WAEC past ques­tions re­view

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1. The de­vice which helps to reg­u­late heat in an in­cu­ba­tor is the A. ther­mome­ter. D. ther­mo­stat.

B. hy­grom­e­ter. C. in­su­la­tor.

There will be three pa­pers: Pa­pers 1, 2 and 3 all of which must be taken. Pa­pers 1 and 2 will be a com­pos­ite paper to be taken at one sit­ting.

PAPER 1: Will con­sist of fifty mul­ti­ple choice ques­tions to be an­swered within 50 min­utes for 50 marks.

PAPER 2: Will con­sist of six es­say ques­tions with each drawn from at least two themes in the syl­labus. Can­di­dates will be re­quired to an­swer five of the ques­tions within 2 hours 10 min­utes for 90 marks.

PAPER 3: Will be a prac­ti­cal paper for school can­di­dates and al­ter­na­tive to prac­ti­cal paper for pri­vate can­di­dates. It will con­sist of four ques­tions, all of which should be an­swered within 1½ hours for 60 marks.

2. Which of the fol­low­ing state­ments about crop pro­duc­tion is not cor­rect?

A. Onions are com­monly grown in the rain­for­est zones. B. Yam, co­coyam and cas­sava are grown in both the rain­for­est and the sa­van­nah re­gions. C. Some for­eign veg­etable crops are grown in and around ur­ban cen­tres. D. Car­rots are com­monly grown in the sa­vanna and moist veg­e­ta­tion belts.

3. Which of the fol­low­ing is a dis­ad­van­tage of sur­face ir­ri­ga­tion?

A. The quan­tity of wa­ter lost is high. B. Wa­ter is evenly dis­trib­uted over the farm­land C. It is very cheap to op­er­ate. D. The sys­tem is suit­able for paddy rice cul­ti­va­tion. 4. Fine soil tilth is pro­duced by the use of A. har­row. B. plough. C. ridger. D. mower.

5. The prob­lems of farm mech­a­niza­tion in West Africa in­clude the fol­low­ing ex­cept

A. re­duc­tion of farm drudgery. B. small farm hold­ings. C. poverty of farm­ers. D. poor to­pog­ra­phy.

Paper 2 (Es­say)

(1) (a) Ex­plain each of the fol­low­ing terms as used in an­i­mal pro­duc­tion:

(i) dip­ping; (ii) dry cow; [8 marks]

(b) De­scribe the life cy­cle of round­worm (As­caris lum­bri­coides). [4 marks] (c) Ex­plain the term farm mech­a­niza­tion. [2 marks] (d) Name four trac­tor cou­pled im­ple­ments [4 marks]

(2) (a) State six lim­i­ta­tions of farm mech­a­niza­tion in West Africa. [6 marks] (b) Sug­gest six ways of en­cour­ag­ing




quar­an­tine. farm mech­a­niza­tion in West Africa. [6 marks] (c) List four meth­ods of iden­ti­fi­ca­tion in cat­tle man­age­ment. [4 marks] (d) What is de­beaking in poul­try man­age­ment? [2 marks]

(3) (a) Men­tion two pro­cesses that re­lease car­bon diox­ide into the at­mos­phere[2 marks] (b) Name four stor­age pests of crops [4 marks] (c) State two func­tions of Potas­sium in crops. [2 marks]

(d) List three ways by which each of the fol­low­ing bi­otic fac­tors af­fects agri­cul­tural pro­duc­tion: (i) par­a­sites; (ii) soil or­gan­isms. [6 marks] (e) State four ad­van­tages of zero tillage. [4 marks]


Spec­i­mens A - Gran­ite B - Lime­stone C - Mar­ble 1.(a) Iden­tify spec­i­mens A, B and C. [3 marks] (b) Clas­sify spec­i­mens A, B and C ac­cord­ing to their mode of for­ma­tion. [3 marks]

(c) State three char­ac­ter­is­tics of each of spec­i­mens A, B and C. [9 marks]

2. (a) Dif­fer­en­ti­ate be­tween spec­i­mens A and B [ 6 marks ]

(b) State four ways in which spec­i­men A is im­por­tant [ 4 marks ]

(c) De­scribe the for­ma­tion of spec­i­men A [ 5 marks ]

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