MCQ – GK Questions

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environment medium MCQ Biogeochemical Cycles UPSC, SSC

Which human activity has most significantly altered the global nitrogen cycle?

  1. Deforestation
  2. Use of synthetic nitrogen fertilizers
  3. Urbanization
  4. Mining
environment medium MCQ Biogeochemical Cycles UPSC, SSC

Denitrification in the nitrogen cycle is carried out by which type of bacteria?

  1. Nitrifying bacteria
  2. Nitrogen-fixing bacteria
  3. Denitrifying bacteria
  4. Ammonifying bacteria
environment hard MCQ Biogeochemical Cycles UPSC

Which of the following processes returns carbon to the atmosphere in the carbon cycle?

  1. Photosynthesis only
  2. Respiration, decomposition, and combustion
  3. Sedimentation only
  4. Ocean absorption only
environment medium MCQ Biogeochemical Cycles UPSC, SSC

Which biogeochemical cycle does NOT have a significant atmospheric component?

  1. Carbon cycle
  2. Nitrogen cycle
  3. Phosphorus cycle
  4. Water cycle
environment medium MCQ Sustainable Development UPSC, SSC

Which of the following is a challenge to achieving sustainable development in India?

  1. High literacy rates
  2. Rapid urbanization and population growth
  3. Abundant renewable energy resources
  4. Strong environmental governance
environment medium MCQ Sustainable Development UPSC, SSC

Which of the following is an example of 'Sustainable Agriculture'?

  1. Monoculture with heavy pesticide use
  2. Organic farming with crop rotation and natural pest control
  3. Clearing forests for large-scale farming
  4. Excessive groundwater extraction for irrigation
environment medium MCQ Sustainable Development UPSC, SSC

Which of the following is a key principle of 'Green Building' design?

  1. Maximizing energy consumption
  2. Using non-renewable materials
  3. Water and energy efficiency, and use of sustainable materials
  4. Ignoring local climate conditions
environment medium MCQ Environmental Organizations and Movements UPSC, SSC

Which of the following is a key function of the Central Pollution Control Board (CPCB)?

  1. Granting mining leases
  2. Coordinating State Pollution Control Boards and setting national standards
  3. Managing national parks
  4. Regulating international trade in wildlife
environment medium MCQ Environmental Organizations and Movements UPSC, SSC

Which of the following NGOs is known for its 'Green Schools Programme' promoting environmental education in India?

  1. Centre for Science and Environment (CSE)
  2. The Energy and Resources Institute (TERI)
  3. World Wildlife Fund-India (WWF-India)
  4. Greenpeace India
environment medium MCQ Environmental Organizations and Movements UPSC, SSC

Which of the following is a primary objective of the 'Namami Gange' programme?

  1. Promoting hydroelectric projects on the Ganga
  2. Pollution abatement, conservation, and rejuvenation of the Ganga River
  3. Increasing industrial use of Ganga water
  4. Diverting Ganga water to other river basins
environment easy MCQ Renewable and Non-renewable Energy SSC, Railway

Which of the following is a fossil fuel?

  1. Ethanol
  2. Natural Gas
  3. Hydrogen
  4. Biodiesel
environment medium MCQ Renewable and Non-renewable Energy UPSC, SSC

Which of the following is an advantage of using biofuels over fossil fuels?

  1. Higher energy density
  2. Lower production cost
  3. Potential for carbon neutrality
  4. No impact on food security
environment easy MCQ Renewable and Non-renewable Energy SSC, Railway

Which of the following is a disadvantage of solar energy?

  1. It is a renewable source
  2. It produces no greenhouse gases during operation
  3. It is intermittent and depends on weather/daylight
  4. It has low maintenance costs