Environmental Science MCQs

1. Which of the following is a primary pollutant? a) Ozone b) Sulfur dioxide c) Smog d) Peroxyacetyl nitrate Answer: b) Sulfur dioxide 2. The Air Quality Index (AQI) is used to measure: a) Water quality b) Soil contamination c) Air pollution levels d) Noise pollution Answer: c) Air pollution levels 3. Which gas is … Read more

1. What does soil pH measure? A) The acidity or alkalinity of the soil B) The amount of organic matter in the soil C) The concentration of nutrients in the soil D) The texture of the soil Answer: A) The acidity or alkalinity of the soil 2. Which test is commonly used to determine soil … Read more

1. What is the primary purpose of water quality monitoring? A) To ensure the safety and usability of water for human consumption and ecological health B) To measure the flow rate of rivers C) To estimate the volume of water in a reservoir D) To analyze the color of water Answer: A) To ensure the … Read more

1. What is the primary goal of ecological sampling? A) To collect data for statistical analysis B) To identify rare species C) To estimate population densities and distributions D) To measure soil nutrient levels Answer: C) To estimate population densities and distributions 2. Which sampling method is used to estimate plant species diversity in a … Read more

1. What is the primary purpose of using a quadrat in ecological field studies? A) To measure soil pH B) To estimate plant species diversity and abundance C) To assess air quality D) To collect water samples Answer: B) To estimate plant species diversity and abundance 2. Which method is commonly used to collect soil … Read more

1. What technique is commonly used to measure the concentration of gases in the atmosphere? A) Gas Chromatography B) Mass Spectrometry C) Spectrophotometry D) Atomic Absorption Spectroscopy Answer: A) Gas Chromatography 2. Which method is used for analyzing soil texture? A) Sieve Analysis B) Inductively Coupled Plasma Mass Spectrometry C) Ultraviolet-Visible Spectroscopy D) High-Performance Liquid … Read more

1. What is the primary focus of landscape ecology? A) Study of individual species B) Analysis of environmental policies C) Relationships between spatial patterns and ecological processes D) Management of urban areas Answer: C) Relationships between spatial patterns and ecological processes 2. What term describes a region with distinct environmental conditions that differs from its … Read more

1. What is the primary greenhouse gas responsible for global warming? A) Methane (CH4) B) Carbon Dioxide (CO2) C) Nitrous Oxide (N2O) D) Chlorofluorocarbons (CFCs) Answer: B) Carbon Dioxide (CO2) 2. Which international agreement aims to limit global temperature rise to well below 2°C above pre-industrial levels? A) Kyoto Protocol B) Paris Agreement C) Montreal … Read more

1. What does the term “sociology of the environment” refer to? A) The study of environmental sciences B) The study of the relationship between society and the environment C) The study of environmental policies D) The study of environmental law Answer: B) The study of the relationship between society and the environment 2. Which concept … Read more

1. What is hazardous waste? A) Waste that is recyclable B) Waste that poses a potential threat to public health or the environment C) Waste that is biodegradable D) Waste that is non-toxic Answer: B) Waste that poses a potential threat to public health or the environment 2. Which act regulates hazardous waste management in … Read more