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Next CSE-PPT: 14 March 2027

Environment Management and Protection MCQs

Civil Service Exam reviewer on Philippine environmental laws: solid waste management (RA 9003), Clean Air and Clean Water Acts, the Climate Change Act, protected areas, wildlife, the EIS system and the writ of kalikasan.

20 MCQsUpdated 3 November 2026

Environment Management and Protection is one of the four General Information areas of the Civil Service Exam. This set covers the main Philippine environmental laws, including the Ecological Solid Waste Management Act, the Clean Air and Clean Water Acts, the Climate Change Act, the Expanded NIPAS Act on protected areas, the Wildlife Act and the Environmental Impact Statement system, together with the writ of kalikasan, disaster risk reduction and international agreements such as the Paris Agreement.

Questions usually pair a law with its number, year or main rule. Learn each law with one key provision, for example segregation at source under RA 9003 or the Environmental Compliance Certificate under PD 1586, and you will recognise the correct option quickly.

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  1. 1

    The government agency primarily responsible for the conservation, management and protection of the country's environment and natural resources is the:

    Correct answer: D. DENR

    The Department of Environment and Natural Resources (DENR) is the lead agency for the environment and natural resources. Its Environmental Management Bureau (EMB) enforces pollution laws and issues Environmental Compliance Certificates.

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    easy
  2. 2

    Republic Act No. 9003 of 2000 is known as the:

    Correct answer: A. Ecological Solid Waste Management Act

    RA 9003, the Ecological Solid Waste Management Act of 2000, requires the segregation of waste at source, a Materials Recovery Facility (MRF) in every barangay or cluster of barangays, and the closure of open dumpsites.

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    easy
  3. 3

    Under RA 9003, every barangay or cluster of barangays shall establish a facility for sorting and recovering recyclable and compostable waste, called a:

    Correct answer: C. Materials Recovery Facility (MRF)

    A Materials Recovery Facility receives segregated waste for further sorting, composting and recycling, so that only residual waste goes to sanitary landfills. RA 9003 requires one in every barangay or cluster of barangays.

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  4. 4

    The Philippine Clean Air Act is Republic Act No.:

    Correct answer: B. 8749

    RA 8749, the Philippine Clean Air Act of 1999, sets air quality standards, regulates emissions from vehicles and industries, and prohibits the incineration of municipal, bio-medical and hazardous waste that emits poisonous and toxic fumes.

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  5. 5

    Republic Act No. 9275 of 2004, which aims to protect the country's water bodies from pollution from land-based sources, is known as the:

    Correct answer: C. Philippine Clean Water Act

    RA 9275, the Philippine Clean Water Act of 2004, provides for water quality management, wastewater charges and the designation of water quality management areas. The older Water Code (PD 1067) governs water rights and use.

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  6. 6

    The Climate Change Act of 2009 (RA 9729) created the Climate Change Commission, which is chaired by the:

    Correct answer: B. President of the Philippines

    RA 9729 created the Climate Change Commission as the lead policy-making body on climate change, attached to the Office of the President and chaired by the President, with three commissioners.

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    hard
  7. 7

    Republic Act No. 11038 of 2018, which expanded the system of protected areas in the country, is known as the:

    Correct answer: A. Expanded National Integrated Protected Areas System (ENIPAS) Act

    RA 11038, the Expanded NIPAS Act of 2018, amended the NIPAS Act of 1992 (RA 7586) and declared many more protected areas through an act of Congress, which gives them stronger legal protection than a presidential proclamation.

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    hard
  8. 8

    The law that protects wildlife species and their habitats and penalises the illegal hunting and trading of wildlife is:

    Correct answer: D. RA 9147

    RA 9147, the Wildlife Resources Conservation and Protection Act of 2001, regulates the collection and trade of wildlife and penalises killing, hunting and trading of threatened species. RA 8550 is the Fisheries Code.

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    hard
  9. 9

    Under the Philippine Environmental Impact Statement (EIS) System (PD 1586), a project found to be environmentally sound must obtain a/an:

    Correct answer: C. Environmental Compliance Certificate (ECC)

    PD 1586 of 1978 established the EIS System. Environmentally critical projects, and projects in environmentally critical areas, need an Environmental Compliance Certificate issued by the DENR's Environmental Management Bureau before they can proceed.

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  10. 10

    Republic Act No. 6969 of 1990 regulates:

    Correct answer: C. Toxic substances and hazardous and nuclear wastes

    RA 6969, the Toxic Substances and Hazardous and Nuclear Wastes Control Act of 1990, regulates the importation, manufacture, use and disposal of chemicals that pose a risk to health and the environment.

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    hard
  11. 11

    The writ of kalikasan, under the Supreme Court's 2010 Rules of Procedure for Environmental Cases, is a remedy against environmental damage that:

    Correct answer: B. Prejudices the life, health or property of inhabitants in two or more cities or provinces

    The writ of kalikasan protects the constitutional right to a balanced and healthful ecology against an unlawful act or omission causing environmental damage of such magnitude as to prejudice the life, health or property of inhabitants in two or more cities or provinces.

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  12. 12

    The Philippine Disaster Risk Reduction and Management Act of 2010 (RA 10121) created the council known as the:

    Correct answer: D. NDRRMC

    RA 10121 created the National Disaster Risk Reduction and Management Council (NDRRMC) and shifted policy from disaster response to disaster risk reduction and preparedness. PAGASA and PHIVOLCS are scientific agencies under the DOST.

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  13. 13

    The Tubbataha Reefs Natural Park, a UNESCO World Heritage Site, is located in the:

    Correct answer: C. Sulu Sea, in the province of Palawan

    Tubbataha Reefs Natural Park lies in the middle of the Sulu Sea and is part of Palawan province. It was inscribed as a UNESCO World Heritage Site in 1993 for its pristine coral reefs and marine life.

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  14. 14

    The 3Rs of ecological waste management stand for:

    Correct answer: D. Reduce, Reuse, Recycle

    Reduce, reuse and recycle are, in that order, the preferred ways of managing waste: producing less waste comes first, using items again second and recycling materials third, ahead of disposal.

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    easy
  15. 15

    The international agreement adopted in 2015 that aims to keep global warming well below 2°C above pre-industrial levels is the:

    Correct answer: A. Paris Agreement

    The Paris Agreement of 2015 commits countries to limit global warming to well below 2°C and to pursue efforts to limit it to 1.5°C. The Montreal Protocol (1987) protects the ozone layer, and the Ramsar Convention protects wetlands.

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  16. 16

    The Montreal Protocol of 1987 aims to protect the:

    Correct answer: A. Ozone layer

    The Montreal Protocol phases out substances that deplete the ozone layer, such as chlorofluorocarbons (CFCs) once used in refrigerators and aerosol sprays. It is widely regarded as the most successful environmental treaty.

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  17. 17

    Republic Act No. 11898 of 2022, the Extended Producer Responsibility Act, requires large companies to:

    Correct answer: B. Recover or offset the plastic packaging waste of their products

    The Extended Producer Responsibility Act of 2022 amended RA 9003 to make large enterprises responsible for recovering or offsetting the plastic packaging waste their products generate, with recovery targets that rise year by year.

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    hard
  18. 18

    Earth Day, observed worldwide to raise awareness of environmental protection, falls every year on:

    Correct answer: A. 22 April

    Earth Day is observed on 22 April and was first held in 1970. World Environment Day is 5 June, World Water Day is 22 March and the International Day for the Preservation of the Ozone Layer is 16 September.

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    easy
  19. 19

    The main greenhouse gas released by burning fossil fuels such as coal, oil and natural gas is:

    Correct answer: D. Carbon dioxide

    Burning fossil fuels releases carbon dioxide, which traps heat in the atmosphere and is the largest human contributor to global warming. Methane and nitrous oxide are other important greenhouse gases.

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    easy
  20. 20

    Under RA 9003, separating waste into biodegradable, recyclable, residual and special waste at the point where it is generated, such as homes and offices, is called:

    Correct answer: B. Segregation at source

    RA 9003 makes segregation at source mandatory, so that waste is sorted where it is produced. This makes composting and recycling possible and reduces the waste that ends up in landfills.

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