Thickness of atmosphere around the earth is:
- (A) 100 Kilometers
- (B) 130 Kilometers
- (C) 145 Kilometers
- (D) 195 Kilometers
- (C) 145 Kilometers
Which is the thinnest layer of Earth?
- (A) Core
- (B) Mantle
- (C) Oceanic Crust
- (D) Inner core
- (C) Oceanic Crust
The ‘Mesosphere’ extended above the earth’s surface is up to:
- (A) 60 Kilometers
- (B) 65 Kilometers
- (C) 80 Kilometers
- (D) 85 Kilometers
- (D) 85 Kilometers
Which of the following is the most porous rock?
- (A) Sandstone
- (B) Slate
- (C) Granite
- (D) Basalt
- (A) Sandstone
Which of the following is the oldest rock?
- (A) Cambrian
- (B) Quartzite
- (C) Carbonatities
- (D) Ordovician
- (D) Ordovician
The layers of atmosphere are divided into how many parts?
- (A) 2
- (B) 3
- (C) 4
- (D) 5
- (D) 5
Atmosphere around the earth maintains its:
- (A) Pressure
- (B) Density
- (C) Shape
- (D) Temperature
- (D) Temperature
How many layers does Earth’s atmosphere have?
- (A) 4
- (B) 5
- (C) 6
- (D) 7
- (B) 5
The Earth weight is _______ more than the moon.
- (A) 50 times
- (B) 72 times
- (C) 81 times
- (D) 99 times
- (C) 81 times
Why stars look more in west than east?
- (A) Earth is moving around the Sun
- (B) Moon is moving around the Earth
- (C) Earth is moving from west to east
- (D) Universe is moving from east to west
- (C) Earth is moving from west to east