Download pdf - Ulangkaji F4 PPP1 2016

8/19/2019 Ulangkaji F4 PPP1 2016

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Nama: _________________________________

Komponen sel dan fungsinya

Organel Fungsi1 Membran plasma2 Dinding sel3 Sitoplasma4 Nuleus

! "auol# Mitoondrion$ %ibosom& 'alinan (ndoplasma asar) 'alinan (ndoplasma li*in1

+

'asad ,olgi

1

1

-isosom

1

2

Sentriol

1

3

Kloroplas

1. Dra/ an animal *ells and plant *ell t0at obsere under lig0t mi*ros*ope 4m

2. arame*ium sp. is a *ommon fres0/ater protista found in ponds or slo/5moingstreams. Dis*uss t0e problems fa*ed by arame*ium sp. in a fres0/ater

enironment and e6plain 0o/ it maintains its /ater balan*e. 4m

7

N

M

8

'

,

9

;

D

(

F

K

-


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3. (6plain 0o/ t0e *ells in diagram belo/ are adapted to *arry out t0eir fun*tions.

1+m5 essay

;ell 7 ;ell

4. ?>%> @> A> and B #m label p0osp0olipid bilayer. 1m

!. DeCne t0e follo/ing terms :

(i) Simple difusion

(ii) Osmosis

(iii) Facilitated difusion

(iv) Active transport & marks

1. -uis satu sel tumbu0an dan sel 0ai/an yang diper0atian di ba/a0 mirosop

*a0aya. 2m2. arame*ium iala0 protista yang biasanya diumpai di olam atau sungai air

ta/ar. in*angan masala0 yang di0adapi ole0 parame*ium di perseitaran air


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ta/ar. Eerangan bagaimana organisma ini menealan eseimbangan air

dalam sel. 4m3. Eerangan bagaimana sel dalam raa0 di ba/a0 diuba0suai untu menalanan

fungsinya.1+m

;ell 7 ;ell

4. ?>%>@>A dan B.#m labelan d/ilapisan fosfolipid. 1mG

!. erian masud perataan beriut:


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Organelle Fun*tion1 ;ell membrane2 ;ell /all3 ;ytoplasm4 Nu*leus! "a*oule# mito*0ondria$ %ibosomes& %oug0 (ndoplasmi*

%eti*ulum) Smoot0 (ndoplasmi*

%eti*ulum1

+

,olgi apparatus

1

1

-ysosomes

1

2

;entrioles

1

3

;0oroplast

1. Dra/ an animal *ells and plant *ell t0at obsere under lig0t mi*ros*ope 4m


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2. arame*ium sp. is a *ommon fres0/ater protista found in ponds or slo/5

moing streams. Dis*uss t0e problems fa*ed in a fres0/ater enironment ande6plain 0o/ arame*ium sp. maintains its /ater balan*e. !m

• E0e main problem fa*ed by

arame*ium sp. is *ontinuous

diHusion of /ater into t0e *ell by

osmosis. E0is is be*ause t0e

*ytoplasm is more *on*entrated t0ane6ternal enironment. 1m

• E0e *ontrol of /ater balan*e in t0e

*ell < osmoregulation= is aided by t/o

contractile vacuoles. 1m

• ;ontra*tile a*uole accumulates t0eexcess water. 1m

• eriodi*ally> t0e *ontra*tile a*uoles

/ill contract to expel the water

t0roug0 t0e plasma membrane. 1m

• E0is preents t0e arame*ium sp.from bursting.


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1.(6plain 0o/ t0e *ells in diagram belo/ are

adapted to *arry out t0eir fun*tions. 1+m

;ell 7 ;ell

;ell 7 is red blood *ell. 8t do not 0as

nu*leus. 8t 0as bi*on*ae dis* s0ape. E0is in*reases t0e surfa*e area of t0e

*ell for gases e6*0ange to 0appen at a

faster rate. 2

%ed blood *ell 0ae elasti* plasma

membrane. E0is enables t0e *ell tosIueeJe easily t0roug0 blood *apillaries

smaller t0an t0emseles. 2

%ed blood *ells *ontain red pigment *all

0aemoglobin /0i*0 enables o6ygen to

be transported t0roug0out t0e body. 1


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;ell is root 0air *ells.

%oot 0air *ells are normal epidermal

*ells /it0 long proe*tions. 1

E0ese allo/ root 0airs to penetrate

bet/een soil parti*les and *ome into

*lose *onta*t /it0 t0e /ater surrounding

t0em. 2

E0e long and narro/ proe*tions in*reaset0e surfa*e area of t0e *ell for /ater and

mineral absorption. 2


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