Our Environment

The physical environment comprises of _______ components

• biotic

• abiotic

• ecological

• hydrosphere

29% of the lithosphere is occupied by ________

• ocean

• habitat

• land

• ecosystem

______________ protects us from the harmful ultra violet rays of the sun,

• nitrogen

• ozone

• oxygen

• carbon-di-oxide

All energy for life comes from the ___________.

• moon

• atmosphere

• earth

• sun

The term environment means the __________.

• surroundings

• lithosphere

• hydrosphere

• atmosphere

Environment is broadly classified in to __________ and ________.

• natural and human environment

• biotic and abiotic environment

The narrow zone where land, water and air come into contact with each other is called the ___.

• ecosphere

• lithosphere

• biosphere

• atmosphere

Lithosphere means

• the solid domain of the earth

• the liquid domain of the earth

• the air domain of the earth

The life support system

• transportation

• music system

• environment

The Environment day is celebrated on

• 5th January

• 5th June

• 5th August

• 5th September