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PANEL PERUNDING MATA PELAJARAN BIOLOGI JOHOR

PLAN JSOALAN ARASSEDERHANA

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TAJUK : Movement of substances across plasma membrane.

SUBTAJUK: Movement of substances across n plasma membrane.

SOALAN OBJEKTIF:

1. A small charged molecule X, is ou!d i! higher co!ce!"ra"io! a" e#"racellular "ha!i!"racellular ma"ri# o "he cells. X $ill e!"er "he cells %&

A OsmosisB Ac"i'e "ra!s(or") *iusio! "hrough cha!!el* *iusio! "hrough li(id %ila&er

+. hich o "he ollo$i!g are "he u!c"io!s o (lasma mem%ra!e-

I Tra!s(or"i!g ma"erials II a!uac"uri!g (ro"ei!s

III Li!/i!g !eigh%ouri!g cells "oge"her I0 )o!!ec"i!g "he cell "o "he e#"racellular

A I a!d IIB III a!d I0) I, III a!d I0* I, II, III a!d I0

. hich o "he ollo$i!g ac"ors aec" "he ra"e o diusio! i! (assi'e "ra!s(or" -

I The 'olume o li(id II The e!erg& rom AT2 III The si3e o "he (ar"icles

I0 The co!ce!"ra"io! gradie!" %e"$ee! "he "$o regio!

A I a!d IIB I a!d III) II a!d I0* III a!d I0

4. I! "he a%se!ce o s(eciic "ra!s(or" (ro"ei!s, $hich o "he ollo$i!g diuses mos"easil& "hrough a cell mem%ra!e -

A S"archB O#&ge!) 56io!s* 2ro"ei!s

7. hich o "he ollo$i!g (ossesses "he lo$es" osmo"ic (ressure -

A 2i(e $a"erB *is"illed $a"er) 8.19 sucrose solu"io!* 8.79 glucose solu"io!

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. ha" are "he charac"eris"ics o a molecule "ha" de"ermi!e i"s (ermea%ili"& -

I Si3e II Sha(e III )harge I0 2olari"&

A I a!d IIB II a!d I0) III a!d I0* I, III a!d I0

;. The o!io! e(idermis allo$s "he e!"ra!ce o o!l& small molecules, $hich o "heollo$i!g co!"rols "he mo'eme!" o molecules i!"o "he cell -

I )ell $all II To!o(las"

III )&"o(lasm I0 )ell mem%ra!e

A I o!l&B II a!d III) III a!d I0* I a!d I0

KT>=:

1. Figure 1 shows the struture o! " #$"s%" %e%&r"'e.

P

(

U RT

SFigure

1

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"? La%el "he s"ruc"ures o 2, @, =, S , T a!d >.

2 : @ :

= : S :

T : > :

marksC

%? S"a"e "he !ame o "he model o "his (lasma mem%ra!e.

1 markC

c? *escri%e "he (ermea%ili"& o "he (lasma mem%ra!e.

+ marksC

d? Di? S"a"e o!e molecule "ha" ca! (ass "hrough "he ollo$i!g s"ruc"uresDii? S"a"e ho$ "he molecule (ar"icles a%le "o mo'e across each o "he ollo$i!g

s"ruc"ures.

S"ruc"ure olecule T&(e o "ra!s(or" across "hemem%ra!e

=

marksC

e? E#(lai! ho$ sodium io! is "ra!s(or"ed ou" o "he cell "hrough s"ruc"ure T agai!s" "heco!ce!"ra"io! gradie!".

marksC

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SOALAN ESEI:

1 Da? *ei!e "he ollo$i!g "erms: Di? *iusio! Dii? Osmosis Diii? Ac"i'e "ra!s(or"

4 marksC D%? A%sor("io! e!a%les (la!" a!d a!imal cells "o ge" "he su%s"a!ces !eeded or "heir

co!"i!ued sur'i'al. E#(lai! ho$: Di? $a"er a!d !u"rie!"s i! soil are a%sor%ed %& "he roo" hair cells Dii? o#&ge! a%sor("io! occurs i! red %lood cells

18 marksC Dc? The co!ce!"ra"io! o "he %lood (lasma is iso"o!ic "o "he co!ce!"ra"io! o c&"o(lasm

i! "he red %lood cells. E#(lai! "he eec"s o! "he red %lood cells i "he co!ce!"ra"io! o"he %lood (lasma is !o" %ala!ce $i"h "he red %lood cells

18 marksC

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