Answer Scheme Bio f4 Test 2 2011

8/18/2019 Answer Scheme Bio f4 Test 2 2011

1/4

ANSWER SCHEME FORMATIVE TEST 2 FORM 4 (2011)

SECTION A

1. D 6. C

2. D 7. B

3. A 8. C

4. D 9. B5. B 10. B

SECTION B

NO CRITERIA MARKS

1(a)

(i)

Able to state the health !oble"s s#$$e!e% b& the t'o

%*%#als+

Answer :

P : Kwashiorkor

: !"esi#$

1

1

1

1

(ii) Able to state 'hat s the ,a#se o$ health !oble" %*%#al

-.

Answer :

De%i&ien&$ ' a&k o% ro#ein in *ie#. 1 1

(") Able to e/la the abo*e state"et+

Answer :Chi*ren re+,ire -ore ro#eins %or row#h an* a"o,rs re+,ire

-ore &ar"oh$*ra#es #o ro/i*e s,%%i&ien# ener$ %or hea/$ work.

1

1 2

(&)(i) Able to state 'hat s the !easo $o! the health !oble" %*%#al .

Answer :

&essi/e &ons,-#ion o% %oo*s ese&ia$ %a#s an* &ar"oh$*ra#es. 1

(&)(ii) he e&ess %oo* wi "e s#ore* in #he %or- o% %a# (a*iose #iss,e)

,n*er #he skin an* aro,n* #he in#es#ine.

2

(*) 1. he ro"e- in in*i/i*,a is &a,se* "$ #he ha"i# o% o/erea#in whereas anoresia ner/osa is roo#e* #o a s$&hooi&a

ro"e- #ha# is #he o"session #o -ain#ain #he "o*$ shae wi#ho,#ass,-in roer *ie#.2. he ro"e- in in*i/i*,a "rins a"o,# #he e%%e o% ainin

20 -ore weih# #han #he nor-a weih# whereas anoreia

ner/osa res,#s in oss o% weih# an* -an,#ri#ion.

1

1

2


2/4

2(a) Able to label the alsa%e ,ell

ih# a"e an* na-e o% #he &e 1 1

(") Able to state t'o a%atatoP1 : Paisa*e -esoh$(&es) are &ose$ arrane* #o a"sor"

-ai-,- s,nih# %or ho#os$n#hesis.

P2 : son$ -esoh$(&es) are oose$ arrane* %or aseo,s

e&hane %or ho#os$n#hesis.

1

1

2(&)(i) Able to state the la,e 'he!e lht !ea,to o,,#!s

,hlo!olast

rana 1 1

(&)(ii) Able to e/la the "e,has" o$ lht !ea,toa-e answer :

P1 : Choroh$ a"sor"e* ih# ener$

P2 : ner$ is ,se* #o si# wa#er -oe&,es in#o h$*roen ionan* h$*ro$ ion

P3 : eron is re&ei/e* "$ h$*roen ion #o %or- a h$*roen

a#o-

P4 : $*ro$ ion oses eeron #o %or- h$*ro$P5 : Pro*,&e wa#er an* h$*roen

1

1

1

11

a3

(&)(iii) Able to state th!ee %$$e!e,es bet'ee lht !ea,to a% %a!

!ea,to o$ hotos&thess

3ht !ea,to a! !ea,to

!&&,r in rana !&&,r in s#ro-a

;ee*s ih# Does no# nee* ih#

Pro*,&e o$en an* wa#er Pro*,&e ,&ose an* wa#er

Pho#o$sis o% wa#er o&&,rs Pho#o$sis o% wa#er *oes no#o&&,r

1

1

11 3

TOTA3 20


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SECTION C

NO CRITERIA MARKS

1(a)(i)

Able to e/la the $o!"ato o$ $ae,es a h#"a

%ae&es whi&h &on#ain *ea* &es #ha# are she* %ro-

in#es#ina inins #oi& s,"s#an&es an* "ie i-en#s

en#er #he &oon "$ aion o% eris#asis.

in &oon -ore wa#er is a"sor"e*.

#he ,n*ies#e* %oo* resi*,es har*en #o "e&o-e %ae&es. %ae&es &on#ain ,n*ies#i"e resi*,es #ha# re-ain a%#er

#he ro&ess o% *ies#ion an* a"sor#ion o% n,#rien#s

#ha# #ake a&e in #he s-a in#es#ine.

1

1

1

11

a

4

(a)(ii) Able to e/la the e$$e,t o a ,hl% 'ho s *es#$$,et a"o#ts o$ a& t'o #t!ets o$ $oo%

Pro#ein


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he e#s eno,h ro#ein %ro- -ik an* "oie* es.

&essi/e %a#s an* &hoes#ero are &on#aine* %ro-&hi&ken &,rr$ an* o#a#o &his. &essi/e %a#s an*

&hoes#ero &an &a,se ar#erios&erosis an* h$er#ension

as #he$ wi "e *eosi#e* in #he ar#eria wa #ha# &o,**e&rease #he si?e o% ,-en ar#er$.

&essi/e %a#s wi aso *eosi#e* in #he a*iose #iss,e "enea#h #he skin an* aro,n* #he in#erna orans.

he in#ake o% oi$ %oo* &an aso &a,ses #he "o$ #o ha/e

i-es an* a&ne.

De%i&ien&$ in &ar"oh$*ra#es wi sow *own #he &e

#ransor#a#ion *,e #o ins,%%i&ien# ener$. As a res,##he "o$ wi "e&o-e weak an* eerien&e* %a#i,e

easi$.

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Answer Scheme Bio f4 Test 2 2011