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16 questions
Initially earth was a __________ hot balloon.
Blue
Lighter
Heavier
Gaseous
The interior of the earth is ________.
Liquid
Semi-Liquid
Solid
Semi-Solid
The direct observation of the earth’s interior is possible
True
False
Matter coming out of volcanic eruptions consists of a hot _____
Air
Gama
Magma
Sigma
When lava cools and solidifies, _____________ rocks are formed
Igneous
Sedimentary
Metamorphic
None of the above
Earthquake is the result of generation of _____________ waves
Electromagnetic
Seismic
Radio
Radioactive
Oceanic crust is made up of ___________
Silica
Magnesium
Both of the above
None of the above
________begins at a depth of around 42 km from the earth’s surface
Crust
Inner Core
Outer Core
Mantle
Inner core layer is also called Sial
True
False
________ proposed a day to honour the Earth
NASA
NCERT
UNSECO
FSSAI
Earth rotates by ___ in 1 hour around its own axis
180°
24°
15°
None of the above
The time of a place as decided by the location of the sun in the sky, is known as its____
Meridian Time
local time
Standard Time
Noon Time
IST is ____ hours ahead of GMT
5:30
5
4
4:30
The local time at _______ is considered to be the international standard time.
Greenwich in England
Geneva in Switerland
Tokyo in Japan
Kolkata in India
The difference in standard times of various countries is calculated with reference to GMT
True
False
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