BGCSE Horticulture 1257 study guide
BGCSE Horticulture 1257 · Work through your exam, one topic at a time.
BGCSE Horticulture (1257) is a Bahamas General Certificate of Secondary Education subject examination for senior secondary students who have studied horticulture as an applied science and practical skill. It suits candidates aiming at careers in landscaping, nursery work, crop production, grounds maintenance, or further study in agriculture and environmental science. The BGCSE Horticulture 1257 study guide has 10 sections and about 2,610 words.
01Plant Science and Plant Propagation
You must understand plant structure and function: roots absorb water and minerals and anchor the plant; stems transport and support; leaves are the main site of photosynthesis; flowers are reproductive organs. Know the difference between monocotyledons (one seed leaf, parallel veins, fibrous roots) and dicotyledons (two seed leaves, net veins, taproot).
298 words, about 1 min02Soils
Soil is a mixture of mineral particles, organic matter, air, water and living organisms. Know the three mineral fractions by size: sand (largest, drains fast, low water and nutrient holding), silt (intermediate) and clay (smallest, high water and nutrient holding, poor drainage, sticky when wet).
271 words, about 1 min03Soils, Soil Management and Plant Nutrition
Know the essential macronutrients (nitrogen, phosphorus, potassium, calcium, magnesium, sulfur) and micronutrients (iron, manganese, zinc, copper, boron, molybdenum, chlorine). Nitrogen promotes leafy growth, phosphorus supports roots and flowering, potassium supports fruiting, ripening and general vigour.
257 words, about 1 min04Plant Protection: Pests, Diseases and Weeds
Learn to distinguish pests (insects, mites, molluscs, nematodes), diseases (fungi, bacteria, viruses) and weeds. Know signs versus symptoms: signs are visible pest or pathogen structures such as webbing or mould; symptoms are plant responses such as yellowing, wilting or lesions.
255 words, about 1 min05Ornamental Horticulture and Landscape Practice
Understand plant selection for site conditions: light, soil, moisture, exposure and space. Know landscape design principles including unity, balance, proportion, scale, rhythm and focal points.
243 words, about 1 min06Vegetable and Fruit Crop Production
Understand crop planning: rotation groups, sowing and planting dates, spacing, thinning, and successional sowing for continuous harvest. Know the difference between direct sowing and raising transplants.
218 words, about 1 min07Horticultural Tools, Equipment and Structures
Know the purpose and safe use of common tools: spade, fork, hoe, rake, trowel, secateurs, loppers, pruning saw, wheelbarrow, hose and watering can. Understand the difference between digging tools (spade, fork) and cultivating tools (hoe, rake).
224 words, about 1 min08Protected Culture and Nursery Practice
Understand protected culture: greenhouses, polytunnels, cold frames, cloches and shade netting. Learn how these modify temperature, light, humidity and wind, and how to manage ventilation, heating, shading and irrigation.
218 words, about 1 min09Post-Harvest Handling, Marketing and Enterprise Skills
Understand why produce deteriorates: respiration, transpiration, ethylene, bruising and microbial decay. Learn handling practices: harvest at the right maturity, cool quickly, avoid damage, grade and pack, and store under suitable temperature and humidity.
227 words, about 1 min10Horticulture and the Environment: Sustainability and Safety
Understand sustainability in horticulture: conserving water, soil and energy; reducing waste; composting; using renewable materials; and protecting biodiversity. Learn water-saving methods such as mulching, drip irrigation and rainwater harvesting.
399 words, about 2 min