PRACTICE TESTDirection: Read and examine the sentences then choose the letter of the correct answer.

1. ________ waste breaks down onto natural components and can be recycled into the life cycle naturally.a) bio-chemicalc) biodegradableb) recyclabled) non-biodegradable2. The following are examples of non-biodegradable waste except.a) plasticsc) metalsb) Styrofoamd) papers3. It is a project of DOST for more accurate, integrated and responsive disaster prevention and mitigation especially in high-risk calamity areas of the Philippines. a) PAGASAb) I am Readyb) DOST-Advanced Disaster Programd) Project NOAH4. PAGASA is the official government agency for weather forecasting, flood control, astronomical observations, and time service. PAGASA stands for _______?a) Philippine Atmospheric Geographical and Astronomical Services Administrationb) Philippine Atmospheric Geophysical and Astronomical Services Administrationc) Philippine Atmospheric Geological and Astronomical Services Associationd) Philippine Atmospheric Geophysical and Astronomical Services Association5. Which of the following is a renewable source of energy?a) Geothermal energyc) Wind energyb) Solar energyd) All of the above5. It is a process by which thermal radiation from the earths surface is absorbed by atmospheric greenhouse gases and is re-radiated in all directions.a) Global warmingc) Greenhouse effectb) Ozone Layerd) Solar Radiation6. Nuclear power must be unfavorable because the waste from nuclear reactions is highly fatal to life and unfriendly to the environment.a) Anything that has ill-effects on the ecosystem must be prohibitedb) Waste from nuclear reactors can be disposed safely and efficientlyc) Nuclear scientist have not exerted enough effort to control and dispose the waste from radius safelyd) Measures taken to control and dispose of waste from nuclear reactors have been fruitlesse) Today, technology cannot effectively reduce harmful effects of nuclear waste disposal7. Chlorofluorocarbons are popular as propellants and solvents because they area) reactivec) stable b) solubled) cheape) biodegradable 8. Monoculture cropping or planting a single crop in a large area is not advisable because it-a) promotes pest infestationc) requires more waterb) lowers the water tabled) requires less fertilizerse) causes drought9. Which of the following is the major cause of coral-reef destruction?a) Dynamite fishingc) moro-amib) sewerage pollutiond) siltatione) oil spill10. Putting up dams along rivers negatively affect on marine fishes because _______________.a) less water will flow to the seab) less minerals will flow to the seac) when dams break, the connection wall can be harmful to fishesd) some marine fishes spends part of their life cycle upstreame) some marine fishes need the coral reefs upstream11. It is refers to the organisms whose population has been so reduced that they are threatened with extinction.a) Animal kingdomc) endangered speciesb) biomesd) Communities12. The State shall protect and advance the right of the people to a balanced and healthful ecology in accord with the rhythm and harmony of nature is based on the 1987 Philippine Constitution, on what particular section and article?a) Section 16, article IIc) Section 14, article IIb) Section 18, article IId) Section 15, article II13. It is the primary cause is the use of chlorofluorocarbons, in refrigeration and air conditioning.a) Depletion of the Ozone Layerc) Air pollutionb) Water Pollutiond) Land Pollution14. Effects can be a rise in sea levels, increasing frequency of severe hurricanes, floods, and droughts, and the extinction of plant and animal species.a) Global warmingc) Depletion of the Ozone Layerb) Oil spilld) dynamite fishing15) It is a primary cause is SO2 and NOx emissions. SO2 and NOx gases can be carried in the atmosphere.a) Acid Rainc) water pollutionb) Global warmingd) Depletion of the Ozone Layer16) PHILVOLCS is a branch of DOST to moderate disasters that may arise from volcanic eruptions, earthquakes, tsunami and other related geotectonic phenomena in the Philippines. What is PHIVOLCS?a) Philippine Institute of Volcanology and Seismologyb) Philippine Institute of Volcanic and Seismic Servicesc) Philippine Institute of Volcanic and Seismology Servicesd) Philippine Institute of Volcano and Seismic System17) Use of a limited amount of natural resources so that will dispose only a limited amount of trasha) Reduceb) Re-usec) Recycle d) Segregation18) The term applied to the idea securing the needs of the present without compromising the ability of future generations to meet their own needs.a) Economic Developmentb) Proper Disposal of Garbagec) Sustainable Developmentd) Ecological Balance19) Which part of the atmosphere screens out the harmful radiation from the sun?a) Cloudsc) Stratosphereb) Ozone layerd) Biological control20) All these are foreseen impacts of climate change, exceptA. Reduction of snow cover and likely impact on winter tourism in EuropeB. Sea-level rise that may compromise human settlements on small-island nationsC. The Amazon may partly become a savannah-like vegetationD. Up to 50% reduction of agricultural yields in AfricaE. Increased frequency of acid rain in North America