ASJA BOYS’ COLLEGE CHARLIEVILLE END OF TERM EXAMINATION TERM 1 /FORM 5FK HUMAN AND SOCIAL BIOLOGY
December 2010 Paper 01 - General G eneral pro!c!enc" 75 minutes
READ THE FOLLOWING INSTRUCTIONS CAREFULLY 1.
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NAME: ________________________________________ DATE: ___________________________ _____________________________ __
FORM: _____________
DO NOT TURN THIS 4AGE UNTIL YOU ARE TOLD TO DO SO
2
1.
Whic Which h act activ ivit ity y is is ess essen enti tial al for for all all others to take place? a. b. c. d.
2.
c. d.
&.
a. b. c. d.
Moveme ement, dec decaay, sy synth nthesis Respiration, ntrition, preservation !xer !xerci cise se,, irri irrita tabi bili lity ty,, meta metabo boli lism sm Repr Reprod odc cti tion on,, exc excrreti etion, on, gro growt wth h
0.
% herbivore % carnivore %n omnivore % detritivore
3.
c. d.
5.
a. b. c. d.
16.
%daptation +election +pecialiation !voltion
iffsion !vaporation (smosis #ranspiration
arbon di dioxide Water egraded glc glco ose mo molecles %ir %ir space pacess wit within hin the the leave eavess
% mat matre re plan plantt cell cell is differ different ent from from a matre animal cell becase it has a. b. c. d.
"
iltration ehydration (smosis apillarity
#he oxygen released dring the process of photosynthesis comes from the a. b. c. d.
*n mlticelllar organisms, cells become different from one another in order to carry ot particlar particlar fnctions. fnctions. #his is called
* and ** only * and *** only ** and *** only ** and */ only
4ow doe doess oxy oxyge gen n pass pass ot ot thr thro ogh gh the the stomata of leaves? a. b. c. d.
#he #he dire direct ctiion of ener energy gy flow flow #he amont of food each animal eats #hat #hat plan plants ts star startt ever every y food food chai chain n #he #he ani anim mals als tha thatt are are pred predat ator orss
hloroplast mitochondrion ncles cell membrane
Which of the followi owing proces cesses is responsible for the movement of water ot of a plant cell? a. b. c. d.
Which of the following is '(# indicated indicated by the direction direction of arrows in a food chain a. b.
).
* ** *** */
#he #he bs bsh h pig pig whic which h has has been been obse observ rved ed to feed on a diet of plant roots as well as birds$ eggs, is a. b. c. d.
Whic Which h of the the fol follo lowi wing ng cell cell str strct ctr res es are associated with energy transfer?
excretion growth movement respiration
Whic Which h of of the the fol follo lowi wing ng list listss show showss three activities of all living organisms? a. b.
".
-.
% la large pe permane anent vacole ole Mitochondria % n ncles in in the the cytopl oplasm % cell membrane
11. 11.
* ** *** */ a. b. c. d. 12. 12.
c. d.
7hloem 7alisade mesophyll +pongy mesophyll 8ard cells
b. c.
*, ** and *** only *, *** and */ only ** and *** on o nly *, **, *** and */
d. 10. 10.
Res Respir pirati ation does does not not tak takee pl place ace Respiration takes place faster than photosynthesis 7hot 7hotos osy ynthe nthesi siss tak takes es plac placee fas faste terr than respiration #ran #ransp spiirat ration ion takes akes plac placee
d. 13. 13.
a. b. c. d.
(ne (ne of the the probl problem emss with with nt ntri riti tion on for for a vegetarian is that
a. b. c. d.
What What is is the the end end prod prodct ct of of diges digesti tion on of protein? a. b. c.
White bread arrots Water abbage * and ** only *** and */ only **, *** and */ only *, **, *** and */
*tems 15 and *, refer to the following enymes fond in the hman digestive system
a. ats ats and and oils oils are not prodc prodced ed by by plants b. 9arge :antities of food are needed to spply essential amino acids c. /itami /itamins ns prod prodce ced d by plants plants are of inferior :ality d. 9arge 9arge :ant :antit ities ies of of food food are are needed needed to spply essential minerals 1). 1).
+low rate of reaction 4igh rate of reaction Reac Reacttion ion re:i e:irring ing high higher er temperatres 'o reaction
Whic Which h of the the fol follo lowi wing ng foo foods ds wol wold d M(+# likely prevent constipation? * ** *** */
#he #he form ormati ation of cel cell wall walls. s. #he formation of chlorophyll. #he fo formati ation of of pr prote oteins. ns. #he #he pr proces ocesss of of cel celll div diviision sion..
;eep ;eep the the ln lngs gs fill filled ed to capa capaci city ty continosly +erve to increase the absorptive srface of the lngs %re %re fi filled lled with with oxy oxygen gen to to kee keep p the lngs in an expanded state 7rev 7reven entt the the lng lngss fro from m col colla laps psin ing g
Whic Which h of the the foll followi owing ng wo wold ld M(+# M(+# likely occr if enymes were '(# present in living cells? a. b. c.
Magn Magnes esi im m is an ess essent entia iall eleme element nt for for a. b. c. d.
1&. 1&.
a.
7lant 7lantss giv givee off off oxy oxyge gen n in the the day day becase a. b.
1". 1".
1-. 1-.
*n whi which ch of of the the fol follo lowi wing ng cel cells ls of of a green leaf does photosynthesis occr?
d. 7olypeptides #he #he aveol aveolii of the the lng lngss of a mamm mammal al
%mino acids atty acids 8lcose &
amylase pepsin lipase trypsin
15. 15.
Whic Which h eny enyme me wo wold ld wor work k best best in in an acid p4?
26. 26.
Whic Which h eny enyme me is is conc concer erne ned d with with the the breakdown of fat?
21.
Which Which e:at e:ation ion repr represe esents nts anaerob anaerobic ic resp respira irati tion? on? a.
-(2 < -42(
-412(- < -(2 < !nergy
b.
-412(-
< -(2
-(2 < -42( < !nergy
c.
-412(-
224)(4 < 2(2 < !nergy
d.
--412(- < -(2
-(2 < -42( < !nergy
=========================== ================================================== ======================================================= ====================== = 22.
#he follow following ing diagra diagrams ms are being being sed sed to demonstrate the action of a model of the hman breathing system.
c. d. 2).
Which diagram correctly indicates what happens dring exhalation?
Which Which of of the the foll followi owing ng are are like likely ly effe effects cts of cigarette smoking? *. **. **. ***. */.
a.
a. b. c. d.
b.
2-. 2-.
c. 2".
b. c. d.
2&. 2&.
d.
!ach !ach alve alveol ols s has has a large arge bloo blood d spply. !ach alveols is only 6.1>6.2 mm in diameter. #her #heree are are app appro roxi xim matel ately y 1)6 1)6 mil milli lion on alveoli in each lng. #he #he wal walls ls of the alve alveol olii ar are onl only y one one cell thick.
Whic Which h of the the fol follo lowi wing ng doe doess '(# '(# occ occrr when an animal breathes ot? a. b.
9ng cancer *nhi nhibit bition of of gase gaseo oss exc excha hang ngee %ddiction 4allcination * and ** only *, ** and *** only **, *** and */ only *, **, *** and */
#he #he diag diagra ram m belo below w shows shows the the loca locati tion on of some maor endocrine glands in hmans. #he secretion from which of these glands wold be associated with preparation of the body for rapid escape from danger?
Which Which featr featree of of alve alveoli oli decrea decreases ses the distance over which oxygen and carbon dioxide molecles diffse? a.
#he #he exte extern rnal al int inter erco cost stal alss msc mscle less rela relax x #he #he vol volm mee of of the the thor thorax ax decr decrea ease sess
#he #he pre press ssr ree in in the the thor thorax ax decr decrea ease sess #he diaphragm mscles relax )
20. 20.
#he #he diagr diagram am show showss a sec secti tion on of of the the heart from the front.
b
@lood flows in plses 4ave thick msclar walls @lood low in (2
c d
25.
a. c. 23. 23.
2 only & only
b. d.
"6.
1 and " " and &
Whic Which h of the the fol follo lowi wing ng comp compar aris ison onss between arteries and veins is '(# correct?
a
A)!)i!" /alves present
#he valve valve betw between een the left left atri atrim m and and left left ventricle is called the a. b. c. d.
Which blood vessels carry oxygenated blood?
a.
V!in" /alves absent
-
@lood flows smoothly 4ave thin walls @lood high in (2
plm plmon onar ary y sem semi>ln >lnar ar valv valvee aortic semi>lnar valve tricspid valve bicspid va valve
#he follow following ing diagra diagrams ms show show str strct ctres res fond in the blood. Which strctre is phagocytic? b.
d. c. "1. "1.
d. #he #he dia diagr gram amss sho show w fo forr par parts ts of hman blood.
Which parts are involved with the transport of carbon dioxide and which parts with the destrction of bacteria?
a. b. c. d. "2. "2.
c. d.
2 and " 2 and & 1 and & 1 and &
@rea @reakd kdow own n of ins insolb olble le thr threads eads onversion of insolble fibrin to solble fibrinogen onv onver ersi sion on of sol solbl ble fib fibrrinog inogen en to insolble fibrin reation of of so solble ble th threads
Whic Which h of the the fol follo lowi wing ng sb sbst stanc ances es redces blood sgar in the hman body? a. b. c. d.
"&. "&.
estrction of bacteria
What What is is the the fnc fncti tion on of of plat platel elet etss in wond healing? a. b.
"". "".
#ransport of carbon dioxide 1 and " 1 and " 2 and & " and &
*nslin 8lycogen 8lcagon %drenaline
#he #he ret reter er car carri ries es ri rine ne fro from m the the a. b. c.
;idney to bladder ollecting tble to the pelvis 'eph 'ephro ron n to to the the col collecti ecting ng tbl blee
0
@ladder o ot of of th the bo body
"). ").
Whic Which h sbs sbsta tanc nces es are are fon fond d in the the glomerlar filtrate in the kidneys of a mammal? 8lcose a b c d
"-. "-.
b. c. d.
7rotein +alts
*t tak takes es sgar gar molec olecl les es ot ot of of the blood *t reglates the concentration of the blood *t dea deam minat inates es ami amino aci acids to r rea *t remo remove vess larg largee mole molec cle less form form the blood
Which two strctres help to increase heat loss from the body? a. b. c. d.
Whic Which h of the the fol follo lowi wing ng fnc fncti tion onss are are performed by a rib? * ** *** */ a. b. c. d.
"3. "3.
#he #he diag diagra ram m show showss a sect sectio ion n thro throgh gh hman skin
4ow 4ow is is a work workin ing g kidn kidney ey dia dialy lysi siss machine similar to a healthy kidney? a.
"0. "0.
"5. "5.
&6. &6.
@lood formation 7rotection 9ocomotion +pport
1 and 2 2 and " " and & & and )
#he #he diag diagra ram m show showss thre threee bones bones fro from m the the forelimb of a mammal.
* and ** only nly * and */ only ** and and *** *** onl only *, ** and and */ */ onl only y
Whic Which h orga organ n con contr trol olss the the concentration of sgar in the blood? a. @rain b. ;idney c. 7ancreas d. +tomach
@etween which two parts is a ball and socket oint formed? a. b. c. d. &1. &1.
4ow 4ow does does car carti tila lage ge diff differ er fro from m bone bone?? a. b. c. d.
3
1 and " 1 and ) 2 and ) " and &
*t contains protein *t is alive *t is flexible *t is made of of calc alcim sa salts
&2. &2.
% finge fingerr that that to toche chess a hot hot obe obect ct is is :ickly taken away from the sorce of heat. What is the role of relay nerones in this response? a. b. c. d.
&".
#o carr carry y ner nerve ve imp impls lses es with within in the the spinal cord #o generate implses in the receptors of the finger #o link the sen sense orga organs ns to the sensory nerons #o pass pass nerv nervee imp impl lse sess ot ot to to the the nerones
#he diagra diagram m show showss a sectio section n of the brain. brain.
*n the diagram, which part prodces hormones? &&.
*f an obect obect is thrown thrown toward towardss yo, yo, yor yor eyes blink. #he receptors and effectors for this reflex action are the a. b. c. d.
&).
Retina an and ey eyelid m mscles Retina and ciliary mscles 7pil and ey eyelid m mscles 7pi pil and and ciliary mscles
*n a reflex reflex action action,, after after the hand toches toches a hot obect, what is the role of the brain? Receives information
a. b. c. d.
5
*nitiates the withdrawal response
&-. &-.
#he #he dia diagr gram am show show the the wor worki king ng of a synapse between two nerones
&3. &3.
#he #he eye eye is som somet etim imes es ref refer erre red d to as as an effector organ becase a. b. c. d.
&5. &5.
What do the arrows 1 and 2 represent? a. b. c. d.
&0. &0.
1
2
hemical transmitter hemical transmitter 'erve implse 'erve implse
+low acting hormone hemical transmitter hemical transmitter +low acting hormone
What What happ happen enss to the these se str strc ct tre ress when when focssing on an obect near the eye?
a. b. c. d. )6.
d.
16
iliary mscles ontract ontract Relax Relax
+spensory ligaments #ighter 9ooser #ighter 9ooser
#he fncti fnction on of of the the lym lymphat phatic ic sys system tem in the hman body is to a. b. c.
#he #he diagr diagram am show showss a sect sectio ion n thro throgh gh the hman eye. Where will an image be detected when a person looks at an obect?
#he #he pp ppiil con consstri tricts cts in in the the pre prese senc ncee of bright light #he rods and cones are stimlated by light *mages ages whic which h fal falll on on the the reti etina are are sent to the brain 'er 'eron onss from from the eye eye lea lead d to to the the central nervos system
@rin @ring g nt ntrient ientss back back to the body body arry the tisse flid ot of the body Rem Remove ove exc exces esss flid id and and for forei eign gn material from the tisse space Rem Remove ove poi poissono onoss sb sbst stan ance cess and and other waste materials form the blood
)1. )1.
#he #he diagr diagram am show showss a verti vertica call sect sectio ion n of a molar tooth.
)".
ive ive days days after after sexal sexal interc intercor orse, se, a man man experiences a brning pain in his penis when passing rine. % few days later, a yellow discharge was seen coming from his penis. #he man was sffering from
a. b. c. d. )&. )&.
b. c. d.
)2. )2.
4ow 4ow does does the the femal femalee oral oral contr contrace acept ptiv ivee pill work? a. *t prev prevent entss sperm sperm from from penetr penetrati ating ng the the ova b. *t prevents the release of ova c. *t stop stopss implan implantat tation ion of of the the embry embryo o d. *t denatr denatres es enymes enymes in the sperm sperm
Which reslts in damage at A? a.
%*+ gonorrhoea ringworm typhoid
@act @acter eriia pr prodc odcee aci acids ds whic which h dissolve A. !nyme activity in saliva makes a hole in A. @acteria fe feed on A. +ga +garr pro prod dce cess alk alkal alis is which hich dissolve A.
)). )).
% srg srgic ical al met method hod of of birt birth h cont contro roll involves ctting some of the tbes throgh which sperm pass. %t which point does the srgeon make the cts?
or or tes test> t>t tbes bes,, each each conta contain inin ing g 2 cmB of starch sspension and 1 cmB of amylase soltion, were treated as shown in the table. *n which test>tbe wold starch be digested most rapidly? #est tbe
#reatment
a.
;ept at 06 C
b.
1cmB of hydrochloric acid addedD kept at &)C
c.
;ept at ")C
d.
ontents boiledD 1cmB of hydrochloric acid addedD kept at &)C
11
)-. )-.
#he #he diagr diagram am show showss the the arran arrangem gemen entt of blood vessels in the ters wall and placenta of a pregnant woman.
.
Which will increase in concentration in the blood as it flows from 1 to 2? a. b. c. d. )0. )0.
%mino acids arbon dioxide 8lcose (xygen
#he #he diagr diagram am show showss a sec secti tion on of of the the female reprodctive system with a method of birth control at A.
What is the method of birth control shown and how does it act? a. b . c. d
@irth control method
%ction
ap EdiaphragmF ap Ed EdiaphragmF
+tops implantation 7revents sp sperm fr from entering the ters
*ntraterine device E*GHloopHcoilF *ntraterine device
+tops implantation 7revents sperm from
12
E*GHloopHcoilF
entering the ters
)3. )3.
What What is an adv advant antag agee of feedi feeding ng a baby with bottled milk rather than breast milk? a. b. c. d.
)5. )5.
-6. -6.
#he #he diag diagra ram m show showss part part of of the the mal malee reprodctive system and rinary system.
@rea @reast st milk ilk con conttains ains ant antibodi bodies es *t is easier to keep the milk free of pathogens #he #he baby baby$s $s intak ntakee of food ood can can be measred #he #he milk ilk is is alwa alway ys at at the right ight temperatre
#he #he dia diagr gram am show showss the the fema female le reprodctive system. % ct is made at A on both sides of the body and the tbes are sealed. Which process wold be prevented? a. fertilisation c. ovlation
*n which parts are the eggs and the ygote formed respectively? a. 1 and 2 c. 2 and 1
b. d.
1 and " 2 and "
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b. d.
meiosis rination
