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THEORY QUESTIONS

WAEC SYLLABUS

1. Which of the following animal products is used in the production of buttons?

A. skin

B. fur

C. bone

D. horn

2. Subsistence farmers mostly practice

A. monoculture

B. monocropping

C. mixed cropping

D. crop rotation

3. A piece of land is said to be on lease to farmer when it is

A. given as compensation

B. purchased on credit

C. rented for a period

D. given as gift

4. Which of the following equipment is a farm implement?

A. dryer

B. shelter

C. mower

D. mist blower

5. A periodic maintenance activity carried out on the farm tractor is

A. checking of radiator water

B. checking of tyre pressure

C. changing of engine oil

D. cleaning after use

ANSWERS

6. Farm mechanization does not

A. involve the use of motorized equipment

B. require much capital

C. promote employment

D. involve the use of heavy machinery

7. Which of the following sources of farm power is the most versatile in West Africa?

A. Biogas

B. animal

C. wind

D. water

8. Farm surveying equipment include the following except.

A. Abney level

B. compass

C. Günter’s chain

D. spade

9. The system in which a farmer uses a piece of land for a period and abandons it for another is called

A. crop rotation

B. mixed cropping

C. shifting cultivation

D. Ley farming

10. A socio-cultural factor affecting land availability agricultural purposes includes use of land for

A. constructing roads

B. building houses

C. building factories

D. building religious houses

ANSWERS

11. Organisms which may be beneficial to crops include

A. nematodes

B. bacteria

C. viruses

D. protozoa

12. Which of the following rocks is sedimentary?

A. limestone

B. Gabbro

C. Granite

D. Marble

13. Soil profile is important in agriculture because it .

A. determines the soil catena

B. determines the type of land tenure system

C. gives indication of the type of crops to grow

D. promotes the weathering of rocks

14. What is the percentage of water content of a soil sample which weighed 180g when fresh and 120g when oven-dried?

A. 20.14%

B. 25.00%

C. 33.33%

D.60.00%

15. A soil sample with a pH of 4.45 is said to be

A. acidic

B. alkaline

C. neutral

D. fertile

ANSWERS

16. The property of soil which cannot easily be changed by a farmer is the

A. porosity

B. structure

C. texture

D. acidity

17. If a farmer continuously applies sulphate of ammonia to his farmland for many years, the resultant soil solution is most likely to.

A. leave blue litmus paper unchanged

B. change blue litmus paper to red

C. change red litmus paper to blue

D. be rich in soil microbes

18. Application of water to the sub soil through perforated pipes is known as

A. flooding irrigation

B. subsurface irrigation

C. sprinkler irrigation

D. overhead irrigation

19. Which of the following statements describes the impact of land degradation? I. increased availability of fuel wood II. Reduction in livestock production III. Decrease in agricultural productivity IV. pollution of water bodies

A. I, II and III only

B. I, III and IV only

C. II, III and IV only

D. I, II, III and IV only

20. Tobacco belongs to the group of crops called .

A. Fibres

B. Beverages

C. Stimulants

D.Cereals

ANSWERS

21. Maize is a popular crop in west Africa because it

A. is a cereal

B. has multiple uses

C. is of high nutritional value

D. was introduced from Europe

22. If the spacing of maize is 0.9m by 0.3m and one seed is sown per stand, what will be the population of maize plants on a hectare of farmland?

A.74,074

B.54,000

C. 37,037

D.27,000

23. The following crops require shade trees at the seedling stage except .

A. Theobroma cacao

B. Coffea spp.

C. Elaesis guineensis

D. Oryza Sativa

24. Crops which are primarily grown to provide food for farm animals are .

A. legumes

B. weeds

C. forages

D. grasses

25. Crop selection is advantageous because?

A. seeds are collected from sand with desirable traits

B. expertise is required in carrying the process

C. the breeders, patience is being tasked

D. the process is time consuming

ANSWERS

26. A fungus known as phytophthora palmivora is responsible for.

A. Panama disease of banana

B. Black arm disease of kola

C.Blackpod disease of cocoa

D. Blossom-end rot of tomato

27. Viral diseases of crops can be best controlled through.

A. vector control.

B. planting resistant varieties

C. spraying insecticides

D. sterilizing farm equipment

28. Piercing and sucking insect pest possess.

A. maxillae

B. mandibles

C. labrums

D. proboscis

29. Callosobruchus maculates is a common pest of.

A. sorghum

B. rice.

C. maize

D. cow pea

30. The use of pathogens to control dodder weeds is a .

A. physical method

B. mechanical method

C. biological method

D. cultural method

ANSWERS

31. The digestive function of the rumen in ruminant nutrition is enhanced by the .

A. absorption of water

B. presence of micro-organisms

C. absorption of food nutrients

D. retention of unwanted food materials

32. The duration of the oestrus cycle of a sow is

A. 14-28 days

B. 6-10 days

C. 3-5 days

D. 1-2 days

33. Natural immunity to diseases in Calves is acquired through access to

A. vaccine

B. colostrums

C. balanced diet

D. salt licks

34. If a sow conceives on the 5th day of June in a particular year, it will probably farrow the same year on

A. 8th August

B. 18th September

C. 28th September

D. 28th October

35. The act of parturition in rabbits is known as

A. calving

B. lambing

C. farrowing

D. kindling

ANSWERS

36. The extra oyster shell meal supplied to breeding hens .

A. prevents excess abdominal fats

B. prevents anaemia

C. aids inn hardening egg shells

D. shortens the incubation period of eggs

37. Iron is important in the diet of livestock for

A. teeth formation

B. feather production

C. hair formation

D. blood production

38. Established pasture cannot be harvested by

A. using the mower

B. zero grazing

C. using the combine harvester

D. cutting with sickle

39. The mating of a white Fulani bull and an N’dama cow could be termed.

A. inbreeding

B. line breeding

C. out breeding

D. cross breeding

40. Which of the following organisms is not an endoparasite?

A. Round worm

B. Liver fluke

C. tick

D. Cestode

ANSWERS

41. Which of the following compounds can be used to seal soil pores and prevent loss of water in a fish pond?

A. sulphur(iv)oxide

B. ammonium sulphate

C. calcium carbonate

D. potassium hydroxide

42. The demand for cassava is not affected by.

A. cost of production

B. taste of consumers

C. change in income

D. price of cassava

43. A farmer obtained a loan of #250,000 at a simple interest rate of 8% per annum to be paid in two years. What will be the interest the farmer will pay on the loan?

A. #20,000

B.#40,000

C.#250,000

D.400,000

A farmer bought a farm implement for #12,500 in 2007. At the end of the fourth year, he sold it for #4,300. Use the information to answer questions 44 and 45.

44. Calculate the total depreciation of the implement.

A. #16,800

B. #8,200

C.# 3,125

D.#1,075

45. The annual depreciation of the implement is

A. #4,300

B. #3,125

C. #2,050

D.#1,075

ANSWERS

46. Which of the following methods is inappropriate when introducing a new variety of rice to farmers?