Top 50 Questions about Everyday Science with Answers
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| Top 50 Questions about Everyday Science With Answers |
Q.No.01 The density of
water is ______?
Ans. 997 Kg/m3
Q.No.02 The lifespan of
Red Blood Cell is _____ days?
Ans. About 120 days.
Q.No.03 For a fixed mass
of gas at the constant temperature, if we decrease volume, the pressure will
be____?
Ans. Increase.
Q.No.04 Deficiency of
Vitamin-A is results in ______?
Ans. Night Blindness.
Q.No.05 Long-sight defect
could be corrected by using ______lens?
Ans. Convex Lens.
Q.No.06 The SI unit of
charge is ______?
Ans. Coulomb.
Q.No.07 Severe deficiency
of Vitamin-D results in ______?
Ans. Rickets.
Q.No.08 Which is the
outermost planet in solar system?
Ans. Neptune.
Q.No.09 There are how
many planets in Solar System?
Ans. Eight.
Q.No.10 Which planet is
closest to the Sun?
Ans. Mercury.
Q.No.11 The SI unit of
“Pressure” is?
Ans. Pascal (Pa).
Q.No.12 How much oxygen
does a person consume in a day?
Ans. About 11,000 liters.
Q.No.13 Which is the most
abundant element in the Earth’s crust?
Ans. Oxygen.
Q.No.14 Which is the most
abundant element in the universe is _____?
Ans. Hydrogen.
Q.No.15 The average adult
has a blood volume of about ______liters?
Ans. 5 Liters.
Q.No.16 Which Gas is used
in a refrigerator to cool water?
Ans. Ammonia.
Q.No.17 The Sun is a
_____?
Ans. Star.
Q.No.18 A device which
converts chemical energy into electrical energy is called?
Ans. Battery.
Q.No.19 Radioactivity was
discovered by?
Ans. Becquerel.
Q.No.20 There are how
many major types of white blood cells?
Ans. Five.
Q.No.21 Sound Waves are
_____ waves?
Ans. Longitudinal Waves.
Q.No.22 Which instrument
is used for measuring very high temperature?
Ans. Pyrometer.
Q.No.23 (1) nanometer is
=?
Ans. One billionth (10-9) of a meter.
Q.No.24 When white light
is passed through a prism, it splits into how many colors?
Ans. Seven.
Q.No.25 Sound cannot
travel through a _____?
Ans. Vacuum.
Q.No.26 CNG Stands for?
Ans. Compressed Natural Gas.
Q.No.27 LPG Stands for?
Ans. Liquefied Petroleum Gas.
Q.No.28 Which lens is
used in cameras to focus an image of film?
Ans. Concave lens.
Q.No.29 Which is the
densest substance on the earth?
Ans. Osmium.
Q.No.30 Urine is produced
in _____?
Ans. Kidneys.
Q.No.31 At night, plants
intake Oxygen & release _____?
Ans. Carbon dioxide.
Q.No.32 Oxidation is a
chemical reaction involving the ______?
Ans. Loss of Electrons.
Q.No.33 GPS is an
abbreviation of ______?
Ans. Global Positioning System.
Q.No.34 In general,
Comets have ______ orbits?
Ans. Highly elliptical.
Q.No.35 Which is the
planet that moves around the Sun at the highest speed is?
Ans. Mercury.
Q.No.36 Which is the
nearest planet to the earth?
Ans. Venus.
Q.No.37 Which planet has
the shortest orbit around the Sun?
Ans. Mercury.
Q.No.38 What is used in
cold countries to melt ice on roads?
Ans. Salt.
Q.No.39 The fluid part of
a blood is known as _______?
Ans. Plasma.
Q.No.40 Einstein’s famous
equation which states that mass and energy are interchangeable is?
Ans. E = MC2.
Q.No.41 Which device is used
to measure blood glucose level?
Ans. A glucose meter or glucometer.
Q.No.42 What is the
actual age of Universe?
Ans. About 13.8 billion years old.
Q.No.43 The planets
visible to us without using a telescope are_____?
Ans. Five.
Q.No.44 The bodyguard of
the Earth is _____ that save the Earth from many comets and Asteroids?
Ans. Jupiter.
Q.No.45 What is the speed
of light in KM?
Ans. 300000 KM/SEC.
Q.No.46 The Great Red Spot
is on the planet _____?
Ans. Jupiter.
Q.No.47 Which planet is
easily visible from the Earth?
Ans. Venus.
Q.No.48 What is the
percentage of saline ocean water?
Ans. Approximately 3.5%.
Q.No.49 The position of
an element in the periodic Table is determined by its _______number?
Ans. Its electrons.
Q.No.50 Earth rotates in
which direction?
Ans. Counterclockwise, from the West to East.
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