Our Environment

What is the life supporting system among the following?

• Transportation

• Music system

• Environment

• Both A and B

When is World Environment Day is celebrated?

• 5 February

• 5 August

• 5 June

• 5 may

What is the solid crust of the Earth is called?

• Biosphere

• Lithosphere

• Atmosphere

• Hydrosphere

Which of the following is a primary consumer in a grassland ecosystem?

• 
• 
• 
• 

What does the Ozone in the atmosphere do?

• causes the greenhouse effect

• causes acid rain

• protects the Earth from harmful infrared (IR) rays

• protects the Earth from harmful ultraviolet (UV) rays

Environment consist of the ..........................that surrounds any living organism.

• Place

• People

• Things

• living and non living things

The natural environment consists of................................... .

• Activities among human beings

• Plants and animals that surround the human beings

• Creations among human beings

• Interactions among human beings

Natural environment is important because..............

• It is essential to sustain life

• It helps in providing scenic beauty

• It provides food for many living beings

• None of the above

The major components of physical environment are...................................

• Atmosphere, lithosphere,hydrosphere

• Atmosphere, biosphere, lithosphere

• Lithosphere, atmosphere, biosphere

• Biosphere, hydrosphere, atmosphere

The French word 'environner' means to

• attract

• surround

• collect