Set-1 Flashcards
1
Q
Which is the outermost planet in the solar system?
11
A. Mercury
B. Pluto
C. Neptune
D. Uranus
A
C. Neptune
2
Q
Severe deficiency of Vitamin D results in __________.
2
A. scurvy
B. rickets
C. night blindness
D. None of these
A
B. rickets
3
Q
The SI unit of charge is __________?
0
A. Ampere
B. Coulomb
C. Ohm
D. Volt
A
B. Coulomb
4
Q
Long-sight defect could be corrected by using __________ lens?
8
A. concave
B. Convex
C. diverging
D. none of these
A
B. Convex
5
Q
Deficiency of Vitamin-A results in __________?
1
A. Night blindness
B. rickets
C. scurvy
D. hair fall
A
A. Night blindness
6
Q
Short-sight defect could be corrected by a _____________ lens?
A. concave lens
B. convex lens
C. converging lens
D. none of these
A
A. concave lens
7
Q
For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
0
A. also decrease
B. increase
C. remains constant
D. none of these
A
B. increase
8
Q
The lifespan of Red Blood Cells is __________ days?
1
A. 60
B. 120
C. 180
D. 240
A
B. 120
9
Q
The density of water is __________?
1
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these
A
A. 1 g/cm3
A common unit of measurement for water’s density is gram per milliliter (1 g/ml) or 1 gram per cubic centimeter (1 g/cm3). Actually, the exact density of water is not really 1 g/ml, but rather a bit less (very, very little less), at 0.9998395 g/ml at 4.0° Celsius (39.2° Fahrenheit).
10
Q
Radioactivity was discovered by __________?
2
A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel
A
D. Bacquerel
March 1, 1896: Henri Becquerel Discovers Radioactivity. In one of the most well-known accidental discoveries in the history of physics, on an overcast day in March 1896, French physicist Henri Becquerel opened a drawer and discovered spontaneous radioactivity.
11
Q
A device which converts chemical energy into electrical energy is called __________?
6
A. motor
B. generator
C. moving-coil meter
D. battery
A
D. battery
12
Q
The Sun is a __________?
0
A. Star
B. Planet
C. Asteroid
D. Meteor
A
A. Star
13
Q
The gas used in a refrigerator to cool water is___________?
1
A. Nitrogen
B. Carbon dioxide
C. Methane
D. Tetrafluoroethane
A
D. Tetrafluoroethane
14
Q
The average adult has a blood volume of about __________ liters.
3
A. 4
B. 5
C. 6
D. 7
A
B. 5
15
Q
The most abundant element in the universe is __________.
17
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
A
B. Hydrogen
16
Q
The most abundant element in the Earth’s crust is __________?
3
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
A
A. Oxygen
Oxygen is by far the most abundant element in the Earth’s crust, making up 46% of mass—coming up just short of half of the total. Oxygen is a highly reactive element that combines with other elements, forming oxides
17
Q
Each day human body breathe in __________ liters of air.
16
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
A
B. 10,000 to 15,000
18
Q
Deficiency of Vitamin-D results in __________?
0
A. night blindness
B. rickets
C. scurvy
D. hair fall
A
B. rickets
19
Q
The SI unit of “pressure” is _________.
0
A. pascal
B. joule
C. tesla
D. henry
A
A. pascal
20
Q
The most densest substance on the Earth is __________.
0
A. Platinum
B. Copper
C. Steel
D. Osmium
A
D. Osmium
21
Q
A camera uses a __________ to form an image.
3
A. convex lens
B. concave lens
C. condenser lens
D. none of these
A
A. convex lens
22
Q
Which from the following is NOT a conductor?
24
A. Aluminium
B. Gold
C. Graphite
D. All are conductors
A
D. All are conductors
23
Q
CNG stands for?
0
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas
A
D. Compressed Natural Gas
24
Q
Which from the following is true for “Sound”?
1
A. Sound cannot travel through a vacuum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids
A
A. Sound cannot travel through a vacuum
25
When white light is passed through a prism, it splits into __________ colours.
12
A. 5
B. 6
C. 7
D. 8
C. 7
26
1 nanometer = ?
0
A. 10-3 meter
B. 10-6 meter
C. 10-9 meter
D. 10-12 meter
C. 10-9 meter
27
Instrument used for measuring very high temperature is __________?
0
A. Pyroscope
B. Pyrometer
C. Seismograph
D. Xylometer
B. Pyrometer
28
Sound waves are _________ waves.
1
A. Transverse
B. Electromagnetic
C. Longitudinal
D. None of these
C. Longitudinal
29
The lifespan of White Blood Cells is __________ day(s)?
26
A. 1 – 5 days
B. 3 – 7 days
C. 4 – 8 days
D. 5 – 21 days
D. 5 – 21 days
The lifespan of white blood cells ranges from 13 to 20 days, after which time they are destroyed in the lymphatic system. When immature WBCs are first released from the bone marrow into the peripheral blood, they are called "bands" or "stabs." Leukocytes fight infection through a process known as phagocytosis.
30
The fluid part of blood is known as __________?
0
A. plasma
B. platelets
C. blood cells
D. None of these
A. plasma
The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets
31
During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
12
A. Salt
B. Chlorine
C. Carbon dioxide
D. Water
A. Salt
32
In a very low temperature which from the following will freeze at last?
0
A. River water
B. Canal water
C. Sea water
D. Water in a lake
C. Sea water
33
The nearest planet to the Earth is _________?
7
A. Venus
B. Mercury
C. Mars
D. Moon
A. Venus
34
The planet that moves round the Sun at the highest speed is_________?
9
A. Jupiter
B. Venus
C. Mars
D. Mercury
D. Mercury
But Mercury is the fastest planet, zipping around the Sun every 88 Earth days.
35
In general, Comets have __________ orbits
1
A. Elliptical
B. Highly elliptical
C. Circular
D. Parabolic
B. Highly elliptical
36
GPS is an abbreviation for?
0
A. Global Poles System
B. Global PolySiliconium Store
C. Global Positioning System
D. Global Position Structure
C. Global Positioning System
37
Oxidation is a chemical reaction involving the __________?
1
A. Gain of Electrons
B. Loss of Electrons
C. Gain of Protons
D. Loss of Protons
B. Loss of Electrons
38
At night, Plants intake __________ and release __________?
7
A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. None of theseCarbon monoxide – Oxygen
A. Oxygen – Carbon dioxide
39
Urine is produced in __________?
2
A. Kidneys
B. Lungs
C. Large intestine
D. Liver
A. Kidneys
40
The position of an element in the Periodic Table is determined by its __________ number?
5
A. Electron
B. Proton
C. Neutron
D. Positron
A. Electron
41
The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
1
A. 1 gram
B. 10 grams
C. 1 kg
D. 10 kg
C. 1 kg
42
The planet which is easily visible from the Earth is?
1
A. Mercury
B. Venus
C. Mars
D. Jupiter
B. Venus
After the Moon, Venus is the brightest natural object in the night sky. It is both the Earth's closest neighbor in our Solar System and the planet most similar to Earth in size, gravity, and composition.
43
The Great Spot is on the planet __________?
0
A. Saturn
B. Venus
C. Mars
D. Jupiter
D. Jupiter
Great Red Spot, a long-lived enormous storm system on the planet Jupiter and the most conspicuous feature of its visible cloud surface.
44
1 light year = ?
1
A. 9.5×106 km
B. 9.5×109 km
C. 9.5×1012 km
D. 9.5×1018 km
C. 9.5×1012 km
The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres or 9.46×1012 km or 9.46×1015 m.
45
The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
0
A. Mars
B. Saturn
C. Uranus
D. Jupiter
D. Jupiter
46
The planets visible to us without using a telescope are __________?
14
A. 3
B. 4
C. 5
D. 6
C. 5
Saturn is the sixth planet from the Sun, and the second largest, after Jupiter. It is one of the five planets visible from Earth using only the naked-eye (the others are Mercury, Venus, Mars and Jupiter).
Saturn
Mercury
venus
Mars
Jupiter
47
According to Big Bang Theory, the Universe began about __________ billion years ago.
1
A. 10 – 20
B. 20 – 30
C. 30 – 40
D. 40 – 50
A. 10 – 20
The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded. Most astronomers use the Big Bang theory to explain how the universe began. But what caused this explosion in the first place is still a mystery.
48
Biosensor is used to measure?
2
A. Blood glucose level
B. The body pH value
C. Amount of hemoglobin
D. Salinity in Urine
A. Blood glucose level
he medical world uses biosensors to detect a virus in the blood or to measure glucose levels in blood.
49
Einstein’s famous equation which states that mass and energy are interchangeable is?
0
A. E = mc2
B. E = cm2
C. M = ec2
D. M = ce2
A. E = mc2
50
The SI unit of electric current is?
0
A. Coloumb
B. Ampere
C. Volt
D. Watt
B. Ampere
51
What is Dry Ice?
0
A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen
B. Solid Carbon Dioxide
52
Digestion of food is completed in the __________?
0
A. small intestine
B. large intestine
C. stomach
D. Liver
A. small intestine
53
Carrot is good source of Vitamin _______?
0
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
A. Vitamin A
Carrots are second only to sweet potatoes as an excellent source of beta carotene (vitamin A). Vitamin A is needed for healthy skin, bones and teeth as well as to fight sickness. Carrots are a fair source of B vitamins, like niacin and B6, which help our bodies use energy from foods.
54
For proper formation of teeth, __________ is essential?
0
A. iodine
B. copper
C. fluorine
D. iron
C. fluorine
55
Deficiency of __________ causes loss of appetite and poor growth?
0
A. zinc
B. iodine
C. copper
D. iron
A. zinc
56
Meteorology is the study of?
1
A. Seasons
B. Atmosphere
C. Air and sounds
D. Winds and clouds
B. Atmosphere
57
The Carbon Dioxide in the atmosphere, by volume, is_______?
0
A. 0.039%
B. 3.9%
C. 13%
D. 30%
A. 0.039%
58
Diamond is an allotropic form of_______?
0
A. Carbon
B. Hydrogen
C. Nitrogen
D. Silicon
A. Carbon
59
The SI unit of Heat is________?
0
A. Watt
B. Volt
C. Joule
D. Newton
C. Joule
60
The good sources of Vitamin-A are?
0
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
A. green leafy vegetables
61
The good sources of Vitamin-B Complex are?
0
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
B. seeds
62
The good sources of Vitamin-C are________?
1
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
C. fresh vegetables and fruits
63
The good sources of iodine are_______?
0
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
D. sea foods
64
The gas, commonly known as “laughing gas”, is
0
A. Carbon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium Oxide
C. Nitrous Oxide
65
The source of oxygen in photosynthesis is
0
A. water
B. salts
C. minerals
D. glucose
A. water
66
The instrument used to measure wind speed is?
1
A. Anemometer
B. Barometer
C. Hydrometer
D. Hygrometer
A. Anemometer
67
The natural fats and oils are composed of_________?
0
A. Carbon, Hydrogen and Oxygen
B. Carbon, Hydrogen and Nitrogen
C. Carbon, Oxygen and Nitrogen
D. Hydrogen, Oxygen and Nitrogen
A. Carbon, Hydrogen and Oxygen
68
The energy value of food is measured in_______?
0
A. Joule
B. Calories
C. Tesla
D. Proteins
B. Calories
69
Wind energy is the __________ energy.
0
A. Potential
B. Transverse
C. Kinetic
D. Mechanical
C. Kinetic
70
Who is considered the founder of meteorology?
3
A. Aristotle
B. Plato
C. Einstein
D. Newton
A. Aristotle
Aristotle is considered the founder of meteorology. One of the most impressive achievements described in the Meteorology is the description of what is now known as the hydrologic cycle.
71
Water covers __________ of the Earth’s surface?
0
A. 61%
B. 67%
C. 71%
D. 76%
C. 71%
72
In general, wind speed of 10 –13 kph caused_______?
8
A. minor or no damage
B. considerable damage
C. severe damage
D. extreme damage
A. minor or no damage
73
Acid rain is mainly caused by emissions of __________ in the atmosphere?
1
A. Sulfur Dioxide and Potassium Nitrate
B. Sulfur and Charcoal
C. Nitrogen Oxide and Potassium Nitrate
D. Sulfur Dioxide and Nitrogen Oxide
D. Sulfur Dioxide and Nitrogen Oxide
Acid rain is caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere, where they react with water, oxygen, and other chemicals to become sulfuric and nitric acid respectively.
74
About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
0
A. Oxygen
B. Cabon Dioxide
C. Silicon
D. Clay
A. Oxygen
75
The fourth state of matter is?
0
A. Water
B. Salts
C. Vapours
D. Plasma
D. Plasma
Plasma, the fourth state of matter (beyond the conventional solids, liquids and gases), is an ionized gas consisting of approximately equal numbers of positively and negatively charged particles.
76
The device used to convert Alternate Current into Direct Current is called?
0
A. Anemometer
B. Battery
C. Galvanometer
D. Rectifier
D. Rectifier
77
In night, when photosynthesis is stopped, plants__________?
7
A. take in Carbon Dioxide
B. give off Oxygen
C. give off Carbon Dioxide
D. None of these
C. give off Carbon Dioxide
78
__________ are called the powerhouses of the cell?
0
A. Mitochondria
B. Vesicles
C. Lungs
D.Liver
A. Mitochondria
79
One of the countries through which equator passes is___________?
13
A. Kenya
B. Malaysia
C. Malta
D. Pakistan
A. Kenya
The Equator passes through 13 countries: Ecuador, Colombia, Brazil, Sao Tome & Principe, Gabon, Republic of the Congo, Democratic Republic of the Congo, Uganda, Kenya, Somalia, Maldives, Indonesia and Kiribati. At least half of these countries rank among the poorest in the world.
80
Copper can be converted into gold by ?
0
A. Artificial radioactivity
B. heating
C. Electroplating
D. Chemical reaction
A. Artificial radioactivity
81
The three elements needed for healthy growth of plants are __________?
5
A. N, P, K
B. N, C, P
C. N, K,
D. N, S, P
A. N, P, K
Nitrogen (5%), phosporus (10%), potassium (5%)
82
Clocks, which moves with the velocities comparable with the velocity of light, run ?
8
A. fast
B. slow
C. equal to the velocity of light
D. with zero velocity
B. slow
83
Max Planck received the noble prize in Physics in 1918 for his discovery of ?
0
A. electron
B. energy quanta
C. photon
D. positron
B. energy quanta
84
Bronze medal is made up of metals ?
0
A. copper,nickel
B. copper, tin
C. copper, silver
D. copper, zinc
B. copper, tin
85
Addison’s disease is caused by the deficiency of____________?
0
A. Antiduretic Harmone
B. Luteinising Harmone
C. Melanophore stimulating Harmone
D. Adrenocorticotrophic Harmone
D. Adrenocorticotrophic Harmone
Addison's disease, also called adrenal insufficiency, is an uncommon illness that occurs when the body doesn't make enough of certain hormones. In Addison's disease, the adrenal glands make too little cortisol and, often, too little of another hormone, aldosterone
86
Humming bird belongs to a category called ?
0
A. Ectotherm
B. Endotherm
C. Exotherm
D. Heterotherm.
B. Endotherm
Hummingbirds are among the smallest endothermic vertebrates. Because they forage by energetically costly hovering, and because weight-specific basal metabolic rates increase with decreasing body size, their basal and active metabolic rates are among the highest recorded.
87
Radioactive isotope of Uranium used in Nuclear Bomb is ?
2
A.92 U 235
B.92 U 234
C. 92 U 233
D. 92 U 238
A.92 U 235
88
Human population growth is greatest in developing countries because ?
0
A. the birth rate is high in developing countries
B. the death rate is high in developing countries.
C. much of the population has already reached the child bearing age.
D. most of the world’s population lives in industrialized countries.
A. the birth rate is high in developing countries
89
Which woody raw material is used for the manufacture of paper pulp?
0
A. Cotton
B. Poplar
C. Bagasse
D. Rice straw
B. Poplar
90
Rectified spirit contains alcohol about ?
0
A. 80%
B. 95%
C. 70%
D. 85%
B. 95%
91
Which of the following elements is not present abundantly in earth’s crust ?
7
A. Silicon
B. Radium
C. Aluminum
D. Carbon
B. Radium
92
The famous book; Al – Qanun was written by the Muslim scientist ?
2
A. Jabar bin Hayyan
B. Zakariya Al – Razi
C. Abu Ali Sina
D. Abdul Qasim Majreeti
C. Abu Ali Sina
93
Basic metals can be converted into gold by ?
0
A. Heating
B. Beating
C. Artificial nuclear radioactivity
D. Chemical reaction
C. Artificial nuclear radioactivity
94
A light year is a unit of ?
5
A. Time
B. Energy
C. Length
D. Mass
C. Length
95
One of the main function of the earth’s ozone layer is to ?
0
A. Prevent global warming
B. Filter out ultraviolet rays
C. Absorb pollution
D. All of the above
B. Filter out ultraviolet rays
96
Person with following blood group are considered to be universal recipient ?
1
```
A. A+
B. B+
C. AB+
D. O+
E. None of these
```
C. AB+
97
Study of life in outer space is known as ?
0
```
A. Endobiology
B. Exobiology
C. Enterobiology
D. Neobiology
E. Micro biology
```
B. Exobiology
98
The name of the common mineral salt present in sweat is ?
0
```
A. Calcium Oxalate
B. Potassium Sulphate
C. Sodium Chloride
D. Iron Sulphate
E. None of these
```
C. Sodium Chloride
Sweat consists of about 99% water, 0.2-0.5% salts mainly sodium chloride and traces of urea (0.08%).
99
Sensitive layer of the eye is?
0
```
A. Choriods
B. Sclerotic
C. Retina
D. Cornea
E. None of these
```
C. Retina
Retina: a light-sensitive layer that lines the interior of the eye. It is composed of light-sensitive cells known as rods and cones. The human eye contains about 125 million rods, which are necessary for seeing in dim light.
100
Laughing gas has chemical composition of following two elements ?
0
```
A. Nitrogen + Hydrogen
B. Nitrogen + Carbon
C. Nitrogen + Oxygen
D. Oxygen + Carbon
E. None of these
```
C. Nitrogen + Oxygen
101
Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________?
0
A. Electromagnetic force and gravitational force
B. Electromagnetic force and weak nuclear force
C. Gravitational force and weak nuclear force
D. Weak nuclear force and strong nuclear force
E. None of these
B. Electromagnetic force and weak nuclear force
