Biosphere Reserves and Environmental Concepts

The video explores the significance of natural resources like land, water, and vegetation, and their impact on human life. It compares resource availability in different regions, discusses land use, soil composition, and water conservation. The importance of biodiversity and ecosystem balance is highlighted, along with conservation efforts. The video concludes with a call to protect these resources for future generations.

How do the lives of Nina and Taylor illustrate the impact of natural resources?

• Both families struggle with water scarcity.

• Nina has access to modern technology, while Taylor does not.

• They both live in urban areas with similar resources.

• Their lifestyles differ due to the availability of land, water, and technology.

What percentage of the Earth's surface is covered by land?

• 50%

• 90%

• 30%

• 70%

Which factor is NOT mentioned as influencing land use?

• Cultural beliefs

• Technology

• Climate

• Topography

What is the primary composition of soil?

• Organic matter, minerals, and weathered rocks

• Clay and silt

• Water and air

• Sand and gravel

What triggered the landslide in Pangi Village?

• Earthquake

• Intense blasting

• Deforestation

• Heavy rainfall

Why is Earth referred to as a 'water planet'?

• Because water is the most abundant resource

• Because it is the only planet with water

• Because 34% of its surface is covered with water

• Because it has more land than water

Which method is NOT mentioned for conserving water resources?

• Checking canal seepage

• Water harvesting

• Building dams

• Drip irrigation

What is the biosphere?

• The layer of air surrounding Earth

• The narrow zone of contact between the lithosphere, hydrosphere, and atmosphere

• The Earth's core

• The outermost layer of the Earth

Which of the following is a threat to biodiversity?

• Stable ecosystems

• Climate change

• Increased rainfall

• Abundant wildlife

What is the purpose of biosphere reserves?

• To promote urban development

• To demonstrate the relationship between conservation and development

• To provide recreational areas

• To increase agricultural land