Environmental Management — Flashcards
Maharashtra Board · Class 9 · Science
20 flashcards for Environmental Management (Maharashtra Board Class 9 Science) to test yourself on key terms and facts.
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What is the difference between weather and climate?
Answer
Weather refers to atmospheric conditions at a specific time and place (short-term), while climate is the average of weather conditions recorded over many years for a particular region (long-term). Wea…
Define meteorology and explain its importance.
Answer
Meteorology is the science that studies the inter-relationships between various components of air, natural cycles, geological movements of Earth, and climate. It includes studying storms, clouds, rain…
When was World Meteorological Day observed and why is it important?
Answer
World Meteorological Day is observed on 23rd March. It marks the establishment of the World Meteorological Organization by the United Nations in 1950. This organization plays an important role in food…
When and where was the India Meteorological Department (IMD) founded?
Answer
The India Meteorological Department was founded by the British in 1875 at Shimla. Its head office is now at New Delhi with Regional Offices at Guwahati, Mumbai, Kolkata, Chennai, Nagpur, and New Delhi…
What are the three types of monsoon prediction models used by IMD?
Answer
The three types are: 1) Statistical Model - compares current observations with past data using statistical methods, 2) Mathematical/Dynamic Model - uses mathematical analysis with supercomputers based…
Define solid waste and give examples.
Answer
Solid waste refers to waste materials generated through various daily human activities that need to be disposed of. Examples include domestic waste (food scraps, paper, plastic), industrial waste (che…
What is the difference between biodegradable and non-biodegradable waste?
Answer
Biodegradable waste (wet garbage) is easily degraded by microbes and includes kitchen waste, plant parts, and organic materials. Non-biodegradable waste (dry garbage) requires a very long time to degr…
List the 7 principles of solid waste management (7 R's).
Answer
1) Reuse - use materials for other purposes, 2) Refuse - avoid non-degradable items, 3) Recycle - produce useful items from waste, 4) Rethink - consider consequences of our habits, 5) Reduce - restric…
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