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MULTIPLE CHOICE following inventions revolutionized computing and information technology? 1. What was the primary material used in the A. The transistor earliest known for...

MULTIPLE CHOICE following inventions revolutionized computing and information technology? 1. What was the primary material used in the A. The transistor earliest known form of Chinese paper? B. The steam engine A. Bamboo C. The internal combustion engine B. Mulberry Tree Bark D. The electric motor C. Hemp 9. This was invented in the Tang dynasty in the D. Silk ninth century by alchemists searching for an 2. It is a thing or event that existed before or elixir of immortality. logically precedes another A. aeolipile A. Antecedent B. orthinopter B. Precedent C. gun powder C. Technology D. printing press D. History 10. Which Filipino scientist is recognized as the 3. In the Spanish Era, when was the father of botany in the Philippines? Laboratorio Municipal de Ciudad de Manila A. Jose Rizal created? B. Leon Ma. Guerrero A. 1888 C. Apolinario Mabini B. 1878 D. Gregorio Zara C. 1887 11. What was the primary purpose of the Great D. 1787 Wall of China when it was first built? 4. Which invention was created by the A. To symbolize imperial power Mesopotamians for writing and maintaining B. To protect northern borders from invaders business records? C. To serve as a trade route A. Papyrus Sheets D. To showcase Chinese architectural skills B. Ink 12. He was the inventor of the Telegraph in 1844. C. Cuneiform A. Eli Whitney D. Compass B. James Hargreaves 5. This was invented in the Tang dynasty in the C. Tomas Newcomen ninth century by alchemists searching for an D. Samuel Morse elixir of immortality. 13. During the American colonization, which A. aeolipile educational institution aimed to enhance B. orthinopter Philippine scientific knowledge? C. gun powder A. National Research Council D. printing press B. Bureau of Science 6. The Aeolipile, often considered the first C. University of Santo Tomas steam engine, was invented by: D. Laboratory Municipal A. Hero of Alexandria 14. Who is credited with founding the geocentric B. Anaximander model of the universe? C. Ptolemy A. Copernicus D. Aristotle B. Galileo 7. Which of the following is NOT an invention C. Ptolemy during the Industrial Revolution? D. Aristotle A. Telephone 15. He is a Greek engineer, physicist and B. Compass mathematician who created the ancient alarm C. Light bulb clock used by Egyptians. D. Steam engine A. Aristotle 8. The 20th century witnessed B. Ptolemy rapid technological advancements. Which of the  C. Plato widely embraced and accepted by the people D. Ctesibius were challenged and opposed 16. The ancient device used by the Babylonians A. Newtonian Revolution for their numerical system is called B. Freudian Revolution A. Sexagesimal B. Ladder C. Darwinian Revolution C. Chariot D. Plough D. Copernican Revolution 24. This was a research and development 17. During the American colonization, which program undertaken during the WWII to educational institution aimed to enhance produce the first nuclear weapon. Philippine scientific knowledge? A. Project Oppenheimer A. National Research Council B. The Manhattan Project B. Bureau of Science C. Project Trinity C. University of Santo Tomas D. Big Bang Project D. Laboratory Municipal 25. Which of the following pairs is NOT properly 18. What significant advancement did the Bureau matched? of Science in the Philippines focus on during A. China = Acupuncture the American regime? B. India = Ayurveda A. Astronomy research C. Mesoamerica = Mayan calendar B. Tropical diseases D. Middle east = Quipu C. Agriculture 26. Which of the following statements is TRUE D. Industrialization about Id stage-based on Iceberg development 19. The spinning wheel, which revolutionized of Freud? textile production, is believed to have A. This stage uses a high level of reason / originated in: thinking skills. A. China B. India B. Considers the Conscience, Virtue and C. Europe morals D. Mesopotamia C. Pleasure is highlighted when one child 20. The Renaissance is often called a "rebirth" does not satisfy his/her needs. because of its: A. Focus on the afterlife D. All of the above. B. Rediscovery of classical learning and 27. What was the major contribution of the scientific inquiry Copernican Revolution to scientific thought? C. Development of industrial machinery A. The development of the microscope D. Decline in urbanization B. The idea that the Earth revolves around the Sun 21. Greek philosopher who was considered as the C. The discovery of gravity Father of Zoology. D. The classification of plants and animals A. Thales of Miletus 28. In Sigmeund Freud’s types of personality, the B. Pythagoras following characteristics illustrates the Id C. Plato except: D. Aristotle A. Impulsive 22. The invention of gunpowder, which B. Fantasy oriented transformed warfare, is attributed to which C. Irrational ancient civilization? D. Values and moral A. Roman 29. Indian Civilization ideas are known for B. Greek , except. C. Indian A. Manufacturing iron and metallurgical D. Chinese works B. Mandatory education C. Mathematics 23. It is the period where paradigm shifts occurred D. Notable in the field of astronomy. and where scientific beliefs that have been 30. Which paradigm shift is associated with the 36. Which of the following is NOT associated theory of evolution by natural selection? with the intellectual revolutions discussed in A. Copernican the document? B. Freudian A. Meso-American C. Darwinian B. Darwinian D. Meso-American C. Freudian 31. Who proposed the heliocentric model of the D. Newtonian solar system? 37. The Freudian Revolution introduced new A. Galileo Galilei ideas primarily in which field? B. Nicolaus Copernicus A. Physics C. Isaac Newton B. Psychology D. Albert Einstein C. Biology 32. Which of the following is NOT the impact of D. Astronomy the revolutionary ideas of Copernicus? 38. Which intellectual revolution focused on A. The theory that the Earth is not the understanding subconscious motivations and center of the Universe and is not orbited by the structure of the human psyche? other planets, changed peoples perception A. Copernican about the universe. B. Darwinian B. It led to the invention of microscope and C. Freudian development of some medical procedures. D. Asian C. It provided pathways to Scientific 39. The invention of the steam engine by James Revolution and development of scientific Watt was crucial to which historical method. revolution? D. Astronomy advanced with the help of A. Enlightenment scientists like Galileo and Keppler. B. Agricultural Revolution 33. Whose theory proposes that all species of C. Scientific Revolution organisms arise and develop through the D. Industrial Revolution natural selection of small, inherited variations 40. The paradigm shifts in Meso-American, that increase the individual's ability to Asian, Middle Eastern, and African societies compete, survive, and reproduce? primarily focused on: A. Darwin A. Agricultural innovations B. Copernicus B. Philosophical and C. Heidegger societal transformations D. Freud C. Evolution of psychological theories 34. It is the period where paradigm shifts occurred D. Space exploratio and where scientific beliefs that have been 41. The Copernican model challenged the widely embraced and accepted by the people geocentric view of the universe, which was were challenged and opposed primarily supported by: A. Newtonian Revolution A. Galileo Galilei B. Freudian Revolution B. Aristotle and Ptolemy C. Darwinian Revolution C. Isaac Newton D. Copernican Revolution D. Charles Darwin 35. In what way did the Darwinian Revolution 42. What is the unconscious mind, according to impact society? Freud? A. It supported the belief in the divine A. The part of the mind that is aware of creation of species. current thoughts and feelings. B. It introduced a heliocentric model of the B. The part of the mind that is not directly universe. accessible to consciousness. C. It challenged ideas about human origin C. The part of the mind that controls and our place in nature. voluntary actions. D. It promoted the idea of psychoanalysis. D. The part of the mind that is responsible for logical thinking.  C. Micromanagement 43. During which administration was the D. Cross-functional collaboration Department of Information and 51. The Mangyan are indigenous people Communications Technology established? primarily found in which area of the A. Benigno Aquino Philippines? B. Rodrigo Duterte A. Cordillera Region C. Gloria Macapagal-Arroyo B. Mindoro 44. What is one of the main objectives of science C. Palawan and technology education in the Philippines? D. Visayas A. To train professionals for international 52. One challenge faced by the Philippine science migration education system is: B. To promote artistic endeavors A. Lack of interest in C. To contribute to nation-building international collaboration D. To create entertainment platforms B. Shortage of resources and facilities 45. During this period, religion, mathematics, C. Overfunding of research programs reading and writing, music and arts, and health D. Declining global reputation and sanitation were mandated in schools. of researchers A. Commonwealth Period 53. What role does science and technology play B. Spanish Colonial in nation-building? C. American Colonization A. Preserving traditional practices D. Pre-Colonization B. Driving innovation and economic growth 46. In which colonization did the National C. Reducing emphasis on education Research Council of the Philippines be D. Limiting globalization established? 54. What is one significant impact of Freudian A. Spanish Colonization ideas on society? B. American Colonization A. Revolutionizing modern agriculture C. Japanese Colonization B. Introducing the concept D. Indian Colonization of psychoanalysis and therapy 47. What is a key historical focus of science and C. Inventing the telescope technology in the Philippines? D. Discovering new celestial bodies A. Developing luxury goods 55. A major research priority for the Philippines B. Advancing sustainable agriculture to address national needs includes: C. Competing in space exploration A. Space missions D. Promoting colonial trade routes B. Renewable energy solutions C. Entertainment technology 48. Which government effort aims to enhance D. Global luxury trade scientific literacy among young Filipinos? 56. During this administration, RA 10844 or the A. Balik Scientist Program Department of Information and B. Project NOAH Communication Technology was passed. C. K-12 Science Curriculum A. Fidel Ramos Administration D. National Disaster Risk Reduction Plan B. Estrada Administration 49. Which sector is most impacted by research C. Benigno Aquino Administration and development breakthroughs in the D. Duterte Administration Philippines? 57. During this administration,RA 8293 or the A. Space exploration Intellectual Property Code of the Philippines B. Digital marketing was mandated. C. Agriculture and health A. Fidel Ramos Administration D. Tourism and hospitality B. Estrada Administration C. Benigno Aquino Administration 50. Which of the following behaviors can hinder D. Duterte Administration innovation in an organization? 58. What historical event emphasized the need for A. Encouraging experimentation science and technology in the Philippines? B. Celebrating failures A. Industrial Revolution B. Colonization by Spain  C. World War II initiative that emphasizes science, technology, D. Digital Age transformation engineering, and mathematics (STEM)? A. Sustainable Development Goals 59. The following were advancements during the B. Millennium Development Goals Mayan civilization, except: C. ASEAN Integration A. Calendar system D. K to 12 Program B. Road system C. Mayan hieroglyphics 67. Which concept refers to technology shaping D. Hydraulics system the way humans perceive the world? 60. Based on the branch of life science, which of A. Instrumental Good the following do not belong to the group? B. Enframing A. Genetics B. Electricity C. Intrinsic Good C. Evolution D. Biodiversity D. Ultimate Good 68. Coined the word Eudaimonia 61. Which government effort aims to enhance A. Aristotle scientific literacy among young Filipinos? B. Charles Darwin A. Balik Scientist Program C. Immanuel Kant B. Project NOAH D. Epicurus C. K-12 Science Curriculum D. National Disaster Risk Reduction Plan 69. The real threat of technology comes from its 62. How does improving science and technology ? education contribute to nation-building? A. activities A. By reducing cultural diversity B. essence B. By preparing a workforce for global C. destining competition D. bringing forth C. By emphasizing non-technical disciplines 70. What is the ultimate goal of critiquing human D. By focusing solely on theoretical flourishing in the context of technological research progress? A. To develop new technologies 63. Which of the following practices is most that improve life expectancy. associated with the Igorot's agricultural B. To define the meaning of the good life expertise? for individuals. A. Slash-and-burn farming C. To eliminate ethical dilemmas in robotics. B. Terrace farming D. To implement stricter policies against C. Plantation agriculture technology misuse. D. Industrial farming 71. According to this Philosopher, ”happiness not pleasure should be the standard of utility”. 64. During , Filipinos were engaged in A.Epicurus B. Immanuel Kant extraction, smelting and refining of iron from C. Aristotle D. John Mill ores, until the importation of cast iron from 72. What are the categories of "good" discussed Sarawak and later from China. in the context of science and technology? A. Pre-Colonial Era A. Philosophical, Practical, Ethical B. Spanish Era B. Intrinsic, Instrumental, Ultimate C. Iron Age C. Economic, Social, Environmental D. Commonwealth Period D. Historical, Logical, Empirical 65. Which government initiative supports science 73. It is the term used by Heidegger to describe and technology in the Philippines? the way modern technology reveals itself by A. Tax exemptions for international imports exploiting nature, extracting something from B. Establishment of research councils it, and then transforming it. C. Reduction in higher education funding A. Challenging-forth D. Limiting collaboration with private B. Bringing-forth sectors C. Saving power 66. The Philippines’ science education reforms D. Causality were significantly influenced by which global 74. What does the discussion on robotics and continuing straight into a crowd of elderly humanity primarily address? people. Which ethical dilemma does this A. The history of robotics in industrial scenario present? applications. A. Job displacement B. The ethical dilemmas arising from robot B. Privacy concerns integration into society. C. Autonomous weapon systems C. The technical challenges of building D. Moral decision-making autonomous robots. 81. Which philosophical concept encourages D. The financial cost of robotic innovations. students to find meaningful lessons from 75. In a hospital, what is an ethical concern of history in the context of science and using robots for patient care? technology? A. Robots could operate without error A. Enframing B. Robots might lack empathy, impacting B. Human Flourishing patient interaction C. The Good Life C. Robots increase hospital costs D. Destining D. Robots are too fast 82. Coined the word Eudaimonia 76. Which of the following roles is NOT played A. Aristotle by a robot? B. Charles Darwin A. Make life more efficient and less stressful C. Immanuel Kant B. Understand human behavior D. Epicurus C. Perform complicated tasks 83. What are "The Three Laws of Robotics" D. Ease workload and mankind meant to address? 77. Which aspect of local governance is A. Economic efficiency in robotic systems. emphasized in the context of technological B. Ethical and moral guidelines for robot development? behavior. A. Advancing technology for economic C. The design principles of growth. artificial intelligence. B. Developing policies that protect D. Technological advancements in robotic individual well-being. engineering. C. Encouraging international technological collaboration. D. Funding scientific research and innovation. 84. Refers to the technology that transmits D. sit amet information as light pulses along a glass or 78. According to Heidegger, technology is plastic fiber. challenging forth when A. Fiber Cable A. it is for extracting something from B. Satellite nature, storing it, and distributing it C. Wireless Broadband B. it is brought out of concealment D. Fiber Optics C. it is revealed in nature 85. Who is often credited with the invention that D. it brings about change causally marks the start of the Information Age? 79. Which school of thought in philosophy A. Alan Turing teaches that a good life is attained by B. Johannes Gutenberg understanding and accepting that we cannot C. Steve Jobs control external events, only our own D. Claude E. Shannon responses? 86. Which technological advancement in the A. Rationalism 1970s significantly contributed to the B. Utilitarianism development of the Information Age? C. Existentialism A. The World Wide Web D. Stoicism B. Personal computers 80. A self-driving car is programmed to prioritize C. Fiber-optic cables human life. In a sudden emergency, it must D. The Internet choose between swerving to avoid a child and 87. Which is NOT a technological advancement 93. How has social media impacted business during the digital age? recruitment practices? A. utilization of fiber optics cables A. Reduced the importance of personal B. development of faster microprocessors referrals C. adoption of electronic mail B. Allowed recruiters to engage with a D. use of analog memory system wider pool of candidates 88. Who published a landmark paper proposing C. Replaced traditional interview methods that information can be quantitatively encoded with online tests as a series of ones and zeroes, and is known as D. Eliminated the need for job postings on the Father of Information Theory? websites A. Harry Nyquist 94. What term describes the phenomenon where B. Claude Shannon individuals excessively rely on rapid data C. Ralph Hartley processing instead of critical thinking? D. Ludwig Boltzmann A. Data procrastination 89. Which of the following factors is a threat to B. Intellectual dependency the life of humanity? C. Lazy analytics A. Environmental problems like D. Data-driven intellectual laziness pollutions that leads to climate change. 95. When was the printing press invented? A. 13th century B. The disposal of solid wastes in to the B. 14th century bodies of water generates a microplastic that C. 15th century mixes in the oceans and seas. D. 16th century C. Air pollution coming from the factories 96. What could be a potential concern for young in the metropolitan areas that contributes to students in an age of easy access to the airspaces can lead to the health problems information? pertaining to respiratory / lung diseases A. improved academic achievement B. Relying on information retrieval rather D. All of the above. than critical thinking 90. What challenge is described as "paralysis C. Reduced access to resources. through analysis"? D. Improved information security. A. Lack of innovation in technology 97. What is one of the consequences of excessive development social media use in workplaces? B. Delayed decisions due to an overload of A. Higher employee satisfaction information B. Improved team collaboration C. Inability to encode data effectively C. Decreased productivity D. Poor management of corporate IT D. Enhanced data sharing among teams systems 98. How has Claude E. Shannon's 91. This serves as a disruptive age for traditional work influenced the Information Age? media such as books, publishing, the music A. By developing the first industry and more? personal computer A. digitization B. By creating the World Wide Web B. computerization C. By laying the foundation for digital C. analog transparency communication and data transmission D. emails D. By inventing the first smartphone 92. What could be a potential concern for young 99. What was one major drawback of "big data" students in an age of easy access to approaches mentioned in the document? information? A. It decreased overall efficiency A. improved academic achievement in companies B. Relying on information retrieval rather B. It allowed the confirmation of any than critical thinking hypothesis, whether valid or not C. Reduced access to resources. C. It was unable to integrate with existing D. Improved information security. technological systems  D. It increased the cost of data storage 106. The nanostructure like figure can be seen significantly on. 100. What is a common risk associated with A. Telescope B.Microscope sharing personal information on social media? C. Eyeglasses D. Magnifying glass A. Increased difficulty in finding 107. A branch of technology that deals with the employment manipulation and study of matter at the B. Vulnerability to crimes like identity nanoscale. theft and stalking A. Nanostructures C. Losing access to the platform B. Nanotechnology D. Higher chances of encountering online C. Nanometer advertisements D. Nanometry 101. How has social media changed traditional 108. Which of the following is an example of friendships according to the document? natural nanostructures? A. It eliminated physical meetings entirely A. Steel cables A. It eliminated physical meetings entirely B. Multilayered butterfly wings B. It expanded the definition of "friends" C. Fossilized remains to include virtual connections D. Wooden fibers C. It replaced face-to-face communication 109. A cosmetic company uses nanoparticles in with video calls exclusively products. What ethical issue should it D. It reduced the overall number of consider? friendships people maintain A. Cost reduction C. It replaced face-to-face communication B. Testing for skin safety and long-term with video calls exclusively effects D. It reduced the overall number of C. Decreasing product quality friendships people maintain D. Shortening product shelf life 102. What is one of the consequences of 110. What is a primary focus excessive social media use in workplaces? of nanotechnology research? A. Higher employee satisfaction A. Developing virtual reality tools B. Improved team collaboration B. Creating innovative products in C. Decreased productivity medicine, transportation, and computing D. Enhanced data sharing among teams C. Designing large-scale 103. He is known as the father of Information agricultural machinery Theory. D. Expanding the Industrial Revolution’s A. Johannes Gutenberg impact B. George Devol 111. Golden rice is a genetically modified crop C. Claude E. Shannon plant where the incorporated genes are meant D. Jonathan Chait for biosynthesis of 104. Which term refers to misinformation A. Beta-carotene or Vitamin A spread on social media to intentionally deceive B. Vitamin B people? C. Vitamin C A. Clickbait D. Vitamin D B. Viral Marketing 112. What does the term GMO stand for? C. Data Breach A. General Modified Operations D. Fake News B. Genetically Modified Organisms C. Gene Molecular Operations 105. The following are stakeholders when it D. Genetically Managed Organisms comes to the decision-making and regulation 113. How small is a “nanometer”? matters related to GMOs, except: E A. one thousandth of a meter A. Risk Analysts B. one millionth of a meter B. Environment C. one billionth of a meter C. Biotechnology firms D. one trillionth of a meter D. Ecologists 114. What is the purpose of genetically modifying Golden Rice?  A. To make rice resistant to herbicides B. Nanotechnology B. To enhance its vitamin A content C. Nanometer C. To improve its growth in cold climates D. Nanometry D. To reduce its water requirements 123. Gene therapy involves: 115. Which of the following is an important A. Introducing genetic material into cells contribution of nanotechnology in medicine? to treat diseases. A. Advanced diagnostic and imaging tools B. Modifying a person's diet to treat B. Technologies cleaning groundwater sources genetic disorders. C. Pollution-mitigating technologies C. Using drugs to target specific genes. D. Energy-efficient apparatuses D. Surgically removing defective genes. 116. How many nanometers are there in a piece 124. What is a major ethical concern related to of paper? germline gene therapy? A. 80,000 nanometers A. It requires federal funding to proceed B. 100,000 nanometers B. It only targets older individuals C. 1,000,000 nanometers C. It can pass genetic modifications to D. 1,000,000,000 nanometers future generations 117. Which of the following is an important D. It eliminates all genetic diversity in contribution of nanotechnology in medicine? humans A. Advanced diagnostic and imaging tools 125. What trait has been genetically engineered B. Technologies cleaning groundwater sources into Bt corn? C. Pollution-mitigating technologies A. Drought tolerance D. Energy-efficient apparatuses B. Resistance to the European corn borer 118. Which of the following is a common C. Higher nutritional content vector used in gene therapy? D. Improved flavor A. Bacteria 126. What is a major ethical concern related to B. Modified viruses germline gene therapy? C. Algae A. It requires government funding D. Fungi to proceed 119. Nanoparticles are often used in sunscreens B. It only targets older individuals for their ability to: C. It can pass genetic modifications to A. Increase the need for frequent application future generations B. Block the sun entirely, preventing all D. It eliminates all genetic diversity in UV exposure humans C. Create stronger chemical reactions when exposed to the sun D. Absorb UV radiation more efficiently 127. RA 8749 is also known as without leaving a visible residue A. Philippine Clean Water Act 120. Lorem ipsum dolor sit amet, consectetur B. Water Code of the Philippines adipiscing elit. Sed id odio libero. C. Philippine Clean Air Act A. Lorem D. Sanitary Code of the Philippines B. ipsum 128. Which is the following is the most C. dolor environmentally preferred pollution D. sit amet prevention method? 121. Lorem ipsum dolor sit amet, consectetur A. reducing waste at the source adipiscing elit. Sed id odio libero. B. treatment of waste A. Lorem C. ultimate disposal B. ipsum D. recycling C. dolor 129. Which element is considered the largest D. sit amet source of world's commercial energy 122. A branch of technology that deals with the consumption? manipulation and study of matter at the A. coal nanoscale. B. natural gas A. Nanostructures C. oil  D. nuclear C. Exporting the electronic waste to a 130. Which of the following is a potential country with less stringent environmental ethical question surrounding gene therapy? regulations. A. How to make it universally accessible D. Recycling the electronic waste to without high costs recover valuable materials. B. How to mass-produce it for consumer use 137. Which of the following is a major source C. How to eliminate regulatory restrictions of greenhouse gases? on its development A. Organic farming D. How to quickly apply it to all diseases B. Fossil fuel consumption 131. An act of providing for an ecological solid C. Recycling waste management program, creating D. Renewable energy necessary institutional mechanisms and 138. Which of the following factors is a threat incentives, declaring certain acts prohibited, to the life of humanity? and providing penalties, appropriating funds A. Environmental problems like therefore, and other purposes. pollutions that leads to climate change. A. RA 9275 B. The disposal of solid wastes in to the B. DAO 2016-008 bodies of water generates a microplastic that C. RA 9003 mixes in the oceans and seas. D. RA 7160 132. What is the environmental impact of a C. Air pollution coming from the community that prioritizes recycling? factories in the metropolitan areas that A. Decreased waste in landfills contributes to the airspaces can lead to the B. Increased plastic production health problems pertaining to respiratory / C. More resource extraction lung diseases D. No impact on waste D. All of the above. 133. What is the primary goal of sustainability? A. Maximizing resource extraction 139. What is the environmental impact of a B. Conserving resources for future community that prioritizes recycling? generations A. Decreased waste in landfills C. Increasing fossil fuel consumption B. Increased plastic production D. Promoting rapid urbanization C. More resource extraction 134. This refers to the environmental impact of D. No impact on waste a person, community, or population to its 140. What does the “ecological space and environment. footprint” measure? A. biocapacity A. The land area used for B. ecological footprint urban development C. ecological impact B. The environmental impact of D. carbon footprint an individual or population 135. Which practice is not part of ecological C. The number of species in a region solid waste management? D. The amount of water used for irrigation A. Segregation at source 141. According to the document, what is the B. Recycling and composting effect of climate change on biodiversity? C. Open dumping A. Increased biodiversity in polar regions D. Segregated transportation and treatment A. Increased biodiversity in polar regions 136. A community is experiencing a significant B. Loss of species and dramatic decline in increase in electronic waste. Which of the biodiversity following is the most environmentally C. Stabilization of ecosystems responsible way to manage this waste? D. Growth of new ecosystems A. Burning the electronic waste to reduce C. Stabilization of ecosystems its volume. D. Growth of new ecosystems B. Dumping the electronic waste in a 142. What is the purpose of the Philippine landfill. Clean Water Act (RA 9275)? A. Encourage urban development near water sources  B. Promote the use of water for industrial B. They ensure better environmental and purposes health standards. C. Protect and preserve the quality of the C. They require less planning and design. country’s water resources D. They can only be used in rural areas. D. Mandate the construction of new 150. The melting of glaciers and polar ice caps reservoirs is primarily caused by: 143. RA 9275 is also known as A. Overfishing A. Sanitary Code of the Philippines B. Ocean acidification B. Philippine Clean Air Act C. Habitat restoration C. Water Code of the Philippines D. Global warming D. Philippine Clean Water Act 144. Which of the following is not considered a biodegradable waste? A. Vegetable peelings B. Aluminum cans C. Domestic sewage D. Paper 145. Which of the following factors is a threat to the life of humanity? A. Environmental problems like pollutions that leads to climate change. B. The disposal of solid wastes in to the bodies of water generates a microplastic that mixes in the oceans and seas. C. Air pollution coming from the factories in the metropolitan areas that contributes to the airspaces can lead to the health problems pertaining to respiratory / lung diseases D. All of the above. 146. What is the main disadvantage of open dumpsites? A. High construction cost B. Contribution to urbanization C. Risk to public health and environmental damage D. Difficult maintenance requirements 147. Which practice is not part of ecological solid waste management? A. Segregation at source B. Recycling and composting C. Open dumping D. Segregated transportation and treatment 148. What happens when atmospheric carbon dioxide levels increase significantly? A. Increased water purity B. Stabilized global temperatures C. Rising sea levels and melting glaciers D. Reduction in extreme weather events 149. What is the advantage of sanitary landfills over open dumpsites? A. They are cheaper to construct.