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RIO CLARO EAST SECONDARY SCHOOL
AGRICULTURAL SCIENCE (Single Award)
MOCK CXC EXAMS 2013 FORM 5 GROUPS 2, 3, 4
TEACHERS: Mr. Ramdatt, Mrs. Maharaj, Mrs. Bhika-Shah
PAPER 01 - GENERAL PROFICIENCY TIME: 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
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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. An entomologist is a person who is qualified to work with
(A) insects
(B) soils
(C) plant diseases
(D) medicinal herbs
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. 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) sum of all the species in a habitat
(B) origin of all the species in different habitats
(C) size of the species in different habitats
(D) weight of the species in different habitats
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
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 ppoint
(D) point of profit maximisation
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. 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 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
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 / 2.00
Cauliflower / 17 / 3.50
Lettuce / 27 / 1,25
Tomato / 22 / 2.50
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. Unless soil conservation measures are continually practised, the Caribbean will grow more dependent on foreign countries for food.
The problem referred to here is MOSTLY one of
(A) erosion
(B) finance
(C) flooding
(D) land use
23. Which of the following is composed MAINLY of organic material?
(A) Silt
(B) Clay
(C) Sand
(D) Humus
24. What is the function of bacteria in the carbon cycle?
(A) Combustion of fossil fuels
(B) Assisting with photosynthesis
(C) Release of oxygen into the air
(D) Decomposition of organic matter
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 organisms Food manufactured
Utilise oxygen by 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. 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 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. 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 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. 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 broken
III. / Cabbage / Uproot from the ground
IV. / 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 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 which shows a piece of equipment often used by small farmers
44. Why is there a small opening at point X?
(A) To allow it to act as an overflow outlet
(B) To enable air to be drawn inside the cylinder
(C) To enable the operator to see inside the cylinder
(D) Because the operator failed to screw on the cap
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. Cellulose digestion in sheep starts in the
(A) abomasum
(B) reticulum
(C) omasum
(D) rumen
48. The term ‘Barbados Black Belly” refers to
(A) a disease fatal to cattle
(B) a type of fish found in barbados
(C) the name of a regional breed of sheep
(D) the beetle which destroys sweet potato tubers
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. 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. An animal ‘in heat’ is
(A) ready to be mated
(B) in need of water
(C) suffering from fever
(D) under severe heat stress
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
Item 60 refers to the following information.
A poultry farmer allows fifty healthy hens to run on his farm with one mature rooster. He feeds the birds with a balanced ration and they produce a very large number of eggs. The eggs are incubated at an average temperature of 38 oC, but after 21 days only 20% of the eggs hatch.
60. Which of the following BEST explains why only 20% of the eggs hatched?
(A) All the eggs are not fertilized by the rooster
(B) All eggs do not hatch at the same temperature
(C) The incubator is too large for the number of eggs
(D) The incubation temperature is not appropriate