Environmental Science MCQs

1. What is remote sensing? A) The acquisition of information about an object or phenomenon without making physical contact B) The study of atmospheric pressure C) The measurement of soil moisture directly D) The observation of celestial bodies Answer: A) The acquisition of information about an object or phenomenon without making physical contact 2. Which … Read more

1. What is urban ecology primarily concerned with? A) The study of interactions between living organisms and their urban environments B) The study of rural ecosystems C) The management of agricultural lands D) The conservation of oceanic habitats Answer: A) The study of interactions between living organisms and their urban environments 2. Which of the … Read more

1. What is the primary producer in marine ecosystems? A) Phytoplankton B) Zooplankton C) Fish D) Marine mammals Answer: A) Phytoplankton 2. Which of the following is a primary consumer in freshwater ecosystems? A) Zooplankton B) Phytoplankton C) Predatory fish D) Decomposers Answer: A) Zooplankton 3. What is the term for the movement of water … Read more

1. What is soil? A) A natural resource composed of minerals, organic matter, water, and air B) A type of rock C) A liquid substance D) A form of energy Answer: A) A natural resource composed of minerals, organic matter, water, and air 2. Which soil horizon is known as the topsoil? A) Horizon A … Read more

1. What is biodiversity? A) The variety of life forms on Earth B) The amount of water in ecosystems C) The distribution of soil types D) The climate of different regions Answer: A) The variety of life forms on Earth 2. Which of the following is a primary benefit of biodiversity? A) Enhancing ecosystem resilience … Read more

1. What is the primary source of freshwater on Earth? A) Oceans B) Glaciers and ice caps C) Rivers D) Groundwater Answer: B) Glaciers and ice caps 2. What is the process by which water vapor turns into liquid water? A) Evaporation B) Condensation C) Precipitation D) Infiltration Answer: B) Condensation 3. What does ‘hydrologic … Read more

1. What is the primary cause of recent global warming? A) Natural climate variability B) Volcanic eruptions C) Human activities, especially greenhouse gas emissions D) Solar radiation changes Answer: C) Human activities, especially greenhouse gas emissions 2. Which greenhouse gas is most abundant in the Earth’s atmosphere? A) Methane B) Carbon dioxide C) Nitrous oxide … Read more

1. What is the primary goal of waste management? A) To increase waste production B) To minimize waste impact on the environment C) To maximize waste generation D) To store waste indefinitely Answer: B) To minimize waste impact on the environment 2. Which of the following is the most effective method for reducing waste generation? … Read more

1. What is the primary purpose of a scrubber in pollution control? A) To filter particulate matter B) To remove sulfur dioxide (SO₂) from exhaust gases C) To reduce noise pollution D) To capture carbon dioxide (CO₂) in water Answer: B) To remove sulfur dioxide (SO₂) from exhaust gases 2. Which technology is commonly used … Read more