Solved Past Paper
NUMS MDCAT Past Paper 2019
Practice and review NUMS MDCAT Past Paper 2019 with verified questions, correct answer keys, and detailed solutions.
Total Questions
88 Qs
Duration Limit
150 Min
Negative Mark
0.00
Attempt Count
0
Solved Questions & Explanations
88 questions with verified answers and explanations
1
The boiling point of carboxylic acids is relatively high due to formation of ______ structure by hydrogen bonding.
Earth’s Structure and Geological Features
PYQ
a
Dimeric
b
Cerametric
c
Hexametric
d
Octameric
Also appeared in
2
When carboxylic acids reacts with alkali metals, they liberate:
Guinness World Records (General Knowledge Focus)
PYQ
a
Hydrogen
b
CO₂
c
Water
d
Oxygen
Also appeared in
3
In a polypeptide chain of protein, amino acids are linked by carboxylic group of one amino acid to amino group of next amino acid, bond is known as:
Group of Seven (G7)
PYQ
a
Ionic
b
Hydrogen
c
Peptide
d
Glycosidic
Also appeared in
4
Which of the following is NOT the observation of theory of natural selection?
Natural Resources
PYQ
a
Struggle for survival
b
Over production of individuals
c
Action of natural selection
d
Survival is struggle for existence is random
Also appeared in
5
According to p²+2pq+q²=1 relationship, if 23% of individuals show the recessive trait, what will be the frequency of dominant allele in the population?
Area, Population and Official Languages
PYQ
a
23
b
77
c
0.52
d
0.77
Also appeared in
6
The organs which are functionally alike but have different internal structure are known as:
Earth’s Structure and Geological Features
PYQ
a
Homologous organs
b
Metrologous organs
c
Analogous organs
d
Vestigial organs
Also appeared in
7
According to p²+2pq+q²=1 relationship of AA genotype is p, p=0.6 then what will be the value of Aa in population?
Area, Population and Official Languages
PYQ
a
0.16
b
0.36
c
0.48
d
0.1152
Also appeared in
8
Which part of the heart is known as aorta to supply oxygenated blood to almost whole body?
World Leaders in News
PYQ
a
B
b
F
c
G
d
D
Also appeared in
9
Name the part of lymphatic system marked as 'X'?
Central American Integration System (SICA)
PYQ
a
Lymph nodes
b
Spleen
c
Thymus
d
Lymph duct
Also appeared in
10
Which one of the following is related to defense system of human body?
United Nations Human Settlements Programme (UN-Habitat)
PYQ
a
Red blood cells
b
White blood cells
c
Platelets
d
Plasma
Also appeared in
11
Protein layers which are NOT continuous on the surface make ______ percent of total in plasma membrane.
Guinness World Records (General Knowledge Focus)
PYQ
a
50-60
b
60-70
c
60-80
d
70-80
Also appeared in
12
Which part of the heart receives deoxygenated blood from whole body?
World Leaders in News
PYQ
a
Right Auricle
b
Left Auricle
c
Right Ventricle
d
Left Ventricle
Also appeared in
13
Albumins constitute ______% of plasma proteins that help in maintaining the colloid osmotic pressure of blood.
Guinness World Records (General Knowledge Focus)
PYQ
a
20
b
25
c
50
d
75
Also appeared in
14
Chromosomes present in the nucleus have ______ function in the cell.
Food and Agriculture Organization (FAO)
PYQ
a
Hereditary
b
Protein formation
c
Power house
d
Food synthesis
Also appeared in
15
Which of the following are related to the synthesis of excretory proteins by the cell?
Guinness World Records (General Knowledge Focus)
PYQ
a
Cell membranes
b
Rough Endoplasmic Reticulum
c
Centrioles
d
Smooth Endoplasmic Reticulum
Also appeared in
16
Which of these alphabets indicate presence of power house of the cell?
Guinness World Records (General Knowledge Focus)
PYQ
a
A
b
B
c
C
d
D
Also appeared in
17
The power of a microscope by which we can distinguish two closely located points is termed as:
World Leaders in News
PYQ
a
Resolution
b
Fixation
c
Electrophoresis
d
Ultracentrifugation
Also appeared in
18
Due to the deficiency of ______ hormone, synthesis of glycogen gets depressed, glucose level increases in blood and leads to a condition called Diabetes mellitus.
Guinness World Records (General Knowledge Focus)
PYQ
a
Oxytocin
b
Parathormone
c
Glucagon
d
Insulin
Also appeared in
19
During active membrane potential, ______ conducts the impulse in the form of nerve impulse.
Guinness World Records (General Knowledge Focus)
PYQ
a
Axon
b
Soma
c
Neuron
d
Cytoplasm
Also appeared in
20
The most important function of ______ hormone is cell division in apical meristem of young plants.
Most Repeated GK MCQs from Past Papers
PYQ
a
Gibberellins
b
Ethylene
c
Cytokinins
d
Abscisic acid
Also appeared in
21
Which of the following is the main transmitter for synapse that lies outside the central nervous system?
Central American Integration System (SICA)
PYQ
a
Adrenaline
b
Nor-epinephrine
c
Serotonin
d
Acetylcholine
Also appeared in
22
Which of the following muscles that make the walls of heart and are NOT present anywhere else in the body?
Guinness World Records (General Knowledge Focus)
PYQ
a
Smooth muscles
b
Cardiac muscles
c
Skeletal muscles
d
Voluntary muscles
Also appeared in
23
When the muscle is required to contract, calcium ion binds with ______ molecule and causes them to move slightly.
Guinness World Records (General Knowledge Focus)
PYQ
a
Actin
b
Myosin
c
Troponin
d
Tropomyosin
Also appeared in
24
Which of the following are present in the internal organs like stomach, intestine etc.?
Guinness World Records (General Knowledge Focus)
PYQ
a
A
b
B
c
C
d
Both A and B
Also appeared in
25
Sarcoplasmic reticulum is like endoplasmic reticulum but devoid of ______ and exhibit a highly specialized ______ pattern.
United Nations High Commissioner for Refugees (UNHCR)
PYQ
a
Ribosome, repeating
b
Mitochondrion, repeating
c
Ribosome, simplified
d
Mitochondrion, simplified
Also appeared in
26
If we cross round yellow seeded plant with green wrinkled seeded plants, what will be phenotypic ratio at F2 generation?
International Federation of Red Cross and Red Crescent Societies (IFRC)
PYQ
a
9:3:3:1
b
9:4:3:2
c
3:9:3:1
d
8:3:3:2
Also appeared in
27
If we cross round (RR) seeded plants with wrinkled (rr) seed plant, and get F1 round seeded. In F2 generation, what will be genotypic ration of plants by Punnet square method?
International Federation of Red Cross and Red Crescent Societies (IFRC)
PYQ
a
3:1
b
1:1
c
1:1:2
d
1:2:1
Also appeared in
28
A continuously varying trait is encoded by alleles of two or more different genes located at different loci, all influencing the same trait from additive way is known as ______.
Multi-Polar World
PYQ
a
Poly traits
b
Polygenes
c
Multiple alleles
d
Different genes
Also appeared in
29
To check the homozygosity or heterozygosity of apparently dominant trait, we do the test cross by crossing it with:
International Federation of Red Cross and Red Crescent Societies (IFRC)
PYQ
a
Any Document trait
b
Homozygous dominant trait
c
Homozygous Recessive trait
d
Heterozygous dominant trait
Also appeared in
30
The total number of genes present in a particular population, at a particular time is equal:
Area, Population and Official Languages
PYQ
a
Gene
b
Genome
c
Genotype
d
Gene Pool
Also appeared in
31
Phenotype for both TT and Tt is tall, so the allele T is known as:
Guinness World Records (General Knowledge Focus)
PYQ
a
Dominant
b
Recessive
c
Homozygous
d
Heterozygous
Also appeared in
32
Which of the following is a physical relationship of genes present on same chromosomes?
International Federation of Red Cross and Red Crescent Societies (IFRC)
PYQ
a
Epistasis
b
Gene Linkage
c
Crossing over
d
Pleiotropy
Also appeared in
33
Which of the following X-linked dominant trait that is more common in human females than in human males?
United Nations Human Settlements Programme (UN-Habitat)
PYQ
a
Sickle cell Anemia
b
Hemophilia
c
Color Blindness
d
Hypophosphatemic rickets
Also appeared in
34
Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:
Guinness World Records (General Knowledge Focus)
PYQ
a
Estrogen
b
Estrogen and progesterone
c
Prolactin
d
Oxytocin
Also appeared in
35
Follicle-stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:
Guinness World Records (General Knowledge Focus)
PYQ
a
Estrogen
b
Progesterone
c
Oxytocin
d
Prolactin
Also appeared in
36
The cell A, in the given figure is:
Guinness World Records (General Knowledge Focus)
PYQ
a
Gametophyte
b
Oogonium
c
Spermatocyte
d
Spermatid
Also appeared in
37
Menstruation is the shedding of the lining of the uterus (endometrium) accompanied by:
Guinness World Records (General Knowledge Focus)
PYQ
a
Shivering
b
Fever
c
Bleeding
d
Vomiting
Also appeared in
38
Which of the following is the constituent of RNA molecule?
World Leaders in News
PYQ
a
Fatty acids
b
Ascorbic acid
c
Deoxyribonucleic acid
d
Ribonucleic acid
Also appeared in
39
Which of the following are instant source of energy in living organisms, like glucose? Their general formula is:
International Atomic Energy Agency (IAEA)
PYQ
a
Cₓ(H₂O)ᵧ
b
C₆(H₁)O₆
c
Cₓ(H₂O)ₓ
d
Cₓ(H₂O₂)ᵧ
Also appeared in
40
Which of the following are the most prominent part of cell membranes in living organisms?
Most Repeated GK MCQs from Past Papers
PYQ
a
Terpenoids
b
Waxes
c
Phospholipids
d
Acylglycerols
Also appeared in
41
The structure given below is the constituent part of:
Earth’s Structure and Geological Features
PYQ
a
Lipids
b
Carbohydrates
c
Vitamins
d
Proteins
Also appeared in
42
In pressure flow theory, when water moves out of sieve tube cells by osmosis, it lowers the ______.
Guinness World Records (General Knowledge Focus)
PYQ
a
Solute Potential
b
Hydrostatic Pressure
c
Source Concentration
d
Water Potential
Also appeared in
43
Evaporation of water from the aerial parts of the plants, especially through the stomata of the leave creates a force which is cause of water movement in higher plant is ______.
United Nations High Commissioner for Refugees (UNHCR)
PYQ
a
Root pressure
b
Leave pressure
c
Transpiration
d
Transpiration Pull
Also appeared in
44
Which of the following reduces the rate of transpiration by adaptations in xerophytes?
Area, Population and Official Languages
PYQ
a
Large surface area of leaves
b
Increase number of stomata
c
Thick waxy cuticle
d
Excessive loss of water
Also appeared in
45
Which of the following types of transpiration account for 5-7% of total transpiration that take place in plants?
Guinness World Records (General Knowledge Focus)
PYQ
a
Cuticular
b
Lenticular
c
Stomatal
d
Leaves
Also appeared in
46
Vocal cords, which help in voice production are two thin edged fibrous bands, present in:
World Leaders in News
PYQ
a
Glottis
b
Bronchi
c
Larynx
d
Trachea
Also appeared in
47
The causing agent of the tuberculosis that grows very well in poor living conditions and malnutrition is:
Guinness World Records (General Knowledge Focus)
PYQ
a
Spirobacterium
b
Mycobacterium
c
Pseudomonas
d
Staphylococcus
Also appeared in
48
The most important cause of many of the respiratory disorders is:
Most Repeated GK MCQs from Past Papers
PYQ
a
Bacterial infection
b
Pollution
c
Smoking
d
Radiations
Also appeared in
49
Hemoglobin can absorb maximum oxygen at sea level, which is ______ ml/100ml of blood.
Guinness World Records (General Knowledge Focus)
PYQ
a
15
b
19
c
19.6
d
20
Also appeared in
50
Which of the following part of urinary system temporarily stores urine, and releases it when filled?
Central American Integration System (SICA)
PYQ
a
I
b
II
c
III
d
IV
Also appeared in
51
Which one of the following is hypertonic solution to cells present in it?
Guinness World Records (General Knowledge Focus)
PYQ
a
A
b
B
c
C
d
Both A and B
Also appeared in
52
Humans maintain their body temperature within a narrow limit due to their ______ characteristics.
Weather, Atmosphere and Temperature
PYQ
a
Ectothermic
b
Endothermic
c
Heterothermic
d
Hypothermic
Also appeared in
53
Human body maintains all of its cell ______ to internal body fluid.
United Nations Human Settlements Programme (UN-Habitat)
PYQ
a
Isotonic
b
Hypotonic
c
Hypertonic
d
Hyposmotic
Also appeared in
54
Which of the following cells recognize antigens and form plasma cell clone?
Guinness World Records (General Knowledge Focus)
PYQ
a
A cell
b
B cells
c
T cells
d
Z cells
Also appeared in
55
What stage of mitosis is shown in the given below structure?
Earth’s Structure and Geological Features
PYQ
a
Prophase
b
Metaphase
c
Interphase
d
Anaphase
Also appeared in
56
In microtubules, the spindle fibers in mitotic apparatus are made up of:
Guinness World Records (General Knowledge Focus)
PYQ
a
Actin proteins
b
Myosin proteins
c
Tubulin proteins
d
Actin and myosin proteins
Also appeared in
57
In case of human cell, average exit cycle is completed in about hours.
United Nations Human Settlements Programme (UN-Habitat)
PYQ
a
02
b
06
c
12
d
24
Also appeared in
58
The binding energy per nucleon of deuteron (²₁H) and helium nucleus (⁴₂He) are 1.1 MeV and 7 MeV respectively. If two deuterons merge to form a single helium nucleus, then energy released will be:
International Atomic Energy Agency (IAEA)
PYQ
a
04.8 MeV
b
13.6 MeV
c
23.6 MeV
d
26.2 MeV
Also appeared in
59
A bullet of mass 20 g leaves the gun with a velocity of 200 m/s. If the mass of gun is 2 kg then the speed of recoil of the gun is:
Guinness World Records (General Knowledge Focus)
PYQ
a
2 m/s
b
20 m/s
c
200 m/s
d
100 m/s
Also appeared in
60
In a coil, when current change from 10A to 4A in 1s, an induced emf of 1.2 V is induced across the coil. The self-inductance of the coil is:
International Federation of Red Cross and Red Crescent Societies (IFRC)
PYQ
a
2 H
b
0.2 H
c
0.002 H
d
4 H
Also appeared in
61
If the wave length of K X-ray from Cu is ≈ 1.337 × 10⁻¹⁰ m, then the energy difference between two levels from which transition results will be:
International Atomic Energy Agency (IAEA)
PYQ
a
9.03 keV
b
9.90 keV
c
8.03 keV
d
10.0 keV
Also appeared in
62
An alternating voltage source is connected to a resistor R, and a capacitor C, then which of the following statement about phase between voltage V and current I is correct?
Guinness World Records (General Knowledge Focus)
PYQ
a
In Resistance I leads V by 90°, In Capacitor I leads V by 90°
b
In Resistance I lags V by 90°, In Capacitor I leads V by 90°
c
In Resistance I and V are in phase, In Capacitor I leads V by 90°
d
In Resistance I and V are in phase, In Capacitor I lags V by 90°
Also appeared in
63
A D.C power supply is connected in series to a resistor R = 3Ω and a capacitor of capacitance C = 1F. If emf of battery is 9V, then values of Maximum charge Q₀ on each plate of capacitor and time t required to obtain this maximum charge Q₀ will be:
Time Zones and Latitude–Longitude
PYQ
a
Q₀ = 1C and t = 3s
b
Q₀ = 3C and t = 2s
c
Q₀ = 9C and t = 3s
d
Q₀ = 3C and t = 1s
Also appeared in
64
Radiation emitted from a certain star has maximum intensity near the wavelength λ = 580 nm. Assuming star as a black body, then temperature of its surface is:
Weather, Atmosphere and Temperature
PYQ
a
5000K
b
6000K
c
6500K
d
7000K
Also appeared in
65
A capacitor and an inductor are connected to A.C supply. If we double the frequency of A.C supply then the effect on reactance of capacitor XC and reactance of inductor XL will be:
Guinness World Records (General Knowledge Focus)
PYQ
a
Both XC and XL are doubled
b
Both XC and XL are halved
c
XC is doubled and XL reduces to half
d
XL is doubled and XC reduces to half
Also appeared in
66
A body of mass 2kg executes a SHM under a force of F = (1 N/m³) x. If its velocity at mean position is 100 m/s, the value of its amplitude is:
Financial Action Task Force (FATF)
PYQ
a
100m
b
10m
c
140m
d
500m
Also appeared in
67
Unit of magnetic flux is weber (WB). In terms of S.I. base units, weber can be written as:
Guinness World Records (General Knowledge Focus)
PYQ
a
NmA
b
N⁻¹m⁻¹
c
NmA⁻¹
d
NmA²
Also appeared in
68
A block of mass 20 g is thrown vertically upward with a speed of 10 m/s. The work done by the force of gravity during its upward motion is:
Financial Action Task Force (FATF)
PYQ
a
1000 J
b
-1000 J
c
1J
d
-1J
Also appeared in
69
The resistance of a wire is 6 Ω at 50°C and 8 Ω at 100°C. The resistance of wire at 0°C will be:
Guinness World Records (General Knowledge Focus)
PYQ
a
1 Ω
b
2 Ω
c
3 Ω
d
4 Ω
Also appeared in
70
An electric bulb is marked 200 W, 220V. If the same bulb is connected to 110 V-supply line, the power consumed by it is:
Guinness World Records (General Knowledge Focus)
PYQ
a
25 W
b
50 W
c
75 W
d
100 W
Also appeared in
71
If the magnitude of the sum of two vectors is equal to the magnitude of the difference between two vectors, then what will be the angle between these vectors?
Guinness World Records (General Knowledge Focus)
PYQ
a
15°
b
30°
c
45°
d
90°
Also appeared in
72
A cathode ray oscilloscope is displaying an AC signal. If one wave is complete on a 2 cm along X-axis and time-base setting is 10 ms/cm, then frequency of AC signal will be:
World Leaders in News
PYQ
a
20 Hz
b
50 Hz
c
100 Hz
d
200 Hz
Also appeared in
73
Two bodies are projected with angle of a and (90 - a) to the horizontal with the same speed. The ratio between their time of flight is:
Time Zones and Latitude–Longitude
PYQ
a
Sin a : 1
b
Sin a : cos a
c
cos a : Sin a
d
Sin a : tan a
Also appeared in
74
A particle having mass m and charge q, moves in a circular path in a magnetic field of strength B. If the radius of the circular path is r, the time required by this particle to complete one revolution is:
Time Zones and Latitude–Longitude
PYQ
a
2πm/qB
b
k × n/r × r
c
qrB/m
d
2πm/rB
Also appeared in
75
If M and m represent the mass of Earth and mass of a satellite respectively; then the orbital speed v of satellite in a circular orbit of radius r around earth will be:
Guinness World Records (General Knowledge Focus)
PYQ
a
V = GM/r
b
V = √(GM/r)
c
V = √(r/GM)
d
V = √(2GM/r)
Also appeared in
76
A 2μF capacitor is connected to 10V dc supply. If 'Q' represents the charge on each plate and 'E' the energy stored on each plate, which of the following represents the values of Q and E?
International Atomic Energy Agency (IAEA)
PYQ
a
Q = 20μC and E = 50μeV
b
Q = 10μC and E = 100 eV
c
Q = 10μC and E = 500 eV
d
Q = 20μC and E = 100 μJ
Also appeared in
77
Two strings A and B of a sitar produce 5 beats per second. When a tension in string B is slightly increased, 2 beats per second produced. If the frequency of string A is 400 Hz, then real frequency of string B was:
Guinness World Records (General Knowledge Focus)
PYQ
a
285 Hz
b
302 Hz
c
395 Hz
d
401 Hz
Also appeared in
78
If N, m, v and c represents number of molecules, mass of a molecule, volume of cubical container and speed of a molecule respectively. Then by using the method of dimensions, check which of the following expressions represents the pressure (p) of a gas?
Guinness World Records (General Knowledge Focus)
PYQ
a
P = (1/3)(Nm/v²)
b
P = (1/3)(v²/v²)
c
P = (1/3)(Nm/v)
d
P = (1/3)(Nm²/v)
Also appeared in
79
Moment of inertia of a thin rod of mass m, length l about a line passing through its center is:
Guinness World Records (General Knowledge Focus)
PYQ
a
ml²
b
(1/2)ml²
c
(1/3)ml²
d
(1/12)ml²
Also appeared in
80
Using the concept of significant figures, the sum and product of three numbers 4.342, 3.02 and 2.0 were calculated. Which of the following choice is most accurate?
World Leaders in News
PYQ
a
Product = 26.2 & Sum = 9.3
b
Product = 26.23 & Sum = 9.36
c
Product = 26.226 & Sum = 9.362
d
Product = 26.22568 & Sum = 9.362
Also appeared in
81
The orbit of electron moving at rate of 1.6 × 10⁶ m/s in uniform magnetic field of 1.0 × 10⁻³ T. The radius of orbit of electron is: (take mₑ = 9.1 × 10⁻³¹ kg; e = 1.6 × 10⁻¹⁹ C.)
Guinness World Records (General Knowledge Focus)
PYQ
a
9.1 × 10⁻³ m
b
9.1 × 10⁻² m
c
1.9 × 10⁻³ m
d
1.9 × 10⁻² m
Also appeared in
82
The moment of inertia of a solid sphere of mass 'm' having radius 'r' about a line passing through its center is:
Guinness World Records (General Knowledge Focus)
PYQ
a
5/2 mr^2
b
2/5 mr^2
c
1/2 mr^2
d
1/3 mr^2
Also appeared in
83
The total energy of a block, executing simple harmonic motion is:
International Atomic Energy Agency (IAEA)
PYQ
a
Independent of 'x'
b
Proportional to 'x'
c
Proportional to 'x⁻¹'
d
Proportional to 'x⁻²'
Also appeared in
84
When an Operational amplifier is used as Inverting amplifier, the angle between its output and input signal is:
Organisation for Economic Co-operation and Development (OECD)
PYQ
a
30°
b
45°
c
90°
d
180°
Also appeared in
85
An air craft of wingspan 50m flies horizontally at an area where the vertical component of the Earth's magnetic field is 2.0 × 10⁻⁴ T. In order to produce an emf of 1 volt between the aircraft's wingtips, its speed should be:
Area, Population and Official Languages
PYQ
a
100 m/s
b
1000 m/s
c
15000 m/s
d
250000 m/s
Also appeared in
86
An astronomical telescope has Magnifying power 5. If the focal length of eyepiece is x cm then what is the focal length of objective?
World Leaders in News
PYQ
a
1m
b
15cm
c
25cm
d
50cm
Also appeared in
87
The dimensions of angular velocity (ω) is:
Guinness World Records (General Knowledge Focus)
PYQ
a
MLT⁻¹
b
MLT⁻²
c
M⁰L⁰T⁻¹
d
M⁰L⁰T⁻²
Also appeared in
88
If 0.3i + 0.5j + dk represents a unit vector, the value of 'd' is:
Guinness World Records (General Knowledge Focus)
PYQ
a
√(0.64)
b
√(0.66)
c
0.2
d
√(0.1)
Also appeared in
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Topic Weightage
Guinness World Records (General Knowledge Focus)
42%
World Leaders in News
9.1%
Area, Population and Official Languages
5.7%
International Federation of Red Cross and Red Crescent Societies (IFRC)
5.7%
International Atomic Energy Agency (IAEA)
5.7%
Earth’s Structure and Geological Features
4.5%
United Nations Human Settlements Programme (UN-Habitat)
4.5%
Central American Integration System (SICA)
3.4%
Most Repeated GK MCQs from Past Papers
3.4%
Time Zones and Latitude–Longitude
3.4%
United Nations High Commissioner for Refugees (UNHCR)
2.3%
Weather, Atmosphere and Temperature
2.3%
Financial Action Task Force (FATF)
2.3%
Group of Seven (G7)
1.1%
Natural Resources
1.1%
Food and Agriculture Organization (FAO)
1.1%
Multi-Polar World
1.1%
Organisation for Economic Co-operation and Development (OECD)
1.1%