Natural Resources
Telangana Board · Class 10 · Biology
Flashcards for Natural Resources — Telangana Board Class 10 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
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What are natural resources? Give examples.
Answer
Natural resources are materials or substances found in nature that are useful to humans. Examples include water, soil, forests, flora, fauna, minerals, fossil fuels, and air. They provide everything w…
What is a percolation tank and how does it help in water conservation?
Answer
A percolation tank is an earthen dam with masonry structures where water may overflow. It is made of soil, silt, loam, clay, sand, and gravel mixed and laid in layers. It helps recharge groundwater by…
Compare the water situation in Wanaparthy and Vaddicherla villages. What was the main difference?
Answer
Wanaparthy had no scarcity of groundwater while Vaddicherla faced water scarcity. The key difference was that Wanaparthy had a percolation tank providing alternative water supply, while Vaddicherla ha…
What changes occurred in both villages over 5 years according to the study?
Answer
In 5 years: Wanaparthy - irrigated area decreased from 1000 to 860 acres, wells from 155 to 95. Vaddicherla - irrigated area decreased from 450 to 315 acres, wells from 175 to 56. Both villages lost s…
What is sustainable development?
Answer
Sustainable development means using the environment in ways that ensure we have resources for the future. It allows development and conservation to coexist in harmony, meeting present needs without co…
What percentage of Earth's water is fresh water and where is it found?
Answer
Only 2.5-2.75% of Earth's total water is fresh water. Of this: 1.75-2% is frozen in glaciers, ice and snow; 0.7-0.8% is fresh groundwater and soil moisture; less than 0.01% is surface water in lakes, …
What interventions were implemented in Kothapally village for water management?
Answer
Community interventions: 14 water storage structures (1 earthen, 13 masonry dams), 60 mini-percolation pits, field bunding on 38 hectares. Farmer interventions: broad bed furrows, contour farming, Gli…
What are renewable and non-renewable resources? Give examples.
Answer
Renewable resources can be replaced after use (water, forests, soil, wind, solar energy). Non-renewable resources cannot be replaced once used up (fossil fuels like coal, petroleum, natural gas, miner…
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