FORM ONE CLASS BIOLOGY PAPER END ... - FREE KCSE PAST …

FORM ONE CLASS BIOLOGY PAPER END OF THE YEAR EXAMINATION 2017 NAME.................................................................................................................................. CLASS.........................................................DATE................................................................... SECTION A (40 marks) Attempt all questions

...1......2.........3...4.........................SIWLd.....................itseaht.....................ntitec.....................thhitfr.....................hyea.....................epethp.....................turwa.....................esreoea.....................sftmcor.....................uoohrsaf.....................afiriern.....................esanebu.....................cetrpsr.....................eaeagrn.....................dsyicst.....................fothpoib.....................eacrtssp.....................aceosai.....................rntftsuec.....................lidvhdv.....................iiisientn.....................ihtdgg:r.....................wifotnl.....................hywuibig.....................wnnihgog......................fsrlti.....................oe.hneg(e.....................s3kye.....................mpc.cs(rt.....................k2eossmp.....................c()ae1.....................kssmsts.....................p)ko.....................a)fp.....................ere.....................rss......................pci.....................orma.....................ti.....................o.....................n .....................(3.....................m.....................k.....................s)............................................

................................................................................................................................................ ................................................................................................................................................. 5. Name any two apparatus that can be used for magnifying a specimen (2mks) ................................................................................................................................................. ............................................................................................................................................. 6. (i)what is classification (1mk)

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(ii) Identify any two external features that can be used in classifying a living thing (2mks) ................................................................................................................................................. .................................................................................................................................................

7...8......9O...1u...0...nr...............WSA.git...............taTradhrnh...............taoiieecsn...............ehmcgts...............owen,t...............tahoOttmh...............oerfengu...............neanfag...............inocfsmrorelt...............aolgirolesol...............ifsewvnrb...............eseisirs,enno...............oosgpwtf...............croaigitnne...............shaaintion...............eptsrri...............cescadfyieifpee...............ceslearnltr...............relmstosli...............ymsftveotc...............iismns?aw,...............icltbc(l:hre1...............erewoadmla...............lwnspsDk,...............weir)nitag................i(fgsc2ri...............tsetmcaiueco...............rekkemi...............csass,s)p...............tbeclhreep...............eoaxl...............lwissat.t...............rynpt.i...............aio(p1................fTemc...............orslka................wc)s...............ohsmii...............fcihc...............at...............tai...............oxon...............n(...............o1...............mm...............kic)....................

11. State one function of the cristae projections that form the inner membrane of the mitochondria. (1mk) ................................................................................................................................................ ................................................................................................................................................ 13. State two activities that are controlled by the nucleus (2mks) ................................................................................................................................................

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................................................................................................................................................. 14. What is the significance of the principle of surface area to the volume ratio in living things (2mks) ................................................................................................................................................ ................................................................................................................................................ .................................................................................................................................................

...1E.........1.........1x657.....................p... .....................lS(Tai(oh).....................iiinieW)l.....................W(pd2h.....................oimaah.....................ltlgauk.....................rtnsta.....................aii)mosm.....................ntfhbore.....................woerei.....................siflmtro.....................ehgweei.....................cvaphse.....................nhaeni.....................osmnttwg.....................oipcso.....................atahfpw.....................lseeth.....................hrsmsaeu.....................tvcot.....................hihevsa.....................rieatmp:ms.....................pwce.....................aewynsn.....................wastsni......................moftirodf.....................eielfe.....................aaoskto.....................pciloesdl.....................aneanap.....................d(lta1so.....................scmntte.....................opgkl.....................alt)tpwhh.....................eeeh.....................rsedo......................nece.....................oaspmot.....................lhap.....................choe.....................afdgp.....................uilna.....................sn?a.....................t(s.....................1.m..........................................k)...

certain solution.

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Solution

Cellulose cell wall

cytoplasm Cell membrane

Cell vacuole

p......1......((...(i1i8l)i...............a)m.WnW...............(ktih))...............shiDca(...............1het...............mfiiiss...............nktet)...............hhte...............ehd...............enfiora...............stormae...............fdrrem...............eveag...............pnipv...............htaeao...............sngtt...............eotpos...............oayptf...............nhett...............ehrhse...............epvsrp...............isoirs...............ioct:(ec...............1wsem...............swsstk...............wh)y................afort...............euhe...............hkaa...............csvs...............teeap...............knae...............asnmt...............ppe...............alpda...............ect...............reos................itcnh...............otem...............hte...............ecr...............ree...............lls...............tarb...............iao...............lv.............e. ...............

(ii) State any two requirements for photosynthesis (2mks)

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................................................................................................................................................. 19. A certain animal has the following dental formula

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0

0

3

2

i

c

pm

m

= 30

4

0

3

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Identify the mode of feeding of the animal whose dental formula is given above. Give a reason for your answer (2mks)

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20. Differentiate between parasitism and symbiosis (2mks)

...2..................2......21............................. ...........................SStt...........................aa............t...............tee...........................to...........................wn...........................oe ...........................sfut...........................rnfuor...........................cocrt...........................tifuor...........................ernea...........................slpo...........................fauf...........................sntth...........................cpte...........................aiopc...........................nue...........................rtosic...........................fvlep...........................isr(...........................iot2:t...........................mwe...........................iwkns...........................ws)............................(f1r...........................eme...........................kk...........................c)s...........................ep...........................a...........................st...........................p...........................ap...........................e...........................rs............................c...........................om..........................................................................................................................................................................................................................................................

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SECTION B (40 MARKS) 23. The following diagram represents a set up that can used to investigate a plant process.

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