion of:

NUMS Mock 1
Physics
Electrostatics

A) Heat energy into chemical energy

B) Chemical energy Into electrical energy

C) Solar energy into electrical energy

D) Mechanical energy into electrical energy

23 / 150

The entropy of the universe always:

NUMS Mock 1
Physics
Heat and Thermodynamics

A) Decreases

B) Increases

C) Remains the same

D) Both A and B

24 / 150

A real image formed by convex lenses is always:

NUMS Mock 1
Physics
Optics, Nature of Light and Optical Instruments

A) Erect

B) Inverted

C) Magnified

D) Diminished

25 / 150

Radioactive elements emit:

NUMS Mock 1
Physics
Nuclear Physics

A) ɑ radiations

B) β radiations

C) ɣ radiations

D) All of these

26 / 150

The ratio of angular speed of moon around the Earth to its angular speed about its own axis is:

NUMS Mock 1
Physics
Circular Motion and Momentum

A) 2:1

B) 1:6

C) 1:30

D) 1:1

27 / 150

Red light is used in photographic dark room because of:

NUMS Mock 1
Physics
Optics, Nature of Light and Optical Instruments

A) More frequency, less wavelength

B) Less frequency, less wavelength

C) Less frequency. more wavelength

D) More frequency. more wavelength

28 / 150

The difference between soft and hard X-rays is of:

NUMS Mock 1
Physics
Atomic Structure
Sub Atomic Particles and Their Discoveries

A) Velocity

B) Intensity

C) Frequency

D) Polarization

29 / 150

The frequency of the incident photon after Compton effect will:

NUMS Mock 1
Physics

A) remain constant

B) increase

C) decrease

D) None of these

30 / 150

The moment of inertia of a solid sphere of mass ‘m’ having radius ‘r’ about a line passing through its center is:

NUMS Mock 1
Physics
Circular Motion and Momentum

A) 5/2 mr2

B) 2/5 mr2

C) 1/2 mr2

D) 1/3 mr2

31 / 150

A car at rest starts moving with linear uniformly increasing velocity. After 20 seconds, it attains the maximum velocity of 80 m/s. What is the distance covered during this time interval?

NUMS Mock 1
Physics
Forces and Motion

A) 200 m

B) 400 m

C) 800 m

D) 1600 m

32 / 150

Which of the following is the percentage of the original quantity of a radioactive material left after five half–lives approximately.

NUMS Mock 1
Physics
Nuclear Physics

A) 3%

B) 10%

C) 6.25%

D) 20%

33 / 150

If a substance can undergo plastic deformation, until it breaks, it is:

NUMS Mock 1
Physics
Physics of Solids

A) Ductile substance

B) Brittle substance

C) Crystalline substance

D) Polymeric substance

34 / 150

When a potential difference is applied across the ends of a uniform wire of length l and radius r, a current I flows in the wire. If same potential difference is applied to the ends of another wire of the same material but of length 2l and radius 2r, the current in the wire is:

NUMS Mock 1
Physics
Current Electricity

A) I/4

B) 2I

C) I

D) I/2

35 / 150

A maintenance crew is working on a section of a three-lane highway with only one lane open to traffic. This result is much slower traffic flow. The cars on this highway behave like:

NUMS Mock 1
Physics
Fluid Dynamics

A) The molecules of an incompressible fluid

B) The molecules of a compressed fluid

C) Both (A) and (B)

D) None of the above

36 / 150

If stress is applied on a body then the ratio of change in volume to original volume will be:

NUMS Mock 1
Physics
Physics of Solids

A) Polymeric strain

B) Volumetric strain

C) Parallel strain

D) Tensile strain

37 / 150

An astronomical telescope has Magnifying power 5. If the focal length is 20 cm then what is the focal length of the objective?

NUMS Mock 1
Physics
Optics, Nature of Light and Optical Instruments

A) 1m

B) 0.1 m

C) 50 cm

E) 15 cm

38 / 150

The energy stored inside a capacitor is given by the relation:

NUMS Mock 1
Physics
Electrostatics

A) Energy = ½ CV

B) Energy = ½ C2V

C) Energy = ½ CV2

D) Energy = ½ C/V

39 / 150

Why is the total mass of all individual protons and neutrons in a nucleus greater than the mass of the nucleus which they constitute?

NUMS Mock 1
Physics
Nuclear Physics

A) When protons and neutrons combine to form nucleus, mass decrease due to gain of energy

B) Possible mass loss is due to faulty techniques to measure mass of nucleus

C) This statement is not true in most of the cases

D) When protons and neutrons combine to form nucleus, some mass is destroyed resulting in energy release

40 / 150

A wave, which transfers _____ by moving away from the source of disturbance is called _____ wave.

NUMS Mock 1
Physics
Wave Motion and Sound

A) Momentum ; standing

B) Energy ; standing

C) Energy ; progressive

D) Momentum ; progressive

41 / 150

Two spheres of the same size, one of mass 5 kg and the other of mass 50 g are dropped simultaneously from a tower. When they are about to touch the ground, they have the same:

NUMS Mock 1
Physics
Gravitation

A) Kinetic Energy

B) Potential Energy

C) Momentum

D) Acceleration

42 / 150

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NUMS Mock 1
Biology
Chromosomes and DNA

A) 21 and 42

B) 7 and 21

C) 21 and 7

D) 42 and 21

43 / 150

When both the alleles of a gene pair are same, the organism is said to be:

NUMS Mock 1
Biology
Variation and Genetics

A) Heterozygous

B) Genotype

C) Homozygous

D) Phenotype

44 / 150

Such inflorescence in which the main axis is elongated and bears sessile flowers is called:

NUMS Mock 1
Biology
Kingdom Plantae

A) Raceme

B) Spike

C) Cyme

D) Panicle

45 / 150

The secondary and tertiary consumers are also known as:

NUMS Mock 1
Biology
Ecosystem

A) Green plants

B) Herbivores

C) Abiotic factors

D) Decomposers

E) Carnivores

46 / 150

The uterus of the female reproductive system opens into the ____.

NUMS Mock 1
Biology
Reproduction

A) Placenta

B) Birth canal

C) Cervix

D) All of these options are correct

47 / 150

The term “Loss of appetite” refers to disease:

NUMS Mock 1
Biology
Nutrition

A) Botulism

B) Anorexia nervosa

C) Obesity

D) Bulemia nervosa

48 / 150

Primary function of fats in aquatic mammals is ________ and in terrestrial mammals is ________.

NUMS Mock 1
Biology
Homeostasis

A) to reserve water, to reserve salts

B) to reserve salts, to reserve water

C) To reserve food, conserving heat

D) Conserving heat, to preserve food

49 / 150

Mutations can occur in:

NUMS Mock 1
Biology
Chromosomes and DNA

A) DNA

B) Protein

C) RNA

D) A and C

50 / 150

These are the vertebrae of abdominal region:

NUMS Mock 1
Biology
Support and Movement

A) Cervical

B) Lumbar

C) Thoracic

D) Pelvis

51 / 150

The only possible treatment in end stage renal failure is:

NUMS Mock 1
Biology
Homeostasis

A) Hemodialysis

B) Peritoneal dialysis

C) Lithotripsy

D) Kidney transplantation

52 / 150

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NUMS Mock 1
Biology
Kingdom Prokaryote

A) Stationary phase

B) LAG phase

C) Decline phase

D) LOG phase

53 / 150

Which of the following processes does NOT need Pyruvic Acid as a substrate?

NUMS Mock 1
Biology
Bioenergetics

A) Alcoholic fermentation

B) Calvin cycle

C) Aerobic respiration

D) Lactic Acid fermentation

54 / 150

Which of the following is correct in case of active membrane potential?

NUMS Mock 1
Biology

A) Extra cellular sodium is high

B) Extra cellular potassium is high

C) Intracellular sodium is high

D) Intracellular potassium is less

55 / 150

Haemoglobin carries more oxygen than plasma by:

NUMS Mock 1
Biology
Gaseous Exchange

A) 50 times

B) 20 times

C) 70 times

D) 100 times

56 / 150

Optimum pH for action of pepsin and salivary amylase is

NUMS Mock 1
Biology
Nutrition

A) 3.5 and 7.7 respectively

B) 1.8 and 6.8 respectively

C) 6.8 and 7.4 respectively

D) 1.8 and 7.4 respectively

57 / 150

The rate of photosynthesis and respiration may equal one another at what time?

NUMS Mock 1
Biology
Bioenergetics

A) Dawn

B) Noon

C) Dusk

D) Dawn and dusk

58 / 150

The structure of a fibrous protein comprises of polypeptide chains in the form of:

NUMS Mock 1
Biology
Biological Molecules

A) Cluster

B) Spherical or curried up ball

C) Long strands or fibrils

D) Flat uncoiled chains

59 / 150

Which substance might include this molecule?

NUMS Mock 1
Biology
Biological Molecules

A) Cellulose

B) Cholesterol

C) Glycerol

D) Insulin

60 / 150

A. ATP synthesis is seen in both
B. Outer membrane has more surface area in both
C. Circular naked DNA, RNA and 70 ribosomes are seen in both
D. Oxidative phosphorylation occurs in both

Which of the following statements are true for mitochondria and chloroplasts?

NUMS Mock 1
Biology
Cell Structure and Function

A) A and B

B) B and C

C) A and C

D) A and D

61 / 150

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

NUMS Mock 1
Biology
Homeostasis

A) Glomerular capsule

B) Proximal convoluted tubule

C) Loop of Henle

D) Distal convoluted tubule

62 / 150

The light dependent reaction of photosynthesis occurs in:

NUMS Mock 1
Biology
Bioenergetics

A) Stroma of chloroplast

B) Guard cells of stomata

C) Thylakoid membrane of chloroplast

D) Cytoplasm of leaf cell

63 / 150

_________ hormone is released from the posterior lobe of the pituitary gland.

NUMS Mock 1
Biology
Coordination and Control

A) Adrenaline

B) Thyroid stimulating hormone

C) FSH

D) Antidiuretic hormone

64 / 150

The thickest chamber of the human heart is:

NUMS Mock 1
Biology
Transport

A) Left atrium

B) Right atrium

C) Right ventricle

D) Left ventricle

65 / 150

The sympathetic nervous system causes which of the following?

NUMS Mock 1
Biology
Coordination and Control

A) Constriction of the pupil

B) Decreased heart rate

C) Increased gastric section

D) Reduction of adrenaline secretion

E) Increased respiration

66 / 150

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

NUMS Mock 1
Biology
Man and His Environment

A) Reproduction

B) Adaptability

C) Mitosis

D) Respiration

67 / 150

The thick filaments, in a myofibril of muscles, are made of ________.

NUMS Mock 1
Biology
Support and Movement

A) Myoglobin

B) Myosin

C) Actin

D) Haemoglobin

68 / 150

Which of the following enzymes is used to join DNA fragments?

NUMS Mock 1
Biology
Chromosomes and DNA

A) DNA polymerase

B) Ligase

C) Primase

D) Endonuclease

69 / 150

Which of the following part of the cell is described as a fluid mosaic?

NUMS Mock 1
Biology
Cell Structure and Function

A) Chloroplast.

B) Vacuole.

C) Cell membrane.

D) Endoplasmic Reticulum.

70 / 150

Muscular tube that passes through pharynx and joins stomach is:

NUMS Mock 1
Biology
Nutrition

A) Trachea

B) NG tube

C) Nerve canal

D) Esophagus

71 / 150

Germ layers are formed in which stage of development?

NUMS Mock 1
Biology
Growth and Development

A) Morulation

B) Blastulation

C) Gastrulation

D) Organogenesis

72 / 150

Transport of glucose across the cell membrane occurs by:

NUMS Mock 1
Biology
Transport

A) Simple diffusion

B) Facilitated diffusion

C) Osmosis

D) Primary active transport

73 / 150

The cells which play a very important role in developing immunity are:

NUMS Mock 1
Biology
Transport

A) Monocytes

B) Neutrophils

C) Lymphocytes

D) Thrombocytes

74 / 150

The bacteria can cope in unfavorable condition by producing:

NUMS Mock 1
Biology
Kingdom Prokaryote

A) Mesosomes

B) Zygospores

C) Endospores

D) Hyphae

75 / 150

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

NUMS Mock 1
Biology
Gaseous Exchange

A) Plant B

B) Plant D

C) Plant A

D) Plant C

76 / 150

The position of an organism in a food chain of an ecosystem called:

NUMS Mock 1
Biology
Man and His Environment

A) Level of ecosystem

B) Food chain

C) Food web

D) Trophic level

77 / 150

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS Mock 1
Biology
Gaseous Exchange

A) O2

B) CO2

C) CO

D) H2

78 / 150

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NUMS Mock 1
Biology
Cell Cycle

A) Chromosome

B) Chromocentre

C) Centriole

D) Kinetochore

79 / 150

Which was the first virus to be successfully crystalized?

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

A) TMV

B) Smallpox

C) Poliovirus

D) Adenovirus

80 / 150

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

NUMS Mock 1
Biology
Kingdom Prokaryote

A) Mesosome

B) Golgi bodies

C) Mitochondria

D) Chloroplast

81 / 150

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NUMS Mock 1
Biology
Evolution

A) 1 and 2

B) 1 and 3

C) 2 and 4

D) 2 and 3

E) 3 and 4

82 / 150

What type of virus is the smallpox virus?

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

A) DNA enveloped virus

B) RNA enveloped virus

C) DNA virus

D) RNA naked virus

83 / 150

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

NUMS Mock 1
Biology
Support and Movement

A) Smooth muscles

B) Cardiac muscles

C) Skeletal muscles

D) Glandular muscles

84 / 150

Pathway of energy used by muscles converted from food is:

NUMS Mock 1
Biology
Bioenergetics
Support and Movement

A) Food-ATP-creatine phosphate- protein

B) Food-glycogen- ATP-creatine phosphate

C) Food-glycogen-creatine phosphate- ATP

D) Food-protein-creatine phosphate- ATP

85 / 150

The type of gene interaction in which the effect caused by a gene at one locus interfere with the effect caused by another gene at another locus is known as:

NUMS Mock 1
Biology
Variation and Genetics

A) Pleiotropy

B) Epistasis

C) Polygenic inheritance

D) Gene linkage

86 / 150

The below given diagrams show stages of mitosis.

What is the order of these stages during mitosis?

NUMS Mock 1
Biology
Cell Cycle

A) 1 2 4 3

B) 2 3 1 4

C) 3 4 1 2

D) 3 4 2 1

87 / 150

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

NUMS Mock 1
Biology
Cell Structure and Function

A) Ribosomes

B) Cytoplasm

C) Golgi apparatus

D) Endoplasmic reticulum

88 / 150

There existed two varieties of female freshwater Mollusks in which some were streamlined and some had a high bulge. Over the generations, male freshwater Mollusks learned that high bulge favors more production of offspring. So they started preferring to mate with females having high bulge as compared to streamlined. Will this affect Hardy Weinberg Equilibrium in the population?

NUMS Mock 1
Biology
Evolution

A) No, it will not affect the Hardy Weinberg equilibrium

B) Yes, it will affect the Hardy Weinberg equilibrium

C) It will help to balance equilibrium

D) The Hardy Weinberg equilibrium doesn't apply here

89 / 150

Which bond is present between the nucleotides of DNA:

NUMS Mock 1
Biology
Chromosomes and DNA

A) Peptide bond

B) Phosphodiester bond

C) Glycosidic bond

D) Ester bond

90 / 150

Population growth is checked by which of the following?

NUMS Mock 1
Biology
Evolution

A) No competition

B) No polymorphism

C) Polymorphism

D) Competiton

91 / 150

Why do some vegetables lose water when salt is applied to them?

NUMS Mock 1
Biology
Transport

A) Due to the less negative water potential of the external environment than the cell.

B) Due to the more negative water potential of the external environment that the cell

C) . Due to the less positive water potential of the external environment than the cell

D) Due to more positive water potential of the external environment than the cell

92 / 150

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

NUMS Mock 1
Biology
Evolution

A) Adaptations

B) Polymorphism

C) Niches

D) Specialization

93 / 150

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

NUMS Mock 1
Biology
Evolution

A) Appendix

B) Coccyx

C) Both Options A and B are correct

D) None of these options is correct

94 / 150

Example of nucleophile is:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) BF3

B) SO3

C) AlCl3

D) CN

95 / 150

Transfer of heat from hot surroundings to a cold refrigerator is an example of:

NUMS Mock 1
Chemistry
Thermochemistry

A) Spontaneous reaction

B) Non-Spontaneous reaction

C) First law of thermodynamics

D) All of the above options are correct

96 / 150

Which of the following has the correct order in terms of increasing acidity?

NUMS Mock 1
Chemistry
Acids, Bases and Salts

A) HI < HBr < HCl < HF

B) CH4< NH3< H2O < HF

C) Both of the above options

D) Cannot be determined

97 / 150

The reaction 2RX + 2Na -> RR + 2NaX is an example of:

NUMS Mock 1
Chemistry
Alkyl Halides and Amines

A) Cannizaro’s reaction

B) Kolbe’s reaction

C) Sabatier & Senderen’s reaction

D) Wurtz reaction

98 / 150

The test used to distinguish among primary, secondary, and tertiary alcohols is:

NUMS Mock 1
Chemistry
Alcohols, Phenols and Ethers

A) 2,4 – DNPH test

B) Tollens test

C) Lucas Test

D) Fehling solution test

99 / 150

Maximum number of electrons in a subshell is given by:

NUMS Mock 1
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries

A) 2 (2l – 1)

B) 2 (2l + 1)

C) 2(l + 1)

D) 2l + 1

100 / 150

Ethylene is a monomer of polyethylene that is widely used as raw material for manufacturing plastics. It can be polymerized into two different classes: HDPE and LDPE. The following choices are the differences of HDPE and LDPE except:

NUMS Mock 1
Chemistry
Macromolecules

A) The density

B) The branching of ethylene

C) Reaction conditions

D) Type of polymerization

101 / 150

All of the following react with KMnO4 except

NUMS Mock 1
Chemistry
Hydrocarbons

A) Ethane

B) Ethyne

C) Ethylbenzene

D) Ethene

102 / 150

Le Chatelier Principle is about:

NUMS Mock 1
Chemistry
Chemical Equilibrium

A) Reaction Mixture

B) Reactants

C) Equilibrium Mixture

D) Products

103 / 150

Which of the following has the least electron affinity value?

NUMS Mock 1
Chemistry
Periodicity in Elements
A) 12 C 6
B) 14 N 7
C) 16 8 7
D) 19F 9

A) 12 C 6

B) 14 N 7

C) 16 8 7

D) 19F 9

104 / 150

The amount (in liters) of Oxygen at STP that is required for the combustion of 4gm of ethylene is :

NUMS Mock 1
Chemistry
Stoichiometry

A) 96 liters

B) 9.6 liters

C) 44.8 liters

D) 7.2 liters

105 / 150

The major source of unburnt hydrocarbons in the atmosphere is / are:

NUMS Mock 1
Chemistry
Hydrocarbons

A) Petroleum

B) Natural gas

C) Automobiles

D) Human beings

106 / 150

Tincture of Iodine is:

NUMS Mock 1
Chemistry
Aldehydes and Ketones

A) In alcohol with CHI3

B) In alcohol with I2

C) In ethanol and water mixture with KI and I2

D) In KI and CH3I

107 / 150

Which statement is true about electron affinity?

NUMS Mock 1
Chemistry
Periodicity in Elements
Chemical Bonding
Electron Affinity and Electronegativity

A) The value of electron affinity is always positive

B) The value of electron affinity is always negative

C) The value of first electron affinity is always positive

D) The value of first electron affinity is always negative

108 / 150

The process of depositing a thin layer of expensive metals on ordinary or expensive metals is called:

NUMS Mock 1
Chemistry
Electrochemistry
Electrolysis

A) Electroplating

B) Conductivity

C) Galvanizing

D) Metallurgy

109 / 150

The number of amino acids found in proteins that a human body can synthesize is:

NUMS Mock 1
Chemistry
Chemistry of Life

A) 12

B) 10

C) 5

D) 14

110 / 150

Which of the following compounds possesses a single covalent bond between carbon and hydrogen?

NUMS Mock 1
Chemistry
Hydrocarbons

A) CH4

B) C2H2

C) C2H4

D) All of the above options are correct

111 / 150

Which of the following has maximum Hydration power?

NUMS Mock 1
Chemistry
Chemical Bonding
Energetics of Bond Formation

A) Na+

B) K+

C) Be2+

D) Ca+2

112 / 150

Maleic Acid and Fumaric Acid are:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) Cis-Trans isomers

B) chain isomers

C) position isomers

D) metamers

113 / 150

“The sum of all the exponents to which the molar concentration in terms in the rate equation are raised” defines:

NUMS Mock 1
Chemistry
Reaction Kinetics

A) Rate of reaction

B) Order of reaction

C) Type of reaction

D) Product of reaction

114 / 150

While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine (35.5 amu)

NUMS Mock 1
Chemistry
Stoichiometry

A) Carbon – 13

B) Neon – 20

C) Carbon – 12

D) Nucleon number

115 / 150

In contact process, to which substance adequate quantities of water is added to convert it to sulphuric acid?

NUMS Mock 1
Chemistry
Chemical Equilibrium

A) H2S2O7

B) HSO4-

C) SO3

D) S

116 / 150

Which of the following is the correct order of increasing boiling point?

NUMS Mock 1
Chemistry
Alcohol, Phenols, and Ethers

A) Methanol > Ethanol

B) Methanol < Ethanol

C) Methanol = Ethanol

D) None of these

117 / 150

When two moles of H2 and one mole of O2 react to form H2O, 484 KJ heat is evolved. What is Δ Hf for one mole of H2O?

NUMS Mock 1
Chemistry
Thermochemistry

A) -484 KJmol-1

B) -242 KJmol-1

C) -121 KJmol-1

D) +242 KJmol-1

118 / 150

Carboxylic acids can be reduced to corresponding alcohols. Which of the following reagent can be used for this purpose?

NUMS Mock 1
Chemistry
Carboxylic Acids and its Derivatives

A) KMnO4

B) LiAlH4

C) K2Cr2O4

D) H2SO4

119 / 150

Reaction of water with quicklime results in the rise in the temperature of the system. Using the concept of an energy change, indicates the nature of the reaction?

NUMS Mock 1
Chemistry
Thermochemistry

A) Endothermic Reaction

B) Non spontaneous Reaction

C) Third Order Reaction

D) Exothermic Reaction

120 / 150

A single Chloride free radical can destroy ozone molecules up to:

NUMS Mock 1
Chemistry
Enviormental Chemistry

A) 100,000

B) 10,000

C) 100,0000

D) 1000

121 / 150

The potential difference of an electrochemical cell is measured by:

NUMS Mock 1
Chemistry
Electrochemistry
Electrochemical Series

A) Ammeter

B) Voltmeter

C) Galvanometer

D) Calorimeter

122 / 150

Which type of reaction takes place when a carbonyl compound is treated with a mixture of NaCN and an acid?

NUMS Mock 1
Chemistry
Aldehydes and Ketones

A) Electrophilic addition reaction

B) Substitution reaction

C) Nucleophilic addition reaction

D) Displacement reaction

123 / 150

Which of the following is an application of chemistry in the field of medicine?

NUMS Mock 1
Chemistry
Environmental Chemistry

A) Desalination of seawater

B) Production of biofuels

C) Development of new pharmaceutical drugs

D) Extraction of metals from ores

124 / 150

When fused PbBr2 is electrolyzed:

NUMS Mock 1
Chemistry
Electrochemistry
Electrolysis

A) Bromine appears at the cathode

B) Lead is deposited at the cathode

C) Lead appears at the anode

D) None of the given options

125 / 150

Nitric oxide has how many valence electrons?

NUMS Mock 1
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries

A) 10

B) 13

C) 11

D) 12

126 / 150

Which of the following will react with water?

NUMS Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry

A) CHCl3

B) Cl3CCHO

C) CHI4

D) ClCH2CH2Cl

127 / 150

An azeotropic mixture of two liquids has a boiling point higher than either of them when it:

NUMS Mock 1
Chemistry
Solution and Colloids

A) Shows positive deviation from Raoult’s law

B) Shows negative deviation from Raoult’s law

C) Shows ideal behaviour

D) Is saturated

128 / 150

The relation between first and second ionization potentials of a given atom is:

NUMS Mock 1
Chemistry
Chemical Bonding
Ionization Energy

A) I1 < I2

B) I1 > I2

C) I1 = I2

D) None of the above

129 / 150

The reaction mechanism of alkanes with halogens is known as;

NUMS Mock 1
Chemistry
Alkyl Halides and Amines

A) Propogation

B) Free radical substitution

C) Addition

D) Elimination

130 / 150

The radiations from a naturally occurring radioactive substance, as seen after deflection by a magnetic field in one direction, are:

NUMS Mock 1
Chemistry
Analytical Chemistry

A) Definitely Alpha-rays

B) Definitely Beta-rays

C) Both Alpha and Beta rays

D) Either Alpha or Beta rays

131 / 150

The essential property of a fertilizer is that is should be:

NUMS Mock 1
Chemistry
Environmental Chemistry
Solid Waste Management and Water Treatment

A) Immiscible

B) Highly soluble

C) Insoluble

D) Partially soluble

132 / 150

Commercial hydrogen can be obtained by the action of steam on:

NUMS Mock 1
Chemistry
s and p Block Elements

A) Marsh gas

B) Coal gas

C) Producer gas

D) None of these

133 / 150

Water has maximum density at:

NUMS Mock 1
Chemistry
States of Matter – Gases, Liquids and Solids

A) -4 C

B) – 1 C

C) 0 C

D) 4 C

134 / 150

The peon will not ___ the bell.

NUMS Mock 1
English

A) Has rings

B) Had rung

C) Have rung

D) Ring

135 / 150

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

NUMS Mock 1
Biology
Enzymes

A) Substrate

B) Coenzyme

C) Apoenzyme

D) Holoenzyme

136 / 150

Choose the correct type of tense: “We will visit the museum.”

NUMS Mock 1
English
Tenses and Sentence Structure

A) Present

B) Past

C) Future

D) None of these options is correct

137 / 150

Choose the word most similar in meaning to the capitalized one.

WILD:

NUMS Mock 1
English

A) uncivilized

B) cultivated

C) domestic

D) cultured.

138 / 150

A successful businessman is _______ of the risks.

NUMS Mock 1
English
Fill in the blank

A) Audacious

B) Agoraphobic

C) Dismay

D) Coerce

139 / 150

Demonstrate the correct use of articles and prepositions:

___________ man is mortal.

NUMS Mock 1
English
Fill in the blank

A) A

B) An

C) The

D) No article needs to be used

140 / 150

The word closest in meaning to bewilderment is:

NUMS Mock 1
English
Key Vocabulary

A) Surety

B) Bedazzled

C) Confident

D) Epiphany

141 / 150

In the following question, four alternative sentences are given. Choose the CORRECT one.

NUMS Mock 1
English
Grammar and Punctuation

A) I leaned over the parapet and looked down.

B) I leaned at the parapet and looked down.

C) I leaned against the parapet and looked down.

D) I leaned down the parapet and looked down.

142 / 150

Don’t forget your ___ . It’s very cold outside, you wouldn’t want to catch a cold.

NUMS Mock 1
English

A) Gloves

B) Underwear

C) Umbrella

D) Scissors

143 / 150

Which of the following sentences is grammatically incorrect?

NUMS Mock 1
English
Grammar and Punctuation

A) William gave her his last piece of chocolate.

B) William gave him his last piece of chocolate.

C) William gave they his last piece of chocolate.

D) William gave us his last piece of chocolate.

144 / 150

Identify the correct punctuation for the following sentence:

“The concert starts at 7:30 P.M”

NUMS Mock 1
English

A) "The concert starts at 7:30 PM."

B) "The concert starts at 7:30 p.m."

C) "The concert starts at 7:30 P.M."

D) "The concert starts at 7:30 pm."

145 / 150

Lecithin is formed by combining phosphatidic acid with ______:

NUMS Mock 1
Biology
Biological Molecules

A) Serine

B) Choline

C) Inositol

D) Ethanolamine

146 / 150

Identify that underlined segment of the sentence, which contains the mistake that needs to be corrected.

My brother doesn’t care how much does the car cost because he is going to buy it anyway.

NUMS Mock 1
English
Identify errors in sentence

A) My brother

B) Does the car cost

C) Because

D) He is going to buy

147 / 150

What type of sentence is this?

Our car broke down, so we came last.

NUMS Mock 1
English
Tenses and Sentence Structure

A) Complex

B) Simple

C) Compound

D) Compound-complex

148 / 150

Neither they nor their friend ______ solved the question.

NUMS Mock 1
English
Fill in the blank

A) has

B) have

C) was

D) were

149 / 150

Identify the correct spelling of the word that means “extremely harmful or malicious”:

NUMS Mock 1
English

A) Malignent

B) Malevalent

C) Malevolent

D) Maligant

150 / 150

What do you usually have for ______ breakfast?

NUMS Mock 1
English

A) A

B) An

C) The

D) No article

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