Pretest in Grade 9 Science

PRETEST/POST TEST in Grade 9 SCIENCE Directon: Wrie he leer of he correc anser in !o"r #a#er$ #a#er$ %$ In ha #ar of he res#iraor! s!se& does 'as e(chan'e occ"r) a$ l"n's *$ al+eoli c$ dia#hra'& d$ *ronchial "*es ,$ Which *od! s!se& is res#onsi*le for 'as e(chan'e in he *od!) a$ e(cre creor or! ! s!se& *$ end endocri ocrine ne s!se& c$ res#i es#irraor! or! s!se& d$ ine'" e'"&en &enar! ar! s!se& -$ Wha *lood +essel carries aa! *lood fro& he he ar) a$ +eins *$ areries c$ +en"les d$ ca#illaries .$ In hich #ar of he hear ill he deo(!'enaed deo(!'enaed *lood ener fro& he oher #ars of he *od!) a$ le ari"& *$ ri'h +enricle c$ inferior +ena ca+a d$ s"#erior +ena ca+a 0$ 1n addict+e dr"' #resen in o*acco s&o2e is 33333333333$ a$ ar *$ nicotne c$ car*on &ono(ide d$ h!dro'en c!anide 4$ 1lleles a #artc"lar locatons are called333333333333$ a$ 'ene *$ allele d$ 'ene loc"s d$ locaton of rai 5$ If an e'' ce ll is fertli6ed *! a s#er& ih 7 chro&oso&es8 ha ill *e is os#rin') a$ &ale *$ fe&ale c$ eiher &ale or fe&ale d$ neiher &ale nor fe&ale $ Which of he folloin' is he ;1IN ca"se of ildlife e(tncton) a$ s#eciaton *$ deforesaton c$ ha*ia desr"cton d$ #rod"cton of #lastcs 9$ Phoos!nhesis is a #rocess of food &a2in' done *! #lans and a"oro#hic or'anis&s$ Where does #hoos!nhesis #hoos!nhesis a2es #lace) a$ cell all *$ c!o#las& c$ chloro#las d$ &iochondrion %<$ Cell"lar res#iraton *rea2s don or'anic &olec"les for he #rod"cton of 1TP$ TP$ Where can !o" =nd his #rocess) a$ cell all *$ c!o#las& c$ chloro#las d$ &iochondrion %%$ Who is he #ro#onen of he n"clear &odel of he ao&) a$ >ohr *$ Schrodin'er c$ R"herford d$ So&&er=eld %,$ Wha is #ro+en *! he ao&ic s#ecra of he ele&ens) a$ The a ao& is is elecricall! char'ed$ c$ The elecrons ar are ne ne'at+el! char'ed$ *$ The n"cle"s n"cle"s is he he cenral core of he he ao& d$ The elecrons elecrons of he ao& e(is e(is in de=nie de=nie ener'! le+e le+e %-$ When an elecron 'oes ino a hi'her ener'! le+el8 i is said o *e3333333333$ a$ sa*le *$ in 'ro"nd sae c$ in is e(cied sae d$ canno *e deer&ined %.$ Calci"& ?Ca@ hich is a &eal co&*ines ih chlorine ?Cl@8 a nonA&eal #rod"cin' calci"& chloride ?CaCl,@$ Wha 2ind of che&ical *ond e(iss *eeen he&) a$ ionic *ond *$ co+alen *ond c$ &eallic *ond d$ #olar co+alen *ond %0$ Which #air of ao&s co&*ines *! sharin' elecrons) a$ Na Na ao& ao& and and B ao& ao& *$ C ao& ao& and and O ao& ao& c$ Ca Ca ao& ao& and and Cl Cl ao& ao& d$ R* R* ao& ao& and anohe anoherr R* ao& %4$ Which of he folloin' solids cond"c elecrici! and hea) a$ ice *$ I, cr!sals c$ iron &eal d$ s"'ar cr!sals %5$ Wha is he #ro#er! of &eal acco"ns for he for&aton of ionic *ond) a$ d"ctli! *$ &allea*ili! c$ hi'h &eltn' #oin d$ lo ioni6aton ener'! %$ Which elecronAdo for&"la o"ld re#resen he ao& of o(!'en ?O@ hich is a &e&*er of 'ro"# I1Achalco'ens) a$

%9$ To hich 'ro"# of h!drocar*on does he &olec"le ih he sr"c"re *elo *elon's) 

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a$al2ane *$ al2ene c$ al2!ne d$ alcohol ,<$ Which of he folloin' is he si&#les for& of e(#ressin' he relat+e n"&*er and 2ind of ao&s in a &olec"le of a co&#o"nd) a$ &olec"lar for&"la *$ e&#irical for&"la c$ "aliat+e for&"la d$ "antat+e for&"la ,%$ Which of he folloin' is NOT associaed ih e(#losi+e er"#ton of +olcanoes) a$ hi'h silica conen *$ hi'h aer conen c$ hi'h e&#era"re of &a'&a d$ hi'h h"&idi! inside he earhFs s"rface ,,$ ;$ >"l"san has er"#ed recenl!$ Wha can !o" sa! a*o" ;$ >"l"san) a$ dor&an *$ e(tnc c$ act+e d$ e(#losi+e ,-$ D"rin' er"#ton8 a +olcano hr"ss o" dieren o*ecs and s"*sances$ Which of he folloin' #rod"cs of er"#ton can ca"se da&a'e o he en+iron&en &os es#eciall! o he #eo#le) a$ Ha+a e#hra *$ aer8 roc2  &"d c$ ash  'ases d$ all of he a*o+e ,.$ Wha is a +olcano) a$ he hi'hes #ea2 in a &o"nain ran'e c$ a characer on a sar re2 *$ a Ja s"rface on he earhFs cr"s d$ a hin s#o in he earhFs cr"s ,0$ Which of he folloin' is he *es #ractce o red"ce ne'at+e eecs of cli&ae chan'e) a$ "sin' of &oor*i2es *$ #ractcin' he -RFs c$ *"rnin' of #lastc d$ ani&al #rod"cton ,4$ The farher !o" ra+el aa! fro& he e"aor he cooler i 'es$ Wh! is his so) a$ his is *eca"se he Earh is c"r+ed haFs h! i is ho a he e"aor and +er! cold a he #oles *$ his is *eca"se he tltn' of he earh is oo fas c$ his is *eca"se he s"n ra!s hiKn' he earh a hi'her lat"de are s#read o" o+er a concenraed area d$ his is *eca"se o+er he e"aor he ra!s are no rando&l! s#read o" ino s&aller area ,5$ ;an! #eo#le +isi he s"&&er ca#ial of he Phili##ines hich is >a'"io Ci! d"rin' s"&&er da!s *eca"se of is cold eaher$ Which of he folloin' sae&ens e(#lain he #heno&enon) a$ *eca"se of lat"de *$ *eca"se of alt"de c$ *eca"se of o#o'ra#h! d$ *eca"se of disance fro& he ocean ,$ >ri'hness of he sars de#ends on he folloin' facors ELCEPT8 a$ he e&#era"re of he sar c$ he sarFs si6e *$ he sarFs disance fro& he earh d$ he densi! of he sar ,9$ Wha ill ha##en if an e(cessi+e air #oll"an in he a&os#here s"ch as SO,8 CO,8and NO,) a$ contn"o"s cli&ae chan'e c$ e&#era"re ill J"c"ae fro& t&e o t&e *$ relat+e h"&idi! loered d$ Green o"se Eec occ"r -<$ 1s e o*ser+e d"rin' ni'h t&e8 he sars in he s2! see& &o+in'$ Which of he folloin' e(#lains his #heno&enon) a$ *eca"se he ni'h s2! is 2ee# on &o+in' c$ *eca"se of he roaton of he earh aro"nd is a(is *$ *eca"se he "ni+erse is consanl! e(#andin' d$ *eca"se a 'ro"# of sars releases l"&ino"s conen -%$ Wha is #roectle &oton) a$ I is co&#osed of he hori6onal co&#onens onl! *$ I is co&#osed of he &oton of a freel! fallin' o*ec onl!$ c$ I is he co&*inaton of +ertcal co&#onens and free fall$

d$ I is he co&*inaton of he "nifor& hori6onal &oton and free fall$ -,$ Wha is he sha#e of he raecor! of a #roectle) a$ hori6onal *$ inclined c$ #ara*olic d$ +ertcal --$ o does he an'le of #roecton associaed ih he +ertcal disance or &a(i&"& hei'h a consan s#eed) a$ The 'reaer he an'le of #roecton8 he lesser he &a(i&"& hei'h *$ The 'reaer he an'le of #roecton8 he 'reaer he +ertcal disance c$ The lesser he an'le of #roecton8 he ' reaer he &a(i&"& hei'h d$ The lesser he an'le of #roecton8 he lesser he +ertcal disance -.$ Wha are he o for&s of #oental ener'!) a$ elastc8 n"clear *$ elecrical8 li'h c$ 'ra+iatonal8 elastc d$ che&ical8 'ra+iatonal -0$ 1 he insan he o*ec o"ches he 'ro"nd8 ha are he PE and ME res#ect+el!) a$ < and 9$<  *$ < and 0$  c$ -9$,  and < d$ 9$<  and < -4$ Which of he folloin' is he Birs Ha of Ther&od!na&ics &os relaed o) a$ conser+aton of ener'! c$ &assA ener'! e"i+alence *$ conser+aton of &ass d$ &echanical en+iron&en -5$ 1ccordin' o her&od!na&ics8 hich for& of ener'! is considered ase) a$ che&ical *$ elecrical c$ hea d$ solar -$ 1n inernal co&*"ston en'ine ha+in' a her&al ecienc! of -< #rod"ces a -8<<<  of or2 $ o &"ch is he INPQT ener'! ) -9$ Which of he folloin' is he #rocess of #rod"cin' elecrici! *! &o+in' a cond"cor hro"'h a &a'netc =eld or a &a'ne hro"'h a cond"ctn' coil) a$ elecrici! 'eneraton c$ elecro&a'netc ind"cton *$ elecrici! rans&ission d$ elecro&a'netc cond"cton .<$ Which of he folloin' is he #ri&ar! facor in #oer loss d"rin' rans&ission of elecrici!) a$ e&#era"re J"c"atons c$ resisance of lon' rans&ission lines *$ lo +ola'e in rans&ission lines d$ disance *eeen #oer #lan and s"*satons

Pre#ared *! : IBB7 GR1CE ;1NITO ;ORTEH   Teacher