AGM Science June 2019 Past Paper PDF

## AGM SCIENCE 2019 ### Section A: Multiple Choice 1. A farmer who does NOT use pesticides or chemical fertilizers is MOST likely practicing - (C) organic farming 2. Biodiversity refers to the - (D) different habitats in which animals live 3. Which institution has the following objectives?...

## AGM SCIENCE 2019 ### Section A: Multiple Choice 1. A farmer who does NOT use pesticides or chemical fertilizers is MOST likely practicing - (C) organic farming 2. Biodiversity refers to the - (D) different habitats in which animals live 3. Which institution has the following objectives? - I. To facilitate trade between member countries - II. To develop a common trade policy - III. To act as a bargaining body when negotiating with outside forces - (A) Caribbean Community (CARICOM) 4. An agronomist is a person who specializes in the study of the - (D) growth and management of crops 5. Which of the following constraints to agriculture is remedied to a large extent by the farmer? - (C) Land tenure 6. Which of the following is NOT considered a factor of production? - (C) Marketing 7. The growing of crops in a liquid nutrient medium is known as - (A) hydroponics 8. Based on the information in the table, the equilibrium price of tomato is - (B) $1.50 9. Legumes are especially important in organic crop farming because they - (C) promote nitrogen fixation 10. Which of the following is NOT a fixed cost? - (D) Depreciation 11. Which of the following can be done to speed up the breakdown of organic matter in a compost heap? - (A) Gather dead plants and animals faster 12. During Lent, people demand more fish than any other meat. This is represented by a shift from - (A) D₁ to D 13. Which of the following is a feature of a cooperative? - (A) Each member has one vote 14. From which of the graphs above can the equilibrium price of a product be determined? - (C) 15. Which of the following records is designed to give information on the yield of yams? - (A) Production 16. Which of the following groups of requirements is essential for a banker to consider when processing a loan application from a farmer? - (D) Collateral, project proposal, credit history 17. A farmer intends to expand his poultry farm. Which of the following budgets will he prepare? - (B) Complete 18. Total income 19. Total income - total expenses 20. Based on gross returns alone, which is the MOST profitable crop for the farmer to plant? - (D) Cauliflower 21. A soil sample was collected from a school farm and found to be very high in H+ ions. This indicates that this soil MOST likely - (D) is acidic 22. A bag of mixed fertilizer is labelled 7:14:21. What is the ratio of nitrogen to phosphorus in this fertilizer? - (A) 1:2 23. Which of the following is NOT a physical property of soil? - (D) Capillarity 24. Farmer Zara observes the premature falling of buds in her tomato crop. Which of the following fertilizers would MOST likely correct this problem? - (A) Urea 25. Which of the following should be recommended to a farmer cultivating a parcel of land that floods in the rainy season? - (D) I, II and III 26. The atmospheric gas being utilized in the manufacture of food by plants is - (D) carbon dioxide 27. Which of the following will NOT take place if the air temperature rises above 37°C? - (C) Increased drying out of the surface soil 28. The transfer of pollen grains from the anther of one plant to the stigma of another plant of the same or closely related species is known as - (A) self-pollination 29. The process by which plants lose water in the form of vapour to the air is called - (C) transpiration 30. Altering an organism by inserting, deleting or changing specific pieces of its DNA is normally done to improve food production. This process is called - (D) genetic engineering 31. Farmer Derek has a farm on 20 hectares of land. He cultivates vegetables and irrigates his crops with water from a pond in which he rears tilapia and ducks. This practice is called - (A) mixed farming 32. Farmer Dass has an excess of pesticide after spraying his crops. The BEST way for him to take care of the pesticide is to - (D) store it in a labelled container for future use 33. Which of the following are true for mitosis? - (D) I, II and III 34. 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? - (B) 2 tall plants, 1 short plants 35. A selective herbicide is one which - (D) kills some plants but has no effect on others 36. The use of living organisms to control weeds is a practice known as - (C) biological control 37. In the agricultural sector, quarantine usually results in - (D) the prevention and control of the spread of disease-causing organisms from one place to another 38. The correct sequence of steps followed in cleaning and maintaining tools is - (D) wash, dry, sharpen and oil 39. Which of the following are advantages of processing hot peppers? - (D) I, II and III 40. The technique which can be used to remove the water content of a crop is - (A) drying 41. The function of the part labelled II is to - (B) store food 42. Which of the parts labelled I, II, III, IV is the proventriculus? - (D) IV 43. Fish meal in an animal ration is a rich source of - (B) protein 44. How much space per bird is required for rearing broilers in the deep litter system? - (B) 1.0 m² 45. Which two parts of the egg are rich in protein? - (C) II and III only 46. Legumes are planted in a pasture MAINLY to - (D) increase the protein content of a diet 47. A rabbit farmer adds double the recommended dosage of antibiotics to the drinking water of his rabbits. He is advised that this practice is wrong MAINLY because it may - (C) endanger the health of consumers 48. Which of the following occurs during the oestrus cycle? - (B) Ovulation 49. Which of the following demonstrate a good rotational grazing system? - (D) I, II and III 50. Which of the following would give a farmer precise information on the effectiveness of feed given to broilers? - (D) Health of the birds 51. Broilers are slaughtered at six weeks old. The most suitable ration for a five-week-old broiler is - (C) grower 52. During the actual process of artificial insemination, which of the following is NOT used? - (B) Glove 53. Concrete floors in pig pens are gently sloping to - (D) encourage animals to move around 54. Two diseases affecting rabbits are - (D) coccidiosis and Newcastle disease 55. Debeaking is done in layers mainly to - (D) I, II and III 56. Broiler birds with signs of blisters on the face, legs and other body parts are MOST likely infected with - (D) gumbaro disease 57. Bees are of economic importance to a citrus farmer because they - (C) increase fruit production 58. The function of the drone in a hive is to - (B) mate with the queen 59. At which stage of growth is it MOST appropriate to feed layers with laying ration? - (D) Five months and over 60. A livestock farmer uses the formula *Total kg of feed eaten / Total kg of live weight gain x 100* to calculate - (B) FCR