GENERAL SCIENCE QUIZ
Today's GENERAL SCIENCE QUIZ
1. How many layers
does the human skin consists of ?
(a) two
(b) four
(c) one
(d)Three
Answer – (d)three
2. When was the first
weather observation satellite launched?
(a) 1 April, 1960
(b) 3 April, 1960
(c) 2 April, 1960
(d) 4 April, 1960
Answer - (a) The satellite, Tiros I, was launched from Cape
Kennedy and made the first television picture from space.
3. With which
animal’s heart the human heart closely resembles?
(a) Sheep
(b) Dog
(c) Cow
(d) Rabbit
Answer – (a) Sheep
4. Which of the
following elements is required in largest quantities by plants?
(a) Calcium
(b) Nitrogen
(c) Sulphur
(d) Phosphorus
Answer– (d) Phosphorus
5.Which of the
following is not an isotope of hydrogen ?
a)Protium
b)Yttrium
c)Deuterium
d)Trituim
Answer –(b) Yttrium
6. When was the first
total artificial heart implanted?
(a) 3 April, 1978
(b) 2 April, 1969
(c) 4 April 1978
(d) 4 April, 1969
Answer– (d) It was done by Dr. Denton cooley at the Texas
Heart Institute, Houston, Texas. It was used as a bridge to heart
transplantation.
7.A flash of
lightening can be seen much before we hear the thunder because:
(a) The velocity of light is more than that of sound
(b) Lightening is electromagnetic in nature whereas sound is
mere compression of air.
(c) Sound is heard but seen.
(d) Lightening happens first and then thunder.
Answer-(a) The velocity of light is more than that of sound
8.The gas used to
extinguish fire, is
a)neon
b)nitrogen
c)carbon dioxde
d)carbon monoxide
Answer- c) carbon dioxde
9.Which of the
following is used in pencils ?
a)Charcoal
b)Silicon
c)Phosphorus
d)Graphite
Answer-d)Graphite
10.High blood
pressure indicates/means
(a) Faster movement of the heart than the normal rate
(b) Difficulties in breathing
(c) Blood flowing more rapidly than what is normal
(d) Increase in cholesterol
Answer-d) Increase in cholesterol
11.Balloons are
filled with
a)helium
b)oxygen
c)nitrogen
d)argon
Answer –a)helium
12.The age of earth is over
(a) Five billion years
(b) Three billion years
(c) Six billion years
(d) Four billion years
Answer-a) Five billion years
13.What is special
about plutonium?
(a) Earliest discovered radioactive element.
(b) A useful nuclear power source.
(c) One of the atomic elements
(d) Can be used for the atom bomb.
Answer-a) Earliest discovered radioactive element.
14.Carbon, diamond
and graphite are together called
a)isomers
b)allotropes
C)isomorphs
d)isotopes
Answer-b) allotropes
15.From which mineral
is radium obtained ?
a)Limestone
b)Haematite
c)Pitchblende
d)Rutile
Answer-c)Pitchblende
16.Which of the following
birds does not build a nest?
(a) Robin
(b) Crow
(c) Cuckoo
(d) Nightingale
Answer-c) Cuckoo
17.Tetraethyl lead is
used as
a)mosquito repellent
b)pain killer
c)fire extinguisher
d)petrol additive
Answer-d)Petrol additive
18.Permanent hardness
of water, due to sulphates of the metal, can be destroyed by the use of
a)nitrates
b)zeolites
c)sulphonates
d)None of these
Answer-b) zeolites
19.Birds migrate from
one region to another because of
(a) Instinct
(b) Atmospheric
(c) Adverse climatic condition
(d) The compulsion of reproduction
Answer-b) Atmospheric
20.Which of the
following is the correct sequence of the following elements in increasing order
of their relative densities ? 1. Mercury 2. Gold 3. Lead 4. Aluminium
a)3, 2, 1, 4
b)3, 1, 4, 2
c)4, 1, 3, 2
d)4, 3, 1, 2
Answer –d)4, 3, 1, 2
21.Carborundum is
a)Silicon dioxide
b)Silicon carbide
c)Silicon nitride
d)Silicon phosphide
Answer-b) Silicon carbide
22. Which part of the
brain constitutes some 70% of the whole matter?
(a) Cerebellum
(b) Frontal lobe
(c) Medulla
(d) Cerebrum
Answer – (d) Cerebrum
23.Which of the
following pairs does not contain a coinage metal ?
a)Copper and Gold
b)Silver and Gold
c)Zinc and Gold
d)Copper and Silver
Answer-c) Zinc and Gold
24.A super conductor
is characterised by
a)zero permeability
b)low permeability
c)high permeability
d)infinite permeability
Answer-a) zero permeability
25.Which of the
following metals remains in liquid form under normal conditions ?
a)Uranium
b)Radium
c)Zinc
d)Mercury
Answeer-d) Mercury
26.Arrange the following metals in the decreasing order of
their relative abundance in earths crust after aluminium : 1. Calcium 2. Iron
3. Sodium 4. Magnesium
a)1, 4, 2, 3
b)1, 2, 4, 3
c)2, 1, 3, 4
d)2, 1, 4, 3
Answer-c)2, 1, 3, 4
27. Why should milk not be exposed to Sunlight? Because it
(a) destroy lactobacillus
(b) destroys the riboflavin
(c) collects micro organisms
(d) none of these
Answer- (b)destroys the riboflavin
28.Find the odd one :
a)Marble
b)Chalk
c)Limestone
d)Slaked lime
Answer-d)Slaked lime
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