Relevance Of Biology To Agriculture - SS1 Biology Past Questions and Answers - page 2

Aphids

 Rust

Biological control

 Ticks

Avian influenza

Coccidiosis

Pesticide use in agriculture can lead to the loss of biodiversity by directly killing non-target organisms and disrupting food chains, as well as indirectly impacting pollinators and other beneficial organisms.

Deforestation for agriculture can result in the loss of habitat for countless species, increased soil erosion, disruption of water cycles, and contribute to climate change through the release of carbon dioxide from tree removal.

Nutrient runoff, primarily from fertilizers used in agriculture, can enter water bodies, and cause excessive growth of algae and aquatic plants. This process, called eutrophication, can lead to oxygen depletion, fish kills, and the degradation of aquatic ecosystems.

Diseases and pests have significant detrimental effects on both crops and livestock. Crop diseases can lead to reduced yields, lower quality produce, and financial losses for farmers. Livestock diseases can cause illness, reduced productivity, and even death, impacting both the welfare of animals and the livelihood of farmers. Pests, such as insects and rodents, can damage crops by feeding on plant tissues, spreading diseases, and reducing overall crop quality and yield. The impact of diseases and pests on crops and livestock can disrupt food production, leading to potential food shortages and increased prices. Disease and pest management strategies include implementing preventative measures, such as crop rotation, maintaining hygiene practices, and using disease-resistant crop varieties. Integrated Pest Management (IPM) techniques involve a combination of biological, chemical, and cultural methods to minimize the impact of pests while minimizing harm to the environment. Vaccination and regular health monitoring are crucial in preventing and controlling diseases in livestock. Early detection and rapid response to diseases and pests are essential to limit their spread and minimize their impact on agricultural systems. Educating farmers about disease and pest identification, prevention, and management strategies is crucial for sustainable agriculture and food security.