enwaecagricusc2010

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THEORY QUESTIONS

WAEC SYLLABUS

1. Which of the following land tenure systems allows for individual ownership?

A. Land Pledge system

B. Freehold system

C. Leasehold system

D. Tenancy at the will of Government.

2. The development of Agriculture is West Africa is not generally affected by

A. ignorance.

B. religious beliefs

C. poor marketing

D. population Size.

3. The most common grazing system in West Africa is

A. continuous grazing

B. strip grazing

C. rotational grazing

D. zero grazing

4. Which of the following is not a role of government in agricultural production?

A. provision of labour

B. provision of subsidies

C. Building of storage facilities

D. Provision of loans and credits.

5. The main reason for establishing games reserve is to prevent wildlife form

A. being poached

B. Being hunted periodically

C. attacking tourists

D. becoming extinct.

ANSWERS

6. Which of the following practices agricultural development?

A. Growing disease-resistant crops

B. Planting late maturing crop varieties

C. Banning importation of pesticides

D. Encouraging communal land tenure system.

7. The biotic factor which derives much benefit from livestock and reduces productivity is a

A. predator

B. parasite

C. pathogen

D. microbe.

8. The removal of top soil from a small area of soil surface due to the impact of rain drops is known as

A. sheet erosion

B. rill erosion

C. gully erosion

D. splash erosion.

9. Which of the following groups of crops grows best in the savanna zones on West Africa?

A. Cotton, millet and groundnut

B. Cocoa, kola and oil palm

C. Cotton, cocoa and Guinea corn

D. Banana, rubber and millet

10. High temperature and pressure convert sandstone to

A. basalt

B. quartzite

C. coal

D. limestone.

ANSWERS

11. Which of the following factors is both a physical and a chemical agent of rock weathering?

A. temperature

B. Animal

C. Water

D. Oxygen.

12. Physical properties of clay soil include

A. low porosity and low capillarity

B. high porosity and high capillarity

C. low porosity and high capillarity

D. high porosity and low capillarity

13. Streak disease of maize is caused by

A. virus

B. nematode

C. fungus

D. bacterium.

14. In the carbon cycle, atmospheric carbon dioxide is replenished by

A. respiration

B. transpiration

C. lightning

D. denitrification.

15. The following farming practices exposes the soil to agents of erosion except

A. bush burning

B. land clearing

C. crop rotation

D. overgrazing.

ANSWERS

16. Which of the following effects is not due to water logging?

A. Inhibition of crop development

B. Enhancement of leaching

C. inhibition of the activities of soil micro organisms

D. wilting of crop roots.

17. An advantage of sprinkler irrigation is that

A. it assists farmers to raise a greater variety of crops

B. it is easy to install

C. large areas of land can be irrigated

D. it can be afforded by peasant farmers

18. The main sources of farm power in West Africa are

A. wind, solar and mechanical

B. human, animal and mechanical

C. mechanical, solar and human

D. electrical, mechanical and solar.

19. The function of the mould board in a mould board plough is to

A. cut a horizontal line in the soil

B. give support to the share

C. invert the furrow slice

D. keep the equipment steady during operation.

20. The objectives of farm mechanization include the following except to

A. obtain higher farm yield.

B. carry out farm operations quickly

C. improve the quality of farm produce

D. produce disease resistant crop varieties.

ANSWERS

21. The survey instrument used for measuring horizontal and vertical angles on the field is the

A. theodolite

B. prismatic compass

C. offset staff

D. arrow.

22. A farmstead should be located close to a source of water because of the following reasons except

A. reduction of overhead cost

B. operation of efficient irrigation system

C. processing of farm produce

D. erosion of farm structures.

23. Which of the following activities are cultural practices? I. Harrowing II. Filling-in III. Mulching

A. I and II only

B. I and III only

C. II and III only

D. I, II and III.

24. Training of yam vines is important to

A. ease passage in the farm

B. suppress weeds

C. increase photosynthesis

D. prevent rodent attack.

25. Grafting involves the

A. fusion of the gametes of two plants

B. inducement of rooting from two stems

C. transfer of a bud from one plant to another

D. joining of two parts from related plants.

ANSWERS

26. Which of the following products is not from coconut?

A. Candy

B. Copra

C. Oil

D. Jam

27. The most convenient method of fertilizer application used when crops have been planted in rows is

A. foliar application

B. broadcasting

C. drilling

D. ring placement.

28. Which of the following is not a characteristic of weeds?

A. Resistant to trampling

B. Produces numerous seeds

C. Seeds have short period of validity

D. Aggressive growth habit.

29. Coffea spp. grows best

A. on lowlands

B. on highlands

C. in mangroves

D. in rainforests.

30. A major raw material of the paper industry is

A. pulp

B. gum

C. latex

D. bark.

ANSWERS

31. Which of the following farming practices are cultural methods used to control pests and diseases? I. Crop rotation II. Mixed farming III. Monoculture.

A. I and II only

B. I and III only

C. II and III only

D. I, II and III.

32.The recommended spacing for oil palm cultivation is

A. 9m triangular

B. 9m × 9m

C.12m ×12m

D. 12m triangular.

33. Which of the following plants is a pasture legume?

A.Cynodon plectostachysus

B.Stylosanthes gracilis

C. Panicum maximum

D.

34. Pennisetum purpureum Mould growth on cereal grains stored in damp conditions is caused by

A. bacterium

B. fungus

C. virus

D. nematode.

35. Corms, rhizomes and tubers are examples of

A. underground stems

B. underground roots

C. modified leaves

D. aerial stems.

ANSWERS

36. Which of the following operations takes place in a ginnery?

A. Production of cotton seed oil

B. Detoxication of cotton seed

C. Separation of cotton seeds from lint.

D. Production of cotton seed cake.

37. The maize stem borer is best controlled by

A. destroying and burning all the affected crops

B. erecting physical barriers on the farm

C. using scare crows on the farms

D. hand-picking from infested crops.

38. Disease resistance is one of the aims of crop improvement because it

A. enables crops withstand attack by pathogens

B. makes the harvesting of crops easy

C. enables crops adapt to climatic conditions

D. leads to early maturity in crops.

39. Which of the following characteristics is not important in beef cattle breeding?

A. High fertility

B. Increased butter fat percentage

C. Good feed conversion efficiency

D. High yield of lean meat.

40. The milk let down hormone in farm animals is called

A. adrenalin

B. oestrogen

C. oxytocin

D. progesterone.

ANSWERS

41. Rabbits can digest roughages because they possess

A. large intestine

B. enlarged caecum

C. long colon

D. small rectum.

42. Natural immunity can be conferred on newly-born animals through

A. vaccination

B. administration of antibiotics

C. feeding with colostrums

D. strict sanitation

43. The average gestation period in sheep is

A. 30 days

B. 50 days

C. 150 days

D. 270 days.

44. Feed given to animals solely to sustain their weight is called

A. balanced ration

B. maintenance ration

C. production ration

D. weaner ration.

45. Which of the following feed stuffs requires much processing before being fed to animals?

A. Cassava

B. Sorghum

C. Maize

D. Groundnut.

ANSWERS

46. Mating ion poultry is known as

A. servicing

B. treading

C. tupping

D. breeding.

47. The casual organism of anthrax in farm animals is known as

A. Baccillus anthracis

B. Brucella abortus

C. Mycobacterium spp.

D. Aspergillus spp.

48. Which of the following fish species is found in fresh water?

A. Sardine

B. Tilapia

C. Salmon

D. Herring.

49. The disease which affects only animals other than humans is

A. anthrax

B. rinder pest

C. brucellosis

D. trypanosomiasis.

50. Prevention of animal disease involves the following practices except

A. rearing disease-resistant

B. carrying out rotational grazing

C. identifying the source of diseases

D. feeding balanced ration.

ANSWERS

51. Which of the following organisms is an ecto-parasite of farm animals? A. Tape worm B. Louse C. Liver fluke D. Roundworm.

52. Which of the following factors is the least important in selecting a site for a fish pond? A. Topography of the site B. Soil type C. Availability of water D. Availability of manure.

53. The preservation method which results in the greatest water loss is A. freezing B. steaming C. salting D. smoking.

54. An infectious disease of livestock characterized by sudden death and black bloody discharge from the nose, mouth and eyes is known as A. anthrax B. brucellosis C. Pleuropneumonia D. tuberculosis.

The table below is a schedule for the market demand and supply of pumpkin. Use it to answer questions 55 and 56.

ANSWERS

56. What is the equilibrium price of pumpkin?

A. ₦10

B. ₦20

C. ₦30

D. ₦40

57. The source of credit with the most unfavourable terms of payment in West Africa is

A. financial institutions

B. governments

C. marketing boards

D. money lenders.

58. Which of the following items is a liability to a farm?

A. Accounts payable

B. Cash in bank

C. Prepayment

D. Accounts receivable.

59. Which of the following problems are associated with agricultural marketing in West Africa? I. Seasonality of produce II. Transportation of produce III. Access to credit.

A. I and II only

B. I and III only

C. II and III only

D. I, II and III.

60. The extension methods that will benefit only the literate farmers are

A. radio

B. television

C. demonstration

D. newspapers.