JAMB Past Questions and Answers - Page 1430

The primary goal of crop improvement in agriculture is to enhance crop yield and quality. Crop improvement involves various techniques, such as plant breeding, genetic engineering, and selection of superior traits, to develop new varieties or cultivars with improved characteristics. These characteristics may include higher yields, improved nutritional content, resistance to pests and diseases, tolerance to environmental stresses, and better adaptation to specific growing conditions.

The primary function of the digestive system is the absorption of nutrients. The digestive system breaks down food into smaller molecules through processes such as mechanical digestion (chewing) and chemical digestion (enzymes breaking down food).

The scale of preference represents the ranking of available choices based on personal preference in agricultural decision-making. When making choices in agriculture, farmers and agricultural stakeholders evaluate different options and rank them according to their preferences and goals.

A seed drill is an example of farm machinery used for planting seeds. It is a device or implement designed to precisely sow seeds at a consistent depth and spacing.

Horticulture is a branch of agriculture that focuses on the cultivation, management, and production of fruits, vegetables, and ornamental plants. It includes practices related to the growing, harvesting, processing, and marketing of horticultural crops. Horticulturists may specialize in areas such as fruit production, vegetable farming, floriculture (ornamental plants and flowers), or nursery operations.