Set-1 Flashcards
Which is the outermost planet in the solar system?
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A. Mercury
B. Pluto
C. Neptune
D. Uranus
C. Neptune
Severe deficiency of Vitamin D results in __________.
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A. scurvy
B. rickets
C. night blindness
D. None of these
B. rickets
The SI unit of charge is __________?
0
A. Ampere
B. Coulomb
C. Ohm
D. Volt
B. Coulomb
Long-sight defect could be corrected by using __________ lens?
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A. concave
B. Convex
C. diverging
D. none of these
B. Convex
Deficiency of Vitamin-A results in __________?
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A. Night blindness
B. rickets
C. scurvy
D. hair fall
A. Night blindness
Short-sight defect could be corrected by a _____________ lens?
A. concave lens
B. convex lens
C. converging lens
D. none of these
A. concave lens
For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
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A. also decrease
B. increase
C. remains constant
D. none of these
B. increase
The lifespan of Red Blood Cells is __________ days?
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A. 60
B. 120
C. 180
D. 240
B. 120
The density of water is __________?
1
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these
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).
Radioactivity was discovered by __________?
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A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel
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.
A device which converts chemical energy into electrical energy is called __________?
6
A. motor
B. generator
C. moving-coil meter
D. battery
D. battery
The Sun is a __________?
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A. Star
B. Planet
C. Asteroid
D. Meteor
A. Star
The gas used in a refrigerator to cool water is___________?
1
A. Nitrogen
B. Carbon dioxide
C. Methane
D. Tetrafluoroethane
D. Tetrafluoroethane
The average adult has a blood volume of about __________ liters.
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A. 4
B. 5
C. 6
D. 7
B. 5
The most abundant element in the universe is __________.
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A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
B. Hydrogen
The most abundant element in the Earth’s crust is __________?
3
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
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
Each day human body breathe in __________ liters of air.
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A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
B. 10,000 to 15,000
Deficiency of Vitamin-D results in __________?
0
A. night blindness
B. rickets
C. scurvy
D. hair fall
B. rickets
The SI unit of “pressure” is _________.
0
A. pascal
B. joule
C. tesla
D. henry
A. pascal
The most densest substance on the Earth is __________.
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A. Platinum
B. Copper
C. Steel
D. Osmium
D. Osmium
A camera uses a __________ to form an image.
3
A. convex lens
B. concave lens
C. condenser lens
D. none of these
A. convex lens
Which from the following is NOT a conductor?
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A. Aluminium
B. Gold
C. Graphite
D. All are conductors
D. All are conductors
CNG stands for?
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A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas
D. Compressed Natural Gas
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. Sound cannot travel through a vacuum
When white light is passed through a prism, it splits into __________ colours.
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A. 5
B. 6
C. 7
D. 8
C. 7
1 nanometer = ?
0
A. 10-3 meter
B. 10-6 meter
C. 10-9 meter
D. 10-12 meter
C. 10-9 meter
Instrument used for measuring very high temperature is __________?
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A. Pyroscope
B. Pyrometer
C. Seismograph
D. Xylometer
B. Pyrometer
Sound waves are _________ waves.
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A. Transverse
B. Electromagnetic
C. Longitudinal
D. None of these
C. Longitudinal
The lifespan of White Blood Cells is __________ day(s)?
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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.
The fluid part of blood is known as __________?
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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
During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
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A. Salt
B. Chlorine
C. Carbon dioxide
D. Water
A. Salt
In a very low temperature which from the following will freeze at last?
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A. River water
B. Canal water
C. Sea water
D. Water in a lake
C. Sea water
The nearest planet to the Earth is _________?
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A. Venus
B. Mercury
C. Mars
D. Moon
A. Venus
The planet that moves round the Sun at the highest speed is_________?
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A. Jupiter
B. Venus
C. Mars
D. Mercury
D. Mercury
But Mercury is the fastest planet, zipping around the Sun every 88 Earth days.
In general, Comets have __________ orbits
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A. Elliptical
B. Highly elliptical
C. Circular
D. Parabolic
B. Highly elliptical
GPS is an abbreviation for?
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A. Global Poles System
B. Global PolySiliconium Store
C. Global Positioning System
D. Global Position Structure
C. Global Positioning System
Oxidation is a chemical reaction involving the __________?
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A. Gain of Electrons
B. Loss of Electrons
C. Gain of Protons
D. Loss of Protons
B. Loss of Electrons
At night, Plants intake __________ and release __________?
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A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. None of theseCarbon monoxide – Oxygen
A. Oxygen – Carbon dioxide
Urine is produced in __________?
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A. Kidneys
B. Lungs
C. Large intestine
D. Liver
A. Kidneys
The position of an element in the Periodic Table is determined by its __________ number?
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A. Electron
B. Proton
C. Neutron
D. Positron
A. Electron