#1
Which gas is primarily responsible for global warming?
Carbon dioxide
ExplanationCarbon dioxide is a greenhouse gas that traps heat in the Earth's atmosphere, contributing to global warming.
#2
What is the largest source of water pollution?
Sewage and wastewater
ExplanationSewage and wastewater, containing pollutants and contaminants, are a major contributor to water pollution.
#3
Which of the following is a renewable energy source?
Solar power
ExplanationSolar power harnesses energy from the sun, providing a sustainable and renewable source of electricity.
#4
What is the main goal of sustainable forestry?
Balance economic, social, and ecological factors
ExplanationSustainable forestry aims to find a balance between economic profitability, social benefits, and ecological conservation.
#5
Which of the following is a major cause of deforestation?
Agricultural expansion
ExplanationDeforestation is often driven by the expansion of agriculture, leading to the clearing of forests for farming.
#6
What is the term for the preservation of genetic diversity in plants and animals?
Biodiversity conservation
ExplanationBiodiversity conservation focuses on preserving the variety of life by protecting genetic diversity in plants and animals.
#7
Which of the following is NOT a greenhouse gas?
Ozone
ExplanationWhile ozone is present in the atmosphere, it is not considered a greenhouse gas like carbon dioxide or methane.
#8
What is the term for the process by which water evaporates from plants into the atmosphere?
Transpiration
ExplanationTranspiration is the process where water vapor is released from plant surfaces into the atmosphere.
#9
What is the term for the practice of harvesting trees at a rate slower than the forest can renew itself?
Selective logging
ExplanationSelective logging involves harvesting trees in a way that allows the forest to regenerate, promoting sustainable forestry.
#10
Which international agreement aims to combat climate change by limiting global warming to well below 2 degrees Celsius?
Paris Agreement
ExplanationThe Paris Agreement is a global pact that seeks to address climate change by limiting the rise in global temperatures.
#11
Which of the following is NOT a component of the 'reduce, reuse, recycle' waste management hierarchy?
Incineration
ExplanationIncineration, while a waste management method, is not part of the 'reduce, reuse, recycle' hierarchy which emphasizes minimizing waste.
#12
What is the term for the loss of a species from an ecosystem?
Extinction
ExplanationExtinction refers to the complete loss of a species from a particular ecosystem or the entire planet.