RIO CLARO HIGH SCHOOL

RIO CLARO EAST SECONDARY SCHOOL

AGRICULTURAL SCIENCE (Single Award)

MOCK CXC EXAMS 2012FORM 5 GROUPS 2, 3, 4

TEACHERS: Mr. Ramdatt, Mrs. Maharaj, Mrs. Bhika-Shah

PAPER 01 - GENERAL PROFICIENCYTIME: 1 hr 15 mins

NAME: ____________________________FORM 5 GROUP _________

1. This test consists of 60 items. You will have 75 mins to answer them

2. In addition to this test booklet, you should have an answer sheet.

3. Each item in this test has four suggested answers lettered (A), (B), (C), (D). Read each item you are about to answer and decide which choice is best.

4. On your answer sheet, find the number which corresponds to your item and shade the space having the same letter as the answer you have chosen. Look at how it is done in the sample item below.

5. If you want to change your answer, be sure to erase it completely before you fill in your new choice.

6. When you are told to begin, turn this page and work as quickly and as carefully as you can. If you cannot answer an item, omit it and go on to the next one. Your score will be the total number of correct answers.

DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO

8

1. A person who engages in primary agricultural production is known as

(A) a farmer

(B) a manager

(C) an engineer

(D) an educator

2. Which of the following is NOT a factor of production?

(A) labour

(B) land

(C) capital

(D) climate

3. Total income minus total expenditure determines the

(A) net profit

(B) net income

(C) gross income

(D) fixed costs

4. A person whose job is to design, modify and maintain agricultural buildings and equipment has a career as

(A) an engineer

(B) an educator

(C) a manager

(D) a journalist

5. A farmer decides to grow corn (maize) on his poultry farms so as to provide feed for his birds and utilise the manure from his pens. This type of farming is called

(A) exotic

(B) integrated

(C) monocropping

(D) organic

6. Which of the following is LEAST likely a constraint to small crop farmers?

(A) Land tenure system

(B) Extension service

(C) Access to marketing facilities

(D) Availability of machinery

7. A lack of rural infrastructure in an area could promote

(A) rural - urban drift

(B) urban – rural drift

(C) environmental issues

(D) interest in agriculture

8. Which of the following describes ‘subsistence farming’?

(A) Growing crops on the types of soil that can sustain them

(B) A method practised on large plantations to supply food for their workers

(C) An extensive system, utilizing complex farming methods

(D) Growing food mainly to meet one’s requirements and selling the surplus

9. The professional concerned MAINLY with plant diseases is the

(A) veterinarian

(B) entomologist

(C) microbiologist

(D) pathologist

10. The process whereby commodities are utilized is known as

(A) marketing

(B) production

(C) consumption

(D) management

11. In food safety, the abbreviation, G. M. P. stands for

(A) Good Manufacturing Practices

(B) Good Marketing Practices

(C) Gross Marginal Products

(D) Gross Marketing Products

12. The major function of the agricultural section of the Caribbean Development Bank is to

(A) disburse loans to Caribbean governments for agricultural development projects

(B) advise governments on agricultural development projects

(C) give financial help to regional extension services

(D) provide agricultural information for farmers

Item 13 refers to the pie chart below which shows land use in a certain Caribbean country

13. Approximately how much of the land is actually used for agriculture?

(A) 75%

(B) 50%

(C) 25%

(D) 20%

14. To increase coffee production, the Government provides incentives through land cultivation and planting material. This incentive is known as a

(A) subsidy

(B) reward

(C) tax

(D) credit

15. Which of the factors listed below may MOST likely affect the demand for tomato?

I. The quantity that is offered for sale

II. The income levels of the consumer

III. The market price that it is sold at

(A) I only

(B) I and III only

(C) I and II only

(D) II and III only

16. All of the following functions are true of agricultural co-operatives EXCEPT

(A) providing inputs of production to member farmers at reduced cost

(B) providing services such as transportation and farm mechanisation

(C) helping in the marketing of products

(D) hoarding produce in times of scarcity

17. Which of the following may be the result of global warming?

I. Drought

II. Flooding

III. Dehydration and death of animals

(A) I only

(B) I and II only

(C) II and III only

(D) I, II and III

18. Which of the following are essential for a banker to consider when processing a loan application from a farmer?

I. Collateral

II. Project proposal

III. Credit history

IV. Character references

(A) I and II only

(B) III and IV only

(C) I. II and III only

(D) II, III and IV only

19. Produce consumed by the farm family is considered as

(A) an expenditure

(B) a variable cost

(C) a fixed cost

(D) an income

Item 20 refers to the following diagram

20. The graph above MOST likely represents the

(A) law of supply

(B) law of demand

(C) food conversion ratio

(D) law of diminishing returns

21. A complete budget is prepared

(A) after selling produce

(B) before claiming subsidies

(C) before starting an enterprise

(D) when adding a new enterprise

22. The type of soil that is formed in an area depends MAINLY on the

(A) surface run-off

(B) type of vegetation

(C) water holding capacity

(D) type of parent material

23. Which of the following is composed MAINLY of organic material?

(A) Silt

(B) Clay

(C) Sand

(D) Humus

24. All of the following may be described as physical agents of weathering EXCEPT

(A) rainfall

(B) soil organisms

(C) wind

(D) temperature

25. Which of the following may be described as a physical property of soil?

(A) Permeability

(B) Soil pH

(C) Organic matter content

(D) Macronutrients

Item 26 refers to the following cycle

Oxygen and carbon dioxide

in the atmosphere

All living organismsFood manufactured

Utilise oxygenby plants

Oxygen released

Into the atmosphere

26. The atmospheric gas being utilized in the manufacture of food by plants is

(A) oxygen

(B) nitrogen

(C) hydrogen

(D) carbon dioxide

27. Contour drainage is MOST desirable on

(A) level grounds

(B) low-lying areas

(C) eroded lands

(D) steep hilsides

28. Legumes are used in a crop rotation because they

(A) deplete soil of nitrogen

(B) add nitrogen to the soil

(C) help to control weeds

(D) take a longer time to mature

29. Which of the following is NOT an organic fertiliser?

(A) Compost

(B) Crop residues

(C) Farmyard manures

(D) Sulphate of ammonia

30. The main purpose of applying a mulch to soil is to

(A) increase soil temperature

(B) prevent weed growth

(C) improve the humus content

(D) conserve soil water

31. When using a garden fork, it should be inserted at a slight angle (not vertically) into the ground

(A) for ease of penetration into the soil

(B) to protect organisms in the soil

(C) to improve drainage of the soil

(D) to increase aeration of the soil

32. The process whereby dried grass is placed around the base of plants to keep the area moist is termed

(A) staking

(B) moulding

(C) mulching

(D) irrigating

33. Burning as a form of land clearing is NOT advisable because it

(A) leaves the soil black

(B) breaks down the soil texture

(C) removes nutrients from the soil

(D) increases atmospheric pressure

34. The purpose of the furrow wheel on a disc plough is to

(A) compress the soil in a furrow

(B) give the plough independant suspension

(C) allow the plough to ride over any obstructions in the soil

(D) stabilise the plough so that it maintains course

35. Which of the following structures regulate water loss in a leaf?

(A) Stomata

(B) Guard cells

(C) Epithelial cells

(D) Mesophyll cells

36. An advantage of sexual reproduction in plants is

(A) elimination of polyembryony

(B) immunity to pests and diseases

(C) variation and adaptability of plants

(D) speed and ease of replication of plants

37. Genes are arranged in order along the

(A) DNA

(B) gametes

(C) genotype

(D) chromosomes

38. A tall pigeon pea plant with the genotype, Tt, is crossed with a dwarf pigeon pea plant with the genotype, tt.

What is the possible phenotype of the offspring?

(A) ¾ tall plants, ¼ short plants

(B) ½ tall plants, ½ short plants

(C) All short plants

(D) All tall plants

39. Farmer Khan observed his tomato crop turning yellow. He uprooted a few and saw rot knots. This is a sign of infestation by

(A) virus

(B) fungus

(C) bacteria

(D) nematodes

40. For which of the following reasons is a farmer MOST likely to operate his farm without machines?

I. The farm is located on steep terrain

II. The size of the farm is too small for mechanization

III. It is cheaper to do large scale production with manual labour

(A) I and II only

(B) II and III only

(C) II and IV only

(D) III and IV only

41. A selective herbicide destroys

(A) flowering weeds

(B) all types of weeds

(C) the chlorophyll in leaves

(D) some plants but has no effect on others

Items 42-43 refer to the following options

(A) Root hairs

(B) Xylem vessels

(C) Phloem vessels

(D) Leaves

Match each of the following items with one of the options above, each of which may be used once, more than once or not at all

42. Absorb mineral salts and nutrients from the soil

43. Transport manufactured foods throughout the plant

Item 44 refers to the following diagram

44. Fish meal in an animal ration is a rich source of

(A) fats

(B) proteins

(C) vitamins

(D) carbohydrate

45. The translocation of carbohydrates takes place in the

(A) xylem

(B) cambium

(C) phloem

(D) cortex

46. All of the following are methods of weed control EXCEPT

(A) mechanical

(B) biological

(C) genetical

(D) chemical

47. Which type of irrigation uses water most efficiently with relatively little wastage?

(A) Sub-surface

(B) Drip

(C) Furrow

(D) Sprinkler

48. The length of the gestation period in rabbits is

(A) 20 days

(B) 31 days

(C) 40 days

(D) 41 days

49. In the process of embryo transfer, an embryo is transferred from a donor to a

(A) calf

(B) heifer

(C) foster mother

(D) surrogate mother

50. In the digestive system of a bird, which part stores food immediately after swallowing?

(A) Crop

(B) Gizzard

(C) Proventriculus

(D) Small intestine

51. The chalaza is a part of

(A) a bean seed

(B) an egg

(C) an incubator

(D) a debeaker

52. Which of the following techniques are used in processing tomatoes?

I. Chilling

II. Drying

III. Canning

(A) I and II only

(B) I and III only

(C) II and III only

(D) I, II and III

53. What section of the ruminant’s stomach is the largest?

(A) Rumen

(B) Omasum

(C) Reticulum

(D) Abomasum

54. In which of the following parts of the rabbit’s digestive system does MOST cellulose digestion take place?

(A) Colon

(B) Caecum

(C) Stomach

(D) Small intestine

55. The queen excluder prevents the queen from

(A) escaping the hive

(B) mating with the drone

(C) interacting with the workers

(D) laying eggs in honey cells

56. Parturition is BEST described as the

(A) act of giving birth

(B) early stage of pregnancy

(C) late stage of pregnancy

(D) duration of the pregnancy period

57. A Saanen goat is reared MAINLY for

(A) milk

(B) milk and meat

(C) hair

(D) skin

58. Artificial insemination has become increasingly popular in the Caribbean in recent years because

(A) it ensures that conception takes place

(B) less trained technicians are now available

(C) it is a less costly way to upgrade local animals

(D) regional governments have been expanding the service

59. When siting an apiary it should be positioned

(A) downwind of any building

(B) well away from any building

(C) on the leeward side of any building

(D) on the windward side of any building

Item 60 refers to the following representation of a grazing system

60. The management practice illustrated above demonstrates

(A) zero grazing

(B) cyclical grazing

(C) rotational grazing

(D) continuous grazing