Grade 10 2022

The Earth system which its crust and upper mantle is included in ___________________

• Atmosphere

• Biosphere

• Lithosphere

Which gas is mostly available by the volume in the atmosphere ___________________

• oxygen

• nitrogen

• carbon dioxide

Supersonic jets fly with in the layer of ________________

• Troposphere

• Stratosphere

• Mesosphere

The shallow sea strip that stretches towards the ocean from the continental boundary is known as ________________

• Ocean

• continental shelf

• territorial maritime boundary

There's only 2.5% of fresh water .

• True

• False

The correct statement about global water distribution is,

• Earth is covered 97% by water.

• Hydrosphere mostly contains surface water.

• Rivers, streams, lakes can be categorized as ground water.

• Hydrosphere contains three ways of water which are as solid, liquid and gas.

According to the distribution of water on earth, percentage of ground water is,

• 79%

• 38%

• 20%

The boundary that separate the mental from the core is called as,

• Mohorovicic discontinuity

• Gutenberg discontinuity

• Lehmann discontinuity

Volume of gases in the atmosphere are given as a percentage in "A" side and "B" contains names of gases, Match the correct order and choose the answer.

• A C B D

• BCAD

• ABCD

• CDAB

"A" side consist different steps in the water cycle "B" side contains the process of each step. Select the correct answer.

• B C D A

• B A C D

• B A D C

• B D A C