This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Aerosols”. 1. Formation of aerosols by nucleation produces particles of size __________ a) Less than 0.1 micron b) Greater than 0.1 micron c) Less than 1 micron d) Greater than 1 micron 2. The size of aerosol particles formed mechanically is minimum … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Acid Rain”. 1. Below which of the following pH is rain regarded as ‘acid rain’? a) 7 b) 7.3 c) 5.6 d) 6 2. Glass containers are generally not preferred for sampling rain water. Why? a) Glass containers are expensive b) Glass … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Particulates”. 1. What is the size range of respirable suspended particulate matter? a) Less than 1 micrometre b) Less than 10 micrometre c) Less than 100 micrometre d) Less than 0.1 micrometre 2. Air-borne particulates are classified as group 1 carcinogens. a) … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Ozone Depletion”. 1. What is the average concentration of ozone in the ozone layer of the atmosphere? a) Nearly 100% b) Greater than 90% c) Between 10-50% d) Less than 10ppm 2. Who discovered the ozone layer? a) Henri Buisson & Charles … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Greenhouse Gases – 2”. 1. The GWP depends on which of the following factors? a) Absorption capability of IR radiations b) Atmospheric life-time c) Range of IR wavelengths it can absorb d) All of the mentioned 2. Which of the following mentioned … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Greenhouse Gases – 1”. 1. By how much has atmospheric carbon dioxide concentration increased ever since the Industrial Revolution? a) 20% b) 10% c) 40% d) 60% 2. Which is the most abundant greenhouse gas in the atmosphere? a) Carbon dioxide b) … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Climate Model”. 1. What would have been the average temperature of Earth without greenhouse gases? a) 0oC b) -7oC c) -9oC d) -19oC 2. Ever since the industrial revolution, by how much has the average temperature of the Earth increased? a) 0.24oC … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Atmosphere”. 1. At what concentration (in ppm), is nitrogen present in the atmosphere? a) 780,840 b) 390,420 c) 78,084 d) 900,000 2. In the lower layers of atmosphere, what range of wavelengths of light is predominant? a) Less than 100 nm b) … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Quality”. 1. Which plant helps in detection of pollution from automobile exhaust? a) Neem b) Tulsi c) Lichen d) Lettuce 2. Which of the following plants aid as an indicator to ozone pollution? a) Tomato b) Tobacco c) Watermelon d) All … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Meteorology”. 1. What does the word ‘meteorology’ define? a) Study of meteors and asteroids b) Study of measurements and instruments c) Study of chemical properties of metals d) Study of the weather and atmospheric changes 2. What is a … Read more
