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SMK TENGKU AFZAN 25050 KUANTAN, PAHANG

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APRIL TEST 2009

BIOLOGY FORM FOUR( ONE HOUR )

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NAME : ………………………………………….

CLASS : ……………………….…………………

Instruct!n : S"ct!n A ; For  #u"st!n $ t! #u"st!n 20, each question is o!!o"e# $%ou& o'tions, A, B, % and  &. Choose !n" correct answer for each question and 'rt"(!'n your answer in the spaces provided.S"ct!n B ; For #u"st!n 2$ and #u"st!n 22, answer )**  questions in the spaces

 provided.SE%TION A

  . . . .

  . +. . +.

  . -. . -.

  . /. . /.

  0. 1. 0. 1.

. 2hich o the o!!o"in3 st&uctu&es is oun# in $oth ani4a! an# '!ant ce!!s5

  A. 6!as4a 4e4$&ane 7. Ch!o&o'!ast

  C. Ce!! "a!! 8. Ce!! sa'

. 2hen s4ooth en#o'!as4ic &eticu!u4 is a$sent &o4 the ce!!, "hich o the

o!!o"in3 unctions cannot $e ca&&ie# out5

  A. S%nthesis o '&otein 7. 9&ans'o&t o '&otein

  C. S%nthesis an# t&ans'o&t o !i'i#s 8. 7&ea#o"n o un"ante#

st&uctu&es

1

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.9he

o&3ane!!e sho"n in &)+r) $  is oun# in a$un#ance in s'e&4 ce!!s ce!!s in the 4e&iste4s

  e'i#e&4a! ce!!s o the sin  < !i3ht 4usc!e ce!!s o $i&#s

 A. an# 7. an#   C. , an# 8. , an# <

. &)+r) 2 sho"s the t%'ica! st&uctu&e o an ani4a! ce!!. 

&)+r) 2

  2hich st&uctu&e !a$e!e# A, B, %, & in &)+r) 2 contains ch&o4oso4es5

0. &)+r) - sho"s the t&ans'o&tation o 3aseous in  Ameoba.

 

2hat '&ocess too '!ace o& $oth o the a$o=e 3ases5 A. Os4osis 7. Si4'!e #iusionC. >aci!itate# #iusion 8. Acti=e t&ans'o&t

. 2hich o the o!!o"in3 $est #esc&i$es a se4i?'e&4ea$!e 4e4$&ane5 A. t a!!o"s on!% "ate& 4o!ecu!es to 'ass th&ou3h it

  7. t a!!o"s "ate& so!u$!e 4o!ecu!es to 'ass th&ou3h it  C. t a!!o"s on!% ce&tain 4o!ecu!es to 'ass th&ou3h it

8. t a!!o"s on!% ce&tain 4o!ecu!es to 'ass into the ce!! $ut not out o it

&)+r) $

2

COO

&)+r) -

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+. &)+r) . sho"s the st&uctu&e o '!as4a 4e4$&ane.

&)+r) .

  2hat is the st&uctu&e !a$e!!e# /5

A.  Li'i# 7. 9in% 'o&e C. @!%co'&otein 8. 6o&e '&otein

 

&)+r) 5

  2hich o the o!!o"in3 is n!t t&ue5 A. So#iu4 ions a&e t&ans'o&te# $% the ca&&ie& '&otein

  7. 9he outsi#e o a ce!! has a hi3he& concent&ation o so#iu4 ions thanthe insi#e o the ce!!.

C. 9he so#iu4 ions 4o=e &o4 a &e3ion o hi3he& concent&ation to a &e3ion o !o"e& concent&ation

8. Ene&3% &o4 the A96 (A#enosine t&i'hos'hate) 4o!ecu!e causes the sha'e o the ca&&ie& '&otein to chan3e.

9. &)+r)  sho"s the 'e&centa3e o &e# $!oo# ce!!s un#e&3oin3 hae4o!%sis in=a&ious concent&ations o sa!t so!ution.

-. 9he &)+r) 5 $e!o" sho"s acti=e t&ans'o&t '&ocess o so#iu4 ions ac&oss a'!as4a 4e4$&ane

3

/

C C C C C0 C Sa!t

Concent&ation

6e&centa3eo

ce!!sun#e&3oin3hae4o!%sis

11

-1

1

1

1

1

&)+r)

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  2hich o the o!!o"in3 state4ents is tru"5   A.  C is isotonic to the &e# $!oo# ce!!s  7. C is h%'e&tonic to the &e# $!oo# ce!!s  C. At C0, sa4e nu4$e& o "ate& 4o!ecu!es 4o=in3 in an# out o the &e# $!oo# ce!!  8. At C, 4o&e "ate& 4o!ecu!es 4o=in3 in than those 4o=in3 out o the &e# $!oo#  ce!!s

 1. 2hat a&e the '&ocess in=o!=e# in the 4o=e4ent o "ate& an# 4ine&a! ions into

&oot hai&s5

Water Mineral ions

 A Os4osis Acti=e t&ans'o&t

7 Os4osis >aci!itate# #iusion

C >aci!itate# #iusion Os4osis

8 Acti=e t&ans'o&t Os4osis

. 9he 3&a'h sho"s the chan3es in 4ass o 'otato st&i's i44e&se# in #ie&entconcent&ation o suc&ose so!ution.

  7ase# on the a$o=e 3&a'h, "hich o the o!!o"in3 concent&ations o suc&oseso!ution shou!# $e use# so that a !acci# 'otato st&i' &e3ains its tu&3i#it%5

  A. .0 3 'e& 11 4l  7. .0 3 'e& 11 4l   C. .0 3 'e& 11 4l  8. .0 3 'e& 11 4l 

. Acco&#in3 to the !ui# 4osaic 4o#e!, the '!as4a 4e4$&ane is a 4osaic o   A. 'hos'ho!i'i#s an# '&oteins 7. 'hos'ho!i'i#s an# 'o!%saccha&i#es  C. 'o!%saccha&i#es an# '&oteins 8. 'o!%saccha&i#es an# "aBes

. 2hat is the '&ocess in=o!=e# in the a$so&'tion o a4ino aci#s in the =i!!i5  A. Os4osis 7. Si4'!e #iusion  C. >aci!itate# #iusion 8. Acti=e t&ans'o&t

4

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. &)+r) 1 sho"s the con#ition o ou& '!ant ce!!s that ha=e $een i44e&se# inso!ution , L, M an# N &es'ecti=e!%, each "ith #ie&ent concent&ations o& 1 4inutes.

  So!ution So!ution L So!ution M So!ution N

&)+r) 1 

2hich sequence sho"s an inc&easin3 concent&ation o the so!ution co4'a&e# "iththe ce!! sa'5

  A. , M, N, L 7. N, M, , L  C. L, , M, N 8. M, N, , L

&)+r)

0. 2hat is the '&ocess that taes '!ace in the &)+r)  a$o=e5  A. Os4osis 7. Acti=e t&ans'o&t

  C. >aci!itate# #iusion 8. >aci!itate# t&ans'o&tation

. 2hen a #&o' o hu4an $!oo# is 4iBe# "ith 1.-0 so#iu4 ch!o&i#e so!ution, the &e#$!oo# ce!!s 4aintain its no&4a! siDe. 2hat "i!! ha''en i the $!oo# is 4iBe# "ith1. so#iu4 ch!o&i#e so!ution5

  A. C&enation 7. Hae4o!%sis  C. 6!as4o!%sis 8. Sh&inin3

+. &)+r) 9 sho"s the a''ea&ance o a '!ant ce!! ate& $ein3 i44e&se# in ah%'e&tonic so!ution.

  &)+r) 9

  2hat ha''ene# to the ce!!5  A. C&enate# 7. Hae4o!%se#  C. 6!as4o!%se# 8. 8e'!as4o!%se#

5

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-. &)+r) $0 sho"s t"o suc&ose so!ution o #ie&ent concent&ations se'a&ate# $% a'a&tia!!% 'e&4ea$!e 4e4$&ane.

  6

&)+r) $0

  Ate& an equi!i$&iu4 has $een achie=e#, "hich o the o!!o"in3 #oes not occu&5 A. 2ate& 4o=es into a&4 6 at the sa4e &ate it 4o=es into a&4 7. 9he !e=e! o suc&ose so!ution in a&4 6 is hi3he& than that in the a&4

C. 9he suc&ose so!ution in a&4 6 is isotonic &e!ati=e to that in a&4 8. Suc&ose 4o!ecu!e #iuses &o4 a&4 6 to a&4 .

/. A %oun3 4usta&# 3&een ste4 is cut !on3itu#ina!!% to o$tain ou& equa! st&i's. 9hesest&i's a&e then '!ace# in so#iu4 ch!o&i#e so!utions o #ie&ent concent&ations. Ate&an hou&, "hich o the o!!o"in3 is the st&i' o 4usta&# 3&een that has $een '!ace# ina h%'e&tonic so!ution5

  A. 7

  C. 8.

1. 2hich o the o!!o"in3 4etho#s o '&ese&=in3 oo# #oes not in=o!=e the conce't oos4osis an# #iusion5

  A. Main3 sa!te# e33 7. 6asteu&isation o 4i!  C. 6ic!in3 o 3in3e& 8. Soain3 chi!!ies in =ine3a&  

6

.1 suc&oseso!ution

1. suc&oseso!ution

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  (ii) the su$stances in &)+r) $$ 34 a&e ca!ciu4 ions, #esc&i$e ho" the% a&et&ans'o&te# into the ce!!. 

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  …………………………………………………………………………………………..

  …………………………………………………………………………………………..

  …………………………………………………………………………………………..F 4a&sG

. (a) 8eine os4osisI an# acti=e t&ans'o&tI 

($) State ou& #ie&ences $et"een os4osis an# acti=e t&ans'o&t.F- 4a&sG

  Ans"e& :

  (a)

  ($)

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