Environment and Ecology
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Environment and Ecology questions with answers

2,222 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

Read the notes: Greenhouse Effect and Climate Change →

  1. Which gas in the following list is not a greenhouse gasAsked in FINANCE AND ACCOUNTS OFFICER TREASURY OFFICER 2016
  2. Which one of the following is a greenhouse gas?Asked in Forest Officer (RFO) 2018
  3. Which of the following is a greenhouse gas ?Asked in STAFF NURSE UNANI 2023
  4. The Greenhouse effect deals with :Asked in APPSC Group 1 Prelims 2010
  5. Which one of the following statements is true with regard to a greenhouse ?Asked in UPSC CDS 1 2022
  6. Greenhouse gases are known so as:Asked in UPSC Geoscientist 2020
  7. Naturally occurring green house gases keeps the Earth warmer nearly by:Asked in UPSC Geoscientist 2021
  8. Which one of the following is not correct in the context of greenhouse effect?Asked in UPSC Geoscientist 2022
  9. Carbon dioxide absorbs strongly in infrared region and its presence in atmosphere decreases the loss of heat from earth by radiations. This is called :Asked in HPPSC HPAS Prelims 2010
  10. Directions : The following five (5) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below. Statement I : 34. Global warming signifies the rise in global surface temperature. Statement II : The increase of concentration of greenhouse gases in the atmosphere causes the rise in global surface temperature.Asked in UPSC CDS 2 2017
  11. When heat rays are reflected from Earth, gases like Carbon dioxide, Nitrous oxide do not allow them to escape back to the space causing our planet to heat up. These gases are known asAsked in UPSC NDA 1 2015
  12. Consider the following statements :Asked in TSPSC Group 1 Prelims 2022
  13. What is 'Green House Effect"?Asked in UPPCS Prelims 2018
  14. Without green house effect, the average temperature of earth surface would beAsked in UPPCS Prelims 2020
  15. Which of the following is considered to be the optimum concentration of carbon dioxide for natural balance in atmosphere?Asked in UPPCS Prelims 2017
  16. Which one of the following atmospheric changes takes place due to green house effect?Asked in UPPCS Prelims 2017
  17. You placed a car in an open parking area in a summer day. After a few hours, you noticed that the heat is trapped inside the car. This phenomenon is known asAsked in UPSC CAPF 2012
  18. Which one of the following statements with regard to greenhouse effect is correct?Asked in UPSC CAPF 2024
  19. Consider the following statements: Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II : Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation. Which one of the following is correct in respect of the above statements ?Asked in UPSC IAS 2024
  20. The concept of Green house Gases was postulated byAsked in UPPSC Upper Mains 2011
  21. In what rate the temperature of earth's atmosphere is increasing per year due to Green house effect?Asked in WBCS Main Paper 4 2022
  22. Green house effect is warming due toAsked in WBCS Main Paper 4 2022
  23. If there was no CO₂ in the earth's atmosphere, the temperature of earth's surface would beAsked in WBCS Main Paper 4 2022
  24. Green-house effect causes-Asked in ASCO 2014
  25. Which one of the following is a wrong statement ?Asked in ASO 2025