JSS1 Agricultural Science Third Term Examination (Mock)
Types of Agriculture based on Levels of Production
<h1><strong>TYPES OF AGRICULTURE BASED ON THE LEVELS OF PRODUCTION</strong></h1> CONTENT<strong> </strong> <ol> <li>Meaning and Characteristics of Subsistence Agriculture</li> <li>Meaning and Characteristics of Commercial Agriculture</li> </ol> <h2><strong>Subsistence Agriculture</strong></h2> <h3><strong>Meaning of Subsistence Agriculture</strong></h3> Subsistence agriculture is defined as the type of agriculture which involves the production of crops and animals by a farmer to feed himself and his family. He produces food for the consumption of the family with little or nothing left for sale. <h3><strong>Characteristics of Subsistence Agriculture</strong></h3> <ol> <li>It requires small capital/finance.</li> <li>Mixed cropping is mostly practiced.</li> <li>There is limited used of agro-chemicals e.g. pesticides and fertilizers.</li> <li>Unimproved varieties of crops and breeds of animals are used.</li> <li>There is little or no surplus for sale.</li> <li>It involves the used of crude/traditional tools such as hoes, machetes/cutlasses.</li> <li>It involves mainly the production of food crops.</li> <li>It is done on small scattered land.</li> <li>It uses family/unskilled labour.</li> <li>Yield/output is low.</li> </ol>
Classification of Animals based on Stomach Types and Feeding Pattern
<h1><strong>CLASSIFICATION OF ANIMALS BASED ON STOMACH TYPES AND FEEDING PATTERN</strong></h1> CONTENT Classification of Farm Animals based on; <ol> <li>Stomach Types: Ruminant and Non-ruminant Animals</li> <li>Feeding Pattern: Herbivores, Carnivores and Omnivores</li> </ol> <br> <h2><strong>Classifications of Farm Animals Based on Types of Stomach</strong></h2> Farm animals can be classified into <strong>two groups,</strong> according to the type of stomachs or digestive system that they possess. The first group is <strong>ruminants</strong> while the other group is <strong>non-ruminants</strong>. <h3><strong>Ruminants (Polygastrics)</strong></h3> These are animals that have complex stomachs and chew the cud e.g. cattle, sheep, goat, etc. They carry out regurgitation i.e. they act of bringing back already swallowed into the mouth for proper chewing. They chew the cud (rumination) which means they bring back their food into their mouth from the rumen through anti-peristaltic movement for proper chewing. This happened when the animal is resting. The complex stomach of a ruminant is made up of <strong>four cavities/</strong>chambers/compartments, namely;