soalan pep pertengahan tahun f4 biologi 2015

8/18/2019 Soalan Pep Pertengahan Tahun f4 Biologi 2015

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This question paper consists of two sections: Section A and Section B.

Kertas soalan ini mengandungi dua bahagian: Bahagian A dan Bahagian B.

Section A

Bahagian A

[60 marks / markah]

Answer all questions in this section.

Jawab semua soalan dalam bahagian ini.

P Q

R

S

T

DIARA! "

". Dia#ra$ show or#ane%%s P& Q& R and S in p%ant ce%% and T is sper$ ce%% in hu$an. Rajah menunjukkan organel P,Q,R dan S dalam sel tumbuhan dan T ialah sel sperma.

'a('i( )a$e or#ane%s P& Q& R and S.

amakan organel P, Q R dan S.

P : *****************

Q : *****************

R : *****************

S : *****************. [+ marks]

'ii( State the function of R and S.

"

,

-in#aran !itoondrion

)uc%eus



'/( i9e e5a$p%e for so%utions 7& , and 8.

(erikan )ontoh larutan 7&, dan 8.

i. So%ution 7: arutan 7:

---------------------------------------------------------------------- [" $ar]

ii. So%ution ,: arutan ,:

----------------------------------------------------------------------

[" $ar]

iii. So%ution 8: arutan 8:

----------------------------------------------------------------------

[" $ar]

'c(Descri/e the condition of the strips that are i$$ersed in the fo%%owin# so%utions.Terangkan keadaan jaluran !ang direndam dalam larutan berikut :

i. So%ution 7: arutan 7:

-----------------------------------------------------------------------

[" $ar]

ii. So%ution 8: arutan :

-----------------------------------------------------------------------

[" $ar]

'd(i. 45p%ain 2our answer in 'c(i.

Jelaskan jawapan anda di 'c(i.

------------------------------------------------------------------------

[ $ars]

ii. 45p%ain 2our answer in 'c(ii.

Jelaskan jawapan anda di 'c(ii.

------------------------------------------------------------------------

[ $ars]

+



;.Dia#ra$ ; shows the action of an en<2$e on a su/strate.

Rajah menunjukkan tindakan suatu en*im terhadap substrat.

Dia#ra$ ; = Rajah

'a(1hat does 7 in Dia#ra$ ; represent3

%pakah !ang diwakili oleh 7 pada Rajah 0

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[" mark ]

'/(State two properties of en<2$es which are shown in Dia#ra$ a/o9e.

!atakan dua si"at en*im !ang ditunjukkan pada Rajah di atas.

". >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[ marks]

'c(State two other properties of en<2$es which are not shown in Dia#ra$ ?.

!atakan dua lagi si"at en*im !ang tidak ditunjukkan pada Rajah 1.

". >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[ marks]

'd(The e5p%anation of the action of an en<2$e on a su/strate as shown in Dia#ra$ ; a/o9e is

/ased on a h2pothesis. 1hat is this h2pothesis ca%%ed3

2uraian tentang tindakan suatu en*im terhadap substrat seperti !ang ditunjukkan pada

Rajah di atas adalah berdasarkan pada satu hipotesis. %pakah hipotesis itu0

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[" mark =]

?



'e(Dia#ra$ + is a #raph which shows the effect of te$perature on the rate of a reaction

cata%2sed /2 pepsin.

Rajah 3 ialah satu gra" !ang menunjukkan kesan suhu terhadap kadar tindak balas !ang

dimangkinkan oleh pepsin.

Dia#ra$ + = Rajah 3

'i( 1hat is the te$perature& t& which is shown in Dia#ra$ +3

%pakah suhu, t, !ang ditunjukkan pada Rajah 30

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[" mark ]

'ii( 45p%ain 2our answer in 'e('i(.

2uraikan jawapan anda di 'e('i(.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[" mark ]

'iii(1h2 is there no reaction at 60@3

4engapakah tiada tindak balas pada suhu 60@3

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[" mark ]

'f( Pepsin is found in the #astric uice which is secreted /2 the sto$ach. 1hat is the opti$u$

pB for the action of pepsin3 Pepsin ditemui dalam jus gaster !ang dirembes oleh perut. %pakah pB optimum bagi

tindakan pepsin0

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[ mark ]

6



'e( 'i( State two si$i%arities /etween si$p%e diffusion and faci%itated diffusion.

!atakan dua persamaan di antara resapan ringkas dengan resapan

berbantu.

*******************************

*******************************

*******************************

[ marks]

'f( 45p%ain wh2 fish is preser9ed usin# sa%t so%ution.

Terangkan mengapa larutan garam digunakan untuk mengawet ikan.

*******************************

*******************************

*******************************

*******************************

[; marks]



Section B

Bahagian B

[+0 marks / markah]

Answer an2 two questions fro$ this section.

Jawab mana5mana dua soalan daripada bahagian ini.

6.

C.

'a('i(

1ha

t is

an

en<2

$e3

%pa

kah

en*i

m0[

$ar

s]

'ii(Discuss the #enera% characteristics of en<2$es.

(in)angkan )iri5)iri umum en*im.

[ $ars=]

'/( 45p%ain how en<2$es are s2nthesised in the ce%%s.

Terangkan bagaimana en*im disintesis di dalam sel.

["0 $ars]

Dia#ra$ shows three different t2pes of ce%%s. Rajah 6 menunjukkan tiga jenis sel .

Dia#ra$ = Rajah 6

'a( i. )a$e the ce%%s %a/e%%ed 7& , and 8 in Dia#ra$ a/o9e.

amakan sel 5 sel !ang berlabel 7& , dan 8 dalam Rajah 6 di atas.

[; $ars]

ii. State the functions of the ce%%s %a/e%%ed 7& , and 8 in Dia#ra$ .

E



'ii( an isotoni so%ution& larutan isotonik,

[ marks]

'iii(a h2pertoni so%ution. larutan hipertonik.

[; marks]

'd( 1h2 do red /%ood ce%%s and p%ant ce%%s /eha9e different%2 when the2 are i$$ersed in

a h2potonic so%ution3 4engapakah sel merah darah dan sel tumbuhan berkelakuan berbe*a apabila

direndam dalam larutan hipotonik0

[" mark ]

E. 'a(1ater is an i$portant inor#anic co$pound.

%ir adalah penting bagi sebatian bukan organik

45p%ain the i$portance of water in ce%%s. Terangkan kepentingan air di dalam sel .

[ $ars]

'/( i. Descri/e the structure of nuc%eic acid. Terangkan struktur asid nukleik .

["0 $ars]

ii. State two i$portances of nuc%eic acids in ce%%s.

!atakan dua kepentingan asid nukleik di dalam sel .

[ $ars]

""

soalan pep pertengahan tahun f4 biologi 2015

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