Solved Past Paper

NUMS MDCAT Past Paper 2020

Practice and review NUMS MDCAT Past Paper 2020 with verified questions, correct answer keys, and detailed solutions.

Total Questions 192 Qs
Duration Limit 150 Min
Negative Mark 0.00
Attempt Count 0

Solved Questions & Explanations

192 questions (172 solved, 20 official sample questions)

1

In motion of satellites, necessary centripetal force is provided by:

Financial Action Task Force (FATF) PYQ
a Gravitational Force
b Coulomb's Force
c Magnetic Force
d Nuclear Force
Also appeared in
2

In ripple tank 40 waves pass through a certain point in one second. If the wavelength of the waves is 5cm, then find the speed of wave.

Guinness World Records (General Knowledge Focus) PYQ
a 2.7 m/s
b 3 m/s
c 200 m/s
d 2 m/s
Also appeared in
3

The product of frequency and time period is equal to:

Time Zones and Latitude–Longitude PYQ
b 1
c 2
d 3
Also appeared in
4

Trough of a wave acts as:

Guinness World Records (General Knowledge Focus) PYQ
a Concave lens
b Convex lens
c Convex mirror
d Plane mirror
Also appeared in
5

In Doppler effect if listener moves towards a stationary source then:

Commonwealth of Independent States (CIS) PYQ
a Observed frequency is greater than original frequency
b Observed frequency is less than original frequency
c Observed frequency is equal to original frequency
d Observed frequency is independent of original frequency
Also appeared in
6

Refrigerator is an example of:

Guinness World Records (General Knowledge Focus) PYQ
a First law of thermodynamics
b Second law of thermodynamics
c Newton law of motion
d Entropy
Also appeared in
7

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

Time Zones and Latitude–Longitude PYQ
a 150J
b 300J
c 250J
d 500J
Also appeared in
8

The rapid escape of air from a burst tyre is an example of:

Guinness World Records (General Knowledge Focus) PYQ
a Isothermal
b Adiabatic
c Isobaric
d Isochoric
Also appeared in
9

The bicycle pump works on the basis of:

International Atomic Energy Agency (IAEA) PYQ
a 1st Law of thermodynamics
b 2nd Law of thermodynamics
c Law of conservation of energy
d Law of entropy
Also appeared in
10

Two positive point charges are placed 2m apart. The electric potential at mid-point due to these two charges will be______:

Guinness World Records (General Knowledge Focus) PYQ
a Added to double
b Reduced to half
c Remains same (no effect)
d Cancel each other effect
Also appeared in
11

Which one of the following is the angle of projection of a projectile if its range is equal to its height?

Guinness World Records (General Knowledge Focus) PYQ
a 48°
b 60°
c 76°
d 90°
Also appeared in
12

The product of force and time is equal to:

Time Zones and Latitude–Longitude PYQ
a Force
b Angular momentum
c Change in momentum
d Velocity
Also appeared in
13

The time rate of change of linear momentum of a body is equal to:

Time Zones and Latitude–Longitude PYQ
a Force
b Momentum
c Power
d Acceleration
Also appeared in
14

A 10 N force moves a body around a circular path of radius 50cm. What is work done in completing one revolution?

Industrial Revolution PYQ
a Zero
b 5 J
c 31.42 J
d 500 J
Also appeared in
15

3 kg stone falls from 20m high platform. Find its falling speed at 10m height.

United Nations High Commissioner for Refugees (UNHCR) PYQ
a 10 ms⁻¹
b 14 ms⁻¹
c 100 ms⁻¹
d 196 ms⁻¹
Also appeared in
16

The area under force - displacement graph gives us:

Area, Population and Official Languages PYQ
a Work
b Power
c Acceleration
d Displacement
Also appeared in
17

Kilowatt-hour is unit of?

International Atomic Energy Agency (IAEA) PYQ
a Electric Energy
b Power
c Momentum
d Torque
Also appeared in
18

The food we eat in one day has about the same energy as:

Food and Agriculture Organization (FAO) PYQ
a 0.33 liter of petrol
b 1 liter of petrol
c 0.5 liter of petrol
d 2 liter of petrol
Also appeared in
19

One complete circle is equal to:

Guinness World Records (General Knowledge Focus) PYQ
a 2 radian
b 3 radian
c 5 radian
d 6 radian
Also appeared in
20

Red light is used in photographic dark room because of:

Guinness World Records (General Knowledge Focus) PYQ
a More frequency, less wavelength
b Less frequency, less wavelength
c Less frequency, more wavelength
d More frequency, more wavelength
Also appeared in
21

For gaining an atomic spectra, an evacuated glass tube is filled with:

International Atomic Energy Agency (IAEA) PYQ
a Neon
b Hydrogen
c Carbon dioxide
d Sulphur dioxide
Also appeared in
22

During production of x-rays the cathode and anode are enclosed inside an evacuated glass chamber and high DC voltage of the order of:

United Nations High Commissioner for Refugees (UNHCR) PYQ
a 1000 V is maintained
b 10,000 V is maintained
c 25,000 V is maintained
d 50,000 V is maintained
Also appeared in
23

Half-life of iodine-131 is 8 days. If 20mg is present initially, how much iodine is left behind after 2 half-lives?

Guinness World Records (General Knowledge Focus) PYQ
a 10 mg
b 5 mg
c 2.5 mg
d 1.25 mg
Also appeared in
24

5 × 10⁹ years is the half-life of:

Guinness World Records (General Knowledge Focus) PYQ
a U²³⁵
b U²³⁴
c U²³⁸
d C¹⁴
Also appeared in
25

When a charge "Q" on a capacitor is doubled then energy stored "U" will:

International Atomic Energy Agency (IAEA) PYQ
a 2 U
b 3 U
c U / 2
d 4 U
Also appeared in
26

By increasing area of the plates and decreasing distance between them, the capacitance of capacitor:

Area, Population and Official Languages PYQ
a Increases
b Decreases
c Remains unchanged
d Depending upon temperature
Also appeared in
27

If we double the separation between two charges then coulomb's force will become?

Time Zones and Latitude–Longitude PYQ
a Doubled
b Half
c 4-times
d 14th
Also appeared in
28

The power of an electric bulb is 100W. It is connected to 110V power supply. The resistance of electric bulb will be?

Guinness World Records (General Knowledge Focus) PYQ
a 11 ohm
b 121 ohm
c 20 ohm
d 200 ohm
Also appeared in
29

Terminal voltage "Vi" of the battery is greater than end of the battery when:

Guinness World Records (General Knowledge Focus) PYQ
a Battery is charging
b Battery is discharging
c Battery is connected with R
d Battery is connected with voltmeter
Also appeared in
30

The temperature coefficient of semi-conductor is negative because:

Weather, Atmosphere and Temperature PYQ
a Resistance increases with increase of temperature
b Resistance decreases with increase of temperature
c Resistance decreases with decrease of temperature
d Resistance remains same with increase of temperature
Also appeared in
31

If length of the wire becomes two times to its original value and area becomes one half to its original value then resistance of the wire becomes:

Area, Population and Official Languages PYQ
a Double
b Four times
c One half
d One fourth
Also appeared in
32

The unit of resistivity is:

Guinness World Records (General Knowledge Focus) PYQ
a ohm
b ohm meter
c ohm / meter
d meter / ohm
Also appeared in
33

1 kilowatt hour =

Guinness World Records (General Knowledge Focus) PYQ
a 1.6 × 10⁻¹⁹ J
b 3.6 × 10⁵ J
c 9.1 × 10⁻³¹ J
d 1.67 × 10⁻²⁷ J
Also appeared in
34

It is a null type resistance device for measuring potential differences:

Guinness World Records (General Knowledge Focus) PYQ
a Galvanometer
b Ohmmeter
c Ammeter
d Potentiometer
Also appeared in
35

Which statement is true about electron affinity?

Guinness World Records (General Knowledge Focus) PYQ
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
Also appeared in
36

The bond which is based on attractive forces between oppositely charged ion is:

Financial Action Task Force (FATF) PYQ
a Covalent bond
b Dative bond
c Ionic bond
d Metallic bond
Also appeared in
37

Which statement is incorrect regarding a chemical bond?

Financial Action Task Force (FATF) PYQ
a Bond is formed by the overlapping of half-filled orbitals
b Bond is formed by the attraction of positive and negative ions
c Bond is formed by the overlapping of "s" orbital is strong
d Bond formed by the large sized atoms is strong
Also appeared in
38

The carbonates of alkali metals are soluble in water except:

Guinness World Records (General Knowledge Focus) PYQ
a K₂CO₃
b Li₂CO₃
c Na₂CO₃
d Rb₂CO₃
Also appeared in
39

The nitrides of alkaline earth metals hydrolyse with water to form:

Guinness World Records (General Knowledge Focus) PYQ
a NH₃
b H₂
c N₂
d NO
Also appeared in
40

The flame colour of Ca in flame test is:

Guinness World Records (General Knowledge Focus) PYQ
a Orange red
b Golden yellow
c Red
d Pink
Also appeared in
41

Which of the following is the most stable metal carbonate?

Official Sample (Unsolved) Most Repeated GK MCQs from Past Papers PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
42

The binding energy of transition metal increase upto group:

Official Sample (Unsolved) International Atomic Energy Agency (IAEA) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
43

Isomerism due to shifting of proton from one atom to another in a same molecule is known as:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
44

Iso-Butyl alcohol has following carbon attached to hydroxy group:

Official Sample (Unsolved) Group of Seven (G7) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
45

Oxidation of alcohol gives:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
46

Butanone on oxidation with K₂Cr₂O₇ / H₂SO₄ forms:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
47

Hydrolysis of Nitriles produces:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
48

Acetic anhydride is a product of acetic acid, as a result of the following reaction:

Official Sample (Unsolved) Financial Action Task Force (FATF) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
49

Which of the following enzyme is raised in rickets?

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
50

For a gaseous reaction, the increase in pressure will shift the equilibrium in a direction:

Official Sample (Unsolved) Financial Action Task Force (FATF) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
51

Acidic buffer consist of:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
52

The pH of human blood is maintained between:

Official Sample (Unsolved) United Nations Human Settlements Programme (UN-Habitat) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
53

The buffer solution is not formed for:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
54

In the reactionH_2 + CO_2 ↔ H_2O + COthe decrease in the concentration of CO_2 will shift equilibrium:

Official Sample (Unsolved) Financial Action Task Force (FATF) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
55

At equilibrium the concentration of reactants and product become:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
56

The effect of temperature on the rate of a reaction is given by:

Official Sample (Unsolved) Weather, Atmosphere and Temperature PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
57

In a reversible reaction, catalyst lowers the activation energy of the:

Official Sample (Unsolved) International Atomic Energy Agency (IAEA) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
58

The rate of reaction:

Official Sample (Unsolved) Financial Action Task Force (FATF) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
59

5 molar solution NaOH contains:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
60

The breakdown of a substance with current is:

Official Sample (Unsolved) Guinness World Records (General Knowledge Focus) PYQ
Official university sample test — answer key not published in admissions prospectus. Propose Solution
Also appeared in
61

Which of the following is balanced redox equation?

Guinness World Records (General Knowledge Focus) PYQ
a Na + Fe³⁺ → Na⁺ + Fe
b Zn + Ag⁺ → Zn²⁺ + Ag
c 3Na + Fe³⁺ → 3Na⁺ + Fe
d 2Zn + Ag⁺ → 2Zn²⁺ + Ag
Also appeared in
62

Stronger is the oxidizing agent, greater is the:

Guinness World Records (General Knowledge Focus) PYQ
a Oxidation potential
b Reduction potential
c Redox potential
d EMF of cell
Also appeared in
63

Type of bonding in Sodium (Na) is:

Guinness World Records (General Knowledge Focus) PYQ
a Metallic
b Ionic
c Covalent
d Co-ordinate Covalent
Also appeared in
64

Which of the following Halogens molecules has maximum bond energy?

International Atomic Energy Agency (IAEA) PYQ
a F-F
b Cl-Cl
c Br-Br
d I-I
Also appeared in
65

Half atmospheric pressure is:

Guinness World Records (General Knowledge Focus) PYQ
a 400 torr
b 50622 Pa
c 101.3 Pa
d 8.5 pounds
Also appeared in
66

The values of S,T,P for 1 mole of any ideal gas is:

Guinness World Records (General Knowledge Focus) PYQ
a 273.16 K & 1 atm
b 0°C & 1 mm Hg
c 273.16°C & 1 atm
d 0 K & 1 atm
Also appeared in
67

The expression PV = nRT represents the:

Guinness World Records (General Knowledge Focus) PYQ
a Dillon's law
b Avogadro's law
c General gas equation
d Vander Waal's equation
Also appeared in
68

Pressure remaining constant, at which temperature volume of gas will become twice to the volume at 0°C?

Weather, Atmosphere and Temperature PYQ
a 200 °C
b 546 °C
c 546 °K
d 273 °C
Also appeared in
69

A graph between volume and temperature gives a straight line which cuts the temperature axis at:

Weather, Atmosphere and Temperature PYQ
a 273 °C
b 273°C
c 546°C
d -273°C
Also appeared in
70

What is not true for effusion of gases?

United Nations High Commissioner for Refugees (UNHCR) PYQ
a Movement of particles through small opening
b Movement of particles from high pressure to low pressure
c Movement of particles due to escaping tendency one by one
d Movement of particles due to collision among themselves
Also appeared in
71

Upon which factor vapour pressure is independent :

Area, Population and Official Languages PYQ
a Intermolecular forces
b Movement of particles due to collision among themselves
c Density of liquid
d Surface area of liquid
Also appeared in
72

Solid water is expanded ______ times when it is compared with same volume of liquid water :

Time Zones and Latitude–Longitude PYQ
a 2
b 6
c 5
d 9
Also appeared in
73

Molar heat of vaporization is the amount of heat required to convert one mole of:

Guinness World Records (General Knowledge Focus) PYQ
a A liquid into its vapours at its boiling point
b Liquid into its vapours
c Solid into liquid at its melting point
d Solids into vapours
Also appeared in
74

At transition temperature of crystalline solid, substance exists:

Most Repeated GK MCQs from Past Papers PYQ
a Solid and liquid state
b In most stable geometrical form
c In dynamic equilibrium between two crystalline forms
d In one solid geometrical form only
Also appeared in
75

Some substances lack definite heats of fusion. These substances are:

Guinness World Records (General Knowledge Focus) PYQ
a Isomorphs
b Polymorphs
c Amorphous solids
d Crystalline solids
Also appeared in
76

Thermal conductivity of metals is due to:

Earth’s Structure and Geological Features PYQ
a Layered structure of metals
b Freely moving electrons
c Loosely held metal atoms
d Vibrational movement of metals
Also appeared in
77

Ice floats on the surface of water due to:

Earth’s Structure and Geological Features PYQ
a Larger bond length
b Cubic structure of ice
c Weak intermolecular forces
d Empty spaces in the structure of ice
Also appeared in
78

When number of moles of reactants and products are equal in reversible reactions, which parameter would not affect at equilibrium?

Weather, Atmosphere and Temperature PYQ
a Temperature
b Pressure
c Volume
d Catalyst
Also appeared in
79

By which of the following factors equilibrium state is attained earlier?

Weather, Atmosphere and Temperature PYQ
a Temperature
b Pressure
c Concentration
d Catalyst
Also appeared in
80

Many elements have fractional atomic masses. This is because:

International Atomic Energy Agency (IAEA) PYQ
a Atomic masses are average masses of isobars
b Mass of atom is itself fractional
c Atomic masses are average masses of isotopes
d Atomic masses are average masses of isotopes proportional to their abundance
Also appeared in
81

Mass of 1 molecule of O₂ is:

Guinness World Records (General Knowledge Focus) PYQ
a 0.32 g
b 32 g
c 32 / 6.02 × 10²³ g
d 6.02 × 10²³ g / 32
Also appeared in
82

The number of moles of CO₂ which contain 8.0 g of oxygen are:

Guinness World Records (General Knowledge Focus) PYQ
a 1.0
b 4.50
c 0.50
d 0.25
Also appeared in
83

Identify the correct option with same empirical formula for both compounds:

Guinness World Records (General Knowledge Focus) PYQ
a H₂O & H₂O₂
b C₆H₁₂ & C₆H₆
c H₂S₂O₃ & H₂SO₄
d C₆H₁₂O₆ & CH₃COOH
Also appeared in
84

1 mole of any substance contains ______ particles:

Guinness World Records (General Knowledge Focus) PYQ
a 6.02 × 10²³
b 6.02 × 10²⁴
c 6.02 × 10²²
d 3.01 × 10²³
Also appeared in
85

What are the Avogadro's number of particles in 0.25 moles of CO₂?

Guinness World Records (General Knowledge Focus) PYQ
a 6.022 × 10⁷
b 1.505 × 10²³
c 2.00 × 10²³
d 1.505 × 10¹⁵
Also appeared in
86

The charge on one kg of electron is:

Guinness World Records (General Knowledge Focus) PYQ
a 17588 × 10¹¹ C
b 165 × 10¹⁹ C
c 9.1095 × 10³¹ C
d 7.9 × 10²⁵ C
Also appeared in
87

Which of the following fundamental particles have same mass/kg?

International Fund for Agricultural Development (IFAD) PYQ
a Electron, neutrino
b Electron, proton
c Proton, neutrino
d Neutron, proton
Also appeared in
88

The lightest positive rays obtained is from:

Guinness World Records (General Knowledge Focus) PYQ
a Hydrogen gas
b Helium
c Neon
d Air
Also appeared in
89

The amount of energy associated with quantum of radiation is directly proportional to:

International Atomic Energy Agency (IAEA) PYQ
a Photon
b Wavelength
c Frequency
d Velocity
Also appeared in
90

X-rays are defined as :

United Nations High Commissioner for Refugees (UNHCR) PYQ
a Electromagnetic radiations of high mass number
b Electromagnetic radiations of very high frequency
c Electromagnetic radiations of high wavelength
d Electromagnetic radiations of high energy
Also appeared in
91

Which of the following orbital will be filled first than 4p?

Guinness World Records (General Knowledge Focus) PYQ
a 4s
b 2p
c 3d
d 1s
Also appeared in
92

Maximum ______ electrons can be placed in one orbital:

Guinness World Records (General Knowledge Focus) PYQ
a 1
b 2
c 3
d 4
Also appeared in
93

Mass of electron in a.m.u is:

Guinness World Records (General Knowledge Focus) PYQ
a 9.1 × 10⁻³¹
b 5.485 × 10⁻⁴
c 1.0087
d 1.0073
Also appeared in
94

Starting point of Kelvin scale is:

Guinness World Records (General Knowledge Focus) PYQ
a 0 K
b -400 K
c -210 K
d -273.15 K
Also appeared in
95

Pick the correct option:There are Shella and Irum result cards.

Guinness World Records (General Knowledge Focus) PYQ
a There are Shella, and, Irum result cards.
b There are Shella and Irum's result cards.
c There are Shella's and Irum's result cards.
d There are Shella's, and Irum's result cards.
Also appeared in
96

Pick the correct option:

Group of Seven (G7) PYQ
a Seven students results are still awaited.
b Seven student's results are still awaited.
c Seven students' results are still awaited.
d Seven student results are still awaited.
Also appeared in
97

Which punctuation mark will be used to separate both the clauses in the following sentence?The gang was rounded up the raid the leader escaped.

Guinness World Records (General Knowledge Focus) PYQ
a .
b ,
c ;
d :
Also appeared in
98

Fifteen minutes ______ allowed to each speaker.

Guinness World Records (General Knowledge Focus) PYQ
a Is
b Are
c Were
d Are being
Also appeared in
99

Choose the correct passive voice. How did she defraud him of his savings?

World Leaders in News PYQ
a How had he been defrauded by her?
b How had he been defrauded of his savings?
c How was he defraud of his savings?
d How was he defrauded by her of his savings?
Also appeared in
100

Identify the errors and choose the correct option:The rehearsal session started and we have little times to spar for other activities

Time Zones and Latitude–Longitude PYQ
a The rehearsal session started and we have little time to spare for other activities.
b The rehearsal session started, and we little time to spare for other activities.
c The rehearsal session starts and we has little time to spare for other activities.
d We are little time to spare for other activities, the rehearsals session starts.
Also appeared in
101

Fill in the blank with appropriate option: Lions, like any other carnivore, ______ on meat.

Guinness World Records (General Knowledge Focus) PYQ
a Live
b Lives
c Does live
d Living
Also appeared in
102

Fill in the blank with appropriate option: The cattle ______ away the crops.

Guinness World Records (General Knowledge Focus) PYQ
a Has eaten
b Is eating
c Have eaten
d Have been eating
Also appeared in
103

The word 'LABYRINTH' means:

Guinness World Records (General Knowledge Focus) PYQ
a Maze
b Heap
c Hive
d Knack
Also appeared in
104

Pick the correct option:These are old those are new.

Guinness World Records (General Knowledge Focus) PYQ
a These, are old, those are new.
b These are old; those are new.
c These are old - those are new.
d None of these
Also appeared in
105

Ahmed carried out his duty according ______ instructions.

Guinness World Records (General Knowledge Focus) PYQ
a Too
b To
c Under
d An
Also appeared in
106

Identify the errors and choose the correct option:The first space traveller was Dennis Tito from united states

United States–Mexico–Canada Agreement (USMCA) PYQ
a The first space traveller was Dennis Tito from the United States
b The First Space Traveller was Dennis Tito, from, the United States
c The first space traveller was Dennis Tito from united State
d The first space traveller was Dennis Tito, from the United States
Also appeared in
107

Select the right sentence.

Guinness World Records (General Knowledge Focus) PYQ
a He opened the square red wooden box.
b He opened the red square wooden box.
c He opened the red wooden square box.
d He opened the wooden red square box.
Also appeared in
108

Fill in the blank. I can't walk ______.

Guinness World Records (General Knowledge Focus) PYQ
a Farther
b Far
c Further
d Away
Also appeared in
109

Can you tell this fact ______ his face?

Guinness World Records (General Knowledge Focus) PYQ
a To
b On
c Upon
d At
Also appeared in
110

Choose the correct option.

Guinness World Records (General Knowledge Focus) PYQ
a The Three Musketeers was written by Dumas.
b The Three Musketeers were written by Dumas.
c The Three Musketeers has written by Dumas.
d The Three Musketeers have written by Dumas.
Also appeared in
111

They have painted their house purple. The sentence is an example of:

Guinness World Records (General Knowledge Focus) PYQ
a Monotransitive
b Dtransitive
c Complex transitive
d Reflexive transitive
Also appeared in
112

Select correct option: He was killed ______ robbers ______ a hatchet.

Guinness World Records (General Knowledge Focus) PYQ
a From, with
b By, at
c Through, for
d By, with
Also appeared in
113

Find out Antonym of "Mumbled".

Guinness World Records (General Knowledge Focus) PYQ
a Unprovoked
b Quiver
c Loud
d Rarely
Also appeared in
114

Negative feedback mechanism is the characteristic of which class?

Guinness World Records (General Knowledge Focus) PYQ
a Class Fish
b Class Amphibia
c Class Reptilia
d Class Mammalia
Also appeared in
115

The function of papillary muscles is to:

Guinness World Records (General Knowledge Focus) PYQ
a Move blood from semilunar valve into pulmonary vein
b Prevent the backward flow of blood from the ventricle
c Push the blood from left atrium to aorta
d Push the blood from right atrium to left atrium
Also appeared in
116

Choose the correct pathway for the flow of blood:

Guinness World Records (General Knowledge Focus) PYQ
a Arterioles - metarterioles - thoroughfare channel - capillaries
b Arterioles - thoroughfare channel - metarterioles - capillaries
c Thoroughfare channel - arterioles - capillaries - metarterioles
d Metarterioles - arterioles - thoroughfare channels - capillaries
Also appeared in
117

Intrinsic factor is secreted by:

Guinness World Records (General Knowledge Focus) PYQ
a Pancreas
b Liver
c Stomach
d Duodenum
Also appeared in
118

Gaseous exchange in plants takes place through the:

United Nations Framework Convention on Climate Change (UNFCCC) PYQ
a Stomata
b Mesophyll
c Endoderm
d Xylem
Also appeared in
119

Translocation of organic solutes in plants takes place through:

Guinness World Records (General Knowledge Focus) PYQ
a Companion cell
b Fibres
c Sieve tubes
d Vessels
Also appeared in
120

The only vein in the human body carrying oxygenated blood is:

United Nations Human Settlements Programme (UN-Habitat) PYQ
a Femoral
b Pulmonary
c Renal
d Iliac
Also appeared in
121

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

Important Lines and Boundaries PYQ
a Monocytes
b Neutrophils
c Lymphocytes
d Thrombocytes
Also appeared in
122

Which of the following blood vessels have the highest pressure of blood?

Highest and Lowest Points PYQ
a Aorta
b Pulmonary arteries
c Pulmonary veins
d Vena Cava
Also appeared in
123

Autoimmune diseases act at the principle of:

Famous Seas PYQ
a Antigen against self
b Self against antigens
c Self against self
d Antigen self-dealroyed
Also appeared in
124

Urine leaves the kidney through a duct called:

Guinness World Records (General Knowledge Focus) PYQ
a Urethra
b Pelvis
c Ureter
d Nephron
Also appeared in
125

Digestion of which food components start from oral cavity:

Food and Agriculture Organization (FAO) PYQ
a Proteins
b Fats
c Carbohydrates
d Vitamins
Also appeared in
126

In human gut, chylomicrons are formed by the combination of:

United Nations Human Settlements Programme (UN-Habitat) PYQ
a Proteins and carbohydrates
b Fats and proteins
c Fats and carbohydrates
d Vitamins and fats
Also appeared in
127

Dark reaction of Photosynthesis takes place in ______ of chloroplast:

Financial Action Task Force (FATF) PYQ
a Thylakoids
b Grana
c Intergrana
d Stroma
Also appeared in
128

Which of the following occurs in the body in response to the secretion of glucagon?

Guinness World Records (General Knowledge Focus) PYQ
a Conversion of glucose to glycogen in liver cells
b Decrease in blood glucose concentration
c Increased uptake of glucose by muscle cells
d Production of cyclic AMP in target cells
Also appeared in
129

Almost all of the freshwater animals and most of the marine vertebrates are:

Most Repeated GK MCQs from Past Papers PYQ
a Osmoconformers
b Osmoregulators
c Isotonic to environment
d At dynamic equilibrium to environment
Also appeared in
130

In Marine environment, the ion secreted by kidney is:

United Nations Environment Programme (UNEP) PYQ
a Na⁺
b K⁺
c Mg⁺⁺
d Cl⁻
Also appeared in
131

Which organ is called as the body's thermostat?

Most Repeated GK MCQs from Past Papers PYQ
a Pituitary gland
b Kidneys
c Hypothalamus
d Adrenal gland
Also appeared in
132

The uptake of sodium in the ascending limb of loop of Henle is controlled by:

Guinness World Records (General Knowledge Focus) PYQ
a Aldosterone
b ADH
c Glucosterone
d Thyroxin
Also appeared in
133

The multinucleated mass of the bone forming cells is called:

Multi-Polar World PYQ
a Osteoclasts
b Osteoblasts
c Osteogenics
d Osteocytes
Also appeared in
134

Chief material present in the cell walls of plants, fungal and prokaryotic cells are:

Guinness World Records (General Knowledge Focus) PYQ
a Proteins
b Lipids
c Polysaccharides
d Phospholipids
Also appeared in
135

Which type of leucoplasts store lipids?

Guinness World Records (General Knowledge Focus) PYQ
a Amyloplast
b Elaioplast
c Proteinoplast
d Etioplast
Also appeared in
136

Which type of movement through cell membrane is not energy consuming process?

International Atomic Energy Agency (IAEA) PYQ
a Endocytosis
b Exocytosis
c Active transport
d Osmosis
Also appeared in
137

Cholesterol molecules in plasma membrane are present in ______:

Guinness World Records (General Knowledge Focus) PYQ
a Outer membrane of phospholipid
b Inner membrane of phospholipid
c Both layers of phospholipid
d Between bilayers of phospholipid
Also appeared in
138

Fibers of extracellular matrix are attached to ______ in plasma membrane:

Guinness World Records (General Knowledge Focus) PYQ
a Phospholipids
b Carbohydrates
c Glycolipids
d Proteins
Also appeared in
139

_____ organelles involve in the synthesis of plant cell wall:

Guinness World Records (General Knowledge Focus) PYQ
a Endoplasmic reticulum
b Golgi complex
c Lysosomes
d Peroxiosomes
Also appeared in
140

Select the pair of organs which contains a large number of mitochondria:

Guinness World Records (General Knowledge Focus) PYQ
a Stomach & Liver
b Muscle & Stomach
c Heart & Liver
d Liver & Muscle
Also appeared in
141

Which of the following cells does not have nucleus?

Guinness World Records (General Knowledge Focus) PYQ
a Muscle cell
b Nerve cell
c White Blood cell
d Red Blood cell
Also appeared in
142

Most abundant organic compounds in mammalian cell are:

Most Repeated GK MCQs from Past Papers PYQ
a Water
b Lipids
c Carbohydrates
d Proteins
Also appeared in
143

Second most abundant bio element in human body is:

Most Repeated GK MCQs from Past Papers PYQ
a Oxygen
b Carbon
c Hydrogen
d Nitrogen
Also appeared in
144

Lecithin is formed by combining phosphatidic acid with ______:

Guinness World Records (General Knowledge Focus) PYQ
a Serine
b Choline
c Inositol
d Ethanolamine
Also appeared in
145

NAD is an example of ______:

Guinness World Records (General Knowledge Focus) PYQ
a Mononucleotide
b Dinucleotide
c Tri nucleotide
d Tetra nucleotide
Also appeared in
146

What would be the number of nucleotides for a protein molecule of about 142 amino acids?

Ocean Currents and Tides PYQ
a 430
b 142
c 426
d 460
Also appeared in
147

The basic structural framework of all types of membranes are:

Basic World Statistics PYQ
a Glycolipids
b Glycoproteins
c Lipoproteins
d Nucleoproteins
Also appeared in
148

Non Protein but inorganic detachable co-factor is called ______:

Group of Seven (G7) PYQ
a Activator
b Prosthetic group
c Co-enzyme
d Apo-enzyme
Also appeared in
149

When inhibitor binds to enzyme other than active site and alters its structure, then it is called:

Earth’s Structure and Geological Features PYQ
a Competitive inhibitor
b Non - Competitive inhibitor
c Reversible inhibitor
d Irreversible inhibitor
Also appeared in
150

Cyanides are potent poisons of living organism and can kill by inhibiting ______ essential for cellular respiration:

Guinness World Records (General Knowledge Focus) PYQ
a Cytochrome oxidases
b Dehydrogenases
c Nucleases
d Hydrolases
Also appeared in
151

During feedback inhibition, which of the following structural part of enzyme is involved?

Guinness World Records (General Knowledge Focus) PYQ
a Active site
b Binding site
c Catalytic site
d Allosteric site
Also appeared in
152

Which of the following enzymes does NOT need a co-factor?

Guinness World Records (General Knowledge Focus) PYQ
a Hexokinase
b Pepsin
c Alcohol Dehydrogenase
d Carbonic anhydrase
Also appeared in
153

If another molecule, having a shape very similar to the enzyme's substrate, binds to its active site, it would then ______ the enzyme's function:

Guinness World Records (General Knowledge Focus) PYQ
a Fasten
b Inhibit
c Reverse
d Decrease
Also appeared in
154

Myofibrils within the muscle fibres contain thick and thin filaments made up of ______ and ______ respectively:

Guinness World Records (General Knowledge Focus) PYQ
a Myosin and Actin
b Globulin and Albumin
c Fibrin and Fibrinogen
d Troponin and Tropomyosin
Also appeared in
155

Vertebrae of the neck are called:

Guinness World Records (General Knowledge Focus) PYQ
a Coccygeal vertebrae
b Cervical vertebrae
c Sacral vertebrae
d Lumbar vertebrae
Also appeared in
156

Which vertebrae together are called pelvic vertebrae?

Guinness World Records (General Knowledge Focus) PYQ
a Sacral and lumber
b Coccygeal and lumber
c Sacral and coccygeal
d Sacral and thoracic
Also appeared in
157

The correct option about spinal nerves is:

Most Repeated GK MCQs from Past Papers PYQ
a 33 pairs
b Mostly mixed nerves
c Dorsal root contains sensory neurons
d Ventral root contains motor neurons
Also appeared in
158

Which one of the following is neurotransmitter?

Guinness World Records (General Knowledge Focus) PYQ
a Hypamine
b Hydrochloric acid
c Sodium ions
d Calcium ions
Also appeared in
159

Which hormone is chemically a steroid?

Guinness World Records (General Knowledge Focus) PYQ
a ATH
b Thyroxin
c Cortisone
d Insulin
Also appeared in
160

Which hormone is secreted by variety of cells all over the body?

Guinness World Records (General Knowledge Focus) PYQ
a Prostaglandin
b Seccalin
c Endorphin
d Erythropoietin
Also appeared in
161

Which brain portion is responsible for controlling body coordination?

United Nations Office for the Coordination of Humanitarian Affairs (OCHA) PYQ
a Medulla
b Amygdala
c Cerebellum
d Pons
Also appeared in
162

The estrogen hormone secretion during the oogenesis is stimulated by:

Guinness World Records (General Knowledge Focus) PYQ
a LH hormone
b Inhibition hormone
c FSH hormone
d Testosterone hormone
Also appeared in
163

In human males, inhibin hormone is produced by:

United Nations Human Settlements Programme (UN-Habitat) PYQ
a Leydig cells
b Herisen's node cells
c Sertoli cells
d Interstitial cells
Also appeared in
164

Which function is NOT directly performed by ovaries?

Guinness World Records (General Knowledge Focus) PYQ
a Progesterone production
b Estrogen production
c Ovulation
d HCG production
Also appeared in
165

A person having an extra copy of 21st chromosome in his cells is affected by:

Guinness World Records (General Knowledge Focus) PYQ
a Down's syndrome
b Klinefelter's syndrome
c Turner's syndrome
d Cancer
Also appeared in
166

A change in the nucleotide sequence of a gene, which may then result in an altered polypeptide, is called a ______:

United Nations Framework Convention on Climate Change (UNFCCC) PYQ
a Conservation
b Diversity
c Mutation
d Niche
Also appeared in
167

Erythroblastosis foetalis occurs when mother is Rh -ve and father is:

Guinness World Records (General Knowledge Focus) PYQ
a Also Rh -ve
b Rh +ve
c Hemophiliac
d Color blind
Also appeared in
168

Which of the following traits is transmitted directly from an affected father to only his son?

Guinness World Records (General Knowledge Focus) PYQ
a Autosomal
b X-linked
c Y-linked
d X-Y linked
Also appeared in
169

In drosophila, which of the following genic balance is required to produce fertile female?

Guinness World Records (General Knowledge Focus) PYQ
a XXY
b XO
c XY
d XYY
Also appeared in
170

Within the chromosomes, each chromatid contains ______ DNA molecule:

Guinness World Records (General Knowledge Focus) PYQ
a One
b Two
c Three
d Half
Also appeared in
171

Modification in the organization of the basic pentadactyl limb structure found in vertebrates provides good evidence for the principle of:

Basic World Statistics PYQ
a Adaptive radiation
b Convergent evolution
c Genetic drift
d Inheritance of acquired characters
Also appeared in
172

Which one of the following is a genetic disorder in which abnormally thick mucus is produced in the lungs and other parts of the body?

Guinness World Records (General Knowledge Focus) PYQ
a Lung cancer
b Chronic bronchitis
c Cystic fibrosis
d Emphysema
Also appeared in
173

Oxygen released into the atmosphere comes from:

Weather, Atmosphere and Temperature PYQ
a CO₂
b H₂O
c C₆H₁₂O₆
d CO₂ and H₂O
Also appeared in
174

End product of glycolysis in yeast is:

East African Community (EAC) PYQ
a Ethanol and Carbon dioxide
b Lactate
c Acetyl Co.A
d Pyruvate
Also appeared in
175

First infectious disease against which effective method of prevention developed was a ______:

Famous Seas PYQ
a Bacterial disease
b Viral disease
c Protozoan disease
d Viroid disease
Also appeared in
176

_____ infection is caused by a viroid :

Famous Seas PYQ
a Hepatitis A
b Hepatitis D
c Mad Cow disease
d Mysterious brain infection
Also appeared in
177

Numerous opportunistic diseases might attack a person suffering from which of the following diseases?

Famous Seas PYQ
a Measles
b Influenza
c Hepatitis A
d AIDS
Also appeared in
178

A combination of alpha interferon and ribavirin is used for the treatment of hepatitis:

Guinness World Records (General Knowledge Focus) PYQ
a B
b A
c D
d C
Also appeared in
179

Cysts are not resistant to ______ but spores are :

Guinness World Records (General Knowledge Focus) PYQ
a Light
b Desiccation
c pH
d Heat
Also appeared in
180

In which phase of bacterial growth, they divide at exponential rate?

Guinness World Records (General Knowledge Focus) PYQ
a Lag phase
b Log phase
c Stationary phase
d Decline phase
Also appeared in
181

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

Guinness World Records (General Knowledge Focus) PYQ
a Blazen
b Dry heat
c Filtration
d Radiation
Also appeared in
182

How does chemosynthesis differ from photosynthesis?

International Atomic Energy Agency (IAEA) PYQ
a Sources of energy
b Production of organic compounds
c Reduction of CO₂
d Carried out by bacteria
Also appeared in
183

Which one is different with respect to its modes of locomotion?

Guinness World Records (General Knowledge Focus) PYQ
a Amoeba
b Paramecium
c Forams
d Radiolarians
Also appeared in
184

Aspergillosis is a fungal infection and occurs only in ______:

Guinness World Records (General Knowledge Focus) PYQ
a Male
b Female
c AIDS patient
d Athletes
Also appeared in
185

Select a sessile zooflagellate:

Guinness World Records (General Knowledge Focus) PYQ
a Trichenympha
b Trypanosoma
c Choanoflagellate
d Euglena
Also appeared in
186

Many ______ expel large amount of water by special structures called contractile vacuoles:

Earth’s Structure and Geological Features PYQ
a Protozoa
b Porifera
c Echinoderm
d Fish
Also appeared in
187

Chlorophyta are considered to be closest to plants but do not resemble plants in having:

Multi-Polar World PYQ
a Starch as stored food
b Chlorophyll a and b
c Cellulose cell wall
d Multicellular sex organs
Also appeared in
188

Asexual spores of fungi are called :

World Leaders in News PYQ
a Conidiospores
b Zygospores
c Ascospores
d Basidiospores
Also appeared in
189

Which characteristic led to the evolution of seed?

United Nations Industrial Development Organization (UNIDO) PYQ
a Development of heterospory
b Heterogamous condition
c Embryo formation
d Protection of reproductive cells
Also appeared in
190

The term which is not related to the process of evolution of leaf:

Guinness World Records (General Knowledge Focus) PYQ
a Overtopping
b Planation
c Heterospory
d Fusion / webbing
Also appeared in
191

The most successful land adapting plants are:

Most Repeated GK MCQs from Past Papers PYQ
a Mosses
b Ferns
c Gymnosperms
d Angiosperms
Also appeared in
192

Excretory system consisting of protonephridial tubes are present in phylum:

Central American Integration System (SICA) PYQ
a Porifera
b Annelida
c Platyhelminthes
d Cnidaria
Also appeared in

About This Paper

This resolved pre-test includes authentic questions curated from recruitment syllabus parameters. By selecting the Attempt Online mode, you will trigger a simulated interface featuring keyboard shortcut mapping, sectional division, flagging panels, and persistence metrics.

Solved past papers are useful not only for checking scores but for reviewing explanation guidelines for tricky concepts. Download the PDF files for offline revisions.

Community Activity
0
attempts this month

Topic Weightage

Guinness World Records (General Knowledge Focus) 55.2%
International Atomic Energy Agency (IAEA) 5.7%
Financial Action Task Force (FATF) 4.2%
Most Repeated GK MCQs from Past Papers 4.2%
Time Zones and Latitude–Longitude 3.6%
Weather, Atmosphere and Temperature 3.6%
United Nations High Commissioner for Refugees (UNHCR) 2.1%
Area, Population and Official Languages 2.1%
United Nations Human Settlements Programme (UN-Habitat) 2.1%
Earth’s Structure and Geological Features 2.1%
Famous Seas 2.1%
Group of Seven (G7) 1.6%
Food and Agriculture Organization (FAO) 1%
World Leaders in News 1%
United Nations Framework Convention on Climate Change (UNFCCC) 1%
Multi-Polar World 1%
Basic World Statistics 1%
Commonwealth of Independent States (CIS) 0.5%
Industrial Revolution 0.5%
International Fund for Agricultural Development (IFAD) 0.5%
United States–Mexico–Canada Agreement (USMCA) 0.5%
Important Lines and Boundaries 0.5%
Highest and Lowest Points 0.5%
United Nations Environment Programme (UNEP) 0.5%
Ocean Currents and Tides 0.5%
United Nations Office for the Coordination of Humanitarian Affairs (OCHA) 0.5%
East African Community (EAC) 0.5%
United Nations Industrial Development Organization (UNIDO) 0.5%
Central American Integration System (SICA) 0.5%