EVS Unit 2: Food Resources and Land Use Mapping

What percentage of tropical forests may be lost in the coming six decades if the current rate of deforestation continues?

Which region shows a declining trend in forest area, particularly in the tropical region?

What is estimated to be the principal cause of deforestation in Africa, Asia, and tropical America according to the text?

In which areas is shifting cultivation prevalent according to the text?

What practice involves clearing forest lands to grow subsistence crops in tribal areas?

Which activity is NOT mentioned as a cause of deforestation in the text?

What is the primary source of tidal energy?

What creates corresponding motions or currents in the world's oceans?

Why are the changes in sea levels due to tidal forces highly regular and predictable?

What do the magnitude and variations of tidal motions reflect?

What determines the predictability of tidal changes?

What can be defined as any material which can be transformed in a way that it becomes more valuable and useful?

Which process is responsible for the transformation of valuable items from resources?

What is the term used to describe the decline in the quality of land resources due to various factors like overgrazing and agriculture?

Which type of energy resource includes fossil fuels like coal and their advantages and limitations?

What is the term for the process by which fertile land becomes desert-like due to various factors like climate change and human activities?

Which form of energy resource relies on capturing energy from the sun, wind, or geothermal sources?

What type of relief features are found in India according to the text?

What is the process called when the soil cover is denuded and washed down?

What is the cause of soil erosion according to the text?

What is the term used for the deep channels created by running water cutting through clayey soils?

What is the name given to the process where water flows as a sheet over large areas down a slope, washing away the topsoil?

What is the term used for the process where wind blows loose soil off flat or sloping land?

What is the main benefit of recycling aluminum products compared to refining bauxite?

According to the passage, which of the following minerals can also be recycled?

What is the purpose of the laws mentioned in the passage?

What is the role of the Aravalli mountain range mentioned in the passage?

What was the impact of marble mining near Rajsamand Lake?

What is the main source of food for the majority of people according to the passage?