CSS Past Paper 2024 Environmental Science MCQs with Answers | FPSC MCQs for CSS Aspirants скачать в хорошем качестве

CSS Past Paper 2024 Environmental Science MCQs with Answers | FPSC MCQs for CSS Aspirants

In this video, we bring you the CSS Past Paper 2024 MCQs of Environmental Science, complete with detailed answers to help CSS aspirants prepare for the upcoming exams. As you may know, mastering FPSC MCQs for CSS is crucial for clearing the competitive exam, and Environmental Science is one of the vital subjects that requires a solid grasp of key concepts. This video covers important topics that frequently appear in CSS past papers, ensuring that you're well-prepared for what might come in 2024. We have curated MCQs from past papers to reflect the kind of questions that are commonly asked in the CSS exam. Our goal is to assist you in your preparation journey by providing clear explanations of answers, so that you not only memorize the facts but also understand the reasoning behind them. Whether you are revising or learning Environmental Science for the first time, this video will serve as an essential resource. We understand how overwhelming exam preparation can be, and our mission is to simplify that process for you. Make sure to subscribe for more CSS past paper MCQs videos and guides covering a wide range of subjects. Your success in the CSS exam is our priority, and this video will certainly add value to your preparation strategy for 2024. 1. A wide variety of living organisms is called: (A) Biodiversity (B) Population (C) Habitat (D) None of these 2. What percentage of oxygen and carbon dioxide exists in the ecosystem? (A) 20.95% and 0.004% (B) 20.95% and 0.04% (C) 20.0% and 0.40% (D) None of these 3. The set of ecosystems is called: (A) Atmosphere (B) Hydrosphere (C) Biome (D) None of these 4. Acid rain is a result of: (A) Excess amount of CO2 (B) Excess amount of NH3 (C) Excess amount of SO2 and NO2 (D) None of these 5. The greenhouse effect in the atmosphere is produced due to: (A) Absorption and re-emission of infrared radiation by the atmosphere (B) Absorption and re-emission of ultra violet radiation by the atmosphere (C) Absorption and re-emission of visible light by the atmosphere (D) None of these 6. The result of acid disposition is: (A) Dying forests and lakes (B) Acid indigestion in humans (C) Greenhouse effect (D) None of these 7. Biotic component of the environment does not include: (A) Micro-organism system (B) Plant and Animal system (C) Soil system (D) None of these 8. Of the following agents, the one that would not favor conversion of sulfur dioxide to sulfate species in the atmosphere is: (A) Ammonia (B) Water (C) Sunlight (D) None of these 9. The pH of the atmosphere is: (A) Acidic (B) Basic (C) Neutral (D) None of these 10. An association has been found between exposure to ____________________by the inhalation route and lung cancer. (A) Lead (Pb) (B) Chromium (C) Barium (D) None of these 11. NEQ was approved on: (A) 1992 (B) 1993 (C) 1995 (D) None of these 12. The "Ramsar Convention" is an international treaty for the conservation and protection of: (A) Endangered species (B) Biodiversity (C) Wetlands (D) None of these 13. A mutual relationship between two organisms, where both of them are benefitting from watching the other is called: (A) Mutualism (B) Symbiosis (C) Parasitism (D) None of these 14. ________________ often serve as indicator for a threatened ecosystem. (A) Abundant species (B) Endangered species (C) Threatened species (D) None of these 15. Mangrove forests in Asia are largely concentrated in: (A) Pakistan (B) Indonesia (C) Malaysia (D) None of these 16. An individual may die within 2-10 days after exposure to 500 ppm of the following air pollutant: (A) CO2 (B) NO (C) SO2 (D) None of these 17. ______________________is the increasing concentration of toxic substances in organisms as trophic levels increase in a food chain or food web. (A) Bio-magnification (B) Bio-concentration (C) Bio-accumulation (D) None of these 18. What is the order of waste management hierarchy, from most to least favoured? (A) Prevention- Recycle-Reuse- Disposal (B) Prevention-Reuse-Disposal-Recycle (C) Prevention-Reuse-Recycle-Disposal (D) None of these 19. Which gas produced in open dumps from the anaerobic decomposition of biodegradable waste? (A) Ethane (B) Methane (C) Propene (D) None of these 20. Pakistan is divided into ________________agro-ecological zones. (A) 8 (B) 10 (C) 12 (D) None of these #CSS2024 #CSSExam #FPSC #EnvironmentalScience #CSSAspirants #CSSMCQs #PastPapersCSS #CSSPreparation #FPSCExam #CSSPastPapers2024 #CSSEnvironmentalScience #FPSC2024 #CSSExamPreparation #CSSGuide #MCQsforCSS #CSSTraining #CSSEnvironmentalScienceMCQs #CSSEnvironmentalScienceAnswers #CSSExam2024 #CSSFPSC #CSSStudyMaterial #EnvironmentalSciencePastPapers #CSSTestPreparation #CSSPreparation2024 #CSSStudyGuide #CSSMCQs2024 #CSSFinalExam #FPSCEnvironmentalScience #CSSEnvironmentalScienceGuide #CSSMCQPreparation #csstutorial