Understanding the Biosphere Components

The video tutorial explains the concept of the biosphere, derived from Greek words meaning 'life' and 'sphere'. It describes the biosphere as the region where life exists, consisting of the lithosphere (land), hydrosphere (water), and atmosphere (air). The video details how these components interact to support life on Earth, highlighting the biosphere's thin layer and its comparison to an apple peel. It concludes by emphasizing the biosphere as the largest biological system, composed of smaller units called biomes.

What is the origin of the word 'biosphere'?

• Greek

• Latin

• German

• French

Which of the following is NOT a component of the biosphere?

• Atmosphere

• Hydrosphere

• Stratosphere

• Lithosphere

What does the lithosphere represent in the biosphere?

• Space

• Water

• Land

• Air

How do the components of the biosphere interact?

• They compete for resources

• They meet and interact to support life

• They are isolated from each other

• They exist independently

What is the significance of the biosphere's components meeting and interacting?

• It results in climate change

• It leads to the extinction of species

• It makes life possible on Earth

• It causes natural disasters

What is the maximum height of the biosphere above sea level?

• 20 kilometers

• 10 kilometers

• 5 kilometers

• 15 kilometers

How deep can the biosphere extend into the ocean?

• 12 kilometers

• 10 kilometers

• 8 kilometers

• 5 kilometers

Why is the biosphere compared to the peel of an apple?

• Because it is thick and dense

• Because it is edible

• Because it is thin compared to the Earth

• Because it is colorful

What is the biosphere's role as a biological system?

• It is the smallest biological system

• It is the largest biological system

• It is a non-functional system

• It is a temporary system

What are the smaller functional units within the biosphere called?

• Habitats

• Ecosystems

• Biomes

• Communities