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Environment (UPSC)

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Environment (UPSC) MCQ & Objective Questions

The "Environment (UPSC)" category is crucial for students aiming to excel in their exams. Understanding environmental concepts not only enhances your knowledge but also significantly boosts your scores. Practicing MCQs and objective questions related to the environment helps in reinforcing key concepts and prepares you effectively for various competitive exams. By engaging with these practice questions, you can identify important areas and improve your exam preparation strategy.

What You Will Practise Here

  • Fundamental concepts of ecology and ecosystems
  • Environmental pollution types and their impacts
  • Climate change and global warming effects
  • Conservation strategies and biodiversity importance
  • Environmental laws and policies in India
  • Renewable and non-renewable resources
  • Key definitions and diagrams related to environmental science

Exam Relevance

The topic of Environment is frequently featured in CBSE, State Boards, NEET, JEE, and other competitive exams. Students can expect questions that assess their understanding of environmental issues, conservation methods, and ecological principles. Common question patterns include multiple-choice questions that test conceptual clarity and application of knowledge in real-world scenarios.

Common Mistakes Students Make

  • Confusing different types of pollution and their sources
  • Misunderstanding the impact of human activities on ecosystems
  • Overlooking the significance of biodiversity and conservation
  • Neglecting to study environmental laws and their implications
  • Failing to relate theoretical concepts to practical examples

FAQs

Question: What are some important Environment (UPSC) MCQ questions I should focus on?
Answer: Focus on questions related to pollution types, conservation strategies, and the impact of climate change.

Question: How can I improve my performance in Environment (UPSC) objective questions?
Answer: Regular practice of MCQs and reviewing key concepts will enhance your understanding and retention.

Start solving practice MCQs today to test your understanding of the Environment (UPSC) topics. This will not only prepare you for exams but also build a strong foundation in environmental science. Embrace the challenge and boost your confidence as you prepare for success!

Q. If a marine ecosystem has a fish population of 5000 and 20% of them are predators, how many predator fish are there?
  • A. 800
  • B. 900
  • C. 1000
  • D. 1100
Q. If a marine reserve has 250 species of fish and 40% are coral reef species, how many coral reef species are there?
  • A. 80
  • B. 90
  • C. 100
  • D. 110
Q. If a river's pollution level decreases from 80 ppm to 20 ppm over 4 years, what is the average annual decrease in pollution level?
  • A. 15 ppm
  • B. 20 ppm
  • C. 10 ppm
  • D. 5 ppm
Q. If a solar panel generates 250 watts and operates for 5 hours a day, how much energy does it produce in a week?
  • A. 8750 watt-hours
  • B. 10000 watt-hours
  • C. 12500 watt-hours
  • D. 15000 watt-hours
Q. If a tree absorbs 22 kg of CO2 per year, how much CO2 will 10 trees absorb in 5 years?
  • A. 1100 kg
  • B. 1000 kg
  • C. 1200 kg
  • D. 1500 kg
Q. If a tree absorbs 50 liters of water per day, how much water will it absorb in a month (30 days)?
  • A. 1,200 liters
  • B. 1,500 liters
  • C. 1,800 liters
  • D. 1,000 liters
Q. If a waste recycling program recycles 60% of the waste produced in a town of 500 tons per day, how much waste is recycled daily?
  • A. 300 tons
  • B. 250 tons
  • C. 200 tons
  • D. 350 tons
Q. If the average car emits 4.6 tons of CO2 per year, how much CO2 do 250 cars emit in a year?
  • A. 1000 tons
  • B. 1150 tons
  • C. 1200 tons
  • D. 1150 tons
Q. In a biodiversity hotspot, 600 species were identified. If 20% are reptiles, how many reptiles are there?
  • A. 100
  • B. 120
  • C. 140
  • D. 160
Q. In a biodiversity study, 200 species were recorded. If 25% were plants, how many were not plants?
  • A. 150
  • B. 160
  • C. 175
  • D. 180
Q. In a coral reef ecosystem, if the number of coral species is 75 and each species supports an average of 10 fish species, how many fish species are supported in total?
  • A. 500
  • B. 600
  • C. 700
  • D. 800
Q. In a lake ecosystem, if the fish population is 1200 and it increases by 15% each year, what will be the fish population after one year?
  • A. 1380
  • B. 1440
  • C. 1500
  • D. 1560
Q. In a savanna ecosystem, if there are 400 herbivores and each herbivore consumes 5 kg of grass per day, how much grass is consumed in a week?
  • A. 14000 kg
  • B. 15000 kg
  • C. 16000 kg
  • D. 17000 kg
Q. In a study, it was found that 5% of a forest's species are endangered. If there are 800 species, how many are endangered?
  • A. 30
  • B. 35
  • C. 40
  • D. 45
Q. In a temperate forest ecosystem, if the average biomass of trees is 300 kg per tree and there are 150 trees, what is the total biomass of the trees?
  • A. 30000 kg
  • B. 45000 kg
  • C. 60000 kg
  • D. 75000 kg
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