Paper 2 Biology
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Transcript of Paper 2 Biology
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Section ABahagian A
[60 marks / markah]
Answer all questions in this sectionJawab semua soalan dalam bahagian ini
1
(ii) State one function of cell P and cell RNyatakan satu fungsi sel P dan sel R
Cell P / Sel P: !!
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Cell R /Sel R: !!!!
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[" #ar$s]
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(%) (i) &a#e the s'ste# which consist cell S!
Namakan sistem yang mengandungi sel S.
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(ii) *lain one role of cell S in the s'ste# na#ed in (%)(i)!
Terangkan satuperanan sel S di dalam sistem yang dinamakan di
(b)(i).
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(c) *lain one characteristic of tissue + to facilitate water a%sor*tion
fro# soil!
Terangkan satu !iri tisu " untuk membantu penyerapan air daripada
tanah.
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(d) cess fertili,er can cause distur%ance the trans*ort of su%stance to the
ste#! *lain -h'!
#ebihan ba$a boleh menyebabkan gangguan kepada pengangkutan
bahan ke pu!uk.
Terangkan mengapa.
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!
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" iara# " shows a *art hu#an circulator' s'ste# in hu#an
Ra$ah % menun$ukkan bahagian dari sistem peredaran dalam manusia
Diagram 2
(a) -hat ha**ened to the %lood *ressure fro# P to +
&pakah yang berlaku terhadap tekanan darah dari P ke "'
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!!!!!!!!!!!!!!!!!!!
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[1 #ar$]
(%) *lain wh' it is i#*ortant for P to ha2e thic$ wall!
Terangkan mengapa P perlu mempunyai dinding yang tebal.
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(c) *lain how #uscle near%' at + *re2ent %ac$ 3ow of %lood
Terangkan bagaiman otot berdekatan " menghalang aliran berbalik
darah
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(d) *lain how stucture of ca*illaries allows su%tances to *ass fro# the#
to the surroundin e4cientl'
Terangkan bagaiman stuktur kapilari membolehkan bahanbahan untuk
melaluinya ke kawasan sekitar dengan !ekap
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[. #ar$s]
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(e) *lain the si#ilarit' and di5erences of structure P and +
Nyatakan persamaan dan perbeaan struktur P dan "
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. iara# . shows a section throuh the hu#an heart!Ra$ah * menun$ukkan keratan rentas $antung manusia.
(a)(i) &a#e the *arts la%elled P and S!Namakan bahagian yang berlabel P dan S
P :
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S : [" #ar$s]
(ii) 7n iara# 18 shade the ca2it' of the 2entricle which containso'enated %lood!
+alam gambara$ah ,-lorekkan bahagian entri!le yangmengandungi darah beroksigen
[1 #ar$] (iii)-hat is o'enated %lood
A*a$ah darah %ero$sien
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(%) *lain wh' the wall that around the cha#%er + is #uch thic$er than
cha#%er RTerangkan mengapa dinding disekeliling ruang " lebih tebalberbanding dinding R'
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(c)(i) 7n iara# 18 la%el the %icus*id 2al2e with letter 9!+alam ra$ah ,- labelkan in$ab bi!uspid dengan huruf T
[1 #ar$]
(ii) *lain the function of %icus*id 2al2e! Terangkan fungsi in$ab bi!uspid
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(d) 9he coronar' arteries su**l' %lood to heart #uscle!&rteri koronari membekalkan darah ke otot $antung.
Suest one acti2it' of hu#an which #iht cause a %lood clot in acoronar' arter'!
adangkan satu aktiiti manusia yang boleh menyebabkanpembekuan darah dalam arteri koronari.
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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*lain what #iht %e the result of such a %loc$ae!9eran$an 'an a$an %erla$u a*a%ila %erla$u salur darah tersu#%at!
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iara# shows the #o2e#ent of water fro# the root to the en2iron#ent!
Ra$ah 0 menun$ukkan pergerakan air dari akar ke daun dan seterusnya ke
persekitaran.
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!!!!!!!!!!!!!
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(c)(i) ist two factors which ena%le water to #o2e u*wards fro# the
'le# tu%e to the s*on' #eso*h'll!
Senarai$an dua fa$tor 'an #e#%oleh$an air %erera$ $e atas dari
salur ile# $e #eso;l %ers*an!
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(ii) -hen the rate of *hotos'nthesis %eco#es hiher8 the rate of
trans*iration will also %eco#es hiher! *lain the a%o2e state#ent!
&pabila kadar fotosintesis tinggi- kadar transpirasi $uga tinggi.
Terangkan pernyataan di atas.
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5
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(%) *lain the di5erence of the anti%od' %etween 7ndi2idual P and + in
diara# = Jelaskan perbeaan antibodi pada indiidu P dan "
berdasarkan ra$ah 2
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(c) *lain wh' indi2idual P need a second in>ection an wee$
Terangkan mengapa indiidu P memerlukan suntikan kedua padaminggu ke 0
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(d) State two t'*es of i##unit' other than shown in the diara#
Nyatakan dua $enis immuniti selain yang ditun$ukkan dalam ra$ah
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(e) Ali was %itten %' a sna$e and %eco#es unconscious! *lain how 'ou
can sa2e Ali!
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&li dipatuk ular dan menyebabkan dirinya tidak sedar. Terangkan
bagaimanakah !ara hendak menyelamat &li.
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[" #ar$s]
Section B
Bahagian B
[0 #ar$s]
Answer an' twoquestions fro# this section!
Jawab manamana duasoalan daripada bahagian ini
6! iara# 6!1 and iara# 6!" are diara#s to show the internal structure of
the heart and its associated circulator' s'ste# in a si#*li;ed for#! iara#6!1 re*resents the s'ste# for a #a##al and iara# 6!" that for a fro!
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Ra$ah 4., dan ra$ah 4.% menun$ukkan struktur dalaman $angtung dan
peredaran darah. Ra$ah 4., mewakili mammal dan ra$ah 4.% mewakili katak
Diagram 6.1 Diagram 6.2
(a) Co#*are and constrast the circulator' s'ste# %etween a #a##al and a
fro
5anding dan beakan sistem peredaran antara mammal dan katak
[6 #ar$s]
(%) ?en lo2es to eat food and fried food which has %een found to %e rich in
fats! *lain the consequences of consu#in this diet with res*ect to his
heart
5en suka makan terutamanya makanan yang bergoreng yang
mempunyai kandungan lemak yang tinggi. Jelaskan kesan pemakanan 5en
terhadap $antungnya.
[@ #ar$s]
(c) -hat are so#e of the a**roaches that ?en can ta$e to reduce the ris$ ofcardio2ascular diseases
&pakah langkah yang boleh 5en lakukan untuk mengurangkan risiko
penyakit kardioaskular'
[6 #ar$s]
(a) -hat is the *rcoess in2ol2ed in trans*ortation of water in *lant
&pakah proses yang terlibat dalam pengangkutan air dalam tumbuhan'
[10 #ar$s]
(%) *lain the *rocess #ention in (a)
Jelaskan prosesproses yang disebutkan di (a).[10 #ar$s]
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@!
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B! (a) iara# B!1 and B!" shows the staes in %lood clottin!
Ra$ah 6., dan 6.% menun$ukkan peringkat pembekuan darah.
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?ased on the diara# and on 'our %ioloical $nowlede8 descri%e how the
#echanis# of %lood clottin hel* to *re2ent infection when a wound occurs!
5erdasarkan ra$ah dan pengetahuan biologi anda- huraikan bagaimana
mekanisma pembekuan darah membantu untuk mengelakkan $angkitan apabila
berlakunya luka
[10
marks]
(%) the state#ent %elow descri%e the l'#*hatic s'ste#
pernyataan di bawah menerangkan sistem limfa
?ased on these state#ents8 e*lain wh' the l'#*hatic s'ste# is
considered co#*le#entar' to the %lood circulator' s'ste#!
5erdasarkan pernyataan ini- terangkan kenapa sistem limfa dikatakan
pelengkap kepada sistem peredaran darah.
[10
marks]
acteal in intestinal 2ili trans*ort *roducts of
li*ids#a!teal di ilus mengangkut produk lipid
A%out 10 of interstitial 3uid returns to the
circulator' s'ste# cia l'#*hatic s'ste#,78 !e!air interstitial akan kembali ke sistem
peredaran darah melalui sistem limfa