Renewable resources can be defined as resources that ___ and ___.

Can be replenished naturally and are sustainable over time

What are biotic resources? Provide two examples.

Biotic resources are resources that are derived from living organisms. Examples include flora and fauna.

Soil erosion is primarily caused by ___ and ___.

Deforestation and overgrazing

Explain contour ploughing and its role in soil conservation.

Contour ploughing involves ploughing along the contour lines of the land, which helps slow down water runoff and reduces soil erosion.

True or False: Non-renewable resources can be replaced within a human lifetime.

False. Non-renewable resources take millions of years to form and cannot be replenished within a human lifetime.

Fill in the blank: The black soil of India is known for its ability to ___ and ___ nutrients.

Retain moisture and hold essential

Describe the impact of human activities on resource depletion.

Human activities such as overconsumption, pollution, and deforestation lead to depletion of resources and ecological imbalances.

Riddle: I am a type of soil that is rich in nutrients and known for growing cotton. What am I?

Black Soil

What measures can be taken to combat land degradation?

Measures include afforestation, proper management of grazing, and sustainable agricultural practices.

List three characteristics of arid soil.

Arid soil is sandy, saline in nature, and generally lacks moisture.

True or False: All resources are evenly distributed across the globe.

False. Resources are unevenly distributed, leading to disparities in availability.

Fill in the blank: The term 'land degradation' refers to the ___ of land quality and productivity.

Decline

What role do forests play in maintaining ecological balance?

Forests provide habitat for wildlife, help in soil conservation, and contribute to the water cycle.

Describe one method to control soil erosion in hilly areas.

Terrace cultivation, which involves creating flat areas on slopes, helps to reduce soil erosion.

Riddle: I am a resource found beneath the earth, but I take millions of years to form. What am I?

Fossil Fuels

Explain the importance of resource conservation for future generations.

Conserving resources ensures that future generations have access to essential materials and prevents environmental crises.

What is the relationship between soil fertility and agricultural productivity?

Soil fertility directly influences agricultural productivity, as fertile soil supports healthy crop growth.

Classify the following as renewable or non-renewable: Water, Minerals, Forests, Fossil Fuels.

Renewable: Water, Forests; Non-renewable: Minerals, Fossil Fuels.

Fill in the blank: Community-owned resources are accessible to ___ members of the community.

All

What impact does overgrazing have on land?

Overgrazing leads to soil compaction, loss of vegetation, and increased soil erosion.