Our Environment class 10

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

1. Land,water, air, etc, comprise the ...................environment.

• Natural

• Human

• Man-made

• Artificial

1. What is an abiotic component of environment?

• Table

• Water

• Human

• None of these

Natural environment can be divided into............................types.

• Two

• Three

• Five

• Four

When is Earth Day celebrated?

• Every day
• April 22nd
• April 20th
• June 5th

When is World Environment Day is celebrated?

• 5 February

• 5 August

• 5 June

• 5 may

What is the study of the interactions among organisms and  between organisms and their environments called?

• Biology
• Ecology
• Astronomy
• Biosphere

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

An artificial ecosystem is

• Pond

• Forest

• Desert

• Crop field

Ozone layer protects us from harmful ultra-violet radiations of the sun.

• Ture

• false