Agricultural Science Questions and Answers

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).

Farm animals are commonly classified based on their feeding preferences. This classification categorizes animals into different groups based on their dietary habits and the type of feed they consume.

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.

Pulp is a processed material derived from wood, whereas timber and fuelwood are directly harvested from forests, and mushrooms are fungi found in forest ecosystems.

Mixed farming is the farming system generally recommended for farm settlement schemes. Mixed farming involves the cultivation of different crops and the rearing of various livestock on the same farm. It is a diversified farming approach where farmers grow crops and raise animals simultaneously.

Encouraging afforestation in arid regions of West Africa is primarily done to serve as a windbreak and check desert encroachment mitigating the impact of desertification and protecting fertile lands from wind erosion.

Post-planting operations in a cocoa plantation include rogueing, stumping, and mulching. Rogueing involves removing plants that are diseased or not growing properly. Stumping is the process of cutting back the tree to a short stump to encourage new growth. Mulching involves covering the soil around the plants with organic material to conserve moisture, suppress weeds, and improve soil fertility.

I, II and III will decrease in efficiency due to constant use.