QUESTIONS AND ANSWERS
What,will,most,likely,be,the,result,if,all,the,mitochondria,are,removed,from,a,plant,cell?,
A.,It,will,be,unable,to,carry,out,respiration,
B.,It,will,lose,water,through,osmosis,
C.,It,will,break,down,the,ribosomes,in,the,cell,
D.,It,will,be,unable,to,photosynthesize,-,ans-✔✔It,will,be,unable,to,carry,out,respiration
What,process,best,explains,how,a,nerve,cell,and,a,muscle,cell,can,both,develop,from,the,s
ame,fertilized,egg?
A.,Differentiation,
B.,Natural,selection
C.,Selective,Breeding,
D.,Genetic,engineering,-,ans-✔✔Differentiation
During,Strenuous,exercise,,body,temperature,increases.,The,body,responds,to,the,increa
se,in,temperatures,by,sweating,,which,helps,to,reduce,body,temperature.,Which,is,demon
strated,in,this,situation?
A.,Excretion
B.,Metabolism
C.,Homeostasis,
D.,Synthesis,-,ans-✔✔Homeostasis
Before,mitosis,begins,,which,happens,before,the,nucleus,starts,dividing?,
A.,The,cytoplasm,separates
B.,The,DNA,replicates,
C.,The,sister,chromatids,separate,
D.,The,homologous,chromosomes,cross,over,-,ans-✔✔The,DNA,replicates
What,is,the,function,of,autotrophs,in,the,carbon,cycle?
A.,to,use,oxygen,to,produce,glucose
B.,to,take,in,excess,water
, C.,to,use,carbon,dioxide,to,produce,glucose
D.,to,feed,on,herbivores,-,ans-✔✔To,use,carbon,dioxide,to,produce,glucose
Two,different,populations,of,birds,live,in,the,same,area,and,eat,the,same,types,of,food.,Wh
ich,most,likely,describes,the,relationship,between,these,two,populations,of,birds?,
A.,competition
B.,mutualism
C.,parasitism
D.,predator-prey,-,ans-✔✔Competition
What,will,most,likely,happen,if,the,human,population,continues,to,grow,at,current,rates?,
,A,.,There,will,be,fewer,natural,resources,available,for,future,generations.
,B.,There,will,be,an,increase,in,nitrogen,levels,in,the,atmosphere.
,C.,There,will,be,a,decrease,in,water,pollution.
,D.,There,will,be,an,increase,in,the,number,of,strong,hurricanes.,-,ans-
✔✔There,will,be,fewer,natural,resources,available,for,future,generations.
A,strand,of,DNA,has,these,bases:
,AGC,CAT,GTA,TAC
,What,is,the,complementary,DNA,strand?
,A.,ACG,GAT,CTA,TAG
,B.,TCG,GTA,CAT,ATG
,C.,TGC,CTA,GAT,ATC
,D.,UCG,CUA,CAU,AUG,-,ans-✔✔TCG,GTA,CAT,ATG
Which,statement,best,describes,the,relationship,that,exists,among,proteins,,DNA,,and,cell
s?
,A.,Proteins,combine,to,produce,cells,,which,produce,DNA.
,B.,Proteins,are,made,up,of,DNA,,which,determines,the,cells,that,are,produced.
,C.,DNA,is,made,up,of,proteins,,which,tell,a,cell,how,to,function.
,D.,Cells,contain,DNA,,which,controls,the,production,of,proteins.,-,ans-
✔✔Cells,contain,DNA,,which,controls,the,production,of,proteins.
Why,is,meiosis,important,for,sexual,reproduction?
,A.,It,allows,the,zygote,formed,from,fertilization,to,have,triple,the,chromosome,number,of,th
e,organism.
B.,It,allows,gametes,to,have,twice,the,original,number,of,chromosomes,of,the,organism.
,C.,It,allows,gametes,to,have,half,the,original,number,of,chromosomes,of,the,organism.
,D.,It,allows,the,zygote,formed,from,fertilization,to,have,half,the,original,number,of,chromos
omes,of,the,organism.,-,ans-
✔✔It,allows,gametes,to,have,half,the,original,number,of,chromosomes,of,the,organism.