RIO CLARO EAST SECONDARY SCHOOL

AGRICULTURAL SCIENCE (Single Award)

MOCK CXC EXAMS 2014 FORM 5 GROUPS 2, 3, 4

TEACHERS: Mr. Ramdatt & Mrs. Maharaj

PAPER 01 - GENERAL PROFICIENCY TIME: 1 hr 15 mins

ANSWER SCHEME

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.

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

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1. A farmer who does NOT use pesticides or chemical fertilisers is MOST likely practising

(A) crop farming(B) mixed farming(C) organic farming(D) continuous farming

2. An agronomist is a person who specialises in the study of

(A) management of animals(B) control and use of insects(C) growth of ornamental plants(D) growth and management of crops

3. Total income minus total expenditure determines the

(A) net profit(B) net income(C) gross income(D) fixed costs

4. A central agency buys from farmers and sells to consumers. The agency also sets certain prices for agricultural produce. Functions such as these relate MAINLY to

(A) distribution(B) marketing(C) consumption(D) production

5. The BEST term to describe the stealing of agricultural produce is

(A) theft(B) pilferage(C) embezzlement(D) praedial larceny

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. Biodiversity refers to the

(A) impact of humans on a given habitat(B) differences in the individuals within

each species(C) different species of organisms and

the variety of habitats in which they live(D) different habitats in which animals

live

9. The professional concerned MAINLY with plant diseases is the

(A) veterinarian(B) entomologist(C) microbiologist(D) pathologist

10. Which of the following is NOT a marketing service?

(A) Storage(B) Reaping(C) Grading(D) Packaging

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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 point at which a demand curve intersects a supply curve indicates the

(A) selling price(B) breakeven point(C) equilibrium point(D) point of profit maximisation

Item 13 refers to the following graph

13. Which stage would be MOST economical for the farmer to produce tomato?

(A) I only(B) II only(C) III only(D) I and II only

14. The cost of using money borrowed from an agricultural bank is known as

(A) loan(B) interest(C) finance(D) capital

15. Which of the following is LEAST important when a farmer is applying for a loan?

(A) A resumé(B) A budget(C) Collateral(D) Credit history

16. Subsidies are granted

(A) as welfare to farmers(B) to encourage production(C) to prevent praedial larceny(D) to offset input price increases

17. Which of the following is NOT a fixed cost?

(A) Depreciation of farm machinery(B) Repairs to buildings(C) Insurance(D) Taxes

Item 18 refers to the following information.

The yield and average price per kilogram of four crops are given in the table below

Crop Yield (thousand kg)

Price (dollar per kg)

Cabbage 27 2.00Cauliflower 17 3.50Lettuce 27 1.25Tomato 22 2.50

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18. Based on gross returns alone, which is the MOST profitable crop for the farmer to plant?

(A) Cabbage(B) Cauliflower(C) Lettuce(D) Tomato

19. The weight of a porker pig is 70kg, the dressing percentage is 60% and the market price of the meat is $4.00 per kg. The farmer’s income from the sale of pork from this pig is

(A) $112.00(B) $168.00(C) $240.00(D) $280.00

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. Farm records enable a farmer to

(A) market his goods(B) calculate opportunity cost(C) solve disease problems(D) plan and budget for his enterprise

23. 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 material

24. Which of the following are found in the root nodules of leguminous plants

(A) Fungi(B) Viruses(C) Bacteria(D) Actinomycetes

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

(A) Permeability (B) Soil pH(C) Organic matter content(D) MacronutrientsItem 26 refers to the following cycle

Oxygen and carbon dioxide in the atmosphere

All living organisms Food manufacturedUtilise oxygen by plants

Oxygen released Into the atmosphere

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

(A) oxygen(B) nitrogen(C) hydrogen(D) carbon dioxide

27. To reduce the impact of water flowing down a hillside, a farmer should

(A) plant down the hill(B) practise crop rotation(C) use heavy machinery(D) practise contour farming

28. The requirements for the manufacture of food in plants are

(A) Oxygen, water, sunlight, soil(B) Oxygen, water, sunlight, chlorophyll(C) Carbon dioxide, water, sunlight, soil(D) Carbon dioxide, water, sunlight,

chlorophyll

29. Which of the following practises will NOT assist in maintaining soil fertility

(A) Staking(B) Mulching(C) Crop rotation(D) Good drainage

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. Which of the following plants CANNOT be propagated by either grafting or budding?

(A) Mango(B) Banana(C) Grapefruit(D) Avocado pear

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 course35. 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

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(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. Which of the following are true for mitosis?

I. Species chromosome number is the sameII. Characteristics of the species are the

sameIII. New plants have a different growth habit

from parent plants

(A) I and II only(B) I and II only(C) II and III only(D) I, II and III

38. If tallness (T) is dominant to shortness (t), what will be the possible genotype of the offspring of a TT x tt cross?

(A) All TT(B) All Tt(C) Half TT and half tt(D) Half tt and half Tt

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. Which of the following instructions for harvesting are appropriate?I. Tomatoes Pick when fruits are dark-

green in colourII. Beans Pick when pod will snap

clean when brokenIII. Cabbage Uproot from the groundIV. Sweet potato Dig when leaves begin to

dry, avoid bruising and do not break roots

(A) I and II only(B) I and III only(C) II and III only(D) II and IV only

41. A cultural method of controlling weeds is the use of

(A) mulch(B) karmex(C) parasites(D) tillage

Items 42-43 refer to the following diagram showing part of the digestive tract of poultry

42. Which of the parts labelled I, II, III and IV is the proventriculus?(A) I(B) II(C) III(D) IV

43. The function of the part labelled II is to(A) grind food(B) store food

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(C) secrete gastric juices(D) facilitate regurgitation

Items 44 - 45 refer to the following diagram of a hen’s egg

44. The part labelled I is the

(A) yolk(B) albumen(C) chalaza(D) air space

45. The function of the part labelled II is to

(A) Provide oxygen(B) Rotate the yolk(C) Facilitate cell division of the ovum(D) Provide food for the developing

embryo

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

(A) mechanical(B) biological(C) genetical(D) chemical

47. Cellulose digestion in sheep starts in the

(A) abomasum

(B) reticulum(C) omasum(D) rumen

48. Two diseases affecting rabbits are

(A) mastitis and pullorum(B) coccidiosis and snuffles(C) bronchitis and brucellosis(D) coccidiosis and Newcastle disease

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 queen excluder prevents the queen from

(A) escaping the hive(B) mating with the drone(C) interacting with workers(D) laying eggs in honey cells

52. Plant tissue culture ensures that

I. Certified virus free plants are produced

II. New varieties can be selected quickly

III. Seasonal changes do not affect plantlet production

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(A) I and II only(B) I and III only(C) II and III only(D) I, II and III

53. Which of the following occurs during the oestrus cycle?

(A) Fertilization(B) Ovulation(C) Parturition(D) Gestation

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. Which type of equipment is used to lift out frames from the ‘super’ in a hive?

(A) Smoker(B) Hive tool(C) Bee net(D) Decapping knife

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 farmer who is mating his Flemish Giant females to New Zealand White males is rearing

(A) goats(B) rabbits

(C) sheep(D) cattle

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

60. Farmer Derek has a farm on 20 hectares of land. He cultivates vegetables, irrigates his crops with water from a pond in which he rears tilapia and grows ducks in a pen that extends over the pond. This type of farming is BEST described as(A) mixed farming(B) mixed cropping(C) plantation system(D) monoculture system

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