Half Yearly Revision

What is environment?

• Nature and all elements of nature

• Human beings

• Objects created by humans using natural elements

• All of the above

Which of the following is a part of environment?

• A ladybird

• N95 mask

• Laptop

• All of the above

Soil is a part of __________ component of environment

• Natural

• Human

• Human-made

Education is a part of __________ component of environment

• Natural

• Human

• Human-made

Internet is a part of __________ component of environment

• Natural

• Human

• Human-made

A narrow zone where all three domains of the earth- lithosphere, atmosphere and hydrosphere interact to create and sustain life is called

• Environment

• Ecosystem

• Biosphere

A system formed by the interaction of all living organisms with each other and with the physical and chemical factors of the environment in which they live, all linked by transfer of energy and material is called

• Environment

• Biosphere

• Ecosystem

Identify any 2 biotic and abiotic components from this ecosystem

A trade in which goods are exchanged without the use of money is called

• Ecosystem

• Barter System

• Pollution

• None of the Above

_______ is an artificial ecosystem

• Forest

• Pond

• Aquarium