1985 Biology Paper I Marking Scheme

8/4/2019 1985 Biology Paper I Marking Scheme

1/10

'B 10. IScheme H r: r k s

1. (a) (i) river / stream / pond / any fresh water habitat . . . " ..(11)

Scpnratc struct~res ~D E I r, ") 1 O' Ib. - 1'0;. )_1..';0 l. '< , ~ _ -, \ ; 1

W:I.ngs ___'.t:_ ~ ~ : ~ ~ f " r : _ : _ L o r . ..e>' '- r C I:F Gil OR'~' ~-flower/fruit; cone; Ir'

pod; 1> e r: d s __. _ ~ ~ ~ . . : _ J(2)Common structure

(1) 'Inngs,Not legs)f---------------- ,

Seeds ..;) .(N0tf ruH s)

f t \ c : ~ \. l CtJ.. /.

*non~flowcrin~; p l ants / gyrano cp e rms ; co!"} fc~-~;

r----

I ) : ii1jI!~II,l':~_.

(Hi) 0)(2)(3)

*animals without backbones / Lnve r teb ra tcs ; Lnscc ts*flo";cring p Lan ts / ang.J..40"'pel--l"/;"'Jt,,;'.I.~"')I'' (.".,.\. c . . . . . , l 1 .....,.~ .. f , . .

*ani~als with backbones / vertebrates; birds

( j v) 0) f Ln s I o p e r c u l . u m / L a t e r a l Lic / s c aL e s ( ~ . ~ ) .(2) scales I four legs .(3)- naked sk:l.n , I four legs' - , .

(,~ 0,' s 9 1 . f{ hl't,~)

less f av ou rab Lc

(b) (j_)the required t crapc rn tu re ...............................

(.ii ) " r-.----.-' ---Set

O R

C03EulRtton rate T e m p . e f f e c t o n e n z v r a e a c tL o uB slower. 1+1

O R1+1

(H)=- n- [--- ..~~~ tc r ,_ _ r . J _ ; o : r = ~ = ~ = 2 = - - ~ ~ ~ ~ ~ ~ ~ : ; - ' ~ ~ : = - _ : : : " " _.=9

J ' ' ' 5 , : r + e - ' 1 . . . . . .. . . : -, 1- vl.".....< t! ~,.t'>: 1 1 . . . , ' _cv". 'J + C, I----,----------_._ _ . _ _ - - .. _ _-------------,_ .._--- _ 30"C .,-----.~---_t----'Change Ex p 1211


2/10

., , ,~ ... f." .

c) (1) (1)(2)

w e ig h t. of s e ed l in g s a !t c r !cmoving w a t e r" " ,,~ . ............. . . . .. . . . .\prot~in / carbohydrate /cellulose / starch

. \, I

.-----.---..--...----l\II--.--.--...--- __-___----1

(1i)

(2)

. L P _ o t_J. .~f_'f_-~C t~__- J - - - - . - - - - . . _. . . . , . - - - ~ 1 : - . : ; - ~P-l-;.~,... .;-la-'t-i_o-nI .ft ,-.ltV, -_ , . . . c . . r . - < - - ;" "_ , f; :: '" .h , l~ . ). ~ - '"." ,". 0 R, I . . ( .{tC-


3/10

d i a p h r a g m ' . . J .

(iii) (1) 95qg_\~~ l(2) 39600 tm9-----

(iv) (1) 3(30 em3----(2) 15 ( 14 e m s-~-.----

(H) (q(2)

(Hi) 0)(2)(3)

(iv)

(b) (1)

(U)

(l)"J.musc1e y. " . 'I . " . . . . . . p .. .. .. .. .. " .. .. .. .. .. .. .. : .. .. " ....... .. .. .. .. " .. .. .. ... .. '. .. .. ~, _, 11(2 ) mus cLetX ." ,," " rr r II ...... '.~ '" ' :" ,/ :, " ,..... 1

~ f ,, ~ ." - ", , .: . '" ., , ~ , r...... ....." _ " . . .\ '0 " ~ " " t . ".(3), ?"!1~-?-g9-p.~ !3~~c_l . ppp.os;lng. muscles ....... ' .

. .' '. .. .. I , ~ '. . .

' " I , . ;

l~.g~men.~. " '0 " " ~ ..'." t.e nd on-j ...,. ,"" ' ,,: ~ .~ .. " ' " e, " ~ .. ~;" ' "' ,," 1. .. .' -~. .. .' ., . . '" " , , . . . ., . . ,j o i n t .l~{__ ~ ~. ".. ~........ : ... - ....glycogen (NOT


4/10

~}

(::':L)

(Hi)

(iv)

(v)

(vi)

r

"Labels. :'",.t, ..~ - v ~ J, ~ , ,~ .. ,', . " . . . . . . . . . , .. . ,' .... , _ : . .J" . : ~ J.. *epidenn.1.1 cell" . , . "..... . .",,- ~ .. . ' ' ~ ~ " " . ; . . : J . , ' , : , . ' " . ~ . , ' " . " . , : _ ' , " ' , " . . " . '0 '0' , " "'"

*8tomatal~ ape rtur e v Z . stoma";' , .~ .': '. ::',: .;-. .'. ; ', , , .:~gua rd .ce~.~s ........... , .. ' , .. , , , .*nucleus ...................... e ; .* '... , j ". ,chloroplast: . ; '. , . , . ~ '. ; .. ' : .' ' ..~,vac\'lole" ~ ... *cytoplasm ; ..*cell membrane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .'~thick /' Lnnc r \.:all~ ........................... "* J i / ]l~(cell wall) .th n outer wa; . ...........................

Diagram accuracy :kidney-shapedt h ic k a n d t h i n regions of th e c el l wall

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " " " . ." " . . . . . . . " . . . . . . . . "" . . . . . . "

t o make t he c o ve r e d areas equal for comparison " " .o ..

(1) blue(2) red / p i n k

. . . . . . . . . " . .. . . . . . . . " .. "" " ..

A h a s t h i n n e r cuticle .............. "' "" "' ..

the rate of transpi.ration f.s pr opo r tiona I t o t he ~~_t~~~.~~rof s t o m at a ; . . . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . . .. . . . .. .

~ t, 'dry / arid / desert ."..... ' ..........................

" ;', , I " ~

,.... _---_ .._ ,ony SIX :I :

1-'511 each Il:13X. 3 !

L._ .._._ .._.J

r ~ . - . - - ;I I; ~ ~ I....

1

1

1

. ~< ' ~' ~'}.r~.".~." ,' / ' --,,: 'r ,,...:.....----------------- ...


5/10

t" { / ' ~ ; ~ ( ; ' ; ~ t : : ; / ~ # ' :. . , ; ~.~ "\~Y:';~t:'.'.~"'""""' ' '~' '~' ' '~~~''. r-'~~-""'~-..~..-:-'..,~:::,.

't, (iii)

(iv)

. (l)

(v)

(vi)''It

. . . . ; , . , " , .. . ,~. """ '" . . . . . "

,~.".aXe8 ,',:,::;; c o r r e c t wit~ ~ a b e 1 8 .. '." ..... t : ... ' . . " .. , 1points a t l e a s t 5 c o r re c t l y p l o t t e d

joining up the points p l o t t e d . .. . .. .. .. . .. " M... " ,. .

curveRelationship between r ate of, photosynthesis and, concentration of~~!L~~~'ydrog'cn' ~c'arb'on'a'te. sohltion, .

x

C'()OC.(',;"ltrl l tiO(1or,o~:t~!.m~:fdn""t


6/10

. ''t '!l~ jlf~~J"~"~'~~--~ ,~.~",.~ ; f i ' ' ' ~ C E 'BiD J .~C1~3:~~.f . ~ : i ( ,bn, ' )8S ~(i)eme .... i:'bBc t:e ria ::. : :; ':~ ~ ' , .. , , , . . . . . . . .1!. _-' , ..~ ~ " '.: . 1 . .

fungi' , ,I, " 1. . ' , . : ' ; : : : ' , ' X ) ' . ~ ~ ' . ' . . . . . . . . . . . . . . . . . ~. . , . , . . " " . .ld.t~ ".,"':.'. . , , .. ' " .

J ':. " ~I~ :_. ! _. ',,' - - - - - - - - ~. - - .- - -~. . . . . ".- . . . .- ..,-. - ... _ .. _ - ~.~,. . . ,., ~.-.'.::He.rkn

(if) carbon dioxide / CO2 ....................................... 1

us~d as raw material for photosynthesisto fonn carbohydrate in plants

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,(iii) ~CO { d L f fuse's "in;tc;"leave~'" > : . ' : . ' : : : . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(iv) . , ,)grass.~oppers ... , .. , , '.' . , , , . 1

by feeding on green pl an ttl .. , .. . . . . . . . 1

(v) (1) spiders feed on grasshoppers . . . . . . .. .. .. . . .. .. .. . . .. .. . . .. . . . . . . .. ~.. .. . . . . .. . . . . .. 1(2 ) additive effect as a result of each spider feeding onmany grasshoppers / grasshoppen; and ants . . . . . . . . . . . . . . . . . . . . . . . . 1

15

(vi) (1) herbivorous dj_et / feeding on pLa nts .. . . . . .. . . . . "" .. .. .. .. .. . . .. . . .. . . 1(2) carnivorous diet / feeding on an Imc l s . .. . . . . . . . . . . . . . . . . . . . . . . . . . ..(v ii ) ants 1 ,e e d j : E!_ 8r : dead hodies of grasshoppers a n c l ,;pidcr[; . . . . . . . . . . . . 1

'I(viii) respiration / exc r c tiou 1egestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

"I

,',:;:

;.. ~:.... !,." r ~< ~ ' ~ ' ~ ~'~'t,~.~~.';'t;j:t. t;';

. . . . . . . .t" .II! ...', .. t

~ " ~ i

I'L - ~ : ;


7/10

I"~::I 'd

'(1 )

\~-1 g ~>~ "/" " '~ . ~ 1 1) '( (. ./

(11)

(2)

Harks

2 or 0

[ - ~ : - l l~ - j _ J 1

I-_V_8_1._v_e-+ N_a_m_e__ ... Directton of movement I. _ . C "semi-lunar .va Lves up\rards /, tovards wall of' ;:litery \~~~~ 'tricuspid valve llo~",a~ds I towards wall of ventrtc~( f . . . . . . . . . . . . . . .,-) K )(iH) 110 " " " ,. "" .. 1,valves (semi-lunar / B) are present" to prevent the b ackf Lov_--of l i q u l d " , . . . to . .

1+1or1~1

(tv)Vessel Oxygen content Reason J--_.'_C-'

F lowe!~il oxygenati.onI ,i takes place=,- _ - - . _ . _ _ ,_ . - - - . - - - ._ - - - -_ . ._ - - -" ._ " -= in the lungsG highE~T \j

I

(L) (1)k....h.~;'" '" (2')11 b(~-' r t ~ C JG \ . ~ , , , ~ \ ' t , f) \!

commensalism / mutualism (sl~~:: : , . ? . . . . . .. . . . . . . . . . . . . .aids locomotion or dispersal /

9

provides surplus food debris_ _ _ _ ,_ _ .. . .c : . . . . _BENEFITS -, (13)(ancl:1onc)-----

(A)(crnb)

'" " .." 'r ..;~,,'~t), 'pa r a sLtLstn " " " II ..'i i f t~ , c: t / Co : I " ~ " ( t . ." , . . . . { , . : f' J x)v: n tlg 0 l 1C . ; . , ; . . ern " .. /" .. .. .. .. .. .. .. . .. .. .. .. .. "

r - - - - -"" , . . _ . - , , ~ -. . . . . . . . . . . . . . " ' . . .' ' ' - ' ' ' ' .- . . . .. . . . .- i . ~ \ ' ' , ' : ~ ' ; , ; : .. ;.i~~'I'i..40 r ~ ' : " r < l " t : . . .""~ . .. ..;~~rt.~


8/10

~)

"--~~""-'-rninera Ls

I - . ~ . ~ , : : ~ . . : ~ " ~ . . . . . . . . . . . ' . . . . . . . " . . . . . . " .

,..- ." ~ ' ; ~ .1 ,

1:." ;1

'., ' e' " " ' to " , . ..

(iii) ~(l) excess proteini.s de~'1mit~ed into ur ea .. " "" . . "" " "/.'" _ -,',:','. by. ~j_ver............. " It ........ " ..........

.. " III' " .. , " ..

(2)- by rcspir';ltion / oxidation . . " " " .. ' " .. " . . " ..using reserved food r glycogen / fat

" " " . " , . , . , . I . " .

(iv) (1) oranges ?rovidc Vitamin Cand'roughage .. " " ,. .. , " ..

. . . . . . " " .. " ,. ..

(2) scurvy . . . . . . . . . . " " " " " .. " " " .. . . . . . . . " . . . . . . " . . . .constipation " .. "' " ... " . . . . " . . . . " . " . . . . . " " . . . . . . . . . . "" " " . . . . . . . . . . . . . . . . . . . . . . .__ i,fo

!

1

] 2


9/10

P ..i ~ '. ; "

, "

r ~ " .', '1(['i111

.. 11

. . . . . . . . . . . " .. ',. . . .:.(2) tensed state'i I

' . , 4 :_ . . '_~~ _ _ . __ . __ ~ ~ . _ .

(iii) ,ciVary body f ..cLl.Lar'y .-muscle~.. .. .. .. .. .. .. .... .. ...... f " ........ 1

.1; ~ ',"',;:(1v) Di ag r a m .

PAHALl.EL---_._- . . .. . .. . . .. " to .. 1rays from object )-_ .._. ~ : . _ 1 ;~ . ( '; . 1 . . . 1 r ._ _ ( - - ,ill:t C. 0 Y - " . / ~ ~ ~ . ; . , ; 0 '

I) r' ~'~~. ... ~b ~~ :~ - J .- ,. .,. . .. . . . . ." . .

... ':'.-,(iv)

. ..

'",,t'.------'---.....--,------_r__r_--- .........---'.,

(v ) ;later: reabeorpti


10/10

,Br eat hin g o nto co l d sur fac e',E.!.g. : : mirror)....r" ~ ". ,

w h Lt c to b l u e

( )"t1}.. ...('~(n_Ll{ .

bltit J v . - ' I,J....

.... .Obae r'va tLcn ..,~ ate r dr op l ets fo rme d(misty)

Br~ ath ing o nto d ry co ba l t.ch l. ord .d e'pa pe r

t ( , , : . :

(c) (d )

b l ue t o pin k

Brea thi ng on to an hyd rou sco ppe r s u l p hat e p owd er

BA - pLat.e Lets

n u c l e u s I vsc . . . . . . . . . . ' ..1

c : - chromosomes

Harks' .',

' .. I

a ny ONE 1+ 1ITO

( 0 + I) hi 'IT:

10

(d L ) A - cl ott ing 1D - ca rri er of 02 I CO 2 . . . . . . . . . .. . . . . . . . . . . . . . . . . 1E - def enc e / phagocytosis / secretion of antibodies and/or

antitoxin ~ 1

(iii) (1)\, (2 )

xx

- ---r J< ''''~

.. ,.._

(1v)

p l a s m a_-

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- .,Component A ny O NE examp l e

.. c-

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1985 Biology Paper I Marking Scheme

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