1. Human activities, such as the burning of fossil fuels, cycle carbon through the carbon cycle. Which other process(es) also participate(s) in the carbon cycle? a. nitrogen fixation by bacteria on legume roots b. evaporation of water vapor into the atmosphere c. movement of organic phosphates through the food web d. biological processes such as photosynthesis . !lephants are not the most common species in "frican grasslands. #he grasslands contain scattered woody plants, but their numbers are limited by the elepha elephants nts.. $emovi $emoving ng the elepha elephants nts causes causes the grassla grasslands nds convert to forests or shrublands which support fewer species than the previous grasslands. !lephants can be defined as what type of species in this community? a. producer b. dominant c. redundant d. %eystone &. Which of the following is the '!# example of the biological principle of structural adaptations? a. igs igs hav have lit litters ters.. c. #here here are many bre breeds eds of dogs dogs.. b. na% na%es es eat eat frog frogs. s. d. *act *actii need needle less are are modi modifified ed bran branch ches es.. +. n humans, carbon dioxide and water -uic%ly combine to form carbonic acid in the presence of a particular enyme. /ost li%ely, this same enyme a. helps in the brea%down of acidic foods in the stomach. b. is not involved in other types of reactions because enymes are specific. c. is not involved in other reactions where the temperature and pH are the same. d. helps in the synthesis of sugars during photosynthesis. 0. "ll life on !arth interacts with the nonliving environment and exists in a region region %nown %nown as the biosph biosphere ere.. ntera nteracti ctions ons within within the biosph biosphere ere produc producee a web web of interd interdepe epende ndence nce betwee betweenn organi organisms sms and the environmen environmentt in which they live. Which levels of biological biological organiation organiation includes all the others listed? a. biom biomee b. ecos ecosys yste tem m c. popu popula latition on d. comm commun unitityy . "long the northern edge of the temperate one are dense evergreen forests of coniferous trees(not bearing fruit). #hese biomes are called boreal forests, forests, or a. tundra. b. savanna. c. taiga. d. desert. 2. Which biome is correctly correctly paired with a factor factor or organism organism that is found found ther there? e? a. bore boreal al fore forest st 3 mos mosss c. temp temper erat atur uree for fores estt 3 prai prairie rie dog dog b. tund tundra ra 3 perm ermafro afrost st d. gra grass ssla land nd 3 bea bearr 4. " wetland is an ecosystem in which water either covers the soil or is present at or near the surface of the soil for at least part of the year. Wetland areas are under government protection because they are a. inexpensive building sites. c. important for shipping companies. b. very limited limited in number number.. d. breeding breeding grounds grounds for for many organism organisms. s. 5. #he photic one in marine ecosystems is important because a. it provides a habitat for chemosynthetic organisms. b. it is the layer where photosynthesis ta%es place. c. it is an area free from predator6prey relationships. d. all the organisms in this layer are consumers. 17. "utotrophs are organisms that a. rely on other organisms for their energy and food supply. b. consume plant and animal remains and other dead matter. c. use energy they ta%e in from the environment to convert inorganic molecules into complex organic molecules. d. obtain energy by eating plants. 11. #he cowbird lays its eggs in other birds8 nests. When the cowbird egg hatches, the 9parents: feed the cowbird along with their own young, which the young cowbird then pushes out of the nest. #his is an example of a. mutualis lism. b. predation ion. c. parasit sitism. d. commensalism. sm. 1. " population is a group of individuals that belong to the same species and live in the same area. Which of the following would increase the sie of population? a. increased mortality c. decreased immigration b. increased emigration d. increased natality 1&. #o measure the population density of monarch butterflies occupying a particular par%, 177 butterflies are captured, mar%ed with a small dot on a wing, and then released. #he next day, another 177 butterflies are captured including the recapture of 7 mar%ed butterflies. ;ne would correctly estimate the population to be a. 177. b. 77. c. 077. d. 1 777. 1+. 1+. f a popu popula latition on grow growss larg larger er than than the the carr carryi ying ng capa capacit cityy of its its environment, the a. death rate may rise. c. death rate may fall.
10. " species that enters an environment where it has not lived before a. always goes extinct. d. will have no effect on the new environment. b. mates with other species living there. c. may not have natural enemies there. 1. "ustralian %oalas eat only the leaves of eucalyptus trees. f all the eucalyptus trees were destroyed, what might happen to the %oalas? a.
or five years, he watered and observed the tree. "t the conclusion of his experiment, he discovered that the tree had gained 20 %ilograms, while the mass of the soil was almost unchanged. " reasonable conclusion van Helmont could ma%e based on his data is that a. plants obtain food from the soil. b. plants convert soil compounds into new plant c ells. c. plants obtain their food from a source other than water. d. plants may use water as a source of building materials. 14. n addition to light and chlorophyll, photosynthesis re-uires a. water and oxygen. c. oxygen and carbon dioxide. b. water and sugars. d. water and carbon dioxide. 15. #he leaves of a plant appear green because chlorophyll a. ref refle lect ctss blue blue and and ora orang ngee ligh light. t. c. ref refle lect ctss gree greenn light light.. b. absorb absorbss blue blue and orange orange light. light. d. absorb absorbss green green light. light. 7. #he products of photosynthesis are a. sugars and oxygen. c. water and carbon dioxide. b. suga sugars rs and and carb carbon on diox dioxid ide. e. d. hydr hydrog ogen en and and oxyg oxygen en.. 1. Humans, mon%eys, and apes are all primates because they share common traits. Humans differ from primates because a. they can wal% upright. c. they use speech. b. they have larger brains. d. all of these . #hroughout the history of life on !arth, which factor has probably been the chief cause of the extinction of species? a. human interference with the natural environment b. failure to adapt to the environmental change c. com competi petiti tioon wit withhin spe species cies d. vo volcan lcanic ic erup erupttions ions &. Mycobacterium leprae causes causes lepros leprosyy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes comma causes a. tetanus. b. tuberculosis. c. cholera. d. pneumonia. +. ;ne day you wa%e with a sore throat and a runny nose. our doctor ta%es a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most li%ely reason for the doctor@s statement? a. Having waited a day, it is too late to ta%e an antibiotic. b. ou need an antiseptic, not an antibiotic. c. ou ou need to be vaccinated instead of ta%ing an antibiotic. d. ou are infected by a vi rus. 0. " male male three6 three6spi spined ned stic%l stic%leba ebac% c% fish will will attac% attac% male male red6be red6bellie lliedd stic%lebac%s and models of fishes that have a red underside. t will not attac% males or models that do not have a red underside. What is the best conclusion that can be drawn from the behavior of this fish? a. #he stimulus for an attac% is a fish with red fins. b. #he stimulus for an attac% is a red underside. c. #he stic%lebac% fish will defend its territory against all other fish. d. #he stic%lebac% fish will not attac% red6colored fish. . #wo organs are considered to be part of the same body system if the organs a. are located next to each other. b. wor% independently of each other. c. wor% together to carry out a life function. d. are made up of cells with organelles. 2. ome infectious diseases are spread from one person to another throug throughh coughi coughing, ng, sneei sneeing, ng, or physic physical al contac contact. t. ;ther ;ther infect infectiou iouss diseases are spread through contaminated water or food. "nimals that carry disease6carrying organisms from person to person are called a. pathogens. b. antigens. c. vectors. d. bacteriophages. 4. Which statement describes one effect of a fever? a. t increases the growth of pathogens. b. t decreases the rate of chemical reactions. c. t increases the heart rate. d. t decreases the number of white blood cells. 5. What are the two most common gases in the atmosphere? a. hydrogen and oxygen c. oxygen and nitrogen b. nit nitrrogen an and wa water va vapor d. hyd hydrrogen an and ni nitrogen
a. the amount of nitrogen b. the amount of dissolved calcium carbonate c. the amount of potassium d. the amount of dissolved oxygen &1. What is the largest source of freshwater on !arth? a. the oceans c. polar ice caps and glaciers b. the atmosphere d. la%es and rivers &. Which of the following is a common groundwater problem in coastal areas? a. saltwater contamination c. high sulfur content b. contamination by crude oil d. excessive recharge &&. Which of the following is C;# true of oone? a. t absorbs ultraviolet radiation. b. ts concentration is decreasing or thinning. c. t is concentrated in the atmospheric layer called the mesosphere. d. t is a gas formed by the addition of one oxygen atom to an oxygen molecule. &+. How can garbage be disposed off without destroying the oone layers of the atmosphere? a. burn it b. throw it into rivers c. compost it d. give it to collector &0. Why is deforestation often lin%ed to global warming? a. t increases the amount of dry land on !arth8s surface. b. t releases toxic gases and pollutants into the atmosphere. c. t increases the amount of *; released into the atmosphere. d. t decreases the amount of *; released into the atmosphere. &. Deologists consider volcanism as a building process because it a. adds materials to the crust. b. builds volcanoes. c. moves crystal materials from place to place. d. destroys properties of man. &2. ;f !arth8s surface waters, what percent is freshwater available for human use? a. 52 percent b. & percent c. less than 1 percent d. 1 percent &4. What is the ultimate source of most energy on !arth? a. tides b. radioactivity c. the un d. the mantle &5. Which of the following is a renewable resource? a. oil b. natural gas c. trees d. coal +7. Why do we have the sun rise in the east? a. the earth rotates cloc%wise b. the sun is located in the east c. the earth rotates countercloc%wise d. the earth revolves towards the east +1. Which of the following is the correct order? a. waning crescent, third -uarter, waning gibbous, new moon b. waxing gibbous, full moon, waning gibbous, third -uarter c. new moon, waning gibbous, first -uarter, waning crescent d. waxing crescent, new moon, waning crescent, first -uarter +. #ides, caused by the moon8s gravity create a frictional force that is gradually slowing down earth8s rotation speed. ;ne million years from now, scientists may discover that compared today, !arth8s a. day is longer. b. year is shorter. c. day is shorter. d. year is longer. +&. f the /oon were passing directly between the un and !arth, thereby bloc%ing our view of the un, what would we be experiencing on !arth? a. a lunar eclipse b. a solar eclipse c. umbra d. penumbra ++. When a solid bloc% of material is cut in half, the density is a. unchanged. b. halved. c. doubled. d. tripled. +0. Euring the process of photosynthesis, oxygen is given off as a by6 product. #he oxygen comes from? a. carbon dioxide and water c. water and not from *; b. water and nitrogen d. *; and not from water +. "dding sodium chloride to water will cause the a. boiling point to rise and the freeing point to fall. b. boiling point to fall and the freeing point to rise. c. vapor pressure to rise and the freeing point to rise. d. vapor pressure to fall and the freeing point to rise. +2. Which process is represented by the following descriptionA 9sugar is added to water and sweet li-uid results after stirring:? a. melting b. evaporation c. dissolving d. oxidation +4. ublimation refers to a. the vaporiation of a solid without first becoming a li-uid. b. the melting of a solid. c. the vaporiation of a li-uid. d. the condensation of a gas into a li-uid.
+5. oft drin%s consist of a mixture of water, sugar, and flavoring, with carbon dioxide gas bubbled through it. Which of these ingredients would be considered the solvent? a. sugar b. water c. flavoring d. carbon dioxide 07. When a scientist performs an experiment, the factor being tested is called the a. control. b. variable. c. hypothesis d. theory 01. 'umili ng sabon si /ary. afeguard ang sabon na ito. a. 'umili ng sabon na afeguard si /ary. b. abon na afeguard ang binili ni /ary. c. 'umili ng sabong afeguard si /ary. d. 'umili nang sabong afeguard si /ary. 0. /arami ang nanood ng peli%ulang 9
"ng mga tao ay nagbulong6bulungan ngunit ni isa ay walang ma%atutol nang hayagan sa ipinag6utos ng haring mabagsi% na ay wala pang %atarungan sa %anyang pamamahala. 7. 9"ng utos ng hari ay hindi mababali.: pinahihiwatig nitong a. maaari pang mabago ang desisyon ng hari b. walang maaaring sumuway s autos ng hari c. maaaring pagbigyan ng hari ang ilan d. ipa%u%ulong ng hari ang sinumang lalabag sa %anyang utos 1. /ahihinuhang ang mga tao ay a. may paghanga sa %a%ayahan ng hari b. may sama ng loob sa hari c. hindi sang6ayon sa pamamala%ad ng hari d. a at c
b. >ree 3 ndependent d. residential 3 ndependent 25. #he power of the resident to administer laws and enforce their due observance. a. executive b. legislative c. military d. Ludicial 47. $esult brought about by rapid globaliationA a. 'orderless trade b. $apid development of information and communication technology c. Cew threats to human security in both rich and poor countries d. $ich becoming richer and poor becoming poorer 41 $epublic "ct M 21& establishes a code of conduct and ethical standards for public officials and employees, upholding the time 3 honored principle of public office as a public trust. a. *ode of rofessionalism and !thical 'ehavior b. *ode of rofessional 'ehavior and !thics c. *ode of *onduct N !thical tandards for ublic ;fficials N !mployees andigan ng %aunlaran ng bansa at tulay sa pag6unlad ang wi%a. to ay d. *ode of ublic #rust and !thical tandards nagpapalawa% sa li%as na %arunungan na siyang haligi sa patuloy na pag6 4. #hey are rights intended to ensure the well6being and economic unlad ng %ultura at %abihasnan. security of the individual. "mong them are the right to property and Lust . "lin sa mga sumusunod ang pangunahing diwa ng talata? compensation. a. ang haligi ng %ultura at %abihasnan ay %arunungan a. ocial and !conomic $ights c. *ultural $ights b. uunlad lamang ang bansa %ung lubusan nitong itata%wil ang wi%ang b. *ivil $ights d. *onstitutional $ights dayuhan 4&. t is an armed contention between public forces of a state and other c. ang pag6unlad ng %ultura at %abihasnan ay na%asalalay sa sariling belligerent communities. wi%a. a. peace b. war c. assembly d. conflict d. ang li%as na marunong ay tumatang%ili% sa sariling wi%a. 4+. #he way how a political actor views his environment and the various &. "ng paglala%bay GGGG /agellan noong 101 ang nagging dahilan %ung stimuli within. ba%it na%ilala ang ilipinas sa ibang bansa. a. perception b. attitude c. values d. authority a. ni b. daw c. sa d. para %ay 40. ublic officials and employees shall perform and discharge their duties +. inatay GGG mga Hapones si ose "bad antos nang tanggihan niyang with the highest degree of excellence, intelligence and s%ills, render ibunyag ang lihim ng mga %ilusang ilipino laban sa %anila. public service with the outmost devotion and dedication to duty. a. namin b. ng c. nang d. noong a. rofessionalism c. $esponsibility 0. GGGG mo naman sa %anila na magdala ng mapagsasaluhan. b. *ommitment d. Eevotion a. Isapin b. Isap6usapan c. pa%iusap d. a%iusap 4. #he capacity of an actor to compel or influence other factors to alter . GGGG suliranin ng pagtaas ng presyo ng gasolina ang pinapa%sa ng their behavior or to do what they would not do otherwise. pulong sa %asalu%uyan. a. power b. attitude c. values d. influence a. Hinggil %ay b. "yon %ay c. Hinggil sa d. "yon sa 42. #he general powers of the upreme *ourt is Oare 2. Eumating ang Jola GGGG %ami8y nagdiwang. a. to settle disputes c. to administer Lustice a. %aya b. %ung c. marahil d. siguro b. to interpret the laws d. all of these 4. "ng pagbabara ng mga estero ay dulot GGGGG walang pa%undangang 44. #he power of the people to propose amendment to the constitution or pagtapon ng basura. to propose and enact legislations through an election called for that a. rin b. ng c. nating d. nila purpose. 5. /apapadali ang ating gawain GGGG tayo ay magtutulung6tulungan. a. initiative c. referendum a. upang b. %ung c. %ahit d. ngunit b. plebiscite d. recall 27. Hindi maaaring ibilanggo ang sino man dahil GGGG %anyang 45. t is the declaration and enumeration of the individual rights and pag%a%autang. privileges which the *onstitution is designed to protect against violations a. na b. ng c. nang d. sa by the government, groups, etc. 21. 'a%it hindi mo GGGGG ang dumi sa iyong mu%ha ? a. *ivil $ights c. 'ill of $ights a. pahirin b. pahiran c. pinahid d. ipinahid b. olitical $ights d. *onstitutional $ights 2. Hindi %o maaaring GGGG ang silid na iyan sapag%at %asalu%uyang 57. t signifies that 9all persons subLect to legislation shall be treated ali%e, nilalagyan pa ng floor wax. under li%e circumstances, and conditions both in the privileges conferred a. walisan b. winalis c. walisin d. wawalis and liabilities imposed.: iliin ang tamang pangungusap a. 'ill of $ights c. olitical $ights 2&. b. *onstitutional $ights d. !-ual rotection of Jaw a. Cama%yaw sa paleng%e ng mga prutas ang tindera. 51. #o govern is to rule and the government rules by laws. Whose main b. Cama%yaw ng paleng%e sa mga prutas ang tindera. duty is the enforcement of laws? c. Cama%yaw sa paleng%e ang tindera ng mga prutas. a. olice department c. udiciary department d. a paleng%e ang tindera nama%yaw ng mga prutas. b. !xecutive department d. Jegislative department 5. #hey are the rights of the citiens which the law will enforce at the 2+. instance of private individuals for the purpose of securing their
b. !lectoral =ote d. >reedom to *hoose 5. t is the power to apply the laws to contests or disputes concerning legally recognied rights or duties between the tate and private persons brought before the Ludicial tribunals. a. !xecutive owers c. Jegislative owers b. udicial owers d. !mergency owers 52. t sets down in une-uivocal terms the mandate that all government officials and employees, shall at all times, be answerable for their misconduct to the people. a. $ights b. ublic #rust c. $esponsibility d. "ccountability 54. Which government branch has the duty to ascertain and give effect to the intent of the *onstitutional provisions as adopted by its framers? a. #he upreme *ourt c. #he House of $epresentatives b. #he enate d. #he residency 55. #he 9$ule of the /aLority: is an unwritten law of a democratic government. >or the *ongress to declare the existence of a state of war or to call a constitutional convention, GGGGG vote of all its8 respected members is re-uired. a. imple /aLority c. /inority b. #wo6thirds /aLority d. *oncurring 177. #his constitutional principle means that no man in the country, not even the government, is above or beyond the law. a. $ule of the /aLority c. 'ill of $ights b. $ule of Jaw d. $epublican Jaw 171. What is the -uotient when (6+7)(&) is divided by (64)(67)? a. 64 b. 6 c. 6+ d. 4 17. >ind
given that x P 1, y P , and P .
a.
b. &
c. 0
d. 5
17&. Which of the following numbers give a remainder of when divided by 0 and a remainder of 1 when divided by +? a. 2 b. 1 c. 12 d. &1 17+. #he expression 9x Q +: can be translated as GGGG. a. 9the sum of x N four: c. 9the s-uare of the sum of x N four: b. 9the sum of the s-uare of x N four:d. 9the s-uare of x N four: 170. When x P 6& and y P 61, which of the following has the largest value? a. 11y b. 0xy c. x Q y d. 3+(x Q y) 17. What two numbers whose sum is 17 will have the largest product possible? a. 5& N 22 b. 41 N 25 c. 47 N 47 d. 57 N 27 172. What is a. &
? b. &
c. 5
d. &
174. $odia can cross6stitch a design for 17 days while =essy can do the same Lob in 10 days. How long will they finish the Lob if they help each other? a. 0 days b. days c. 4 days d. 17 days 175. roduct of the sum of (6 10) N (0) by the difference between (615) and (61+). a. 670 b. 607 c. 607 d. 3 07 117. !valuate 60 Q R6 S 6 +TS 6 +TU 3 R x (6&) Q 14U. a. 611 b. 6+ c. 67 d. 5 111. What is & 1O subtracted from 0 O&? a. V b. O c. & V d. & O 11. f the radius of a circle is doubled, which is not true about the circle? a. #he area of the new circle is four times the original. b. #he circumference of the new circle is twice the original. c. #he area of the original circle is doubled. d. #he area of the circle increases. 11&. f a hen lays one and three6fourths doens of eggs, how many eggs will be harvested from & hens? a. 0.0 b. & c. +4 d. 7 11+. Which of these is a correct proportion? a. & A 0 P 0 A 17 c. 1 V A P 0A2 b. 2A17 P 10A14 d. + A 5 P A +1O 110. f 0 apples weigh as much as & mangoes, how many mangoes will weigh as much as +0 apples? a. 2 b. &7 c. &0 d. +7 11. f a triangle is e-uiangular, then the measure of each angle is GGGG. a. +07 b. 77 c. 577 d. 1777 112. s a -uadrilateral with exactly one pair of parallel sides? a. rhombus b. s-uare c. trapeoid d. rectangle 114. Which of these is a %ind of triangle as to length of sides?
b. calene #riangle d. &767657 #riangle 115. f b and p are positive integers, which of the following is always a WH;J! number? 6p p p 6p a. 1Ob b. (1Ob) c. 1Ob d. b 17. Which is e-ual to 1 x 17 10? a. 177 777 777 777 777 c. 17 777 777 777 777 777 b. 1 777 777 777 777 777 d. 177 777 777 777 777 777 11. Jablab is 0 years older than Ino. f Ino8s age three years ago was n 3 &, then Jablab8s age at that time can be represented as a. n 3 4 b. n Q 4 c. n Q d. n 3 1. #ranslate into an algebraic e-uation using only x as a variableA Fifteen is six more than two times a certain number . a. (x Q ) P 10 b. x P () Q 10 c. x Q P 10 d. x Q () P 10 1&. What is the complete prime factoriation of 2? a. & x & b. 4 x 5 c. & x + d. all of these 1+. f y is an odd integer, which if the following is an even integer? a. y 3 b. y c. y 3 d. y 3 y 10. Write an algebraic expression for the perimeter of a rectangle with sides of length J and width W. a. J Q W b. J Q W c. JW d. VJW 1. How many composite numbers are greater than &7 but lesser than 07? a. 15 b. 1& c. 1+ d. 7 6+ 12. >ind the value of (60) . a. 0 b. 7 c. 60 d. 1O0 14. What is the least number which when rounded off to the nearest hundredths gives +1.+? a. +1.&0 b. +1.+71 c. +1.+0 d. +1.&5 15. What value will satisfy the e-uation 0x Q 2 P &x 3 5? a. x P 61 b. x P 4 c. x P 17 d. x P 64 1&7. What is the reciprocal of two and two6eighths? a. 5O+ b. +O5 c. O0 d. 0O 1&1. perennial a. persisting for several years c. complete b. formed into a body or association d. hesitant in acting 1&. ex-uisite a. holding conventional beliefs c. indigenous b. Lust born d. carefully selected 1&&. brevity a. enthusiasm c. short or concise expression b. something %nown to be true d. a strong feeling or emotion 1&+. contort a. to move bac% c. to name for office b. to twist into abnormal shape d. to persuade 1&0. revo%e a. to explain using pictoral examples b. to call bac%, to withdraw c. to say what will happen in the future d. to remember an important event through ceremony 1&. consecutive a. dependent on something else b. unbelievable c. following in an unbro%en order d. mar%ed by a long period of time 1&2. stance a. the physical features of an area b. a way of standing, a position, an attitude c. truthfulness, accuracy d. at the same time 1&4. obstruct a. to give spirit or support c. to involve b. to bloc% or prevent d. to trust another person 1&5. feasible a. marital relationship c. hard to do b. capable of being done d. capable of flowing 1+7. phantom a. a base for something c. a ghost b. act of moving d. a person who has previously ta%en a position that another has ta%en over 1+1. GGGG shall say is calling? a. who b. whom c. whose d. who8s 1+. GGGG hour ago we met GGGG history teacher. a. a, an b. a, a c. an, a d. an, an 1+&. entences can be bro%en down into GGGG. a. periods b. predicates c. obLects d. clauses
1++. *harles and GGGG are attending the conference. a. me b. c. myself d. mine 1+0. Homophones are GGGG. a. two or more words that share the same pronunciation but have different meanings. b. two or more words that share the same meaning but have different pronunciations c. two or more words that share the same spelling but have different meanings d. two or more words that share the same pronunciation but have different spellings 1+. Jove, courage, and childhood are examples of GGGG nouns. a. proper b. abstract c. relative d. countable 1+2. /icrosoft announced GGGG releasing a new product next wee%. a. it is b. they are c. itself is d. she is 1+4. We need three GGGG and two GGGG for the soup. a. fungi, potatos c. fungis, potatoes b. fungus, potatoes d. fungi, potatoes 1+5. "dverbs can modify GGGG. a. nouns b. adLectives c. pronouns d. sentences 107. #he boy GGGG threw the ball was blond. a. himself b. that c. which d. who